Merge remote-tracking branch 'upstream/master' into 27762-add-default-artifacts-expiration

* upstream/master: (247 commits)
  Switched CONTRIBUTING.md style guide recommendation for method chaining
  Fix new offenses
  Stylistic tweaks
  Fix OAuth/SAML user blocking behavior
  Revert "Enable Style/DotPosition"
  Revert "Prefer leading style for Style/DotPosition"
  Revert "Enable Style/BarePercentLiterals"
  Manually correct autocorrect
  Move up delegate calls
  Exclude migrations from Style/MutableConstant
  ActiveSupport delegation is preferred over Forwardable
  Update haml_lint to work with newest rubocop
  Add explanations to cops
  Update rubocop and rubocop-rspec and regenerate .rubocop_todo.yml
  Update rubocop and rubocop-rspec and regenerate .rubocop_todo.yml
  Order cops alphabetically
  Don’t exclude some file in lib from rubocop
  Fix new offenses
  Enable Rails/Delegate
  Enable Style/WordArray
  ...

192 files changed, 3789 insertions, 1076 deletions

diff --git a/spec/config/mail_room_spec.rb b/spec/config/mail_room_spec.rb
index 294fae95752..0b8ff006d22 100644
--- a/spec/config/mail_room_spec.rb
+++ b/spec/config/mail_room_spec.rb
@@ -8,7 +8,7 @@ describe 'mail_room.yml' do
 
   context 'when incoming email is disabled' do
     before do
-      ENV['MAIL_ROOM_GITLAB_CONFIG_FILE'] = Rails.root.join('spec/fixtures/mail_room_disabled.yml').to_s
+      ENV['MAIL_ROOM_GITLAB_CONFIG_FILE'] = Rails.root.join('spec/fixtures/config/mail_room_disabled.yml').to_s
       Gitlab::MailRoom.reset_config!
     end
 
@@ -26,7 +26,7 @@ describe 'mail_room.yml' do
     let(:gitlab_redis) { Gitlab::Redis.new(Rails.env) }
 
     before do
-      ENV['MAIL_ROOM_GITLAB_CONFIG_FILE'] = Rails.root.join('spec/fixtures/mail_room_enabled.yml').to_s
+      ENV['MAIL_ROOM_GITLAB_CONFIG_FILE'] = Rails.root.join('spec/fixtures/config/mail_room_enabled.yml').to_s
       Gitlab::MailRoom.reset_config!
     end
 
diff --git a/spec/controllers/dashboard/todos_controller_spec.rb b/spec/controllers/dashboard/todos_controller_spec.rb
index 0a3ac9f9512..7072bd5e87c 100644
--- a/spec/controllers/dashboard/todos_controller_spec.rb
+++ b/spec/controllers/dashboard/todos_controller_spec.rb
@@ -46,7 +46,7 @@ describe Dashboard::TodosController do
 
       expect(todo.reload).to be_pending
       expect(response).to have_http_status(200)
-      expect(json_response).to eq({ "count" => 1, "done_count" => 0 })
+      expect(json_response).to eq({ "count" => "1", "done_count" => "0" })
     end
   end
 end
diff --git a/spec/controllers/profiles/personal_access_tokens_spec.rb b/spec/controllers/profiles/personal_access_tokens_spec.rb
index 45534a3a587..9d5f4c99f6d 100644
--- a/spec/controllers/profiles/personal_access_tokens_spec.rb
+++ b/spec/controllers/profiles/personal_access_tokens_spec.rb
@@ -32,10 +32,10 @@ describe Profiles::PersonalAccessTokensController do
 
     context "scopes" do
       it "allows creation of a token with scopes" do
-        post :create, personal_access_token: { name: FFaker::Product.brand, scopes: ['api', 'read_user'] }
+        post :create, personal_access_token: { name: FFaker::Product.brand, scopes: %w(api read_user) }
 
         expect(created_token).not_to be_nil
-        expect(created_token.scopes).to eq(['api', 'read_user'])
+        expect(created_token.scopes).to eq(%w(api read_user))
       end
 
       it "allows creation of a token with no scopes" do
diff --git a/spec/controllers/projects/branches_controller_spec.rb b/spec/controllers/projects/branches_controller_spec.rb
index 9de03876755..effd8bcd982 100644
--- a/spec/controllers/projects/branches_controller_spec.rb
+++ b/spec/controllers/projects/branches_controller_spec.rb
@@ -68,7 +68,7 @@ describe Projects::BranchesController do
 
     describe "created from the new branch button on issues" do
       let(:branch) { "1-feature-branch" }
-      let!(:issue) { create(:issue, project: project) }
+      let(:issue) { create(:issue, project: project) }
 
       before do
         sign_in(user)
@@ -95,6 +95,43 @@ describe Projects::BranchesController do
           issue_iid: issue.iid
       end
 
+      context 'repository-less project' do
+        let(:project) { create :empty_project }
+
+        it 'redirects to newly created branch' do
+          result = { status: :success, branch: double(name: branch) }
+
+          expect_any_instance_of(CreateBranchService).to receive(:execute).and_return(result)
+          expect(SystemNoteService).to receive(:new_issue_branch).and_return(true)
+
+          post :create,
+            namespace_id: project.namespace.to_param,
+            project_id: project.to_param,
+            branch_name: branch,
+            issue_iid: issue.iid
+
+          expect(response).to redirect_to namespace_project_tree_path(project.namespace, project, branch)
+        end
+
+        it 'redirects to autodeploy setup page' do
+          result = { status: :success, branch: double(name: branch) }
+
+          project.services << build(:kubernetes_service)
+
+          expect_any_instance_of(CreateBranchService).to receive(:execute).and_return(result)
+          expect(SystemNoteService).to receive(:new_issue_branch).and_return(true)
+
+          post :create,
+            namespace_id: project.namespace.to_param,
+            project_id: project.to_param,
+            branch_name: branch,
+            issue_iid: issue.iid
+
+          expect(response.location).to include(namespace_project_new_blob_path(project.namespace, project, branch))
+          expect(response).to have_http_status(302)
+        end
+      end
+
       context 'without issue feature access' do
         before do
           project.update!(visibility_level: Gitlab::VisibilityLevel::PUBLIC)
diff --git a/spec/controllers/projects/issues_controller_spec.rb b/spec/controllers/projects/issues_controller_spec.rb
index e576bf9ef79..7871b6a9e10 100644
--- a/spec/controllers/projects/issues_controller_spec.rb
+++ b/spec/controllers/projects/issues_controller_spec.rb
@@ -152,6 +152,113 @@ describe Projects::IssuesController do
         end
       end
 
+      context 'Akismet is enabled' do
+        let(:project) { create(:project_empty_repo, :public) }
+
+        before do
+          stub_application_setting(recaptcha_enabled: true)
+          allow_any_instance_of(SpamService).to receive(:check_for_spam?).and_return(true)
+        end
+
+        context 'when an issue is not identified as spam' do
+          before do
+            allow_any_instance_of(described_class).to receive(:verify_recaptcha).and_return(false)
+            allow_any_instance_of(AkismetService).to receive(:is_spam?).and_return(false)
+          end
+
+          it 'normally updates the issue' do
+            expect { update_issue(title: 'Foo') }.to change { issue.reload.title }.to('Foo')
+          end
+        end
+
+        context 'when an issue is identified as spam' do
+          before { allow_any_instance_of(AkismetService).to receive(:is_spam?).and_return(true) }
+
+          context 'when captcha is not verified' do
+            def update_spam_issue
+              update_issue(title: 'Spam Title', description: 'Spam lives here')
+            end
+
+            before { allow_any_instance_of(described_class).to receive(:verify_recaptcha).and_return(false) }
+
+            it 'rejects an issue recognized as a spam' do
+              expect { update_spam_issue }.not_to change{ issue.reload.title }
+            end
+
+            it 'rejects an issue recognized as a spam when recaptcha disabled' do
+              stub_application_setting(recaptcha_enabled: false)
+
+              expect { update_spam_issue }.not_to change{ issue.reload.title }
+            end
+
+            it 'creates a spam log' do
+              update_spam_issue
+
+              spam_logs = SpamLog.all
+
+              expect(spam_logs.count).to eq(1)
+              expect(spam_logs.first.title).to eq('Spam Title')
+              expect(spam_logs.first.recaptcha_verified).to be_falsey
+            end
+
+            it 'renders verify template' do
+              update_spam_issue
+
+              expect(response).to render_template(:verify)
+            end
+          end
+
+          context 'when captcha is verified' do
+            let(:spammy_title) { 'Whatever' }
+            let!(:spam_logs) { create_list(:spam_log, 2, user: user, title: spammy_title) }
+
+            def update_verified_issue
+              update_issue({ title: spammy_title },
+                           { spam_log_id: spam_logs.last.id,
+                             recaptcha_verification: true })
+            end
+
+            before do
+              allow_any_instance_of(described_class).to receive(:verify_recaptcha)
+                .and_return(true)
+            end
+
+            it 'redirect to issue page' do
+              update_verified_issue
+
+              expect(response).
+                to redirect_to(namespace_project_issue_path(project.namespace, project, issue))
+            end
+
+            it 'accepts an issue after recaptcha is verified' do
+              expect{ update_verified_issue }.to change{ issue.reload.title }.to(spammy_title)
+            end
+
+            it 'marks spam log as recaptcha_verified' do
+              expect { update_verified_issue }.to change { SpamLog.last.recaptcha_verified }.from(false).to(true)
+            end
+
+            it 'does not mark spam log as recaptcha_verified when it does not belong to current_user' do
+              spam_log = create(:spam_log)
+
+              expect { update_issue(spam_log_id: spam_log.id, recaptcha_verification: true) }.
+                not_to change { SpamLog.last.recaptcha_verified }
+            end
+          end
+        end
+      end
+
+      def update_issue(issue_params = {}, additional_params = {})
+        params = {
+          namespace_id: project.namespace.to_param,
+          project_id: project.to_param,
+          id: issue.iid,
+          issue: issue_params
+        }.merge(additional_params)
+
+        put :update, params
+      end
+
       def move_issue
         put :update,
           namespace_id: project.namespace.to_param,
@@ -384,7 +491,7 @@ describe Projects::IssuesController do
         allow_any_instance_of(SpamService).to receive(:check_for_spam?).and_return(true)
       end
 
-      context 'when an issue is not identified as a spam' do
+      context 'when an issue is not identified as spam' do
         before do
           allow_any_instance_of(described_class).to receive(:verify_recaptcha).and_return(false)
           allow_any_instance_of(AkismetService).to receive(:is_spam?).and_return(false)
@@ -395,7 +502,7 @@ describe Projects::IssuesController do
         end
       end
 
-      context 'when an issue is identified as a spam' do
+      context 'when an issue is identified as spam' do
         before { allow_any_instance_of(AkismetService).to receive(:is_spam?).and_return(true) }
 
         context 'when captcha is not verified' do
diff --git a/spec/controllers/projects/merge_requests_controller_spec.rb b/spec/controllers/projects/merge_requests_controller_spec.rb
index f84f922ba5e..af13649eec5 100644
--- a/spec/controllers/projects/merge_requests_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests_controller_spec.rb
@@ -54,7 +54,8 @@ describe Projects::MergeRequestsController do
           project_id: fork_project.to_param,
           merge_request: {
             source_branch: 'remove-submodule',
-            target_branch: 'master' },
+            target_branch: 'master'
+          },
           format: format
     end
   end
@@ -772,7 +773,7 @@ describe Projects::MergeRequestsController do
 
             section['lines'].each do |line|
               if section['conflict']
-                expect(line['type']).to be_in(['old', 'new'])
+                expect(line['type']).to be_in(%w(old new))
                 expect(line.values_at('old_line', 'new_line')).to contain_exactly(nil, a_kind_of(Integer))
               else
                 if line['type'].nil?
diff --git a/spec/controllers/projects/pipelines_controller_spec.rb b/spec/controllers/projects/pipelines_controller_spec.rb
index 1ed2ee3ab4a..9a1e79c281a 100644
--- a/spec/controllers/projects/pipelines_controller_spec.rb
+++ b/spec/controllers/projects/pipelines_controller_spec.rb
@@ -12,7 +12,10 @@ describe Projects::PipelinesController do
 
   describe 'GET index.json' do
     before do
-      create_list(:ci_empty_pipeline, 2, project: project)
+      create(:ci_empty_pipeline, status: 'pending', project: project)
+      create(:ci_empty_pipeline, status: 'running', project: project)
+      create(:ci_empty_pipeline, status: 'created', project: project)
+      create(:ci_empty_pipeline, status: 'success', project: project)
 
       get :index, namespace_id: project.namespace.path,
                   project_id: project.path,
@@ -23,9 +26,11 @@ describe Projects::PipelinesController do
       expect(response).to have_http_status(:ok)
 
       expect(json_response).to include('pipelines')
-      expect(json_response['pipelines'].count).to eq 2
-      expect(json_response['count']['all']).to eq 2
-      expect(json_response['count']['running_or_pending']).to eq 2
+      expect(json_response['pipelines'].count).to eq 4
+      expect(json_response['count']['all']).to eq 4
+      expect(json_response['count']['running']).to eq 1
+      expect(json_response['count']['pending']).to eq 1
+      expect(json_response['count']['finished']).to eq 1
     end
   end
 
diff --git a/spec/controllers/projects/snippets_controller_spec.rb b/spec/controllers/projects/snippets_controller_spec.rb
index 77ee10a1e15..8bab094a79e 100644
--- a/spec/controllers/projects/snippets_controller_spec.rb
+++ b/spec/controllers/projects/snippets_controller_spec.rb
@@ -70,7 +70,7 @@ describe Projects::SnippetsController do
   end
 
   describe 'POST #create' do
-    def create_snippet(project, snippet_params = {})
+    def create_snippet(project, snippet_params = {}, additional_params = {})
       sign_in(user)
 
       project.add_developer(user)
@@ -79,7 +79,7 @@ describe Projects::SnippetsController do
         namespace_id: project.namespace.to_param,
         project_id: project.to_param,
         project_snippet: { title: 'Title', content: 'Content' }.merge(snippet_params)
-      }
+      }.merge(additional_params)
     end
 
     context 'when the snippet is spam' do
@@ -87,35 +87,179 @@ describe Projects::SnippetsController do
         allow_any_instance_of(AkismetService).to receive(:is_spam?).and_return(true)
       end
 
-      context 'when the project is private' do
-        let(:private_project) { create(:project_empty_repo, :private) }
+      context 'when the snippet is private' do
+        it 'creates the snippet' do
+          expect { create_snippet(project, visibility_level: Snippet::PRIVATE) }.
+            to change { Snippet.count }.by(1)
+        end
+      end
+
+      context 'when the snippet is public' do
+        it 'rejects the shippet' do
+          expect { create_snippet(project, visibility_level: Snippet::PUBLIC) }.
+            not_to change { Snippet.count }
+          expect(response).to render_template(:new)
+        end
+
+        it 'creates a spam log' do
+          expect { create_snippet(project, visibility_level: Snippet::PUBLIC) }.
+            to change { SpamLog.count }.by(1)
+        end
+
+        it 'renders :new with recaptcha disabled' do
+          stub_application_setting(recaptcha_enabled: false)
+
+          create_snippet(project, visibility_level: Snippet::PUBLIC)
+
+          expect(response).to render_template(:new)
+        end
 
-        context 'when the snippet is public' do
-          it 'creates the snippet' do
-            expect { create_snippet(private_project, visibility_level: Snippet::PUBLIC) }.
-              to change { Snippet.count }.by(1)
+        context 'recaptcha enabled' do
+          before do
+            stub_application_setting(recaptcha_enabled: true)
           end
+
+          it 'renders :verify with recaptcha enabled' do
+            create_snippet(project, visibility_level: Snippet::PUBLIC)
+
+            expect(response).to render_template(:verify)
+          end
+
+          it 'renders snippet page when recaptcha verified' do
+            spammy_title = 'Whatever'
+
+            spam_logs = create_list(:spam_log, 2, user: user, title: spammy_title)
+            create_snippet(project,
+                           { visibility_level: Snippet::PUBLIC },
+                           { spam_log_id: spam_logs.last.id,
+                             recaptcha_verification: true })
+
+            expect(response).to redirect_to(Snippet.last)
+          end
+        end
+      end
+    end
+  end
+
+  describe 'PUT #update' do
+    let(:project) { create :project, :public }
+    let(:snippet) { create :project_snippet, author: user, project: project, visibility_level: visibility_level }
+
+    def update_snippet(snippet_params = {}, additional_params = {})
+      sign_in(user)
+
+      project.add_developer(user)
+
+      put :update, {
+        namespace_id: project.namespace.to_param,
+        project_id: project.to_param,
+        id: snippet.id,
+        project_snippet: { title: 'Title', content: 'Content' }.merge(snippet_params)
+      }.merge(additional_params)
+
+      snippet.reload
+    end
+
+    context 'when the snippet is spam' do
+      before do
+        allow_any_instance_of(AkismetService).to receive(:is_spam?).and_return(true)
+      end
+
+      context 'when the snippet is private' do
+        let(:visibility_level) { Snippet::PRIVATE }
+
+        it 'updates the snippet' do
+          expect { update_snippet(title: 'Foo') }.
+            to change { snippet.reload.title }.to('Foo')
         end
       end
 
-      context 'when the project is public' do
-        context 'when the snippet is private' do
-          it 'creates the snippet' do
-            expect { create_snippet(project, visibility_level: Snippet::PRIVATE) }.
-              to change { Snippet.count }.by(1)
+      context 'when the snippet is public' do
+        let(:visibility_level) { Snippet::PUBLIC }
+
+        it 'rejects the shippet' do
+          expect { update_snippet(title: 'Foo') }.
+            not_to change { snippet.reload.title }
+        end
+
+        it 'creates a spam log' do
+          expect { update_snippet(title: 'Foo') }.
+            to change { SpamLog.count }.by(1)
+        end
+
+        it 'renders :edit with recaptcha disabled' do
+          stub_application_setting(recaptcha_enabled: false)
+
+          update_snippet(title: 'Foo')
+
+          expect(response).to render_template(:edit)
+        end
+
+        context 'recaptcha enabled' do
+          before do
+            stub_application_setting(recaptcha_enabled: true)
+          end
+
+          it 'renders :verify with recaptcha enabled' do
+            update_snippet(title: 'Foo')
+
+            expect(response).to render_template(:verify)
+          end
+
+          it 'renders snippet page when recaptcha verified' do
+            spammy_title = 'Whatever'
+
+            spam_logs = create_list(:spam_log, 2, user: user, title: spammy_title)
+            snippet = update_snippet({ title: spammy_title },
+                                     { spam_log_id: spam_logs.last.id,
+                                       recaptcha_verification: true })
+
+            expect(response).to redirect_to(snippet)
           end
         end
+      end
+
+      context 'when the private snippet is made public' do
+        let(:visibility_level) { Snippet::PRIVATE }
+
+        it 'rejects the shippet' do
+          expect { update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC) }.
+            not_to change { snippet.reload.title }
+        end
+
+        it 'creates a spam log' do
+          expect { update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC) }.
+            to change { SpamLog.count }.by(1)
+        end
+
+        it 'renders :edit with recaptcha disabled' do
+          stub_application_setting(recaptcha_enabled: false)
 
-        context 'when the snippet is public' do
-          it 'rejects the shippet' do
-            expect { create_snippet(project, visibility_level: Snippet::PUBLIC) }.
-              not_to change { Snippet.count }
-            expect(response).to render_template(:new)
+          update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC)
+
+          expect(response).to render_template(:edit)
+        end
+
+        context 'recaptcha enabled' do
+          before do
+            stub_application_setting(recaptcha_enabled: true)
+          end
+
+          it 'renders :verify with recaptcha enabled' do
+            update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC)
+
+            expect(response).to render_template(:verify)
           end
 
-          it 'creates a spam log' do
-            expect { create_snippet(project, visibility_level: Snippet::PUBLIC) }.
-              to change { SpamLog.count }.by(1)
+          it 'renders snippet page when recaptcha verified' do
+            spammy_title = 'Whatever'
+
+            spam_logs = create_list(:spam_log, 2, user: user, title: spammy_title)
+            snippet = update_snippet({ title: spammy_title, visibility_level: Snippet::PUBLIC },
+                                     { spam_log_id: spam_logs.last.id,
+                                       recaptcha_verification: true })
+
+            expect(response).to redirect_to(snippet)
           end
         end
       end
diff --git a/spec/controllers/snippets_controller_spec.rb b/spec/controllers/snippets_controller_spec.rb
index f90c0d76ceb..5de3b9890ef 100644
--- a/spec/controllers/snippets_controller_spec.rb
+++ b/spec/controllers/snippets_controller_spec.rb
@@ -139,12 +139,14 @@ describe SnippetsController do
   end
 
   describe 'POST #create' do
-    def create_snippet(snippet_params = {})
+    def create_snippet(snippet_params = {}, additional_params = {})
       sign_in(user)
 
       post :create, {
         personal_snippet: { title: 'Title', content: 'Content' }.merge(snippet_params)
-      }
+      }.merge(additional_params)
+
+      Snippet.last
     end
 
     context 'when the snippet is spam' do
@@ -163,13 +165,164 @@ describe SnippetsController do
         it 'rejects the shippet' do
           expect { create_snippet(visibility_level: Snippet::PUBLIC) }.
             not_to change { Snippet.count }
-          expect(response).to render_template(:new)
         end
 
         it 'creates a spam log' do
           expect { create_snippet(visibility_level: Snippet::PUBLIC) }.
             to change { SpamLog.count }.by(1)
         end
+
+        it 'renders :new with recaptcha disabled' do
+          stub_application_setting(recaptcha_enabled: false)
+
+          create_snippet(visibility_level: Snippet::PUBLIC)
+
+          expect(response).to render_template(:new)
+        end
+
+        context 'recaptcha enabled' do
+          before do
+            stub_application_setting(recaptcha_enabled: true)
+          end
+
+          it 'renders :verify with recaptcha enabled' do
+            create_snippet(visibility_level: Snippet::PUBLIC)
+
+            expect(response).to render_template(:verify)
+          end
+
+          it 'renders snippet page when recaptcha verified' do
+            spammy_title = 'Whatever'
+
+            spam_logs = create_list(:spam_log, 2, user: user, title: spammy_title)
+            snippet = create_snippet({ title: spammy_title },
+                                     { spam_log_id: spam_logs.last.id,
+                                       recaptcha_verification: true })
+
+            expect(response).to redirect_to(snippet_path(snippet))
+          end
+        end
+      end
+    end
+  end
+
+  describe 'PUT #update' do
+    let(:project) { create :project }
+    let(:snippet) { create :personal_snippet, author: user, project: project, visibility_level: visibility_level }
+
+    def update_snippet(snippet_params = {}, additional_params = {})
+      sign_in(user)
+
+      put :update, {
+        id: snippet.id,
+        personal_snippet: { title: 'Title', content: 'Content' }.merge(snippet_params)
+      }.merge(additional_params)
+
+      snippet.reload
+    end
+
+    context 'when the snippet is spam' do
+      before do
+        allow_any_instance_of(AkismetService).to receive(:is_spam?).and_return(true)
+      end
+
+      context 'when the snippet is private' do
+        let(:visibility_level) { Snippet::PRIVATE }
+
+        it 'updates the snippet' do
+          expect { update_snippet(title: 'Foo') }.
+            to change { snippet.reload.title }.to('Foo')
+        end
+      end
+
+      context 'when a private snippet is made public' do
+        let(:visibility_level) { Snippet::PRIVATE }
+
+        it 'rejects the snippet' do
+          expect { update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC) }.
+            not_to change { snippet.reload.title }
+        end
+
+        it 'creates a spam log' do
+          expect { update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC) }.
+            to change { SpamLog.count }.by(1)
+        end
+
+        it 'renders :edit with recaptcha disabled' do
+          stub_application_setting(recaptcha_enabled: false)
+
+          update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC)
+
+          expect(response).to render_template(:edit)
+        end
+
+        context 'recaptcha enabled' do
+          before do
+            stub_application_setting(recaptcha_enabled: true)
+          end
+
+          it 'renders :verify with recaptcha enabled' do
+            update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC)
+
+            expect(response).to render_template(:verify)
+          end
+
+          it 'renders snippet page when recaptcha verified' do
+            spammy_title = 'Whatever'
+
+            spam_logs = create_list(:spam_log, 2, user: user, title: spammy_title)
+            snippet = update_snippet({ title: spammy_title, visibility_level: Snippet::PUBLIC },
+                                     { spam_log_id: spam_logs.last.id,
+                                       recaptcha_verification: true })
+
+            expect(response).to redirect_to(snippet)
+          end
+        end
+      end
+
+      context 'when the snippet is public' do
+        let(:visibility_level) { Snippet::PUBLIC }
+
+        it 'rejects the shippet' do
+          expect { update_snippet(title: 'Foo') }.
+            not_to change { snippet.reload.title }
+        end
+
+        it 'creates a spam log' do
+          expect { update_snippet(title: 'Foo') }.
+            to change { SpamLog.count }.by(1)
+        end
+
+        it 'renders :edit with recaptcha disabled' do
+          stub_application_setting(recaptcha_enabled: false)
+
+          update_snippet(title: 'Foo')
+
+          expect(response).to render_template(:edit)
+        end
+
+        context 'recaptcha enabled' do
+          before do
+            stub_application_setting(recaptcha_enabled: true)
+          end
+
+          it 'renders :verify with recaptcha enabled' do
+            update_snippet(title: 'Foo')
+
+            expect(response).to render_template(:verify)
+          end
+
+          it 'renders snippet page when recaptcha verified' do
+            spammy_title = 'Whatever'
+
+            spam_logs = create_list(:spam_log, 2, user: user, title: spammy_title)
+            snippet = update_snippet({ title: spammy_title },
+                                     { spam_log_id: spam_logs.last.id,
+                                       recaptcha_verification: true })
+
+            expect(response).to redirect_to(snippet_path(snippet))
+          end
+        end
       end
     end
   end
diff --git a/spec/factories/services.rb b/spec/factories/services.rb
index a14a46c803e..51335bdcf1d 100644
--- a/spec/factories/services.rb
+++ b/spec/factories/services.rb
@@ -2,4 +2,14 @@ FactoryGirl.define do
   factory :service do
     project factory: :empty_project
   end
+
+  factory :kubernetes_service do
+    project factory: :empty_project
+    active true
+    properties({
+      namespace: 'somepath',
+      api_url: 'https://kubernetes.example.com',
+      token: 'a' * 40,
+    })
+  end
 end
diff --git a/spec/features/atom/dashboard_issues_spec.rb b/spec/features/atom/dashboard_issues_spec.rb
index 21ee6cedbae..a7c22615b89 100644
--- a/spec/features/atom/dashboard_issues_spec.rb
+++ b/spec/features/atom/dashboard_issues_spec.rb
@@ -23,7 +23,7 @@ describe "Dashboard Issues Feed", feature: true  do
         visit issues_dashboard_path(:atom, private_token: user.private_token, state: 'opened', assignee_id: user.id)
 
         link = find('link[type="application/atom+xml"]')
-        params = CGI::parse(URI.parse(link[:href]).query)
+        params = CGI.parse(URI.parse(link[:href]).query)
 
         expect(params).to include('private_token' => [user.private_token])
         expect(params).to include('state' => ['opened'])
diff --git a/spec/features/atom/issues_spec.rb b/spec/features/atom/issues_spec.rb
index 863412d18eb..a01a050a013 100644
--- a/spec/features/atom/issues_spec.rb
+++ b/spec/features/atom/issues_spec.rb
@@ -43,7 +43,7 @@ describe 'Issues Feed', feature: true  do
                                           :atom, private_token: user.private_token, state: 'opened', assignee_id: user.id)
 
       link = find('link[type="application/atom+xml"]')
-      params = CGI::parse(URI.parse(link[:href]).query)
+      params = CGI.parse(URI.parse(link[:href]).query)
 
       expect(params).to include('private_token' => [user.private_token])
       expect(params).to include('state' => ['opened'])
@@ -54,7 +54,7 @@ describe 'Issues Feed', feature: true  do
       visit issues_group_path(group, :atom, private_token: user.private_token, state: 'opened', assignee_id: user.id)
 
       link = find('link[type="application/atom+xml"]')
-      params = CGI::parse(URI.parse(link[:href]).query)
+      params = CGI.parse(URI.parse(link[:href]).query)
 
       expect(params).to include('private_token' => [user.private_token])
       expect(params).to include('state' => ['opened'])
diff --git a/spec/features/boards/add_issues_modal_spec.rb b/spec/features/boards/add_issues_modal_spec.rb
index 2875fc1e533..a3e24bb5ffa 100644
--- a/spec/features/boards/add_issues_modal_spec.rb
+++ b/spec/features/boards/add_issues_modal_spec.rb
@@ -49,6 +49,12 @@ describe 'Issue Boards add issue modal', :feature, :js do
 
       expect(page).not_to have_selector('.add-issues-modal')
     end
+
+    it 'does not show tooltip on add issues button' do
+      button = page.find('.issue-boards-search button', text: 'Add issues')
+
+      expect(button[:title]).not_to eq("Please add a list to your board first")
+    end
   end
 
   context 'issues list' do
diff --git a/spec/features/boards/boards_spec.rb b/spec/features/boards/boards_spec.rb
index 1b25b51cfb2..e247bfa2980 100644
--- a/spec/features/boards/boards_spec.rb
+++ b/spec/features/boards/boards_spec.rb
@@ -28,10 +28,10 @@ describe 'Issue Boards', feature: true, js: true do
       expect(page).to have_content('Welcome to your Issue Board!')
     end
 
-    it 'disables add issues button by default' do
+    it 'shows tooltip on add issues button' do
       button = page.find('.issue-boards-search button', text: 'Add issues')
 
-      expect(button[:disabled]).to eq true
+      expect(button[:"data-original-title"]).to eq("Please add a list to your board first")
     end
 
     it 'hides the blank state when clicking nevermind button' do
diff --git a/spec/features/commits_spec.rb b/spec/features/commits_spec.rb
index 8f561c8f90b..324ede798fe 100644
--- a/spec/features/commits_spec.rb
+++ b/spec/features/commits_spec.rb
@@ -153,7 +153,7 @@ describe 'Commits' do
           expect(page).to have_content pipeline.git_author_name
           expect(page).to have_link('Download artifacts')
           expect(page).not_to have_link('Cancel running')
-          expect(page).not_to have_link('Retry failed')
+          expect(page).not_to have_link('Retry')
         end
       end
 
@@ -172,7 +172,7 @@ describe 'Commits' do
           expect(page).to have_content pipeline.git_author_name
           expect(page).not_to have_link('Download artifacts')
           expect(page).not_to have_link('Cancel running')
-          expect(page).not_to have_link('Retry failed')
+          expect(page).not_to have_link('Retry')
         end
       end
     end
diff --git a/spec/features/dashboard_issues_spec.rb b/spec/features/dashboard_issues_spec.rb
index b898f9bc64f..aa75e1140f6 100644
--- a/spec/features/dashboard_issues_spec.rb
+++ b/spec/features/dashboard_issues_spec.rb
@@ -49,9 +49,9 @@ describe "Dashboard Issues filtering", feature: true, js: true do
       visit_issues(milestone_title: '', assignee_id: user.id)
 
       link = find('.nav-controls a', text: 'Subscribe')
-      params = CGI::parse(URI.parse(link[:href]).query)
+      params = CGI.parse(URI.parse(link[:href]).query)
       auto_discovery_link = find('link[type="application/atom+xml"]', visible: false)
-      auto_discovery_params = CGI::parse(URI.parse(auto_discovery_link[:href]).query)
+      auto_discovery_params = CGI.parse(URI.parse(auto_discovery_link[:href]).query)
 
       expect(params).to include('private_token' => [user.private_token])
       expect(params).to include('milestone_title' => [''])
diff --git a/spec/features/groups/members/list_spec.rb b/spec/features/groups/members/list_spec.rb
index 109de39b2dd..14c193f7450 100644
--- a/spec/features/groups/members/list_spec.rb
+++ b/spec/features/groups/members/list_spec.rb
@@ -30,6 +30,21 @@ feature 'Groups members list', feature: true do
     expect(second_row).to be_blank
   end
 
+  it 'updates user to owner level', :js do
+    group.add_owner(user1)
+    group.add_developer(user2)
+
+    visit group_group_members_path(group)
+
+    page.within(second_row) do
+      click_button('Developer')
+
+      click_link('Owner')
+
+      expect(page).to have_button('Owner')
+    end
+  end
+
   def first_row
     page.all('ul.content-list > li')[0]
   end
diff --git a/spec/features/help_pages_spec.rb b/spec/features/help_pages_spec.rb
index 40a1fced8d8..e0b2404e60a 100644
--- a/spec/features/help_pages_spec.rb
+++ b/spec/features/help_pages_spec.rb
@@ -33,4 +33,30 @@ describe 'Help Pages', feature: true do
       it_behaves_like 'help page', prefix: '/gitlab'
     end
   end
+
+  context 'in a production environment with version check enabled', js: true do
+    before do
+      allow(Rails.env).to receive(:production?) { true }
+      allow(current_application_settings).to receive(:version_check_enabled) { true }
+      allow_any_instance_of(VersionCheck).to receive(:url) { '/version-check-url' }
+
+      login_as :user
+      visit help_path
+    end
+
+    it 'should display a version check image' do
+      expect(find('.js-version-status-badge')).to be_visible
+    end
+
+    it 'should have a src url' do
+      expect(find('.js-version-status-badge')['src']).to match(/\/version-check-url/)
+    end
+
+    it 'should hide the version check image if the image request fails' do
+      # We use '--load-images=no' with poltergeist so we must trigger manually
+      execute_script("$('.js-version-status-badge').trigger('error');")
+
+      expect(find('.js-version-status-badge', visible: false)).not_to be_visible
+    end
+  end
 end
diff --git a/spec/features/issuables/issuable_list_spec.rb b/spec/features/issuables/issuable_list_spec.rb
index e31bc40adc3..b90bf6268fd 100644
--- a/spec/features/issuables/issuable_list_spec.rb
+++ b/spec/features/issuables/issuable_list_spec.rb
@@ -30,6 +30,13 @@ describe 'issuable list', feature: true do
     end
   end
 
+  it "counts merge requests closing issues icons for each issue" do
+    visit_issuable_list(:issue)
+
+    expect(page).to have_selector('.icon-merge-request-unmerged', count: 1)
+    expect(first('.icon-merge-request-unmerged').find(:xpath, '..')).to have_content(1)
+  end
+
   def visit_issuable_list(issuable_type)
     if issuable_type == :issue
       visit namespace_project_issues_path(project.namespace, project)
@@ -40,11 +47,12 @@ describe 'issuable list', feature: true do
 
   def create_issuables(issuable_type)
     3.times do
-      if issuable_type == :issue
-        issuable = create(:issue, project: project, author: user)
-      else
-        issuable = create(:merge_request, title: FFaker::Lorem.sentence, source_project: project, source_branch: FFaker::Name.name)
-      end
+      issuable =
+        if issuable_type == :issue
+          create(:issue, project: project, author: user)
+        else
+          create(:merge_request, title: FFaker::Lorem.sentence, source_project: project, source_branch: FFaker::Name.name)
+        end
 
       2.times do
         create(:note_on_issue, noteable: issuable, project: project, note: 'Test note')
@@ -53,5 +61,15 @@ describe 'issuable list', feature: true do
       create(:award_emoji, :downvote, awardable: issuable)
       create(:award_emoji, :upvote, awardable: issuable)
     end
+
+    if issuable_type == :issue
+      issue = Issue.reorder(:iid).first
+      merge_request = create(:merge_request,
+                              title: FFaker::Lorem.sentence,
+                              source_project: project,
+                              source_branch: FFaker::Name.name)
+
+      MergeRequestsClosingIssues.create!(issue: issue, merge_request: merge_request)
+    end
   end
 end
diff --git a/spec/features/issues/bulk_assignment_labels_spec.rb b/spec/features/issues/bulk_assignment_labels_spec.rb
index 832757b24d4..2f59630b4fb 100644
--- a/spec/features/issues/bulk_assignment_labels_spec.rb
+++ b/spec/features/issues/bulk_assignment_labels_spec.rb
@@ -55,7 +55,7 @@ feature 'Issues > Labels bulk assignment', feature: true do
         context 'to all issues' do
           before do
             check 'check_all_issues'
-            open_labels_dropdown ['bug', 'feature']
+            open_labels_dropdown %w(bug feature)
             update_issues
           end
 
@@ -70,7 +70,7 @@ feature 'Issues > Labels bulk assignment', feature: true do
         context 'to a issue' do
           before do
             check "selected_issue_#{issue1.id}"
-            open_labels_dropdown ['bug', 'feature']
+            open_labels_dropdown %w(bug feature)
             update_issues
           end
 
@@ -112,7 +112,7 @@ feature 'Issues > Labels bulk assignment', feature: true do
           visit namespace_project_issues_path(project.namespace, project)
 
           check 'check_all_issues'
-          unmark_labels_in_dropdown ['bug', 'feature']
+          unmark_labels_in_dropdown %w(bug feature)
           update_issues
         end
 
diff --git a/spec/features/issues/filtered_search/dropdown_label_spec.rb b/spec/features/issues/filtered_search/dropdown_label_spec.rb
index c6a88e1b7b0..ab3b868fd3a 100644
--- a/spec/features/issues/filtered_search/dropdown_label_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_label_spec.rb
@@ -1,6 +1,8 @@
 require 'spec_helper'
 
 describe 'Dropdown label', js: true, feature: true do
+  include FilteredSearchHelpers
+
   let(:project) { create(:empty_project) }
   let(:user) { create(:user) }
   let(:filtered_search) { find('.filtered-search') }
@@ -17,12 +19,6 @@ describe 'Dropdown label', js: true, feature: true do
     let!(:long_label) { create(:label, project: project, title: 'this is a very long title this is a very long title this is a very long title this is a very long title this is a very long title') }
   end
 
-  def init_label_search
-    filtered_search.set('label:')
-    # This ensures the dropdown is shown
-    expect(find(js_dropdown_label)).not_to have_css('.filter-dropdown-loading')
-  end
-
   def search_for_label(label)
     init_label_search
     filtered_search.send_keys(label)
diff --git a/spec/features/issues/filtered_search/filter_issues_spec.rb b/spec/features/issues/filtered_search/filter_issues_spec.rb
index 64f448a83b7..0420e64d42c 100644
--- a/spec/features/issues/filtered_search/filter_issues_spec.rb
+++ b/spec/features/issues/filtered_search/filter_issues_spec.rb
@@ -1,6 +1,7 @@
 require 'rails_helper'
 
 describe 'Filter issues', js: true, feature: true do
+  include FilteredSearchHelpers
   include WaitForAjax
 
   let!(:group) { create(:group) }
@@ -17,19 +18,6 @@ describe 'Filter issues', js: true, feature: true do
   let!(:multiple_words_label) { create(:label, project: project, title: "Two words") }
 
   let!(:closed_issue) { create(:issue, title: 'bug that is closed', project: project, state: :closed) }
-  let(:filtered_search) { find('.filtered-search') }
-
-  def input_filtered_search(search_term, submit: true)
-    filtered_search.set(search_term)
-
-    if submit
-      filtered_search.send_keys(:enter)
-    end
-  end
-
-  def expect_filtered_search_input(input)
-    expect(find('.filtered-search').value).to eq(input)
-  end
 
   def expect_no_issues_list
     page.within '.issues-list' do
diff --git a/spec/features/issues/issue_sidebar_spec.rb b/spec/features/issues/issue_sidebar_spec.rb
index 1eb981942ea..7b9d4534ada 100644
--- a/spec/features/issues/issue_sidebar_spec.rb
+++ b/spec/features/issues/issue_sidebar_spec.rb
@@ -7,9 +7,9 @@ feature 'Issue Sidebar', feature: true do
   let(:project) { create(:project, :public) }
   let(:issue) { create(:issue, project: project) }
   let!(:user) { create(:user)}
+  let!(:label) { create(:label, project: project, title: 'bug') }
 
   before do
-    create(:label, project: project, title: 'bug')
     login_as(user)
   end
 
@@ -50,16 +50,6 @@ feature 'Issue Sidebar', feature: true do
       visit_issue(project, issue)
     end
 
-    describe 'when clicking on edit labels', js: true do
-      it 'shows dropdown option to create a new label' do
-        find('.block.labels .edit-link').click
-
-        page.within('.block.labels') do
-          expect(page).to have_content 'Create new'
-        end
-      end
-    end
-
     context 'sidebar', js: true do
       it 'changes size when the screen size is smaller' do
         sidebar_selector = 'aside.right-sidebar.right-sidebar-collapsed'
@@ -77,36 +67,53 @@ feature 'Issue Sidebar', feature: true do
       end
     end
 
-    context 'creating a new label', js: true do
-      it 'shows option to crate a new label is present' do
+    context 'editing issue labels', js: true do
+      before do
         page.within('.block.labels') do
           find('.edit-link').click
+        end
+      end
 
+      it 'shows option to create a new label' do
+        page.within('.block.labels') do
           expect(page).to have_content 'Create new'
         end
       end
 
-      it 'shows dropdown switches to "create label" section' do
-        page.within('.block.labels') do
-          find('.edit-link').click
-          click_link 'Create new'
+      context 'creating a new label', js: true do
+        before do
+          page.within('.block.labels') do
+            click_link 'Create new'
+          end
+        end
 
-          expect(page).to have_content 'Create new label'
+        it 'shows dropdown switches to "create label" section' do
+          page.within('.block.labels') do
+            expect(page).to have_content 'Create new label'
+          end
         end
-      end
 
-      it 'adds new label' do
-        page.within('.block.labels') do
-          find('.edit-link').click
-          sleep 1
-          click_link 'Create new'
+        it 'adds new label' do
+          page.within('.block.labels') do
+            fill_in 'new_label_name', with: 'wontfix'
+            page.find(".suggest-colors a", match: :first).click
+            click_button 'Create'
+
+            page.within('.dropdown-page-one') do
+              expect(page).to have_content 'wontfix'
+            end
+          end
+        end
 
-          fill_in 'new_label_name', with: 'wontfix'
-          page.find(".suggest-colors a", match: :first).click
-          click_button 'Create'
+        it 'shows error message if label title is taken' do
+          page.within('.block.labels') do
+            fill_in 'new_label_name', with: label.title
+            page.find('.suggest-colors a', match: :first).click
+            click_button 'Create'
 
-          page.within('.dropdown-page-one') do
-            expect(page).to have_content 'wontfix'
+            page.within('.dropdown-page-two') do
+              expect(page).to have_content 'Title has already been taken'
+            end
           end
         end
       end
diff --git a/spec/features/issues_spec.rb b/spec/features/issues_spec.rb
index 094f645a077..1e0db4a0499 100644
--- a/spec/features/issues_spec.rb
+++ b/spec/features/issues_spec.rb
@@ -150,7 +150,7 @@ describe 'Issues', feature: true do
 
   describe 'Filter issue' do
     before do
-      ['foobar', 'barbaz', 'gitlab'].each do |title|
+      %w(foobar barbaz gitlab).each do |title|
         create(:issue,
                author: @user,
                assignee: @user,
@@ -577,6 +577,15 @@ describe 'Issues', feature: true do
 
         expect(page.find_field("issue_description").value).to have_content 'banana_sample'
       end
+
+      it 'adds double newline to end of attachment markdown' do
+        drop_in_dropzone test_image_file
+
+        # Wait for the file to upload
+        sleep 1
+
+        expect(page.find_field("issue_description").value).to match /\n\n$/
+      end
     end
   end
 
diff --git a/spec/features/merge_requests/conflicts_spec.rb b/spec/features/merge_requests/conflicts_spec.rb
index d710a780111..18508a44184 100644
--- a/spec/features/merge_requests/conflicts_spec.rb
+++ b/spec/features/merge_requests/conflicts_spec.rb
@@ -154,7 +154,7 @@ feature 'Merge request conflict resolution', js: true, feature: true do
     'conflict-binary-file' => 'when the conflicts contain a binary file',
     'conflict-missing-side' => 'when the conflicts contain a file edited in one branch and deleted in another',
     'conflict-non-utf8' => 'when the conflicts contain a non-UTF-8 file',
-  }
+  }.freeze
 
   UNRESOLVABLE_CONFLICTS.each do |source_branch, description|
     context description do
diff --git a/spec/features/merge_requests/filter_by_labels_spec.rb b/spec/features/merge_requests/filter_by_labels_spec.rb
index 4c60329865c..55f3c1863ff 100644
--- a/spec/features/merge_requests/filter_by_labels_spec.rb
+++ b/spec/features/merge_requests/filter_by_labels_spec.rb
@@ -1,6 +1,8 @@
 require 'rails_helper'
 
 feature 'Issue filtering by Labels', feature: true, js: true do
+  include FilteredSearchHelpers
+  include MergeRequestHelpers
   include WaitForAjax
 
   let(:project) { create(:project, :public) }
@@ -32,123 +34,77 @@ feature 'Issue filtering by Labels', feature: true, js: true do
 
   context 'filter by label bug' do
     before do
-      select_labels('bug')
+      input_filtered_search('label:~bug')
     end
 
     it 'apply the filter' do
       expect(page).to have_content "Bugfix1"
       expect(page).to have_content "Bugfix2"
       expect(page).not_to have_content "Feature1"
-      expect(find('.filtered-labels')).to have_content "bug"
-      expect(find('.filtered-labels')).not_to have_content "feature"
-      expect(find('.filtered-labels')).not_to have_content "enhancement"
-
-      find('.js-label-filter-remove').click
-      wait_for_ajax
-      expect(find('.filtered-labels', visible: false)).to have_no_content "bug"
     end
   end
 
   context 'filter by label feature' do
     before do
-      select_labels('feature')
+      input_filtered_search('label:~feature')
     end
 
     it 'applies the filter' do
       expect(page).to have_content "Feature1"
       expect(page).not_to have_content "Bugfix2"
       expect(page).not_to have_content "Bugfix1"
-      expect(find('.filtered-labels')).to have_content "feature"
-      expect(find('.filtered-labels')).not_to have_content "bug"
-      expect(find('.filtered-labels')).not_to have_content "enhancement"
     end
   end
 
   context 'filter by label enhancement' do
     before do
-      select_labels('enhancement')
+      input_filtered_search('label:~enhancement')
     end
 
     it 'applies the filter' do
       expect(page).to have_content "Bugfix2"
       expect(page).not_to have_content "Feature1"
       expect(page).not_to have_content "Bugfix1"
-      expect(find('.filtered-labels')).to have_content "enhancement"
-      expect(find('.filtered-labels')).not_to have_content "bug"
-      expect(find('.filtered-labels')).not_to have_content "feature"
     end
   end
 
   context 'filter by label enhancement and bug in issues list' do
     before do
-      select_labels('bug', 'enhancement')
+      input_filtered_search('label:~bug label:~enhancement')
     end
 
     it 'applies the filters' do
       expect(page).to have_issuable_counts(open: 1, closed: 0, all: 1)
       expect(page).to have_content "Bugfix2"
       expect(page).not_to have_content "Feature1"
-      expect(find('.filtered-labels')).to have_content "bug"
-      expect(find('.filtered-labels')).to have_content "enhancement"
-      expect(find('.filtered-labels')).not_to have_content "feature"
-
-      find('.js-label-filter-remove', match: :first).click
-      wait_for_ajax
-
-      expect(page).to have_content "Bugfix2"
-      expect(page).not_to have_content "Feature1"
-      expect(page).not_to have_content "Bugfix1"
-      expect(find('.filtered-labels')).not_to have_content "bug"
-      expect(find('.filtered-labels')).to have_content "enhancement"
-      expect(find('.filtered-labels')).not_to have_content "feature"
     end
   end
 
-  context 'remove filtered labels' do
+  context 'clear button' do
     before do
-      page.within '.labels-filter' do
-        click_button 'Label'
-        wait_for_ajax
-        click_link 'bug'
-        find('.dropdown-menu-close').click
-      end
-
-      page.within '.filtered-labels' do
-        expect(page).to have_content 'bug'
-      end
+      input_filtered_search('label:~bug')
     end
 
     it 'allows user to remove filtered labels' do
-      first('.js-label-filter-remove').click
-      wait_for_ajax
+      first('.clear-search').click
+      filtered_search.send_keys(:enter)
 
-      expect(find('.filtered-labels', visible: false)).not_to have_content 'bug'
-      expect(find('.labels-filter')).not_to have_content 'bug'
+      expect(page).to have_issuable_counts(open: 3, closed: 0, all: 3)
+      expect(page).to have_content "Bugfix2"
+      expect(page).to have_content "Feature1"
+      expect(page).to have_content "Bugfix1"
     end
   end
 
-  context 'dropdown filtering' do
+  context 'filter dropdown' do
     it 'filters by label name' do
-      page.within '.labels-filter' do
-        click_button 'Label'
-        wait_for_ajax
-        find('.dropdown-input input').set 'bug'
-
-        page.within '.dropdown-content' do
-          expect(page).not_to have_content 'enhancement'
-          expect(page).to have_content 'bug'
-        end
-      end
-    end
-  end
+      init_label_search
+      filtered_search.send_keys('~bug')
 
-  def select_labels(*labels)
-    page.find('.js-label-select').click
-    wait_for_ajax
-    labels.each do |label|
-      execute_script("$('.dropdown-menu-labels li:contains(\"#{label}\") a').click()")
+      page.within '.filter-dropdown' do
+        expect(page).not_to have_content 'enhancement'
+        expect(page).to have_content 'bug'
+      end
     end
-    page.first('.labels-filter .dropdown-title .dropdown-menu-close-icon').click
-    wait_for_ajax
   end
 end
diff --git a/spec/features/merge_requests/filter_by_milestone_spec.rb b/spec/features/merge_requests/filter_by_milestone_spec.rb
index f6e9230c8da..5608cda28f8 100644
--- a/spec/features/merge_requests/filter_by_milestone_spec.rb
+++ b/spec/features/merge_requests/filter_by_milestone_spec.rb
@@ -1,10 +1,18 @@
 require 'rails_helper'
 
 feature 'Merge Request filtering by Milestone', feature: true do
+  include FilteredSearchHelpers
+  include MergeRequestHelpers
+
   let(:project)   { create(:project, :public) }
   let!(:user)     { create(:user)}
   let(:milestone) { create(:milestone, project: project) }
 
+  def filter_by_milestone(title)
+    find(".js-milestone-select").click
+    find(".milestone-filter a", text: title).click
+  end
+
   before do
     project.team << [user, :master]
     login_as(user)
@@ -15,42 +23,42 @@ feature 'Merge Request filtering by Milestone', feature: true do
     create(:merge_request, :simple, source_project: project, milestone: milestone)
 
     visit_merge_requests(project)
-    filter_by_milestone(Milestone::None.title)
+    input_filtered_search('milestone:none')
 
     expect(page).to have_issuable_counts(open: 1, closed: 0, all: 1)
     expect(page).to have_css('.merge-request', count: 1)
   end
 
   context 'filters by upcoming milestone', js: true do
-    it 'does not show issues with no expiry' do
+    it 'does not show merge requests with no expiry' do
       create(:merge_request, :with_diffs, source_project: project)
       create(:merge_request, :simple, source_project: project, milestone: milestone)
 
       visit_merge_requests(project)
-      filter_by_milestone(Milestone::Upcoming.title)
+      input_filtered_search('milestone:upcoming')
 
       expect(page).to have_css('.merge-request', count: 0)
     end
 
-    it 'shows issues in future' do
+    it 'shows merge requests in future' do
       milestone = create(:milestone, project: project, due_date: Date.tomorrow)
       create(:merge_request, :with_diffs, source_project: project)
       create(:merge_request, :simple, source_project: project, milestone: milestone)
 
       visit_merge_requests(project)
-      filter_by_milestone(Milestone::Upcoming.title)
+      input_filtered_search('milestone:upcoming')
 
       expect(page).to have_issuable_counts(open: 1, closed: 0, all: 1)
       expect(page).to have_css('.merge-request', count: 1)
     end
 
-    it 'does not show issues in past' do
+    it 'does not show merge requests in past' do
       milestone = create(:milestone, project: project, due_date: Date.yesterday)
       create(:merge_request, :with_diffs, source_project: project)
       create(:merge_request, :simple, source_project: project, milestone: milestone)
 
       visit_merge_requests(project)
-      filter_by_milestone(Milestone::Upcoming.title)
+      input_filtered_search('milestone:upcoming')
 
       expect(page).to have_css('.merge-request', count: 0)
     end
@@ -61,7 +69,7 @@ feature 'Merge Request filtering by Milestone', feature: true do
     create(:merge_request, :simple, source_project: project)
 
     visit_merge_requests(project)
-    filter_by_milestone(milestone.title)
+    input_filtered_search("milestone:%'#{milestone.title}'")
 
     expect(page).to have_issuable_counts(open: 1, closed: 0, all: 1)
     expect(page).to have_css('.merge-request', count: 1)
@@ -77,19 +85,10 @@ feature 'Merge Request filtering by Milestone', feature: true do
       create(:merge_request, :simple, source_project: project)
 
       visit_merge_requests(project)
-      filter_by_milestone(milestone.title)
+      input_filtered_search("milestone:%\"#{milestone.title}\"")
 
       expect(page).to have_issuable_counts(open: 1, closed: 0, all: 1)
       expect(page).to have_css('.merge-request', count: 1)
     end
   end
-
-  def visit_merge_requests(project)
-    visit namespace_project_merge_requests_path(project.namespace, project)
-  end
-
-  def filter_by_milestone(title)
-    find(".js-milestone-select").click
-    find(".milestone-filter a", text: title).click
-  end
 end
diff --git a/spec/features/merge_requests/filter_merge_requests_spec.rb b/spec/features/merge_requests/filter_merge_requests_spec.rb
index 4642b5a530d..6579a88d4ab 100644
--- a/spec/features/merge_requests/filter_merge_requests_spec.rb
+++ b/spec/features/merge_requests/filter_merge_requests_spec.rb
@@ -1,11 +1,13 @@
 require 'rails_helper'
 
 describe 'Filter merge requests', feature: true do
+  include FilteredSearchHelpers
+  include MergeRequestHelpers
   include WaitForAjax
 
   let!(:project)   { create(:project) }
   let!(:group)     { create(:group) }
-  let!(:user)      { create(:user)}
+  let!(:user)      { create(:user) }
   let!(:milestone) { create(:milestone, project: project) }
   let!(:label)     { create(:label, project: project) }
   let!(:wontfix)   { create(:label, project: project, title: "Won't fix") }
@@ -15,183 +17,134 @@ describe 'Filter merge requests', feature: true do
     group.add_developer(user)
     login_as(user)
     create(:merge_request, source_project: project, target_project: project)
+
+    visit namespace_project_merge_requests_path(project.namespace, project)
   end
 
   describe 'for assignee from mr#index' do
-    before do
-      visit namespace_project_merge_requests_path(project.namespace, project)
+    let(:search_query) { "assignee:@#{user.username}" }
 
-      find('.js-assignee-search').click
-
-      find('.dropdown-menu-user-link', text: user.username).click
+    before do
+      input_filtered_search(search_query)
 
-      wait_for_ajax
+      expect_mr_list_count(0)
     end
 
     context 'assignee', js: true do
       it 'updates to current user' do
-        expect(find('.js-assignee-search .dropdown-toggle-text')).to have_content(user.name)
+        expect_filtered_search_input(search_query)
       end
 
       it 'does not change when closed link is clicked' do
         find('.issues-state-filters a', text: "Closed").click
 
-        expect(find('.js-assignee-search .dropdown-toggle-text')).to have_content(user.name)
+        expect_filtered_search_input(search_query)
       end
 
       it 'does not change when all link is clicked' do
         find('.issues-state-filters a', text: "All").click
 
-        expect(find('.js-assignee-search .dropdown-toggle-text')).to have_content(user.name)
+        expect_filtered_search_input(search_query)
       end
     end
   end
 
   describe 'for milestone from mr#index' do
-    before do
-      visit namespace_project_merge_requests_path(project.namespace, project)
-
-      find('.js-milestone-select').click
+    let(:search_query) { "milestone:%#{milestone.title}" }
 
-      find('.milestone-filter .dropdown-content a', text: milestone.title).click
+    before do
+      input_filtered_search(search_query)
 
-      wait_for_ajax
+      expect_mr_list_count(0)
     end
 
     context 'milestone', js: true do
       it 'updates to current milestone' do
-        expect(find('.js-milestone-select .dropdown-toggle-text')).to have_content(milestone.title)
+        expect_filtered_search_input(search_query)
       end
 
       it 'does not change when closed link is clicked' do
         find('.issues-state-filters a', text: "Closed").click
 
-        expect(find('.js-milestone-select .dropdown-toggle-text')).to have_content(milestone.title)
+        expect_filtered_search_input(search_query)
       end
 
       it 'does not change when all link is clicked' do
         find('.issues-state-filters a', text: "All").click
 
-        expect(find('.js-milestone-select .dropdown-toggle-text')).to have_content(milestone.title)
+        expect_filtered_search_input(search_query)
       end
     end
   end
 
   describe 'for label from mr#index', js: true do
-    before do
-      visit namespace_project_merge_requests_path(project.namespace, project)
-      find('.js-label-select').click
-      wait_for_ajax
-    end
-
-    it 'filters by any label' do
-      find('.dropdown-menu-labels a', text: 'Any Label').click
-      page.first('.labels-filter .dropdown-title .dropdown-menu-close-icon').click
-      wait_for_ajax
-
-      expect(find('.labels-filter')).to have_content 'Label'
-    end
-
     it 'filters by no label' do
-      find('.dropdown-menu-labels a', text: 'No Label').click
-      page.first('.labels-filter .dropdown-title .dropdown-menu-close-icon').click
-      wait_for_ajax
+      input_filtered_search('label:none')
 
-      page.within '.labels-filter' do
-        expect(page).to have_content 'Labels'
-      end
-      expect(find('.js-label-select .dropdown-toggle-text')).to have_content('Labels')
+      expect_mr_list_count(1)
+      expect_filtered_search_input('label:none')
     end
 
     it 'filters by a label' do
-      find('.dropdown-menu-labels a', text: label.title).click
-      page.within '.labels-filter' do
-        expect(page).to have_content label.title
-      end
-      expect(find('.js-label-select .dropdown-toggle-text')).to have_content(label.title)
+      input_filtered_search("label:~#{label.title}")
+
+      expect_mr_list_count(0)
+      expect_filtered_search_input("label:~#{label.title}")
     end
 
     it "filters by `won't fix` and another label" do
-      page.within '.labels-filter' do
-        click_link wontfix.title
-        expect(page).to have_content wontfix.title
-        click_link label.title
-      end
+      input_filtered_search("label:~\"#{wontfix.title}\" label:~#{label.title}")
 
-      expect(find('.js-label-select .dropdown-toggle-text')).to have_content("#{wontfix.title} +1 more")
+      expect_mr_list_count(0)
+      expect_filtered_search_input("label:~\"#{wontfix.title}\" label:~#{label.title}")
     end
 
     it "filters by `won't fix` label followed by another label after page load" do
-      page.within '.labels-filter' do
-        click_link wontfix.title
-        expect(page).to have_content wontfix.title
-      end
-
-      find('body').click
-
-      expect(find('.filtered-labels')).to have_content(wontfix.title)
-
-      find('.js-label-select').click
-      wait_for_ajax
-      find('.dropdown-menu-labels a', text: label.title).click
-
-      find('body').click
+      input_filtered_search("label:~\"#{wontfix.title}\"")
 
-      expect(find('.filtered-labels')).to have_content(wontfix.title)
-      expect(find('.filtered-labels')).to have_content(label.title)
+      expect_mr_list_count(0)
+      expect_filtered_search_input("label:~\"#{wontfix.title}\"")
 
-      find('.js-label-select').click
-      wait_for_ajax
+      input_filtered_search_keys(" label:~#{label.title}")
 
-      expect(find('.dropdown-menu-labels li', text: wontfix.title)).to have_css('.is-active')
-      expect(find('.dropdown-menu-labels li', text: label.title)).to have_css('.is-active')
-    end
+      expect_filtered_search_input("label:~\"#{wontfix.title}\" label:~#{label.title}")
 
-    it "selects and unselects `won't fix`" do
-      find('.dropdown-menu-labels a', text: wontfix.title).click
-      find('.dropdown-menu-labels a', text: wontfix.title).click
-      # Close label dropdown to load
-      find('body').click
-      expect(page).not_to have_css('.filtered-labels')
+      expect_mr_list_count(0)
+      expect_filtered_search_input("label:~\"#{wontfix.title}\" label:~#{label.title}")
     end
   end
 
   describe 'for assignee and label from issues#index' do
-    before do
-      visit namespace_project_merge_requests_path(project.namespace, project)
-
-      find('.js-assignee-search').click
+    let(:search_query) { "assignee:@#{user.username} label:~#{label.title}" }
 
-      find('.dropdown-menu-user-link', text: user.username).click
+    before do
+      input_filtered_search("assignee:@#{user.username}")
 
-      expect(page).not_to have_selector('.mr-list .merge-request')
+      expect_mr_list_count(1)
+      expect_filtered_search_input("assignee:@#{user.username}")
 
-      find('.js-label-select').click
+      input_filtered_search_keys(" label:~#{label.title}")
 
-      find('.dropdown-menu-labels .dropdown-content a', text: label.title).click
-      page.first('.labels-filter .dropdown-title .dropdown-menu-close-icon').click
+      expect_mr_list_count(1)
 
-      wait_for_ajax
+      find("#state-opened[href=\"#{URI.parse(current_url).path}?assignee_username=#{user.username}&label_name%5B%5D=#{label.title}&scope=all&state=opened\"]")
     end
 
     context 'assignee and label', js: true do
       it 'updates to current assignee and label' do
-        expect(find('.js-assignee-search .dropdown-toggle-text')).to have_content(user.name)
-        expect(find('.js-label-select .dropdown-toggle-text')).to have_content(label.title)
+        expect_filtered_search_input(search_query)
       end
 
       it 'does not change when closed link is clicked' do
         find('.issues-state-filters a', text: "Closed").click
 
-        expect(find('.js-assignee-search .dropdown-toggle-text')).to have_content(user.name)
-        expect(find('.js-label-select .dropdown-toggle-text')).to have_content(label.title)
+        expect_filtered_search_input(search_query)
       end
 
       it 'does not change when all link is clicked' do
         find('.issues-state-filters a', text: "All").click
 
-        expect(find('.js-assignee-search .dropdown-toggle-text')).to have_content(user.name)
-        expect(find('.js-label-select .dropdown-toggle-text')).to have_content(label.title)
+        expect_filtered_search_input(search_query)
       end
     end
   end
@@ -203,11 +156,11 @@ describe 'Filter merge requests', feature: true do
       bug_label = create(:label, project: project, title: 'bug')
       milestone = create(:milestone, title: "8", project: project)
 
-      mr = create(:merge_request, 
-        title: "Bug 2", 
-        source_project: project, 
-        target_project: project, 
-        source_branch: "bug2", 
+      mr = create(:merge_request,
+        title: "Bug 2",
+        source_project: project,
+        target_project: project,
+        source_branch: "bug2",
         milestone: milestone,
         author: user,
         assignee: user)
@@ -218,15 +171,13 @@ describe 'Filter merge requests', feature: true do
 
     context 'only text', js: true do
       it 'filters merge requests by searched text' do
-        fill_in 'issuable_search', with: 'Bug'
+        input_filtered_search('bug')
 
-        page.within '.mr-list' do
-          expect(page).to have_selector('.merge-request', count: 2)
-        end
+        expect_mr_list_count(2)
       end
 
       it 'does not show any merge requests' do
-        fill_in 'issuable_search', with: 'testing'
+        input_filtered_search('testing')
 
         page.within '.mr-list' do
           expect(page).not_to have_selector('.merge-request')
@@ -234,82 +185,49 @@ describe 'Filter merge requests', feature: true do
       end
     end
 
-    context 'text and dropdown options', js: true do
+    context 'filters and searches', js: true do
       it 'filters by text and label' do
-        fill_in 'issuable_search', with: 'Bug'
+        input_filtered_search('Bug')
 
-        expect(page).to have_issuable_counts(open: 2, closed: 0, all: 2)
-        page.within '.mr-list' do
-          expect(page).to have_selector('.merge-request', count: 2)
-        end
+        expect_mr_list_count(2)
+        expect_filtered_search_input('Bug')
 
-        click_button 'Label'
-        page.within '.labels-filter' do
-          click_link 'bug'
-        end
-        find('.dropdown-menu-close-icon').click
+        input_filtered_search_keys(' label:~bug')
 
-        expect(page).to have_issuable_counts(open: 1, closed: 0, all: 1)
-        page.within '.mr-list' do
-          expect(page).to have_selector('.merge-request', count: 1)
-        end
+        expect_mr_list_count(1)
       end
 
       it 'filters by text and milestone' do
-        fill_in 'issuable_search', with: 'Bug'
+        input_filtered_search('Bug')
 
-        expect(page).to have_issuable_counts(open: 2, closed: 0, all: 2)
-        page.within '.mr-list' do
-          expect(page).to have_selector('.merge-request', count: 2)
-        end
+        expect_mr_list_count(2)
+        expect_filtered_search_input('Bug')
 
-        click_button 'Milestone'
-        page.within '.milestone-filter' do
-          click_link '8'
-        end
+        input_filtered_search_keys(' milestone:%8')
 
-        expect(page).to have_issuable_counts(open: 1, closed: 0, all: 1)
-        page.within '.mr-list' do
-          expect(page).to have_selector('.merge-request', count: 1)
-        end
+        expect_mr_list_count(1)
       end
 
       it 'filters by text and assignee' do
-        fill_in 'issuable_search', with: 'Bug'
+        input_filtered_search('Bug')
 
-        expect(page).to have_issuable_counts(open: 2, closed: 0, all: 2)
-        page.within '.mr-list' do
-          expect(page).to have_selector('.merge-request', count: 2)
-        end
+        expect_mr_list_count(2)
+        expect_filtered_search_input('Bug')
 
-        click_button 'Assignee'
-        page.within '.dropdown-menu-assignee' do
-          click_link user.name
-        end
+        input_filtered_search_keys(" assignee:@#{user.username}")
 
-        expect(page).to have_issuable_counts(open: 1, closed: 0, all: 1)
-        page.within '.mr-list' do
-          expect(page).to have_selector('.merge-request', count: 1)
-        end
+        expect_mr_list_count(1)
       end
 
       it 'filters by text and author' do
-        fill_in 'issuable_search', with: 'Bug'
+        input_filtered_search('Bug')
 
-        expect(page).to have_issuable_counts(open: 2, closed: 0, all: 2)
-        page.within '.mr-list' do
-          expect(page).to have_selector('.merge-request', count: 2)
-        end
+        expect_mr_list_count(2)
+        expect_filtered_search_input('Bug')
 
-        click_button 'Author'
-        page.within '.dropdown-menu-author' do
-          click_link user.name
-        end
+        input_filtered_search_keys(" author:@#{user.username}")
 
-        expect(page).to have_issuable_counts(open: 1, closed: 0, all: 1)
-        page.within '.mr-list' do
-          expect(page).to have_selector('.merge-request', count: 1)
-        end
+        expect_mr_list_count(1)
       end
     end
   end
@@ -328,18 +246,9 @@ describe 'Filter merge requests', feature: true do
     end
 
     it 'is able to filter and sort merge requests' do
-      click_button 'Label'
-      wait_for_ajax
-      page.within '.labels-filter' do
-        click_link 'bug'
-      end
-      find('.dropdown-menu-close-icon').click
-      wait_for_ajax
+      input_filtered_search('label:~bug')
 
-      expect(page).to have_issuable_counts(open: 2, closed: 0, all: 2)
-      page.within '.mr-list' do
-        expect(page).to have_selector('.merge-request', count: 2)
-      end
+      expect_mr_list_count(2)
 
       click_button 'Last created'
       page.within '.dropdown-menu-sort' do
@@ -352,4 +261,38 @@ describe 'Filter merge requests', feature: true do
       end
     end
   end
+
+  describe 'filter by assignee id', js: true do
+    it 'filter by current user' do
+      visit namespace_project_merge_requests_path(project.namespace, project, assignee_id: user.id)
+
+      expect_filtered_search_input("assignee:@#{user.username}")
+    end
+
+    it 'filter by new user' do
+      new_user = create(:user)
+      project.add_developer(new_user)
+
+      visit namespace_project_merge_requests_path(project.namespace, project, assignee_id: new_user.id)
+
+      expect_filtered_search_input("assignee:@#{new_user.username}")
+    end
+  end
+
+  describe 'filter by author id', js: true do
+    it 'filter by current user' do
+      visit namespace_project_merge_requests_path(project.namespace, project, author_id: user.id)
+
+      expect_filtered_search_input("author:@#{user.username}")
+    end
+
+    it 'filter by new user' do
+      new_user = create(:user)
+      project.add_developer(new_user)
+
+      visit namespace_project_merge_requests_path(project.namespace, project, author_id: new_user.id)
+
+      expect_filtered_search_input("author:@#{new_user.username}")
+    end
+  end
 end
diff --git a/spec/features/merge_requests/reset_filters_spec.rb b/spec/features/merge_requests/reset_filters_spec.rb
index 3a7ece7e1d6..58f11499e3f 100644
--- a/spec/features/merge_requests/reset_filters_spec.rb
+++ b/spec/features/merge_requests/reset_filters_spec.rb
@@ -1,17 +1,20 @@
 require 'rails_helper'
 
 feature 'Issues filter reset button', feature: true, js: true do
+  include FilteredSearchHelpers
+  include MergeRequestHelpers
   include WaitForAjax
   include IssueHelpers
 
-  let!(:project)    { create(:project, :public) }
-  let!(:user)        { create(:user)}
-  let!(:milestone)  { create(:milestone, project: project) }
-  let!(:bug)        { create(:label, project: project, name: 'bug')}
+  let!(:project) { create(:project, :public) }
+  let!(:user) { create(:user) }
+  let!(:milestone) { create(:milestone, project: project) }
+  let!(:bug) { create(:label, project: project, name: 'bug')}
   let!(:mr1) { create(:merge_request, title: "Feature", source_project: project, target_project: project, source_branch: "Feature", milestone: milestone, author: user, assignee: user) }
   let!(:mr2) { create(:merge_request, title: "Bugfix1", source_project: project, target_project: project, source_branch: "Bugfix1") }
 
-  let(:merge_request_css) { '.merge-request' }  
+  let(:merge_request_css) { '.merge-request' }
+  let(:clear_search_css) { '.filtered-search-input-container .clear-search' }
 
   before do
     mr2.labels << bug
@@ -50,7 +53,7 @@ feature 'Issues filter reset button', feature: true, js: true do
 
   context 'when author filter has been applied' do
     it 'resets the author filter' do
-      visit_merge_requests(project, author_id: user.id)
+      visit_merge_requests(project, author_username: user.username)
       expect(page).to have_css(merge_request_css, count: 1)
 
       reset_filters
@@ -60,7 +63,7 @@ feature 'Issues filter reset button', feature: true, js: true do
 
   context 'when assignee filter has been applied' do
     it 'resets the assignee filter' do
-      visit_merge_requests(project, assignee_id: user.id)
+      visit_merge_requests(project, assignee_username: user.username)
       expect(page).to have_css(merge_request_css, count: 1)
 
       reset_filters
@@ -70,7 +73,7 @@ feature 'Issues filter reset button', feature: true, js: true do
 
   context 'when all filters have been applied' do
     it 'resets all filters' do
-      visit_merge_requests(project, assignee_id: user.id, author_id: user.id, milestone_title: milestone.title, label_name: bug.name, search: 'Bug')
+      visit_merge_requests(project, assignee_username: user.username, author_username: user.username, milestone_title: milestone.title, label_name: bug.name, search: 'Bug')
       expect(page).to have_css(merge_request_css, count: 0)
 
       reset_filters
@@ -82,15 +85,7 @@ feature 'Issues filter reset button', feature: true, js: true do
     it 'the reset link should not be visible' do
       visit_merge_requests(project)
       expect(page).to have_css(merge_request_css, count: 2)
-      expect(page).not_to have_css '.reset_filters'
+      expect(page).not_to have_css(clear_search_css)
     end
   end
-
-  def visit_merge_requests(project, opts = {})
-    visit namespace_project_merge_requests_path project.namespace, project, opts
-  end
-
-  def reset_filters
-    find('.reset-filters').click
-  end
 end
diff --git a/spec/features/projects/badges/list_spec.rb b/spec/features/projects/badges/list_spec.rb
index 67a4a5d1ab1..ae9db0c0d6e 100644
--- a/spec/features/projects/badges/list_spec.rb
+++ b/spec/features/projects/badges/list_spec.rb
@@ -14,7 +14,8 @@ feature 'list of badges' do
       expect(page).to have_content 'build status'
       expect(page).to have_content 'Markdown'
       expect(page).to have_content 'HTML'
-      expect(page).to have_css('.highlight', count: 2)
+      expect(page).to have_content 'AsciiDoc'
+      expect(page).to have_css('.highlight', count: 3)
       expect(page).to have_xpath("//img[@alt='build status']")
 
       page.within('.highlight', match: :first) do
@@ -28,7 +29,8 @@ feature 'list of badges' do
       expect(page).to have_content 'coverage report'
       expect(page).to have_content 'Markdown'
       expect(page).to have_content 'HTML'
-      expect(page).to have_css('.highlight', count: 2)
+      expect(page).to have_content 'AsciiDoc'
+      expect(page).to have_css('.highlight', count: 3)
       expect(page).to have_xpath("//img[@alt='coverage report']")
 
       page.within('.highlight', match: :first) do
diff --git a/spec/features/projects/files/project_owner_creates_license_file_spec.rb b/spec/features/projects/files/project_owner_creates_license_file_spec.rb
index 64094af29c0..f8ef4577a26 100644
--- a/spec/features/projects/files/project_owner_creates_license_file_spec.rb
+++ b/spec/features/projects/files/project_owner_creates_license_file_spec.rb
@@ -25,7 +25,7 @@ feature 'project owner creates a license file', feature: true, js: true do
     select_template('MIT License')
 
     file_content = first('.file-editor')
-    expect(file_content).to have_content('The MIT License (MIT)')
+    expect(file_content).to have_content('MIT License')
     expect(file_content).to have_content("Copyright (c) #{Time.now.year} #{project.namespace.human_name}")
 
     fill_in :commit_message, with: 'Add a LICENSE file', visible: true
@@ -33,7 +33,7 @@ feature 'project owner creates a license file', feature: true, js: true do
 
     expect(current_path).to eq(
       namespace_project_blob_path(project.namespace, project, 'master/LICENSE'))
-    expect(page).to have_content('The MIT License (MIT)')
+    expect(page).to have_content('MIT License')
     expect(page).to have_content("Copyright (c) #{Time.now.year} #{project.namespace.human_name}")
   end
 
@@ -49,7 +49,7 @@ feature 'project owner creates a license file', feature: true, js: true do
     select_template('MIT License')
 
     file_content = first('.file-editor')
-    expect(file_content).to have_content('The MIT License (MIT)')
+    expect(file_content).to have_content('MIT License')
     expect(file_content).to have_content("Copyright (c) #{Time.now.year} #{project.namespace.human_name}")
 
     fill_in :commit_message, with: 'Add a LICENSE file', visible: true
@@ -57,7 +57,7 @@ feature 'project owner creates a license file', feature: true, js: true do
 
     expect(current_path).to eq(
       namespace_project_blob_path(project.namespace, project, 'master/LICENSE'))
-    expect(page).to have_content('The MIT License (MIT)')
+    expect(page).to have_content('MIT License')
     expect(page).to have_content("Copyright (c) #{Time.now.year} #{project.namespace.human_name}")
   end
 
diff --git a/spec/features/projects/files/project_owner_sees_link_to_create_license_file_in_empty_project_spec.rb b/spec/features/projects/files/project_owner_sees_link_to_create_license_file_in_empty_project_spec.rb
index 4453b6d485f..420db962318 100644
--- a/spec/features/projects/files/project_owner_sees_link_to_create_license_file_in_empty_project_spec.rb
+++ b/spec/features/projects/files/project_owner_sees_link_to_create_license_file_in_empty_project_spec.rb
@@ -24,7 +24,7 @@ feature 'project owner sees a link to create a license file in empty project', f
     select_template('MIT License')
 
     file_content = first('.file-editor')
-    expect(file_content).to have_content('The MIT License (MIT)')
+    expect(file_content).to have_content('MIT License')
     expect(file_content).to have_content("Copyright (c) #{Time.now.year} #{project.namespace.human_name}")
 
     fill_in :commit_message, with: 'Add a LICENSE file', visible: true
@@ -34,7 +34,7 @@ feature 'project owner sees a link to create a license file in empty project', f
 
     expect(current_path).to eq(
       namespace_project_blob_path(project.namespace, project, 'master/LICENSE'))
-    expect(page).to have_content('The MIT License (MIT)')
+    expect(page).to have_content('MIT License')
     expect(page).to have_content("Copyright (c) #{Time.now.year} #{project.namespace.human_name}")
   end
 
diff --git a/spec/features/projects/import_export/export_file_spec.rb b/spec/features/projects/import_export/export_file_spec.rb
index 16dddb2a86b..40caf89dd54 100644
--- a/spec/features/projects/import_export/export_file_spec.rb
+++ b/spec/features/projects/import_export/export_file_spec.rb
@@ -9,7 +9,7 @@ feature 'Import/Export - project export integration test', feature: true, js: tr
   include ExportFileHelper
 
   let(:user) { create(:admin) }
-  let(:export_path) { "#{Dir::tmpdir}/import_file_spec" }
+  let(:export_path) { "#{Dir.tmpdir}/import_file_spec" }
   let(:config_hash) { YAML.load_file(Gitlab::ImportExport.config_file).deep_stringify_keys }
 
   let(:sensitive_words) { %w[pass secret token key] }
diff --git a/spec/features/projects/import_export/import_file_spec.rb b/spec/features/projects/import_export/import_file_spec.rb
index 3015576f6f8..2d1106ea3e8 100644
--- a/spec/features/projects/import_export/import_file_spec.rb
+++ b/spec/features/projects/import_export/import_file_spec.rb
@@ -4,7 +4,7 @@ feature 'Import/Export - project import integration test', feature: true, js: tr
   include Select2Helper
 
   let(:file) { File.join(Rails.root, 'spec', 'features', 'projects', 'import_export', 'test_project_export.tar.gz') }
-  let(:export_path) { "#{Dir::tmpdir}/import_file_spec" }
+  let(:export_path) { "#{Dir.tmpdir}/import_file_spec" }
 
   background do
     allow_any_instance_of(Gitlab::ImportExport).to receive(:storage_path).and_return(export_path)
diff --git a/spec/features/projects/import_export/namespace_export_file_spec.rb b/spec/features/projects/import_export/namespace_export_file_spec.rb
index d0bafc6168c..cb399ea55df 100644
--- a/spec/features/projects/import_export/namespace_export_file_spec.rb
+++ b/spec/features/projects/import_export/namespace_export_file_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 feature 'Import/Export - Namespace export file cleanup', feature: true, js: true do
-  let(:export_path) { "#{Dir::tmpdir}/import_file_spec" }
+  let(:export_path) { "#{Dir.tmpdir}/import_file_spec" }
   let(:config_hash) { YAML.load_file(Gitlab::ImportExport.config_file).deep_stringify_keys }
 
   let(:project) { create(:empty_project) }
diff --git a/spec/features/projects/labels/issues_sorted_by_priority_spec.rb b/spec/features/projects/labels/issues_sorted_by_priority_spec.rb
index 81b0c991d4f..7414ce21f59 100644
--- a/spec/features/projects/labels/issues_sorted_by_priority_spec.rb
+++ b/spec/features/projects/labels/issues_sorted_by_priority_spec.rb
@@ -37,7 +37,7 @@ feature 'Issue prioritization', feature: true do
       page.within('.issues-holder') do
         issue_titles = all('.issues-list .issue-title-text').map(&:text)
 
-        expect(issue_titles).to eq(['issue_4', 'issue_3', 'issue_5', 'issue_2', 'issue_1'])
+        expect(issue_titles).to eq(%w(issue_4 issue_3 issue_5 issue_2 issue_1))
       end
     end
   end
@@ -77,7 +77,7 @@ feature 'Issue prioritization', feature: true do
 
         expect(issue_titles[0..1]).to contain_exactly('issue_5', 'issue_8')
         expect(issue_titles[2..4]).to contain_exactly('issue_1', 'issue_3', 'issue_7')
-        expect(issue_titles[5..-1]).to eq(['issue_2', 'issue_4', 'issue_6'])
+        expect(issue_titles[5..-1]).to eq(%w(issue_2 issue_4 issue_6))
       end
     end
   end
diff --git a/spec/features/projects/new_project_spec.rb b/spec/features/projects/new_project_spec.rb
index b56e562b2b6..45185f2dd1f 100644
--- a/spec/features/projects/new_project_spec.rb
+++ b/spec/features/projects/new_project_spec.rb
@@ -19,6 +19,51 @@ feature "New project", feature: true do
     end
   end
 
+  context "Namespace selector" do
+    context "with user namespace" do
+      before do
+        visit new_project_path
+      end
+
+      it "selects the user namespace" do
+        namespace = find("#project_namespace_id")
+
+        expect(namespace.text).to eq user.username
+      end
+    end
+
+    context "with group namespace" do
+      let(:group) { create(:group, :private, owner: user) }
+
+      before do
+        group.add_owner(user)
+        visit new_project_path(namespace_id: group.id)
+      end
+
+      it "selects the group namespace" do
+        namespace = find("#project_namespace_id option[selected]")
+
+        expect(namespace.text).to eq group.name
+      end
+
+      context "on validation error" do
+        before do
+          fill_in('project_path', with: 'private-group-project')
+          choose('Internal')
+          click_button('Create project')
+
+          expect(page).to have_css '.project-edit-errors .alert.alert-danger'
+        end
+
+        it "selects the group namespace" do
+          namespace = find("#project_namespace_id option[selected]")
+
+          expect(namespace.text).to eq group.name
+        end
+      end
+    end
+  end
+
   context 'Import project options' do
     before do
       visit new_project_path
diff --git a/spec/features/projects/pipelines/pipeline_spec.rb b/spec/features/projects/pipelines/pipeline_spec.rb
index 0b5ccc8c515..9f06e52ab55 100644
--- a/spec/features/projects/pipelines/pipeline_spec.rb
+++ b/spec/features/projects/pipelines/pipeline_spec.rb
@@ -54,7 +54,7 @@ describe 'Pipeline', :feature, :js do
       expect(page).to have_content('Build')
       expect(page).to have_content('Test')
       expect(page).to have_content('Deploy')
-      expect(page).to have_content('Retry failed')
+      expect(page).to have_content('Retry')
       expect(page).to have_content('Cancel running')
     end
 
@@ -164,9 +164,9 @@ describe 'Pipeline', :feature, :js do
       it { expect(page).not_to have_content('retried') }
 
       context 'when retrying' do
-        before { click_on 'Retry failed' }
+        before { find('.js-retry-button').trigger('click') }
 
-        it { expect(page).not_to have_content('Retry failed') }
+        it { expect(page).not_to have_content('Retry') }
       end
     end
 
@@ -198,7 +198,7 @@ describe 'Pipeline', :feature, :js do
       expect(page).to have_content(build_failed.id)
       expect(page).to have_content(build_running.id)
       expect(page).to have_content(build_external.id)
-      expect(page).to have_content('Retry failed')
+      expect(page).to have_content('Retry')
       expect(page).to have_content('Cancel running')
       expect(page).to have_link('Play')
     end
@@ -226,9 +226,9 @@ describe 'Pipeline', :feature, :js do
       it { expect(page).not_to have_content('retried') }
 
       context 'when retrying' do
-        before { click_on 'Retry failed' }
+        before { find('.js-retry-button').trigger('click') }
 
-        it { expect(page).not_to have_content('Retry failed') }
+        it { expect(page).not_to have_content('Retry') }
         it { expect(page).to have_selector('.retried') }
       end
     end
diff --git a/spec/features/projects/pipelines/pipelines_spec.rb b/spec/features/projects/pipelines/pipelines_spec.rb
index 8d1214dedb4..592dc4483d2 100644
--- a/spec/features/projects/pipelines/pipelines_spec.rb
+++ b/spec/features/projects/pipelines/pipelines_spec.rb
@@ -26,22 +26,66 @@ describe 'Pipelines', :feature, :js do
         )
       end
 
-      [:all, :running, :branches].each do |scope|
-        context "when displaying #{scope}" do
-          before do
-            visit_project_pipelines(scope: scope)
-          end
+      context 'scope' do
+        before do
+          create(:ci_empty_pipeline, status: 'pending', project: project, sha: project.commit.id, ref: 'master')
+          create(:ci_empty_pipeline, status: 'running', project: project, sha: project.commit.id, ref: 'master')
+          create(:ci_empty_pipeline, status: 'created', project: project, sha: project.commit.id, ref: 'master')
+          create(:ci_empty_pipeline, status: 'success', project: project, sha: project.commit.id, ref: 'master')
+        end
 
-          it 'contains pipeline commit short SHA' do
-            expect(page).to have_content(pipeline.short_sha)
-          end
+        [:all, :running, :pending, :finished, :branches].each do |scope|
+          context "when displaying #{scope}" do
+            before do
+              visit_project_pipelines(scope: scope)
+            end
+
+            it 'contains pipeline commit short SHA' do
+              expect(page).to have_content(pipeline.short_sha)
+            end
 
-          it 'contains branch name' do
-            expect(page).to have_content(pipeline.ref)
+            it 'contains branch name' do
+              expect(page).to have_content(pipeline.ref)
+            end
           end
         end
       end
 
+      context 'header tabs' do
+        before do
+          visit namespace_project_pipelines_path(project.namespace, project)
+          wait_for_vue_resource
+        end
+
+        it 'shows a tab for All pipelines and count' do
+          expect(page.find('.js-pipelines-tab-all a').text).to include('All')
+          expect(page.find('.js-pipelines-tab-all .badge').text).to include('1')
+        end
+
+        it 'shows a tab for Pending pipelines and count' do
+          expect(page.find('.js-pipelines-tab-pending a').text).to include('Pending')
+          expect(page.find('.js-pipelines-tab-pending .badge').text).to include('0')
+        end
+
+        it 'shows a tab for Running pipelines and count' do
+          expect(page.find('.js-pipelines-tab-running a').text).to include('Running')
+          expect(page.find('.js-pipelines-tab-running .badge').text).to include('1')
+        end
+
+        it 'shows a tab for Finished pipelines and count' do
+          expect(page.find('.js-pipelines-tab-finished a').text).to include('Finished')
+          expect(page.find('.js-pipelines-tab-finished .badge').text).to include('0')
+        end
+
+        it 'shows a tab for Branches' do
+          expect(page.find('.js-pipelines-tab-branches a').text).to include('Branches')
+        end
+
+        it 'shows a tab for Tags' do
+          expect(page.find('.js-pipelines-tab-tags a').text).to include('Tags')
+        end
+      end
+
       context 'when pipeline is cancelable' do
         let!(:build) do
           create(:ci_build, pipeline: pipeline,
diff --git a/spec/features/projects/ref_switcher_spec.rb b/spec/features/projects/ref_switcher_spec.rb
index 4eafac1acd8..3b8f0b2d3f8 100644
--- a/spec/features/projects/ref_switcher_spec.rb
+++ b/spec/features/projects/ref_switcher_spec.rb
@@ -20,6 +20,8 @@ feature 'Ref switcher', feature: true, js: true do
       input.set 'binary'
       wait_for_ajax
 
+      expect(find('.dropdown-content ul')).to have_selector('li', count: 6)
+
       page.within '.dropdown-content ul' do
         input.native.send_keys :enter
       end
diff --git a/spec/features/search_spec.rb b/spec/features/search_spec.rb
index 0fe5a897565..7da05defa81 100644
--- a/spec/features/search_spec.rb
+++ b/spec/features/search_spec.rb
@@ -186,7 +186,7 @@ describe "Search", feature: true  do
           sleep 2
 
           expect(page).to have_selector('.merge-requests-holder')
-          expect(find('.js-assignee-search .dropdown-toggle-text')).to have_content(user.name)
+          expect(find('.filtered-search').value).to eq("assignee:@#{user.username}")
         end
 
         it 'takes user to her MR page when MR authored is clicked' do
@@ -194,7 +194,7 @@ describe "Search", feature: true  do
           sleep 2
 
           expect(page).to have_selector('.merge-requests-holder')
-          expect(find('.js-author-search .dropdown-toggle-text')).to have_content(user.name)
+          expect(find('.filtered-search').value).to eq("author:@#{user.username}")
         end
       end
 
diff --git a/spec/features/todos/todos_spec.rb b/spec/features/todos/todos_spec.rb
index fb19dac1d6a..3495091a0d5 100644
--- a/spec/features/todos/todos_spec.rb
+++ b/spec/features/todos/todos_spec.rb
@@ -171,6 +171,29 @@ describe 'Dashboard Todos', feature: true do
       end
     end
 
+    context 'User have large number of todos' do
+      before do
+        create_list(:todo, 101, :mentioned, user: user, project: project, target: issue, author: author)
+
+        login_as(user)
+        visit dashboard_todos_path
+      end
+
+      it 'shows 99+ for count >= 100 in notification' do
+        expect(page).to have_selector('.todos-pending-count', text: '99+')
+      end
+
+      it 'shows exact number in To do tab' do
+        expect(page).to have_selector('.todos-pending .badge', text: '101')
+      end
+
+      it 'shows exact number for count < 100' do
+        3.times { first('.js-done-todo').click }
+
+        expect(page).to have_selector('.todos-pending-count', text: '98')
+      end
+    end
+
     context 'User has a Build Failed todo' do
       let!(:todo) { create(:todo, :build_failed, user: user, project: project, author: author) }
 
diff --git a/spec/features/variables_spec.rb b/spec/features/variables_spec.rb
index 9a4bc027004..a362d6fd3b6 100644
--- a/spec/features/variables_spec.rb
+++ b/spec/features/variables_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe 'Project variables', js: true do
   let(:user)     { create(:user) }
   let(:project)  { create(:project) }
-  let(:variable) { create(:ci_variable, key: 'test') }
+  let(:variable) { create(:ci_variable, key: 'test_key', value: 'test value') }
 
   before do
     login_as(user)
@@ -24,11 +24,23 @@ describe 'Project variables', js: true do
     fill_in('variable_value', with: 'key value')
     click_button('Add new variable')
 
+    expect(page).to have_content('Variables were successfully updated.')
     page.within('.variables-table') do
       expect(page).to have_content('key')
     end
   end
 
+  it 'adds empty variable' do
+    fill_in('variable_key', with: 'new_key')
+    fill_in('variable_value', with: '')
+    click_button('Add new variable')
+
+    expect(page).to have_content('Variables were successfully updated.')
+    page.within('.variables-table') do
+      expect(page).to have_content('new_key')
+    end
+  end
+
   it 'reveals and hides new variable' do
     fill_in('variable_key', with: 'key')
     fill_in('variable_value', with: 'key value')
@@ -72,8 +84,20 @@ describe 'Project variables', js: true do
     fill_in('variable_value', with: 'key value')
     click_button('Save variable')
 
+    expect(page).to have_content('Variable was successfully updated.')
+    expect(project.variables.first.value).to eq('key value')
+  end
+
+  it 'edits variable with empty value' do
     page.within('.variables-table') do
-      expect(page).to have_content('key')
+      find('.btn-variable-edit').click
     end
+
+    expect(page).to have_content('Update variable')
+    fill_in('variable_value', with: '')
+    click_button('Save variable')
+
+    expect(page).to have_content('Variable was successfully updated.')
+    expect(project.variables.first.value).to eq('')
   end
 end
diff --git a/spec/finders/notes_finder_spec.rb b/spec/finders/notes_finder_spec.rb
index f8b05d4e9bc..77a04507be1 100644
--- a/spec/finders/notes_finder_spec.rb
+++ b/spec/finders/notes_finder_spec.rb
@@ -111,7 +111,7 @@ describe NotesFinder do
       end
 
       it 'raises an exception for an invalid target_type' do
-        params.merge!(target_type: 'invalid')
+        params[:target_type] = 'invalid'
         expect { described_class.new(project, user, params).execute }.to raise_error('invalid target_type')
       end
 
diff --git a/spec/finders/pipelines_finder_spec.rb b/spec/finders/pipelines_finder_spec.rb
index fdc8215aa47..6bada7b3eb9 100644
--- a/spec/finders/pipelines_finder_spec.rb
+++ b/spec/finders/pipelines_finder_spec.rb
@@ -39,8 +39,8 @@ describe PipelinesFinder do
       end
     end
 
-    # Scoping to running will speed up the test as it doesn't hit the FS
-    let(:params) { { scope: 'running' } }
+    # Scoping to pending will speed up the test as it doesn't hit the FS
+    let(:params) { { scope: 'pending' } }
 
     it 'orders in descending order on ID' do
       feature_pipeline = create(:ci_pipeline, project: project, ref: 'feature')
diff --git a/spec/fixtures/mail_room_disabled.yml b/spec/fixtures/config/mail_room_disabled.yml
index 97f8cff051f..97f8cff051f 100644
--- a/spec/fixtures/mail_room_disabled.yml
+++ b/spec/fixtures/config/mail_room_disabled.yml
diff --git a/spec/fixtures/mail_room_enabled.yml b/spec/fixtures/config/mail_room_enabled.yml
index 9c94649244d..9c94649244d 100644
--- a/spec/fixtures/mail_room_enabled.yml
+++ b/spec/fixtures/config/mail_room_enabled.yml
diff --git a/spec/helpers/auth_helper_spec.rb b/spec/helpers/auth_helper_spec.rb
index 49ea4fa6d3e..cd3281d6f51 100644
--- a/spec/helpers/auth_helper_spec.rb
+++ b/spec/helpers/auth_helper_spec.rb
@@ -55,7 +55,7 @@ describe AuthHelper do
     context 'all the button based providers are disabled via application_setting' do
       it 'returns false' do
         stub_application_setting(
-          disabled_oauth_sign_in_sources: ['github', 'twitter']
+          disabled_oauth_sign_in_sources: %w(github twitter)
         )
 
         expect(helper.button_based_providers_enabled?).to be false
diff --git a/spec/helpers/emails_helper_spec.rb b/spec/helpers/emails_helper_spec.rb
index 3223556e1d3..cd112dbb2fb 100644
--- a/spec/helpers/emails_helper_spec.rb
+++ b/spec/helpers/emails_helper_spec.rb
@@ -43,4 +43,36 @@ describe EmailsHelper do
       end
     end
   end
+
+  describe '#header_logo' do
+    context 'there is a brand item with a logo' do
+      it 'returns the brand header logo' do
+        appearance = create :appearance, header_logo: fixture_file_upload(
+          Rails.root.join('spec/fixtures/dk.png')
+        )
+
+        expect(header_logo).to eq(
+          %{<img style="height: 50px" src="/uploads/appearance/header_logo/#{appearance.id}/dk.png" alt="Dk" />}
+        )
+      end
+    end
+
+    context 'there is a brand item without a logo' do
+      it 'returns the default header logo' do
+        create :appearance, header_logo: nil
+
+        expect(header_logo).to eq(
+          %{<img alt="GitLab" src="/images/mailers/gitlab_header_logo.gif" width="55" height="50" />}
+        )
+      end
+    end
+
+    context 'there is no brand item' do
+      it 'returns the default header logo' do
+        expect(header_logo).to eq(
+          %{<img alt="GitLab" src="/images/mailers/gitlab_header_logo.gif" width="55" height="50" />}
+        )
+      end
+    end
+  end
 end
diff --git a/spec/helpers/issuables_helper_spec.rb b/spec/helpers/issuables_helper_spec.rb
index df71680e44c..93bb711f29a 100644
--- a/spec/helpers/issuables_helper_spec.rb
+++ b/spec/helpers/issuables_helper_spec.rb
@@ -51,7 +51,7 @@ describe IssuablesHelper do
           utf8: '✓',
           author_id: '11',
           assignee_id: '18',
-          label_name: ['bug', 'discussion', 'documentation'],
+          label_name: %w(bug discussion documentation),
           milestone_title: 'v4.0',
           sort: 'due_date_asc',
           namespace_id: 'gitlab-org',
diff --git a/spec/helpers/issues_helper_spec.rb b/spec/helpers/issues_helper_spec.rb
index 13fb9c1f1a7..88d853935c7 100644
--- a/spec/helpers/issues_helper_spec.rb
+++ b/spec/helpers/issues_helper_spec.rb
@@ -55,8 +55,8 @@ describe IssuesHelper do
   describe "merge_requests_sentence" do
     subject { merge_requests_sentence(merge_requests)}
     let(:merge_requests) do
-      [ build(:merge_request, iid: 1), build(:merge_request, iid: 2),
-        build(:merge_request, iid: 3)]
+      [build(:merge_request, iid: 1), build(:merge_request, iid: 2),
+       build(:merge_request, iid: 3)]
     end
 
     it { is_expected.to eq("!1, !2, or !3") }
@@ -113,7 +113,7 @@ describe IssuesHelper do
   describe "awards_sort" do
     it "sorts a hash so thumbsup and thumbsdown are always on top" do
       data = { "thumbsdown" => "some value", "lifter" => "some value", "thumbsup" => "some value" }
-      expect(awards_sort(data).keys).to eq(["thumbsup", "thumbsdown", "lifter"])
+      expect(awards_sort(data).keys).to eq(%w(thumbsup thumbsdown lifter))
     end
   end
 
diff --git a/spec/helpers/submodule_helper_spec.rb b/spec/helpers/submodule_helper_spec.rb
index 4da1569e59f..28b8def331d 100644
--- a/spec/helpers/submodule_helper_spec.rb
+++ b/spec/helpers/submodule_helper_spec.rb
@@ -20,97 +20,97 @@ describe SubmoduleHelper do
       it 'detects ssh on standard port' do
         allow(Gitlab.config.gitlab_shell).to receive(:ssh_port).and_return(22) # set this just to be sure
         allow(Gitlab.config.gitlab_shell).to receive(:ssh_path_prefix).and_return(Settings.send(:build_gitlab_shell_ssh_path_prefix))
-        stub_url([ config.user, '@', config.host, ':gitlab-org/gitlab-ce.git' ].join(''))
-        expect(submodule_links(submodule_item)).to eq([ namespace_project_path('gitlab-org', 'gitlab-ce'), namespace_project_tree_path('gitlab-org', 'gitlab-ce', 'hash') ])
+        stub_url([config.user, '@', config.host, ':gitlab-org/gitlab-ce.git'].join(''))
+        expect(submodule_links(submodule_item)).to eq([namespace_project_path('gitlab-org', 'gitlab-ce'), namespace_project_tree_path('gitlab-org', 'gitlab-ce', 'hash')])
       end
 
       it 'detects ssh on non-standard port' do
         allow(Gitlab.config.gitlab_shell).to receive(:ssh_port).and_return(2222)
         allow(Gitlab.config.gitlab_shell).to receive(:ssh_path_prefix).and_return(Settings.send(:build_gitlab_shell_ssh_path_prefix))
-        stub_url([ 'ssh://', config.user, '@', config.host, ':2222/gitlab-org/gitlab-ce.git' ].join(''))
-        expect(submodule_links(submodule_item)).to eq([ namespace_project_path('gitlab-org', 'gitlab-ce'), namespace_project_tree_path('gitlab-org', 'gitlab-ce', 'hash') ])
+        stub_url(['ssh://', config.user, '@', config.host, ':2222/gitlab-org/gitlab-ce.git'].join(''))
+        expect(submodule_links(submodule_item)).to eq([namespace_project_path('gitlab-org', 'gitlab-ce'), namespace_project_tree_path('gitlab-org', 'gitlab-ce', 'hash')])
       end
 
       it 'detects http on standard port' do
         allow(Gitlab.config.gitlab).to receive(:port).and_return(80)
         allow(Gitlab.config.gitlab).to receive(:url).and_return(Settings.send(:build_gitlab_url))
-        stub_url([ 'http://', config.host, '/gitlab-org/gitlab-ce.git' ].join(''))
-        expect(submodule_links(submodule_item)).to eq([ namespace_project_path('gitlab-org', 'gitlab-ce'), namespace_project_tree_path('gitlab-org', 'gitlab-ce', 'hash') ])
+        stub_url(['http://', config.host, '/gitlab-org/gitlab-ce.git'].join(''))
+        expect(submodule_links(submodule_item)).to eq([namespace_project_path('gitlab-org', 'gitlab-ce'), namespace_project_tree_path('gitlab-org', 'gitlab-ce', 'hash')])
       end
 
       it 'detects http on non-standard port' do
         allow(Gitlab.config.gitlab).to receive(:port).and_return(3000)
         allow(Gitlab.config.gitlab).to receive(:url).and_return(Settings.send(:build_gitlab_url))
-        stub_url([ 'http://', config.host, ':3000/gitlab-org/gitlab-ce.git' ].join(''))
-        expect(submodule_links(submodule_item)).to eq([ namespace_project_path('gitlab-org', 'gitlab-ce'), namespace_project_tree_path('gitlab-org', 'gitlab-ce', 'hash') ])
+        stub_url(['http://', config.host, ':3000/gitlab-org/gitlab-ce.git'].join(''))
+        expect(submodule_links(submodule_item)).to eq([namespace_project_path('gitlab-org', 'gitlab-ce'), namespace_project_tree_path('gitlab-org', 'gitlab-ce', 'hash')])
       end
 
       it 'works with relative_url_root' do
         allow(Gitlab.config.gitlab).to receive(:port).and_return(80) # set this just to be sure
         allow(Gitlab.config.gitlab).to receive(:relative_url_root).and_return('/gitlab/root')
         allow(Gitlab.config.gitlab).to receive(:url).and_return(Settings.send(:build_gitlab_url))
-        stub_url([ 'http://', config.host, '/gitlab/root/gitlab-org/gitlab-ce.git' ].join(''))
-        expect(submodule_links(submodule_item)).to eq([ namespace_project_path('gitlab-org', 'gitlab-ce'), namespace_project_tree_path('gitlab-org', 'gitlab-ce', 'hash') ])
+        stub_url(['http://', config.host, '/gitlab/root/gitlab-org/gitlab-ce.git'].join(''))
+        expect(submodule_links(submodule_item)).to eq([namespace_project_path('gitlab-org', 'gitlab-ce'), namespace_project_tree_path('gitlab-org', 'gitlab-ce', 'hash')])
       end
     end
 
     context 'submodule on github.com' do
       it 'detects ssh' do
         stub_url('git@github.com:gitlab-org/gitlab-ce.git')
-        expect(submodule_links(submodule_item)).to eq([ 'https://github.com/gitlab-org/gitlab-ce', 'https://github.com/gitlab-org/gitlab-ce/tree/hash' ])
+        expect(submodule_links(submodule_item)).to eq(['https://github.com/gitlab-org/gitlab-ce', 'https://github.com/gitlab-org/gitlab-ce/tree/hash'])
       end
 
       it 'detects http' do
         stub_url('http://github.com/gitlab-org/gitlab-ce.git')
-        expect(submodule_links(submodule_item)).to eq([ 'https://github.com/gitlab-org/gitlab-ce', 'https://github.com/gitlab-org/gitlab-ce/tree/hash' ])
+        expect(submodule_links(submodule_item)).to eq(['https://github.com/gitlab-org/gitlab-ce', 'https://github.com/gitlab-org/gitlab-ce/tree/hash'])
       end
 
       it 'detects https' do
         stub_url('https://github.com/gitlab-org/gitlab-ce.git')
-        expect(submodule_links(submodule_item)).to eq([ 'https://github.com/gitlab-org/gitlab-ce', 'https://github.com/gitlab-org/gitlab-ce/tree/hash' ])
+        expect(submodule_links(submodule_item)).to eq(['https://github.com/gitlab-org/gitlab-ce', 'https://github.com/gitlab-org/gitlab-ce/tree/hash'])
       end
 
       it 'returns original with non-standard url' do
         stub_url('http://github.com/gitlab-org/gitlab-ce')
-        expect(submodule_links(submodule_item)).to eq([ repo.submodule_url_for, nil ])
+        expect(submodule_links(submodule_item)).to eq([repo.submodule_url_for, nil])
 
         stub_url('http://github.com/another/gitlab-org/gitlab-ce.git')
-        expect(submodule_links(submodule_item)).to eq([ repo.submodule_url_for, nil ])
+        expect(submodule_links(submodule_item)).to eq([repo.submodule_url_for, nil])
       end
     end
 
     context 'submodule on gitlab.com' do
       it 'detects ssh' do
         stub_url('git@gitlab.com:gitlab-org/gitlab-ce.git')
-        expect(submodule_links(submodule_item)).to eq([ 'https://gitlab.com/gitlab-org/gitlab-ce', 'https://gitlab.com/gitlab-org/gitlab-ce/tree/hash' ])
+        expect(submodule_links(submodule_item)).to eq(['https://gitlab.com/gitlab-org/gitlab-ce', 'https://gitlab.com/gitlab-org/gitlab-ce/tree/hash'])
       end
 
       it 'detects http' do
         stub_url('http://gitlab.com/gitlab-org/gitlab-ce.git')
-        expect(submodule_links(submodule_item)).to eq([ 'https://gitlab.com/gitlab-org/gitlab-ce', 'https://gitlab.com/gitlab-org/gitlab-ce/tree/hash' ])
+        expect(submodule_links(submodule_item)).to eq(['https://gitlab.com/gitlab-org/gitlab-ce', 'https://gitlab.com/gitlab-org/gitlab-ce/tree/hash'])
       end
 
       it 'detects https' do
         stub_url('https://gitlab.com/gitlab-org/gitlab-ce.git')
-        expect(submodule_links(submodule_item)).to eq([ 'https://gitlab.com/gitlab-org/gitlab-ce', 'https://gitlab.com/gitlab-org/gitlab-ce/tree/hash' ])
+        expect(submodule_links(submodule_item)).to eq(['https://gitlab.com/gitlab-org/gitlab-ce', 'https://gitlab.com/gitlab-org/gitlab-ce/tree/hash'])
       end
 
       it 'returns original with non-standard url' do
         stub_url('http://gitlab.com/gitlab-org/gitlab-ce')
-        expect(submodule_links(submodule_item)).to eq([ repo.submodule_url_for, nil ])
+        expect(submodule_links(submodule_item)).to eq([repo.submodule_url_for, nil])
 
         stub_url('http://gitlab.com/another/gitlab-org/gitlab-ce.git')
-        expect(submodule_links(submodule_item)).to eq([ repo.submodule_url_for, nil ])
+        expect(submodule_links(submodule_item)).to eq([repo.submodule_url_for, nil])
       end
     end
 
     context 'submodule on unsupported' do
       it 'returns original' do
         stub_url('http://mygitserver.com/gitlab-org/gitlab-ce')
-        expect(submodule_links(submodule_item)).to eq([ repo.submodule_url_for, nil ])
+        expect(submodule_links(submodule_item)).to eq([repo.submodule_url_for, nil])
 
         stub_url('http://mygitserver.com/gitlab-org/gitlab-ce.git')
-        expect(submodule_links(submodule_item)).to eq([ repo.submodule_url_for, nil ])
+        expect(submodule_links(submodule_item)).to eq([repo.submodule_url_for, nil])
       end
     end
 
diff --git a/spec/helpers/version_check_helper_spec.rb b/spec/helpers/version_check_helper_spec.rb
new file mode 100644
index 00000000000..889fe441171
--- /dev/null
+++ b/spec/helpers/version_check_helper_spec.rb
@@ -0,0 +1,34 @@
+require 'spec_helper'
+
+describe VersionCheckHelper do
+  describe '#version_status_badge' do
+    it 'should return nil if not dev environment and not enabled' do
+      allow(Rails.env).to receive(:production?) { false }
+      allow(current_application_settings).to receive(:version_check_enabled) { false }
+
+      expect(helper.version_status_badge).to be(nil)
+    end
+
+    context 'when production and enabled' do
+      before do
+        allow(Rails.env).to receive(:production?) { true }
+        allow(current_application_settings).to receive(:version_check_enabled) { true }
+        allow_any_instance_of(VersionCheck).to receive(:url) { 'https://version.host.com/check.svg?gitlab_info=xxx' }
+
+        @image_tag = helper.version_status_badge
+      end
+
+      it 'should return an image tag' do
+        expect(@image_tag).to match(/^<img/)
+      end
+
+      it 'should have a js prefixed css class' do
+        expect(@image_tag).to match(/class="js-version-status-badge"/)
+      end
+
+      it 'should have a VersionCheck url as the src' do
+        expect(@image_tag).to match(/src="https:\/\/version\.host\.com\/check\.svg\?gitlab_info=xxx"/)
+      end
+    end
+  end
+end
diff --git a/spec/initializers/trusted_proxies_spec.rb b/spec/initializers/trusted_proxies_spec.rb
index 290e47763eb..ff8b8daa347 100644
--- a/spec/initializers/trusted_proxies_spec.rb
+++ b/spec/initializers/trusted_proxies_spec.rb
@@ -27,7 +27,7 @@ describe 'trusted_proxies', lib: true do
 
   context 'with private IP ranges added' do
     before do
-      set_trusted_proxies([ "10.0.0.0/8", "172.16.0.0/12", "192.168.0.0/16" ])
+      set_trusted_proxies(["10.0.0.0/8", "172.16.0.0/12", "192.168.0.0/16"])
     end
 
     it 'filters out private and local IPs' do
@@ -39,7 +39,7 @@ describe 'trusted_proxies', lib: true do
 
   context 'with proxy IP added' do
     before do
-      set_trusted_proxies([ "60.98.25.47" ])
+      set_trusted_proxies(["60.98.25.47"])
     end
 
     it 'filters out proxy IP' do
diff --git a/spec/javascripts/.eslintrc b/spec/javascripts/.eslintrc
index fbd9bb9f0ff..3d922021978 100644
--- a/spec/javascripts/.eslintrc
+++ b/spec/javascripts/.eslintrc
@@ -18,7 +18,8 @@
     "sandbox": false,
     "setFixtures": false,
     "setStyleFixtures": false,
-    "spyOnEvent": false
+    "spyOnEvent": false,
+    "ClassSpecHelper": false
   },
   "plugins": ["jasmine"],
   "rules": {
diff --git a/spec/javascripts/ajax_loading_spinner_spec.js b/spec/javascripts/ajax_loading_spinner_spec.js
new file mode 100644
index 00000000000..a68bccb16f4
--- /dev/null
+++ b/spec/javascripts/ajax_loading_spinner_spec.js
@@ -0,0 +1,58 @@
+require('~/extensions/array');
+require('jquery');
+require('jquery-ujs');
+require('~/ajax_loading_spinner');
+
+describe('Ajax Loading Spinner', () => {
+  const fixtureTemplate = 'static/ajax_loading_spinner.html.raw';
+  preloadFixtures(fixtureTemplate);
+
+  beforeEach(() => {
+    loadFixtures(fixtureTemplate);
+    gl.AjaxLoadingSpinner.init();
+  });
+
+  it('change current icon with spinner icon and disable link while waiting ajax response', (done) => {
+    spyOn(jQuery, 'ajax').and.callFake((req) => {
+      const xhr = new XMLHttpRequest();
+      const ajaxLoadingSpinner = document.querySelector('.js-ajax-loading-spinner');
+      const icon = ajaxLoadingSpinner.querySelector('i');
+
+      req.beforeSend(xhr, { dataType: 'text/html' });
+
+      expect(icon).not.toHaveClass('fa-trash-o');
+      expect(icon).toHaveClass('fa-spinner');
+      expect(icon).toHaveClass('fa-spin');
+      expect(icon.dataset.icon).toEqual('fa-trash-o');
+      expect(ajaxLoadingSpinner.getAttribute('disabled')).toEqual('');
+
+      req.complete({});
+
+      done();
+      const deferred = $.Deferred();
+      return deferred.promise();
+    });
+    document.querySelector('.js-ajax-loading-spinner').click();
+  });
+
+  it('use original icon again and enabled the link after complete the ajax request', (done) => {
+    spyOn(jQuery, 'ajax').and.callFake((req) => {
+      const xhr = new XMLHttpRequest();
+      const ajaxLoadingSpinner = document.querySelector('.js-ajax-loading-spinner');
+
+      req.beforeSend(xhr, { dataType: 'text/html' });
+      req.complete({});
+
+      const icon = ajaxLoadingSpinner.querySelector('i');
+      expect(icon).toHaveClass('fa-trash-o');
+      expect(icon).not.toHaveClass('fa-spinner');
+      expect(icon).not.toHaveClass('fa-spin');
+      expect(ajaxLoadingSpinner.getAttribute('disabled')).toEqual(null);
+
+      done();
+      const deferred = $.Deferred();
+      return deferred.promise();
+    });
+    document.querySelector('.js-ajax-loading-spinner').click();
+  });
+});
diff --git a/spec/javascripts/fixtures/ajax_loading_spinner.html.haml b/spec/javascripts/fixtures/ajax_loading_spinner.html.haml
new file mode 100644
index 00000000000..09d8c9df3b2
--- /dev/null
+++ b/spec/javascripts/fixtures/ajax_loading_spinner.html.haml
@@ -0,0 +1,2 @@
+%a.js-ajax-loading-spinner{href: "http://goesnowhere.nothing/whereami", data: {remote: true}}
+  %i.fa.fa-trash-o
diff --git a/spec/javascripts/header_spec.js b/spec/javascripts/header_spec.js
index 576b6cfefdc..46a27b8c98f 100644
--- a/spec/javascripts/header_spec.js
+++ b/spec/javascripts/header_spec.js
@@ -45,8 +45,8 @@ require('~/lib/utils/text_utility');
         expect(isTodosCountHidden()).toEqual(false);
       });
 
-      it('should add delimiter to todos-pending-count', function() {
-        expect($(todosPendingCount).text()).toEqual('1,000');
+      it('should show 99+ for todos-pending-count', function() {
+        expect($(todosPendingCount).text()).toEqual('99+');
       });
     });
   });
diff --git a/spec/javascripts/helpers/class_spec_helper.js.es6 b/spec/javascripts/helpers/class_spec_helper.js.es6
index d3c37d39431..61db27a8fcc 100644
--- a/spec/javascripts/helpers/class_spec_helper.js.es6
+++ b/spec/javascripts/helpers/class_spec_helper.js.es6
@@ -7,3 +7,5 @@ class ClassSpecHelper {
 }
 
 window.ClassSpecHelper = ClassSpecHelper;
+
+module.exports = ClassSpecHelper;
diff --git a/spec/javascripts/lib/utils/text_utility_spec.js.es6 b/spec/javascripts/lib/utils/text_utility_spec.js.es6
index 86ade66ec29..06b69b8ac17 100644
--- a/spec/javascripts/lib/utils/text_utility_spec.js.es6
+++ b/spec/javascripts/lib/utils/text_utility_spec.js.es6
@@ -35,5 +35,16 @@ require('~/lib/utils/text_utility');
         expect(gl.text.pluralize('test', 1)).toBe('test');
       });
     });
+
+    describe('gl.text.highCountTrim', () => {
+      it('returns 99+ for count >= 100', () => {
+        expect(gl.text.highCountTrim(105)).toBe('99+');
+        expect(gl.text.highCountTrim(100)).toBe('99+');
+      });
+
+      it('returns exact number for count < 100', () => {
+        expect(gl.text.highCountTrim(45)).toBe(45);
+      });
+    });
   });
 })();
diff --git a/spec/javascripts/search_autocomplete_spec.js b/spec/javascripts/search_autocomplete_spec.js
index cb8754581c0..aaf058bd755 100644
--- a/spec/javascripts/search_autocomplete_spec.js
+++ b/spec/javascripts/search_autocomplete_spec.js
@@ -89,8 +89,8 @@ require('vendor/fuzzaldrin-plus');
     var a1, a2, a3, a4, issuesAssignedToMeLink, issuesIHaveCreatedLink, mrsAssignedToMeLink, mrsIHaveCreatedLink;
     issuesAssignedToMeLink = issuesPath + "/?assignee_username=" + userName;
     issuesIHaveCreatedLink = issuesPath + "/?author_username=" + userName;
-    mrsAssignedToMeLink = mrsPath + "/?assignee_id=" + userId;
-    mrsIHaveCreatedLink = mrsPath + "/?author_id=" + userId;
+    mrsAssignedToMeLink = mrsPath + "/?assignee_username=" + userName;
+    mrsIHaveCreatedLink = mrsPath + "/?author_username=" + userName;
     a1 = "a[href='" + issuesAssignedToMeLink + "']";
     a2 = "a[href='" + issuesIHaveCreatedLink + "']";
     a3 = "a[href='" + mrsAssignedToMeLink + "']";
diff --git a/spec/javascripts/version_check_image_spec.js.es6 b/spec/javascripts/version_check_image_spec.js.es6
new file mode 100644
index 00000000000..464c1fce210
--- /dev/null
+++ b/spec/javascripts/version_check_image_spec.js.es6
@@ -0,0 +1,33 @@
+const ClassSpecHelper = require('./helpers/class_spec_helper');
+const VersionCheckImage = require('~/version_check_image');
+require('jquery');
+
+describe('VersionCheckImage', function () {
+  describe('.bindErrorEvent', function () {
+    ClassSpecHelper.itShouldBeAStaticMethod(VersionCheckImage, 'bindErrorEvent');
+
+    beforeEach(function () {
+      this.imageElement = $('<div></div>');
+    });
+
+    it('registers an error event', function () {
+      spyOn($.prototype, 'on');
+      spyOn($.prototype, 'off').and.callFake(function () { return this; });
+
+      VersionCheckImage.bindErrorEvent(this.imageElement);
+
+      expect($.prototype.off).toHaveBeenCalledWith('error');
+      expect($.prototype.on).toHaveBeenCalledWith('error', jasmine.any(Function));
+    });
+
+    it('hides the imageElement on error', function () {
+      spyOn($.prototype, 'hide');
+
+      VersionCheckImage.bindErrorEvent(this.imageElement);
+
+      this.imageElement.trigger('error');
+
+      expect($.prototype.hide).toHaveBeenCalled();
+    });
+  });
+});
diff --git a/spec/lib/bitbucket/collection_spec.rb b/spec/lib/bitbucket/collection_spec.rb
index 015a7f80e03..9008cb3e870 100644
--- a/spec/lib/bitbucket/collection_spec.rb
+++ b/spec/lib/bitbucket/collection_spec.rb
@@ -19,6 +19,6 @@ describe Bitbucket::Collection do
   it "iterates paginator" do
     collection = described_class.new(TestPaginator.new)
 
-    expect(collection.to_a).to match(["result_1_page_1", "result_2_page_1", "result_1_page_2", "result_2_page_2"])
+    expect(collection.to_a).to match(%w(result_1_page_1 result_2_page_1 result_1_page_2 result_2_page_2))
   end
 end
diff --git a/spec/lib/bitbucket/representation/repo_spec.rb b/spec/lib/bitbucket/representation/repo_spec.rb
index adcd978e1b3..405265cc669 100644
--- a/spec/lib/bitbucket/representation/repo_spec.rb
+++ b/spec/lib/bitbucket/representation/repo_spec.rb
@@ -29,7 +29,7 @@ describe Bitbucket::Representation::Repo do
   end
 
   describe '#owner_and_slug' do
-    it { expect(described_class.new({ 'full_name' => 'ben/test' }).owner_and_slug).to eq(['ben', 'test']) }
+    it { expect(described_class.new({ 'full_name' => 'ben/test' }).owner_and_slug).to eq(%w(ben test)) }
   end
 
   describe '#owner' do
@@ -42,7 +42,7 @@ describe Bitbucket::Representation::Repo do
 
   describe '#clone_url' do
     it 'builds url' do
-      data = { 'links' => { 'clone' => [ { 'name' => 'https', 'href' => 'https://bibucket.org/test/test.git' }] } }
+      data = { 'links' => { 'clone' => [{ 'name' => 'https', 'href' => 'https://bibucket.org/test/test.git' }] } }
       expect(described_class.new(data).clone_url('abc')).to eq('https://x-token-auth:abc@bibucket.org/test/test.git')
     end
   end
diff --git a/spec/lib/ci/gitlab_ci_yaml_processor_spec.rb b/spec/lib/ci/gitlab_ci_yaml_processor_spec.rb
index 68ad429608d..7145f0da1d3 100644
--- a/spec/lib/ci/gitlab_ci_yaml_processor_spec.rb
+++ b/spec/lib/ci/gitlab_ci_yaml_processor_spec.rb
@@ -96,7 +96,7 @@ module Ci
         it "returns builds if only has a list of branches including specified" do
           config = YAML.dump({
                                before_script: ["pwd"],
-                               rspec: { script: "rspec", type: type, only: ["master", "deploy"] }
+                               rspec: { script: "rspec", type: type, only: %w(master deploy) }
                              })
 
           config_processor = GitlabCiYamlProcessor.new(config, path)
@@ -173,8 +173,8 @@ module Ci
         it "returns build only for specified type" do
           config = YAML.dump({
                                before_script: ["pwd"],
-                               rspec: { script: "rspec", type: "test", only: ["master", "deploy"] },
-                               staging: { script: "deploy", type: "deploy", only: ["master", "deploy"] },
+                               rspec: { script: "rspec", type: "test", only: %w(master deploy) },
+                               staging: { script: "deploy", type: "deploy", only: %w(master deploy) },
                                production: { script: "deploy", type: "deploy", only: ["master@path", "deploy"] },
                              })
 
@@ -252,7 +252,7 @@ module Ci
         it "does not return builds if except has a list of branches including specified" do
           config = YAML.dump({
                                before_script: ["pwd"],
-                               rspec: { script: "rspec", type: type, except: ["master", "deploy"] }
+                               rspec: { script: "rspec", type: type, except: %w(master deploy) }
                              })
 
           config_processor = GitlabCiYamlProcessor.new(config, path)
@@ -580,7 +580,7 @@ module Ci
         context 'when syntax is incorrect' do
           context 'when variables defined but invalid' do
             let(:variables) do
-              [ 'VAR1', 'value1', 'VAR2', 'value2' ]
+              %w(VAR1 value1 VAR2 value2)
             end
 
             it 'raises error' do
@@ -909,7 +909,7 @@ module Ci
       end
 
       context 'dependencies to builds' do
-        let(:dependencies) { ['build1', 'build2'] }
+        let(:dependencies) { %w(build1 build2) }
 
         it { expect { subject }.not_to raise_error }
       end
@@ -1215,7 +1215,7 @@ EOT
       end
 
       it "returns errors if job stage is not a defined stage" do
-        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", type: "acceptance" } })
+        config = YAML.dump({ types: %w(build test), rspec: { script: "test", type: "acceptance" } })
         expect do
           GitlabCiYamlProcessor.new(config, path)
         end.to raise_error(GitlabCiYamlProcessor::ValidationError, "rspec job: stage parameter should be build, test")
@@ -1257,42 +1257,42 @@ EOT
       end
 
       it "returns errors if job artifacts:name is not an a string" do
-        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", artifacts: { name: 1 } } })
+        config = YAML.dump({ types: %w(build test), rspec: { script: "test", artifacts: { name: 1 } } })
         expect do
           GitlabCiYamlProcessor.new(config)
         end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:artifacts name should be a string")
       end
 
       it "returns errors if job artifacts:when is not an a predefined value" do
-        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", artifacts: { when: 1 } } })
+        config = YAML.dump({ types: %w(build test), rspec: { script: "test", artifacts: { when: 1 } } })
         expect do
           GitlabCiYamlProcessor.new(config)
         end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:artifacts when should be on_success, on_failure or always")
       end
 
       it "returns errors if job artifacts:expire_in is not an a string" do
-        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", artifacts: { expire_in: 1 } } })
+        config = YAML.dump({ types: %w(build test), rspec: { script: "test", artifacts: { expire_in: 1 } } })
         expect do
           GitlabCiYamlProcessor.new(config)
         end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:artifacts expire in should be a duration")
       end
 
       it "returns errors if job artifacts:expire_in is not an a valid duration" do
-        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", artifacts: { expire_in: "7 elephants" } } })
+        config = YAML.dump({ types: %w(build test), rspec: { script: "test", artifacts: { expire_in: "7 elephants" } } })
         expect do
           GitlabCiYamlProcessor.new(config)
         end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:artifacts expire in should be a duration")
       end
 
       it "returns errors if job artifacts:untracked is not an array of strings" do
-        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", artifacts: { untracked: "string" } } })
+        config = YAML.dump({ types: %w(build test), rspec: { script: "test", artifacts: { untracked: "string" } } })
         expect do
           GitlabCiYamlProcessor.new(config)
         end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:artifacts untracked should be a boolean value")
       end
 
       it "returns errors if job artifacts:paths is not an array of strings" do
-        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", artifacts: { paths: "string" } } })
+        config = YAML.dump({ types: %w(build test), rspec: { script: "test", artifacts: { paths: "string" } } })
         expect do
           GitlabCiYamlProcessor.new(config)
         end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:artifacts paths should be an array of strings")
@@ -1320,28 +1320,28 @@ EOT
       end
 
       it "returns errors if job cache:key is not an a string" do
-        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", cache: { key: 1 } } })
+        config = YAML.dump({ types: %w(build test), rspec: { script: "test", cache: { key: 1 } } })
         expect do
           GitlabCiYamlProcessor.new(config)
         end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:cache:key config should be a string or symbol")
       end
 
       it "returns errors if job cache:untracked is not an array of strings" do
-        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", cache: { untracked: "string" } } })
+        config = YAML.dump({ types: %w(build test), rspec: { script: "test", cache: { untracked: "string" } } })
         expect do
           GitlabCiYamlProcessor.new(config)
         end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:cache:untracked config should be a boolean value")
       end
 
       it "returns errors if job cache:paths is not an array of strings" do
-        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", cache: { paths: "string" } } })
+        config = YAML.dump({ types: %w(build test), rspec: { script: "test", cache: { paths: "string" } } })
         expect do
           GitlabCiYamlProcessor.new(config)
         end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec:cache:paths config should be an array of strings")
       end
 
       it "returns errors if job dependencies is not an array of strings" do
-        config = YAML.dump({ types: ["build", "test"], rspec: { script: "test", dependencies: "string" } })
+        config = YAML.dump({ types: %w(build test), rspec: { script: "test", dependencies: "string" } })
         expect do
           GitlabCiYamlProcessor.new(config)
         end.to raise_error(GitlabCiYamlProcessor::ValidationError, "jobs:rspec dependencies should be an array of strings")
diff --git a/spec/lib/expand_variables_spec.rb b/spec/lib/expand_variables_spec.rb
index 90bc7dad379..730ca1f7c0a 100644
--- a/spec/lib/expand_variables_spec.rb
+++ b/spec/lib/expand_variables_spec.rb
@@ -7,58 +7,49 @@ describe ExpandVariables do
     tests = [
       { value: 'key',
         result: 'key',
-        variables: []
-      },
+        variables: [] },
       { value: 'key$variable',
         result: 'key',
-        variables: []
-      },
+        variables: [] },
       { value: 'key$variable',
         result: 'keyvalue',
         variables: [
           { key: 'variable', value: 'value' }
-        ]
-      },
+        ] },
       { value: 'key${variable}',
         result: 'keyvalue',
         variables: [
           { key: 'variable', value: 'value' }
-        ]
-      },
+        ] },
       { value: 'key$variable$variable2',
         result: 'keyvalueresult',
         variables: [
           { key: 'variable', value: 'value' },
           { key: 'variable2', value: 'result' },
-        ]
-      },
+        ] },
       { value: 'key${variable}${variable2}',
         result: 'keyvalueresult',
         variables: [
           { key: 'variable', value: 'value' },
           { key: 'variable2', value: 'result' }
-        ]
-      },
+        ] },
       { value: 'key$variable2$variable',
         result: 'keyresultvalue',
         variables: [
           { key: 'variable', value: 'value' },
           { key: 'variable2', value: 'result' },
-        ]
-      },
+        ] },
       { value: 'key${variable2}${variable}',
         result: 'keyresultvalue',
         variables: [
           { key: 'variable', value: 'value' },
           { key: 'variable2', value: 'result' }
-        ]
-      },
+        ] },
       { value: 'review/$CI_BUILD_REF_NAME',
         result: 'review/feature/add-review-apps',
         variables: [
           { key: 'CI_BUILD_REF_NAME', value: 'feature/add-review-apps' }
-        ]
-      },
+        ] },
     ]
 
     tests.each do |test|
diff --git a/spec/lib/extracts_path_spec.rb b/spec/lib/extracts_path_spec.rb
index 29c07655ae8..33ab005667a 100644
--- a/spec/lib/extracts_path_spec.rb
+++ b/spec/lib/extracts_path_spec.rb
@@ -177,12 +177,12 @@ describe ExtractsPath, lib: true do
 
       it "extracts a valid commit SHA" do
         expect(extract_ref('f4b14494ef6abf3d144c28e4af0c20143383e062/CHANGELOG')).to eq(
-          ['f4b14494ef6abf3d144c28e4af0c20143383e062', 'CHANGELOG']
+          %w(f4b14494ef6abf3d144c28e4af0c20143383e062 CHANGELOG)
         )
       end
 
       it "falls back to a primitive split for an invalid ref" do
-        expect(extract_ref('stable/CHANGELOG')).to eq(['stable', 'CHANGELOG'])
+        expect(extract_ref('stable/CHANGELOG')).to eq(%w(stable CHANGELOG))
       end
     end
   end
diff --git a/spec/lib/gitlab/badge/shared/metadata.rb b/spec/lib/gitlab/badge/shared/metadata.rb
index 0cf18514251..63c7ca5a915 100644
--- a/spec/lib/gitlab/badge/shared/metadata.rb
+++ b/spec/lib/gitlab/badge/shared/metadata.rb
@@ -18,4 +18,14 @@ shared_examples 'badge metadata' do
     it { is_expected.to include metadata.image_url }
     it { is_expected.to include metadata.link_url }
   end
+
+  describe '#to_asciidoc' do
+    subject { metadata.to_asciidoc }
+
+    it { is_expected.to include metadata.image_url }
+    it { is_expected.to include metadata.link_url }
+    it { is_expected.to include 'image:' }
+    it { is_expected.to include 'link=' }
+    it { is_expected.to include 'title=' }
+  end
 end
diff --git a/spec/lib/gitlab/bitbucket_import/importer_spec.rb b/spec/lib/gitlab/bitbucket_import/importer_spec.rb
index 0a2fe5af2c3..a7ee7f53a6b 100644
--- a/spec/lib/gitlab/bitbucket_import/importer_spec.rb
+++ b/spec/lib/gitlab/bitbucket_import/importer_spec.rb
@@ -87,10 +87,10 @@ describe Gitlab::BitbucketImport::Importer, lib: true do
                   body: issues_statuses_sample_data.to_json)
 
       stub_request(:get, "https://api.bitbucket.org/2.0/repositories/namespace/repo?pagelen=50&sort=created_on").
-         with(headers: { 'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Authorization' => 'Bearer', 'User-Agent' => 'Faraday v0.9.2' }).
-         to_return(status: 200,
-                   body: "",
-                   headers: {})
+        with(headers: { 'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Authorization' => 'Bearer', 'User-Agent' => 'Faraday v0.9.2' }).
+        to_return(status: 200,
+                  body: "",
+                  headers: {})
 
       sample_issues_statuses.each_with_index do |issue, index|
         stub_request(
diff --git a/spec/lib/gitlab/chat_commands/presenters/issue_show_spec.rb b/spec/lib/gitlab/chat_commands/presenters/issue_show_spec.rb
index 5b678d31fce..3916fc704a4 100644
--- a/spec/lib/gitlab/chat_commands/presenters/issue_show_spec.rb
+++ b/spec/lib/gitlab/chat_commands/presenters/issue_show_spec.rb
@@ -26,6 +26,21 @@ describe Gitlab::ChatCommands::Presenters::IssueShow do
     end
   end
 
+  context 'with labels' do
+    let(:label) { create(:label, project: project, title: 'mep') }
+    let(:label1) { create(:label, project: project, title: 'mop') }
+
+    before do
+      issue.labels << [label, label1]
+    end
+
+    it 'shows the labels' do
+      labels = attachment[:fields].find { |f| f[:title] == 'Labels' }
+
+      expect(labels[:value]).to eq("mep, mop")
+    end
+  end
+
   context 'confidential issue' do
     let(:issue) { create(:issue, project: project) }
 
diff --git a/spec/lib/gitlab/ci/config/entry/commands_spec.rb b/spec/lib/gitlab/ci/config/entry/commands_spec.rb
index b8b0825a1c7..afa4a089418 100644
--- a/spec/lib/gitlab/ci/config/entry/commands_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/commands_spec.rb
@@ -4,7 +4,7 @@ describe Gitlab::Ci::Config::Entry::Commands do
   let(:entry) { described_class.new(config) }
 
   context 'when entry config value is an array' do
-    let(:config) { ['ls', 'pwd'] }
+    let(:config) { %w(ls pwd) }
 
     describe '#value' do
       it 'returns array of strings' do
diff --git a/spec/lib/gitlab/ci/config/entry/factory_spec.rb b/spec/lib/gitlab/ci/config/entry/factory_spec.rb
index 00dad5d9591..3395b3c645b 100644
--- a/spec/lib/gitlab/ci/config/entry/factory_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/factory_spec.rb
@@ -8,20 +8,20 @@ describe Gitlab::Ci::Config::Entry::Factory do
     context 'when setting a concrete value' do
       it 'creates entry with valid value' do
         entry = factory
-          .value(['ls', 'pwd'])
+          .value(%w(ls pwd))
           .create!
 
-        expect(entry.value).to eq ['ls', 'pwd']
+        expect(entry.value).to eq %w(ls pwd)
       end
 
       context 'when setting description' do
         it 'creates entry with description' do
           entry = factory
-            .value(['ls', 'pwd'])
+            .value(%w(ls pwd))
             .with(description: 'test description')
             .create!
 
-          expect(entry.value).to eq ['ls', 'pwd']
+          expect(entry.value).to eq %w(ls pwd)
           expect(entry.description).to eq 'test description'
         end
       end
@@ -29,7 +29,7 @@ describe Gitlab::Ci::Config::Entry::Factory do
       context 'when setting key' do
         it 'creates entry with custom key' do
           entry = factory
-            .value(['ls', 'pwd'])
+            .value(%w(ls pwd))
             .with(key: 'test key')
             .create!
 
diff --git a/spec/lib/gitlab/ci/config/entry/global_spec.rb b/spec/lib/gitlab/ci/config/entry/global_spec.rb
index 432a99dce33..ebd80ac5e1d 100644
--- a/spec/lib/gitlab/ci/config/entry/global_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/global_spec.rb
@@ -21,12 +21,12 @@ describe Gitlab::Ci::Config::Entry::Global do
   context 'when configuration is valid' do
     context 'when some entries defined' do
       let(:hash) do
-        { before_script: ['ls', 'pwd'],
+        { before_script: %w(ls pwd),
           image: 'ruby:2.2',
           services: ['postgres:9.1', 'mysql:5.5'],
           variables: { VAR: 'value' },
           after_script: ['make clean'],
-          stages: ['build', 'pages'],
+          stages: %w(build pages),
           cache: { key: 'k', untracked: true, paths: ['public/'] },
           rspec: { script: %w[rspec ls] },
           spinach: { before_script: [], variables: {}, script: 'spinach' } }
@@ -89,7 +89,7 @@ describe Gitlab::Ci::Config::Entry::Global do
 
         describe '#before_script_value' do
           it 'returns correct script' do
-            expect(global.before_script_value).to eq ['ls', 'pwd']
+            expect(global.before_script_value).to eq %w(ls pwd)
           end
         end
 
@@ -126,7 +126,7 @@ describe Gitlab::Ci::Config::Entry::Global do
 
           context 'when deprecated types key defined' do
             let(:hash) do
-              { types: ['test', 'deploy'],
+              { types: %w(test deploy),
                 rspec: { script: 'rspec' } }
             end
 
@@ -148,7 +148,7 @@ describe Gitlab::Ci::Config::Entry::Global do
             expect(global.jobs_value).to eq(
               rspec: { name: :rspec,
                        script: %w[rspec ls],
-                       before_script: ['ls', 'pwd'],
+                       before_script: %w(ls pwd),
                        commands: "ls\npwd\nrspec\nls",
                        image: 'ruby:2.2',
                        services: ['postgres:9.1', 'mysql:5.5'],
diff --git a/spec/lib/gitlab/ci/config/entry/key_spec.rb b/spec/lib/gitlab/ci/config/entry/key_spec.rb
index a55e5b4b8ac..0dd36fe1f44 100644
--- a/spec/lib/gitlab/ci/config/entry/key_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/key_spec.rb
@@ -21,7 +21,7 @@ describe Gitlab::Ci::Config::Entry::Key do
     end
 
     context 'when entry value is not correct' do
-      let(:config) { [ 'incorrect' ] }
+      let(:config) { ['incorrect'] }
 
       describe '#errors' do
         it 'saves errors' do
diff --git a/spec/lib/gitlab/ci/config/entry/paths_spec.rb b/spec/lib/gitlab/ci/config/entry/paths_spec.rb
index e60c9aaf661..1d9c5ddee9b 100644
--- a/spec/lib/gitlab/ci/config/entry/paths_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/paths_spec.rb
@@ -21,7 +21,7 @@ describe Gitlab::Ci::Config::Entry::Paths do
     end
 
     context 'when entry value is not valid' do
-      let(:config) { [ 1 ] }
+      let(:config) { [1] }
 
       describe '#errors' do
         it 'saves errors' do
diff --git a/spec/lib/gitlab/ci/config/entry/script_spec.rb b/spec/lib/gitlab/ci/config/entry/script_spec.rb
index aa99cee2690..069eaa26422 100644
--- a/spec/lib/gitlab/ci/config/entry/script_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/script_spec.rb
@@ -5,7 +5,7 @@ describe Gitlab::Ci::Config::Entry::Script do
 
   describe 'validations' do
     context 'when entry config value is correct' do
-      let(:config) { ['ls', 'pwd'] }
+      let(:config) { %w(ls pwd) }
 
       describe '#value' do
         it 'returns array of strings' do
diff --git a/spec/lib/gitlab/ci/config/entry/variables_spec.rb b/spec/lib/gitlab/ci/config/entry/variables_spec.rb
index 58327d08904..f15f02f403e 100644
--- a/spec/lib/gitlab/ci/config/entry/variables_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/variables_spec.rb
@@ -29,7 +29,7 @@ describe Gitlab::Ci::Config::Entry::Variables do
     end
 
     context 'when entry value is not correct' do
-      let(:config) { [ :VAR, 'test' ] }
+      let(:config) { [:VAR, 'test'] }
 
       describe '#errors' do
         it 'saves errors' do
diff --git a/spec/lib/gitlab/conflict/file_spec.rb b/spec/lib/gitlab/conflict/file_spec.rb
index fbf679c5215..7e5531d92dc 100644
--- a/spec/lib/gitlab/conflict/file_spec.rb
+++ b/spec/lib/gitlab/conflict/file_spec.rb
@@ -44,7 +44,7 @@ describe Gitlab::Conflict::File, lib: true do
 
       it 'returns a file containing only the chosen parts of the resolved sections' do
         expect(resolved_lines.chunk { |line| line.type || 'both' }.map(&:first)).
-          to eq(['both', 'new', 'both', 'old', 'both', 'new', 'both'])
+          to eq(%w(both new both old both new both))
       end
     end
 
@@ -123,7 +123,7 @@ describe Gitlab::Conflict::File, lib: true do
     it 'sets conflict to true for sections with only changed lines' do
       conflict_file.sections.select { |section| section[:conflict] }.each do |section|
         section[:lines].each do |line|
-          expect(line.type).to be_in(['new', 'old'])
+          expect(line.type).to be_in(%w(new old))
         end
       end
     end
diff --git a/spec/lib/gitlab/database/migration_helpers_spec.rb b/spec/lib/gitlab/database/migration_helpers_spec.rb
index e94ca4fcfd2..e007044868c 100644
--- a/spec/lib/gitlab/database/migration_helpers_spec.rb
+++ b/spec/lib/gitlab/database/migration_helpers_spec.rb
@@ -101,6 +101,16 @@ describe Gitlab::Database::MigrationHelpers, lib: true do
     end
   end
 
+  describe '#concurrent_foreign_key_name' do
+    it 'returns the name for a foreign key' do
+      name = model.concurrent_foreign_key_name(:this_is_a_very_long_table_name,
+                                               :with_a_very_long_column_name)
+
+      expect(name).to be_an_instance_of(String)
+      expect(name.length).to eq(13)
+    end
+  end
+
   describe '#disable_statement_timeout' do
     context 'using PostgreSQL' do
       it 'disables statement timeouts' do
diff --git a/spec/lib/gitlab/database_spec.rb b/spec/lib/gitlab/database_spec.rb
index f01c42aff91..edd01d032c8 100644
--- a/spec/lib/gitlab/database_spec.rb
+++ b/spec/lib/gitlab/database_spec.rb
@@ -119,9 +119,24 @@ describe Gitlab::Database, lib: true do
     it 'creates a new connection pool with specific pool size' do
       pool = described_class.create_connection_pool(5)
 
-      expect(pool)
-        .to be_kind_of(ActiveRecord::ConnectionAdapters::ConnectionPool)
-      expect(pool.spec.config[:pool]).to eq(5)
+      begin
+        expect(pool)
+          .to be_kind_of(ActiveRecord::ConnectionAdapters::ConnectionPool)
+
+        expect(pool.spec.config[:pool]).to eq(5)
+      ensure
+        pool.disconnect!
+      end
+    end
+
+    it 'allows setting of a custom hostname' do
+      pool = described_class.create_connection_pool(5, '127.0.0.1')
+
+      begin
+        expect(pool.spec.config[:host]).to eq('127.0.0.1')
+      ensure
+        pool.disconnect!
+      end
     end
   end
 
diff --git a/spec/lib/gitlab/diff/highlight_spec.rb b/spec/lib/gitlab/diff/highlight_spec.rb
index 5893485634d..0e9309d278e 100644
--- a/spec/lib/gitlab/diff/highlight_spec.rb
+++ b/spec/lib/gitlab/diff/highlight_spec.rb
@@ -53,21 +53,21 @@ describe Gitlab::Diff::Highlight, lib: true do
       end
 
       it 'marks unchanged lines' do
-        code = %Q{   def popen(cmd, path=nil)}
+        code = %q{   def popen(cmd, path=nil)}
 
         expect(subject[2].text).to eq(code)
         expect(subject[2].text).not_to be_html_safe
       end
 
       it 'marks removed lines' do
-        code = %Q{-      raise "System commands must be given as an array of strings"}
+        code = %q{-      raise "System commands must be given as an array of strings"}
 
         expect(subject[4].text).to eq(code)
         expect(subject[4].text).not_to be_html_safe
       end
 
       it 'marks added lines' do
-        code = %Q{+      raise <span class='idiff left right'>RuntimeError, </span>&quot;System commands must be given as an array of strings&quot;}
+        code = %q{+      raise <span class='idiff left right'>RuntimeError, </span>&quot;System commands must be given as an array of strings&quot;}
 
         expect(subject[5].text).to eq(code)
         expect(subject[5].text).to be_html_safe
diff --git a/spec/lib/gitlab/git/blob_snippet_spec.rb b/spec/lib/gitlab/git/blob_snippet_spec.rb
index 79b1311ac91..17d6be470ac 100644
--- a/spec/lib/gitlab/git/blob_snippet_spec.rb
+++ b/spec/lib/gitlab/git/blob_snippet_spec.rb
@@ -11,7 +11,7 @@ describe Gitlab::Git::BlobSnippet, seed_helper: true do
     end
 
     context 'present lines' do
-      let(:snippet) { Gitlab::Git::BlobSnippet.new('master', ['wow', 'much'], 1, 'wow.rb') }
+      let(:snippet) { Gitlab::Git::BlobSnippet.new('master', %w(wow much), 1, 'wow.rb') }
 
       it { expect(snippet.data).to eq("wow\nmuch") }
     end
diff --git a/spec/lib/gitlab/git/blob_spec.rb b/spec/lib/gitlab/git/blob_spec.rb
index 84f79ec2391..0c321f0343c 100644
--- a/spec/lib/gitlab/git/blob_spec.rb
+++ b/spec/lib/gitlab/git/blob_spec.rb
@@ -292,7 +292,7 @@ describe Gitlab::Git::Blob, seed_helper: true do
       it 'should preserve file modes with commit' do
         commit_options[:file][:path] = 'files/executables/ls'
 
-        entry = Gitlab::Git::Blob::find_entry_by_path(repository, commit.tree.oid, commit_options[:file][:path])
+        entry = Gitlab::Git::Blob.find_entry_by_path(repository, commit.tree.oid, commit_options[:file][:path])
         expect(entry[:filemode]).to eq(0100755)
       end
     end
diff --git a/spec/lib/gitlab/git/diff_collection_spec.rb b/spec/lib/gitlab/git/diff_collection_spec.rb
index 4fa72c565ae..47bdd7310d5 100644
--- a/spec/lib/gitlab/git/diff_collection_spec.rb
+++ b/spec/lib/gitlab/git/diff_collection_spec.rb
@@ -365,7 +365,7 @@ describe Gitlab::Git::DiffCollection, seed_helper: true do
         end
 
         context 'when go over safe limits on files' do
-          let(:iterator) { [ fake_diff(1, 1) ] * 4 }
+          let(:iterator) { [fake_diff(1, 1)] * 4 }
 
           before(:each) do
             stub_const('Gitlab::Git::DiffCollection::DEFAULT_LIMITS', { max_files: 2, max_lines: max_lines })
diff --git a/spec/lib/gitlab/git_access_spec.rb b/spec/lib/gitlab/git_access_spec.rb
index a55bd4387e0..d37890de9ae 100644
--- a/spec/lib/gitlab/git_access_spec.rb
+++ b/spec/lib/gitlab/git_access_spec.rb
@@ -199,7 +199,9 @@ describe Gitlab::GitAccess, lib: true do
 
     def stub_git_hooks
       # Running the `pre-receive` hook is expensive, and not necessary for this test.
-      allow_any_instance_of(GitHooksService).to receive(:execute).and_yield
+      allow_any_instance_of(GitHooksService).to receive(:execute) do |service, &block|
+        block.call(service)
+      end
     end
 
     def merge_into_protected_branch
@@ -232,11 +234,18 @@ describe Gitlab::GitAccess, lib: true do
             else
               project.team << [user, role]
             end
+          end
+
+          permissions_matrix[role].each do |action, allowed|
+            context action do
+              subject { access.send(:check_push_access!, changes[action]) }
 
-            permissions_matrix[role].each do |action, allowed|
-              context action do
-                subject { access.send(:check_push_access!, changes[action]) }
-                it { expect(subject.allowed?).to allowed ? be_truthy : be_falsey }
+              it do
+                if allowed
+                  expect { subject }.not_to raise_error
+                else
+                  expect { subject }.to raise_error(Gitlab::GitAccess::UnauthorizedError)
+                end
               end
             end
           end
@@ -301,7 +310,7 @@ describe Gitlab::GitAccess, lib: true do
       }
     }
 
-    [['feature', 'exact'], ['feat*', 'wildcard']].each do |protected_branch_name, protected_branch_type|
+    [%w(feature exact), ['feat*', 'wildcard']].each do |protected_branch_name, protected_branch_type|
       context do
         before { create(:protected_branch, name: protected_branch_name, project: project) }
 
diff --git a/spec/lib/gitlab/git_spec.rb b/spec/lib/gitlab/git_spec.rb
index 219198eff60..8eaf7aac264 100644
--- a/spec/lib/gitlab/git_spec.rb
+++ b/spec/lib/gitlab/git_spec.rb
@@ -19,7 +19,7 @@ describe Gitlab::Git, lib: true do
 
   describe 'committer_hash' do
     it "returns a hash containing the given email and name" do
-      committer_hash = Gitlab::Git::committer_hash(email: committer_email, name: committer_name)
+      committer_hash = Gitlab::Git.committer_hash(email: committer_email, name: committer_name)
 
       expect(committer_hash[:email]).to eq(committer_email)
       expect(committer_hash[:name]).to eq(committer_name)
@@ -28,7 +28,7 @@ describe Gitlab::Git, lib: true do
 
     context 'when email is nil' do
       it "returns nil" do
-        committer_hash = Gitlab::Git::committer_hash(email: nil, name: committer_name)
+        committer_hash = Gitlab::Git.committer_hash(email: nil, name: committer_name)
 
         expect(committer_hash).to be_nil
       end
@@ -36,7 +36,7 @@ describe Gitlab::Git, lib: true do
 
     context 'when name is nil' do
       it "returns nil" do
-        committer_hash = Gitlab::Git::committer_hash(email: committer_email, name: nil)
+        committer_hash = Gitlab::Git.committer_hash(email: committer_email, name: nil)
 
         expect(committer_hash).to be_nil
       end
diff --git a/spec/lib/gitlab/import_export/attribute_configuration_spec.rb b/spec/lib/gitlab/import_export/attribute_configuration_spec.rb
index ea65a5dfed1..e24d070706a 100644
--- a/spec/lib/gitlab/import_export/attribute_configuration_spec.rb
+++ b/spec/lib/gitlab/import_export/attribute_configuration_spec.rb
@@ -17,7 +17,7 @@ describe 'Import/Export attribute configuration', lib: true do
     # Remove duplicated or add missing models
     # - project is not part of the tree, so it has to be added manually.
     # - milestone, labels have both singular and plural versions in the tree, so remove the duplicates.
-    names.flatten.uniq - ['milestones', 'labels'] + ['project']
+    names.flatten.uniq - %w(milestones labels) + ['project']
   end
 
   let(:safe_attributes_file) { 'spec/lib/gitlab/import_export/safe_model_attributes.yml' }
diff --git a/spec/lib/gitlab/import_export/avatar_saver_spec.rb b/spec/lib/gitlab/import_export/avatar_saver_spec.rb
index d6ee94442cb..579a31ead58 100644
--- a/spec/lib/gitlab/import_export/avatar_saver_spec.rb
+++ b/spec/lib/gitlab/import_export/avatar_saver_spec.rb
@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe Gitlab::ImportExport::AvatarSaver, lib: true do
   let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: 'test') }
-  let(:export_path) { "#{Dir::tmpdir}/project_tree_saver_spec" }
+  let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
   let(:project_with_avatar) { create(:empty_project, avatar: fixture_file_upload(Rails.root + "spec/fixtures/dk.png", "image/png")) }
   let(:project) { create(:empty_project) }
 
diff --git a/spec/lib/gitlab/import_export/file_importer_spec.rb b/spec/lib/gitlab/import_export/file_importer_spec.rb
index a88ddd17aca..b88b9c18c15 100644
--- a/spec/lib/gitlab/import_export/file_importer_spec.rb
+++ b/spec/lib/gitlab/import_export/file_importer_spec.rb
@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe Gitlab::ImportExport::FileImporter, lib: true do
   let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: 'test') }
-  let(:export_path) { "#{Dir::tmpdir}/file_importer_spec" }
+  let(:export_path) { "#{Dir.tmpdir}/file_importer_spec" }
   let(:valid_file) { "#{shared.export_path}/valid.json" }
   let(:symlink_file) { "#{shared.export_path}/invalid.json" }
   let(:subfolder_symlink_file) { "#{shared.export_path}/subfolder/invalid.json" }
diff --git a/spec/lib/gitlab/import_export/model_configuration_spec.rb b/spec/lib/gitlab/import_export/model_configuration_spec.rb
index 9b492d1b9c7..2ede5cdd2ad 100644
--- a/spec/lib/gitlab/import_export/model_configuration_spec.rb
+++ b/spec/lib/gitlab/import_export/model_configuration_spec.rb
@@ -14,7 +14,7 @@ describe 'Import/Export model configuration', lib: true do
     # - project is not part of the tree, so it has to be added manually.
     # - milestone, labels have both singular and plural versions in the tree, so remove the duplicates.
     # - User, Author... Models we do not care about for checking models
-    names.flatten.uniq - ['milestones', 'labels', 'user', 'author'] + ['project']
+    names.flatten.uniq - %w(milestones labels user author) + ['project']
   end
 
   let(:all_models_yml) { 'spec/lib/gitlab/import_export/all_models.yml' }
diff --git a/spec/lib/gitlab/import_export/project_tree_saver_spec.rb b/spec/lib/gitlab/import_export/project_tree_saver_spec.rb
index 3628adefc0c..012c22ec5ad 100644
--- a/spec/lib/gitlab/import_export/project_tree_saver_spec.rb
+++ b/spec/lib/gitlab/import_export/project_tree_saver_spec.rb
@@ -4,7 +4,7 @@ describe Gitlab::ImportExport::ProjectTreeSaver, services: true do
   describe 'saves the project tree into a json object' do
     let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.path_with_namespace) }
     let(:project_tree_saver) { described_class.new(project: project, current_user: user, shared: shared) }
-    let(:export_path) { "#{Dir::tmpdir}/project_tree_saver_spec" }
+    let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
     let(:user) { create(:user) }
     let(:project) { setup_project }
 
@@ -114,7 +114,7 @@ describe Gitlab::ImportExport::ProjectTreeSaver, services: true do
       it 'has project and group labels' do
         label_types = saved_project_json['issues'].first['label_links'].map { |link| link['label']['type'] }
 
-        expect(label_types).to match_array(['ProjectLabel', 'GroupLabel'])
+        expect(label_types).to match_array(%w(ProjectLabel GroupLabel))
       end
 
       it 'has priorities associated to labels' do
diff --git a/spec/lib/gitlab/import_export/repo_bundler_spec.rb b/spec/lib/gitlab/import_export/repo_bundler_spec.rb
index d39ea60ff7f..a7f4e11271e 100644
--- a/spec/lib/gitlab/import_export/repo_bundler_spec.rb
+++ b/spec/lib/gitlab/import_export/repo_bundler_spec.rb
@@ -4,7 +4,7 @@ describe Gitlab::ImportExport::RepoSaver, services: true do
   describe 'bundle a project Git repo' do
     let(:user) { create(:user) }
     let!(:project) { create(:empty_project, :public, name: 'searchable_project') }
-    let(:export_path) { "#{Dir::tmpdir}/project_tree_saver_spec" }
+    let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
     let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.path_with_namespace) }
     let(:bundler) { described_class.new(project: project, shared: shared) }
 
diff --git a/spec/lib/gitlab/import_export/wiki_repo_bundler_spec.rb b/spec/lib/gitlab/import_export/wiki_repo_bundler_spec.rb
index 47d5d2fc150..071e5fac3f0 100644
--- a/spec/lib/gitlab/import_export/wiki_repo_bundler_spec.rb
+++ b/spec/lib/gitlab/import_export/wiki_repo_bundler_spec.rb
@@ -4,7 +4,7 @@ describe Gitlab::ImportExport::WikiRepoSaver, services: true do
   describe 'bundle a wiki Git repo' do
     let(:user) { create(:user) }
     let!(:project) { create(:empty_project, :public, name: 'searchable_project') }
-    let(:export_path) { "#{Dir::tmpdir}/project_tree_saver_spec" }
+    let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
     let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.path_with_namespace) }
     let(:wiki_bundler) { described_class.new(project: project, shared: shared) }
     let!(:project_wiki) { ProjectWiki.new(project, user) }
diff --git a/spec/lib/gitlab/import_sources_spec.rb b/spec/lib/gitlab/import_sources_spec.rb
index 8cea38e9ff8..b3b5e5e7e33 100644
--- a/spec/lib/gitlab/import_sources_spec.rb
+++ b/spec/lib/gitlab/import_sources_spec.rb
@@ -22,16 +22,16 @@ describe Gitlab::ImportSources do
   describe '.values' do
     it 'returns an array' do
       expected =
-        [
-          'github',
-          'bitbucket',
-          'gitlab',
-          'google_code',
-          'fogbugz',
-          'git',
-          'gitlab_project',
-          'gitea'
-        ]
+        %w(
+          github
+          bitbucket
+          gitlab
+          google_code
+          fogbugz
+          git
+          gitlab_project
+          gitea
+        )
 
       expect(described_class.values).to eq(expected)
     end
@@ -40,15 +40,15 @@ describe Gitlab::ImportSources do
   describe '.importer_names' do
     it 'returns an array of importer names' do
       expected =
-        [
-          'github',
-          'bitbucket',
-          'gitlab',
-          'google_code',
-          'fogbugz',
-          'gitlab_project',
-          'gitea'
-        ]
+        %w(
+          github
+          bitbucket
+          gitlab
+          google_code
+          fogbugz
+          gitlab_project
+          gitea
+        )
 
       expect(described_class.importer_names).to eq(expected)
     end
diff --git a/spec/lib/gitlab/kubernetes_spec.rb b/spec/lib/gitlab/kubernetes_spec.rb
index c9bd52a3b8f..91f9d06b85a 100644
--- a/spec/lib/gitlab/kubernetes_spec.rb
+++ b/spec/lib/gitlab/kubernetes_spec.rb
@@ -9,7 +9,7 @@ describe Gitlab::Kubernetes do
     let(:pod_name) { 'pod1' }
     let(:container_name) { 'container1' }
 
-    subject(:result) { URI::parse(container_exec_url(api_url, namespace, pod_name, container_name)) }
+    subject(:result) { URI.parse(container_exec_url(api_url, namespace, pod_name, container_name)) }
 
     it { expect(result.scheme).to eq('wss') }
     it { expect(result.host).to eq('example.com') }
diff --git a/spec/lib/gitlab/ldap/auth_hash_spec.rb b/spec/lib/gitlab/ldap/auth_hash_spec.rb
index 69c49051156..7a2f774b948 100644
--- a/spec/lib/gitlab/ldap/auth_hash_spec.rb
+++ b/spec/lib/gitlab/ldap/auth_hash_spec.rb
@@ -44,7 +44,7 @@ describe Gitlab::LDAP::AuthHash, lib: true do
   context "with overridden attributes" do
     let(:attributes) do
       {
-        'username'  => ['mail', 'email'],
+        'username'  => %w(mail email),
         'name'      => 'fullName'
       }
     end
diff --git a/spec/lib/gitlab/ldap/user_spec.rb b/spec/lib/gitlab/ldap/user_spec.rb
index 89790c9e1af..2f3bd4393b7 100644
--- a/spec/lib/gitlab/ldap/user_spec.rb
+++ b/spec/lib/gitlab/ldap/user_spec.rb
@@ -95,10 +95,10 @@ describe Gitlab::LDAP::User, lib: true do
 
     it 'maintains an identity per provider' do
       existing_user = create(:omniauth_user, email: 'john@example.com', provider: 'twitter')
-      expect(existing_user.identities.count).to eql(1)
+      expect(existing_user.identities.count).to be(1)
 
       ldap_user.save
-      expect(ldap_user.gl_user.identities.count).to eql(2)
+      expect(ldap_user.gl_user.identities.count).to be(2)
 
       # Expect that find_by provider only returns a single instance of an identity and not an Enumerable
       expect(ldap_user.gl_user.identities.find_by(provider: 'twitter')).to be_instance_of Identity
diff --git a/spec/lib/gitlab/metrics/instrumentation_spec.rb b/spec/lib/gitlab/metrics/instrumentation_spec.rb
index d88bcae41fb..a986cb520fb 100644
--- a/spec/lib/gitlab/metrics/instrumentation_spec.rb
+++ b/spec/lib/gitlab/metrics/instrumentation_spec.rb
@@ -197,11 +197,13 @@ describe Gitlab::Metrics::Instrumentation do
 
       @child1 = Class.new(@dummy) do
         def self.child1_foo; end
+
         def child1_bar; end
       end
 
       @child2 = Class.new(@child1) do
         def self.child2_foo; end
+
         def child2_bar; end
       end
     end
diff --git a/spec/lib/gitlab/metrics/method_call_spec.rb b/spec/lib/gitlab/metrics/method_call_spec.rb
index 8d05081eecb..a247f03b2da 100644
--- a/spec/lib/gitlab/metrics/method_call_spec.rb
+++ b/spec/lib/gitlab/metrics/method_call_spec.rb
@@ -23,7 +23,7 @@ describe Gitlab::Metrics::MethodCall do
 
       expect(metric.values[:duration]).to be_a_kind_of(Numeric)
       expect(metric.values[:cpu_duration]).to be_a_kind_of(Numeric)
-      expect(metric.values[:call_count]).to an_instance_of(Fixnum)
+      expect(metric.values[:call_count]).to be_an(Integer)
 
       expect(metric.tags).to eq({ method: 'Foo#bar' })
     end
diff --git a/spec/lib/gitlab/metrics/metric_spec.rb b/spec/lib/gitlab/metrics/metric_spec.rb
index f26fca52c50..d240b8a01fd 100644
--- a/spec/lib/gitlab/metrics/metric_spec.rb
+++ b/spec/lib/gitlab/metrics/metric_spec.rb
@@ -62,7 +62,7 @@ describe Gitlab::Metrics::Metric do
       end
 
       it 'includes the timestamp' do
-        expect(hash[:timestamp]).to be_an_instance_of(Fixnum)
+        expect(hash[:timestamp]).to be_an(Integer)
       end
     end
   end
diff --git a/spec/lib/gitlab/metrics/system_spec.rb b/spec/lib/gitlab/metrics/system_spec.rb
index 9e2ea89a712..4d94d8705fb 100644
--- a/spec/lib/gitlab/metrics/system_spec.rb
+++ b/spec/lib/gitlab/metrics/system_spec.rb
@@ -29,19 +29,19 @@ describe Gitlab::Metrics::System do
 
   describe '.cpu_time' do
     it 'returns a Fixnum' do
-      expect(described_class.cpu_time).to be_an_instance_of(Fixnum)
+      expect(described_class.cpu_time).to be_an(Integer)
     end
   end
 
   describe '.real_time' do
     it 'returns a Fixnum' do
-      expect(described_class.real_time).to be_an_instance_of(Fixnum)
+      expect(described_class.real_time).to be_an(Integer)
     end
   end
 
   describe '.monotonic_time' do
     it 'returns a Fixnum' do
-      expect(described_class.monotonic_time).to be_an_instance_of(Fixnum)
+      expect(described_class.monotonic_time).to be_an(Integer)
     end
   end
 end
diff --git a/spec/lib/gitlab/metrics/transaction_spec.rb b/spec/lib/gitlab/metrics/transaction_spec.rb
index 3887c04c832..0c5a6246d85 100644
--- a/spec/lib/gitlab/metrics/transaction_spec.rb
+++ b/spec/lib/gitlab/metrics/transaction_spec.rb
@@ -134,7 +134,7 @@ describe Gitlab::Metrics::Transaction do
         series:    'rails_transactions',
         tags:      { action: 'Foo#bar' },
         values:    { duration: 0.0, allocated_memory: a_kind_of(Numeric) },
-        timestamp: an_instance_of(Fixnum)
+        timestamp: a_kind_of(Integer)
       }
 
       expect(Gitlab::Metrics).to receive(:submit_metrics).
@@ -151,7 +151,7 @@ describe Gitlab::Metrics::Transaction do
         series:    'events',
         tags:      { event: :meow },
         values:    { count: 1 },
-        timestamp: an_instance_of(Fixnum)
+        timestamp: a_kind_of(Integer)
       }
 
       expect(Gitlab::Metrics).to receive(:submit_metrics).
diff --git a/spec/lib/gitlab/o_auth/user_spec.rb b/spec/lib/gitlab/o_auth/user_spec.rb
index fc9e1cb430a..6c84a4c8b73 100644
--- a/spec/lib/gitlab/o_auth/user_spec.rb
+++ b/spec/lib/gitlab/o_auth/user_spec.rb
@@ -148,12 +148,14 @@ describe Gitlab::OAuth::User, lib: true do
                 expect(gl_user).to be_valid
                 expect(gl_user.username).to eql uid
                 expect(gl_user.email).to eql 'johndoe@example.com'
-                expect(gl_user.identities.length).to eql 2
+                expect(gl_user.identities.length).to be 2
                 identities_as_hash = gl_user.identities.map { |id| { provider: id.provider, extern_uid: id.extern_uid } }
                 expect(identities_as_hash).to match_array(
-                  [ { provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
+                  [
+                    { provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
                     { provider: 'twitter', extern_uid: uid }
-                  ])
+                  ]
+                )
               end
             end
 
@@ -167,12 +169,14 @@ describe Gitlab::OAuth::User, lib: true do
                 expect(gl_user).to be_valid
                 expect(gl_user.username).to eql 'john'
                 expect(gl_user.email).to eql 'john@example.com'
-                expect(gl_user.identities.length).to eql 2
+                expect(gl_user.identities.length).to be 2
                 identities_as_hash = gl_user.identities.map { |id| { provider: id.provider, extern_uid: id.extern_uid } }
                 expect(identities_as_hash).to match_array(
-                  [ { provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
+                  [
+                    { provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
                     { provider: 'twitter', extern_uid: uid }
-                  ])
+                  ]
+                )
               end
             end
 
diff --git a/spec/lib/gitlab/optimistic_locking_spec.rb b/spec/lib/gitlab/optimistic_locking_spec.rb
index 498dc514c8c..acce2be93f2 100644
--- a/spec/lib/gitlab/optimistic_locking_spec.rb
+++ b/spec/lib/gitlab/optimistic_locking_spec.rb
@@ -1,10 +1,10 @@
 require 'spec_helper'
 
 describe Gitlab::OptimisticLocking, lib: true do
-  describe '#retry_lock' do
-    let!(:pipeline) { create(:ci_pipeline) }
-    let!(:pipeline2) { Ci::Pipeline.find(pipeline.id) }
+  let!(:pipeline) { create(:ci_pipeline) }
+  let!(:pipeline2) { Ci::Pipeline.find(pipeline.id) }
 
+  describe '#retry_lock' do
     it 'does not reload object if state changes' do
       expect(pipeline).not_to receive(:reload)
       expect(pipeline).to receive(:succeed).and_call_original
@@ -36,4 +36,17 @@ describe Gitlab::OptimisticLocking, lib: true do
       end.to raise_error(ActiveRecord::StaleObjectError)
     end
   end
+
+  describe '#retry_optimistic_lock' do
+    context 'when locking module is mixed in' do
+      let(:unlockable) do
+        Class.new.include(described_class).new
+      end
+
+      it 'is an alias for retry_lock' do
+        expect(unlockable.method(:retry_optimistic_lock))
+          .to eq unlockable.method(:retry_lock)
+      end
+    end
+  end
 end
diff --git a/spec/lib/gitlab/saml/user_spec.rb b/spec/lib/gitlab/saml/user_spec.rb
index 02c139f1a0d..4f6ef3c10fc 100644
--- a/spec/lib/gitlab/saml/user_spec.rb
+++ b/spec/lib/gitlab/saml/user_spec.rb
@@ -155,11 +155,10 @@ describe Gitlab::Saml::User, lib: true do
                 expect(gl_user).to be_valid
                 expect(gl_user.username).to eql uid
                 expect(gl_user.email).to eql 'john@mail.com'
-                expect(gl_user.identities.length).to eql 2
+                expect(gl_user.identities.length).to be 2
                 identities_as_hash = gl_user.identities.map { |id| { provider: id.provider, extern_uid: id.extern_uid } }
-                expect(identities_as_hash).to match_array([ { provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
-                                                            { provider: 'saml', extern_uid: uid }
-                                                          ])
+                expect(identities_as_hash).to match_array([{ provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
+                                                           { provider: 'saml', extern_uid: uid }])
               end
             end
 
@@ -178,11 +177,10 @@ describe Gitlab::Saml::User, lib: true do
                 expect(gl_user).to be_valid
                 expect(gl_user.username).to eql 'john'
                 expect(gl_user.email).to eql 'john@mail.com'
-                expect(gl_user.identities.length).to eql 2
+                expect(gl_user.identities.length).to be 2
                 identities_as_hash = gl_user.identities.map { |id| { provider: id.provider, extern_uid: id.extern_uid } }
-                expect(identities_as_hash).to match_array([ { provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
-                                                            { provider: 'saml', extern_uid: uid }
-                                                          ])
+                expect(identities_as_hash).to match_array([{ provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
+                                                           { provider: 'saml', extern_uid: uid }])
               end
 
               it 'saves successfully on subsequent tries, when both identities are present' do
@@ -204,11 +202,10 @@ describe Gitlab::Saml::User, lib: true do
                 local_gl_user = local_saml_user.gl_user
 
                 expect(local_gl_user).to be_valid
-                expect(local_gl_user.identities.length).to eql 2
+                expect(local_gl_user.identities.length).to be 2
                 identities_as_hash = local_gl_user.identities.map { |id| { provider: id.provider, extern_uid: id.extern_uid } }
-                expect(identities_as_hash).to match_array([ { provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
-                                                            { provider: 'saml', extern_uid: 'uid=user1,ou=People,dc=example' }
-                                                          ])
+                expect(identities_as_hash).to match_array([{ provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
+                                                           { provider: 'saml', extern_uid: 'uid=user1,ou=People,dc=example' }])
               end
             end
           end
diff --git a/spec/lib/gitlab/serializer/ci/variables_spec.rb b/spec/lib/gitlab/serializer/ci/variables_spec.rb
index b810c68ea03..c4b7fda5dbb 100644
--- a/spec/lib/gitlab/serializer/ci/variables_spec.rb
+++ b/spec/lib/gitlab/serializer/ci/variables_spec.rb
@@ -13,6 +13,7 @@ describe Gitlab::Serializer::Ci::Variables do
   it 'converts keys into strings' do
     is_expected.to eq([
       { key: 'key', value: 'value', public: true },
-      { key: 'wee', value: 1, public: false }])
+      { key: 'wee', value: 1, public: false }
+    ])
   end
 end
diff --git a/spec/lib/gitlab/template/issue_template_spec.rb b/spec/lib/gitlab/template/issue_template_spec.rb
index 1335a2b8f35..9213ced7b19 100644
--- a/spec/lib/gitlab/template/issue_template_spec.rb
+++ b/spec/lib/gitlab/template/issue_template_spec.rb
@@ -11,7 +11,8 @@ describe Gitlab::Template::IssueTemplate do
       create_template: {
         user: user,
         access: Gitlab::Access::MASTER,
-        path: 'issue_templates' })
+        path: 'issue_templates'
+      })
   end
 
   describe '.all' do
diff --git a/spec/lib/gitlab/template/merge_request_template_spec.rb b/spec/lib/gitlab/template/merge_request_template_spec.rb
index 320b870309a..77dd3079e22 100644
--- a/spec/lib/gitlab/template/merge_request_template_spec.rb
+++ b/spec/lib/gitlab/template/merge_request_template_spec.rb
@@ -11,7 +11,8 @@ describe Gitlab::Template::MergeRequestTemplate do
       create_template: {
         user: user,
         access: Gitlab::Access::MASTER,
-        path: 'merge_request_templates' })
+        path: 'merge_request_templates'
+      })
   end
 
   describe '.all' do
diff --git a/spec/lib/gitlab/upgrader_spec.rb b/spec/lib/gitlab/upgrader_spec.rb
index edadab043d7..fcfd8d58b70 100644
--- a/spec/lib/gitlab/upgrader_spec.rb
+++ b/spec/lib/gitlab/upgrader_spec.rb
@@ -32,7 +32,8 @@ describe Gitlab::Upgrader, lib: true do
         '43af3e65a486a9237f29f56d96c3b3da59c24ae0  refs/tags/v7.11.2',
         'dac18e7728013a77410e926a1e64225703754a2d  refs/tags/v7.11.2^{}',
         '0bf21fd4b46c980c26fd8c90a14b86a4d90cc950  refs/tags/v7.9.4',
-        'b10de29edbaff7219547dc506cb1468ee35065c3  refs/tags/v7.9.4^{}'])
+        'b10de29edbaff7219547dc506cb1468ee35065c3  refs/tags/v7.9.4^{}'
+      ])
       expect(upgrader.latest_version_raw).to eq("v7.11.2")
     end
   end
diff --git a/spec/lib/gitlab/utils_spec.rb b/spec/lib/gitlab/utils_spec.rb
index d5d87310874..56772409989 100644
--- a/spec/lib/gitlab/utils_spec.rb
+++ b/spec/lib/gitlab/utils_spec.rb
@@ -1,7 +1,5 @@
 describe Gitlab::Utils, lib: true do
-  def to_boolean(value)
-    described_class.to_boolean(value)
-  end
+  delegate :to_boolean, to: :described_class
 
   describe '.to_boolean' do
     it 'accepts booleans' do
diff --git a/spec/lib/mattermost/command_spec.rb b/spec/lib/mattermost/command_spec.rb
index 5ccf1100898..4b5938edeb9 100644
--- a/spec/lib/mattermost/command_spec.rb
+++ b/spec/lib/mattermost/command_spec.rb
@@ -13,8 +13,7 @@ describe Mattermost::Command do
   describe '#create' do
     let(:params) do
       { team_id: 'abc',
-        trigger: 'gitlab'
-      }
+        trigger: 'gitlab' }
     end
 
     subject { described_class.new(nil).create(params) }
@@ -24,7 +23,8 @@ describe Mattermost::Command do
         stub_request(:post, 'http://mattermost.example.com/api/v3/teams/abc/commands/create').
           with(body: {
             team_id: 'abc',
-            trigger: 'gitlab' }.to_json).
+            trigger: 'gitlab'
+          }.to_json).
           to_return(
             status: 200,
             headers: { 'Content-Type' => 'application/json' },
diff --git a/spec/lib/mattermost/team_spec.rb b/spec/lib/mattermost/team_spec.rb
index 2d14be6bcc2..6a9c7cebfff 100644
--- a/spec/lib/mattermost/team_spec.rb
+++ b/spec/lib/mattermost/team_spec.rb
@@ -14,18 +14,19 @@ describe Mattermost::Team do
     context 'for valid request' do
       let(:response) do
         [{
-           "id" => "xiyro8huptfhdndadpz8r3wnbo",
-           "create_at" => 1482174222155,
-           "update_at" => 1482174222155,
-           "delete_at" => 0,
-           "display_name" => "chatops",
-           "name" => "chatops",
-           "email" => "admin@example.com",
-           "type" => "O",
-           "company_name" => "",
-           "allowed_domains" => "",
-           "invite_id" => "o4utakb9jtb7imctdfzbf9r5ro",
-           "allow_open_invite" => false }]
+          "id" => "xiyro8huptfhdndadpz8r3wnbo",
+          "create_at" => 1482174222155,
+          "update_at" => 1482174222155,
+          "delete_at" => 0,
+          "display_name" => "chatops",
+          "name" => "chatops",
+          "email" => "admin@example.com",
+          "type" => "O",
+          "company_name" => "",
+          "allowed_domains" => "",
+          "invite_id" => "o4utakb9jtb7imctdfzbf9r5ro",
+          "allow_open_invite" => false
+        }]
       end
 
       before do
diff --git a/spec/migrations/migrate_process_commit_worker_jobs_spec.rb b/spec/migrations/migrate_process_commit_worker_jobs_spec.rb
index 6a93deb5412..b6d678bac18 100644
--- a/spec/migrations/migrate_process_commit_worker_jobs_spec.rb
+++ b/spec/migrations/migrate_process_commit_worker_jobs_spec.rb
@@ -62,7 +62,7 @@ describe MigrateProcessCommitWorkerJobs do
     end
 
     def pop_job
-      JSON.load(Sidekiq.redis { |r| r.lpop('queue:process_commit') })
+      JSON.parse(Sidekiq.redis { |r| r.lpop('queue:process_commit') })
     end
 
     before do
@@ -198,7 +198,7 @@ describe MigrateProcessCommitWorkerJobs do
       let(:job) do
         migration.down
 
-        JSON.load(Sidekiq.redis { |r| r.lpop('queue:process_commit') })
+        JSON.parse(Sidekiq.redis { |r| r.lpop('queue:process_commit') })
       end
 
       it 'includes the project ID' do
diff --git a/spec/models/application_setting_spec.rb b/spec/models/application_setting_spec.rb
index b3eb206612e..01ca1584ed2 100644
--- a/spec/models/application_setting_spec.rb
+++ b/spec/models/application_setting_spec.rb
@@ -96,9 +96,9 @@ describe ApplicationSetting, models: true do
 
       describe 'inclusion' do
         it { is_expected.to allow_value('custom1').for(:repository_storages) }
-        it { is_expected.to allow_value(['custom2', 'custom3']).for(:repository_storages) }
+        it { is_expected.to allow_value(%w(custom2 custom3)).for(:repository_storages) }
         it { is_expected.not_to allow_value('alternative').for(:repository_storages) }
-        it { is_expected.not_to allow_value(['alternative', 'custom1']).for(:repository_storages) }
+        it { is_expected.not_to allow_value(%w(alternative custom1)).for(:repository_storages) }
       end
 
       describe 'presence' do
@@ -117,7 +117,7 @@ describe ApplicationSetting, models: true do
 
         describe '#repository_storage' do
           it 'returns the first storage' do
-            setting.repository_storages = ['good', 'bad']
+            setting.repository_storages = %w(good bad)
 
             expect(setting.repository_storage).to eq('good')
           end
diff --git a/spec/models/ci/build_spec.rb b/spec/models/ci/build_spec.rb
index 444ad40ae0d..4251cb06a2d 100644
--- a/spec/models/ci/build_spec.rb
+++ b/spec/models/ci/build_spec.rb
@@ -1268,8 +1268,8 @@ describe Ci::Build, :models do
 
     context 'when build has user' do
       let(:user_variables) do
-        [ { key: 'GITLAB_USER_ID',    value: user.id.to_s, public: true },
-          { key: 'GITLAB_USER_EMAIL', value: user.email,   public: true } ]
+        [{ key: 'GITLAB_USER_ID',    value: user.id.to_s, public: true },
+         { key: 'GITLAB_USER_EMAIL', value: user.email,   public: true }]
       end
 
       before do
@@ -1426,7 +1426,7 @@ describe Ci::Build, :models do
     end
 
     context 'when runner is assigned to build' do
-      let(:runner) { create(:ci_runner, description: 'description', tag_list: ['docker', 'linux']) }
+      let(:runner) { create(:ci_runner, description: 'description', tag_list: %w(docker linux)) }
 
       before do
         build.update(runner: runner)
diff --git a/spec/models/ci/pipeline_spec.rb b/spec/models/ci/pipeline_spec.rb
index 10c2bfbb400..c2fc8c02bb3 100644
--- a/spec/models/ci/pipeline_spec.rb
+++ b/spec/models/ci/pipeline_spec.rb
@@ -168,9 +168,9 @@ describe Ci::Pipeline, models: true do
         end
 
         it 'returns list of stages with correct statuses' do
-          expect(statuses).to eq([['build', 'failed'],
-                                  ['test', 'success'],
-                                  ['deploy', 'running']])
+          expect(statuses).to eq([%w(build failed),
+                                  %w(test success),
+                                  %w(deploy running)])
         end
 
         context 'when commit status  is retried' do
@@ -183,9 +183,9 @@ describe Ci::Pipeline, models: true do
           end
 
           it 'ignores the previous state' do
-            expect(statuses).to eq([['build', 'success'],
-                                    ['test', 'success'],
-                                    ['deploy', 'running']])
+            expect(statuses).to eq([%w(build success),
+                                    %w(test success),
+                                    %w(deploy running)])
           end
         end
       end
@@ -199,7 +199,7 @@ describe Ci::Pipeline, models: true do
 
     describe '#stages_name' do
       it 'returns a valid names of stages' do
-        expect(pipeline.stages_name).to eq(['build', 'test', 'deploy'])
+        expect(pipeline.stages_name).to eq(%w(build test deploy))
       end
     end
   end
@@ -767,7 +767,7 @@ describe Ci::Pipeline, models: true do
       end
 
       it 'cancels created builds' do
-        expect(latest_status).to eq ['canceled', 'canceled']
+        expect(latest_status).to eq %w(canceled canceled)
       end
     end
   end
diff --git a/spec/models/ci/runner_spec.rb b/spec/models/ci/runner_spec.rb
index f8513ac8b1c..76ce558eea0 100644
--- a/spec/models/ci/runner_spec.rb
+++ b/spec/models/ci/runner_spec.rb
@@ -113,7 +113,7 @@ describe Ci::Runner, models: true do
 
     context 'when runner has tags' do
       before do
-        runner.tag_list = ['bb', 'cc']
+        runner.tag_list = %w(bb cc)
       end
 
       shared_examples 'tagged build picker' do
@@ -169,7 +169,7 @@ describe Ci::Runner, models: true do
 
         context 'when having runner tags' do
           before do
-            runner.tag_list = ['bb', 'cc']
+            runner.tag_list = %w(bb cc)
           end
 
           it 'cannot handle it for builds without matching tags' do
@@ -189,7 +189,7 @@ describe Ci::Runner, models: true do
 
         context 'when having runner tags' do
           before do
-            runner.tag_list = ['bb', 'cc']
+            runner.tag_list = %w(bb cc)
             build.tag_list = ['bb']
           end
 
@@ -212,7 +212,7 @@ describe Ci::Runner, models: true do
 
         context 'when having runner tags' do
           before do
-            runner.tag_list = ['bb', 'cc']
+            runner.tag_list = %w(bb cc)
             build.tag_list = ['bb']
           end
 
diff --git a/spec/models/concerns/cache_markdown_field_spec.rb b/spec/models/concerns/cache_markdown_field_spec.rb
index 2e3702f7520..6151d53cd91 100644
--- a/spec/models/concerns/cache_markdown_field_spec.rb
+++ b/spec/models/concerns/cache_markdown_field_spec.rb
@@ -1,7 +1,8 @@
 require 'spec_helper'
 
 describe CacheMarkdownField do
-  CacheMarkdownField::CACHING_CLASSES << "ThingWithMarkdownFields"
+  caching_classes = CacheMarkdownField::CACHING_CLASSES
+  CacheMarkdownField::CACHING_CLASSES = ["ThingWithMarkdownFields"].freeze
 
   # The minimum necessary ActiveModel to test this concern
   class ThingWithMarkdownFields
@@ -54,7 +55,7 @@ describe CacheMarkdownField do
     end
   end
 
-  CacheMarkdownField::CACHING_CLASSES.delete("ThingWithMarkdownFields")
+  CacheMarkdownField::CACHING_CLASSES = caching_classes
 
   def thing_subclass(new_attr)
     Class.new(ThingWithMarkdownFields) { add_attr(new_attr) }
diff --git a/spec/models/concerns/spammable_spec.rb b/spec/models/concerns/spammable_spec.rb
index b6e5c95d18a..fd3b8307571 100644
--- a/spec/models/concerns/spammable_spec.rb
+++ b/spec/models/concerns/spammable_spec.rb
@@ -23,6 +23,7 @@ describe Issue, 'Spammable' do
     describe '#check_for_spam?' do
       it 'returns true for public project' do
         issue.project.update_attribute(:visibility_level, Gitlab::VisibilityLevel::PUBLIC)
+
         expect(issue.check_for_spam?).to eq(true)
       end
 
diff --git a/spec/models/cycle_analytics/staging_spec.rb b/spec/models/cycle_analytics/staging_spec.rb
index 9a024d533a1..78ec518ac86 100644
--- a/spec/models/cycle_analytics/staging_spec.rb
+++ b/spec/models/cycle_analytics/staging_spec.rb
@@ -18,7 +18,7 @@ describe 'CycleAnalytics#staging', feature: true do
     start_time_conditions: [["merge request that closes issue is merged",
                              -> (context, data) do
                                context.merge_merge_requests_closing_issue(data[:issue])
-                             end ]],
+                             end]],
     end_time_conditions:   [["merge request that closes issue is deployed to production",
                              -> (context, data) do
                                context.deploy_master
diff --git a/spec/models/environment_spec.rb b/spec/models/environment_spec.rb
index f0ed0c679d5..dce18f008f8 100644
--- a/spec/models/environment_spec.rb
+++ b/spec/models/environment_spec.rb
@@ -76,7 +76,8 @@ describe Environment, models: true do
   end
 
   describe '#update_merge_request_metrics?' do
-    { 'production' => true,
+    {
+      'production' => true,
       'production/eu' => true,
       'production/www.gitlab.com' => true,
       'productioneu' => false,
@@ -311,7 +312,7 @@ describe Environment, models: true do
   end
 
   describe '#generate_slug' do
-    SUFFIX = "-[a-z0-9]{6}"
+    SUFFIX = "-[a-z0-9]{6}".freeze
     {
       "staging-12345678901234567" => "staging-123456789" + SUFFIX,
       "9-staging-123456789012345" => "env-9-staging-123" + SUFFIX,
diff --git a/spec/models/members/project_member_spec.rb b/spec/models/members/project_member_spec.rb
index e4be0aba7a6..87ea2e70680 100644
--- a/spec/models/members/project_member_spec.rb
+++ b/spec/models/members/project_member_spec.rb
@@ -89,8 +89,8 @@ describe ProjectMember, models: true do
       @user_1 = create :user
       @user_2 = create :user
 
-      @project_1.team << [ @user_1, :developer ]
-      @project_2.team << [ @user_2, :reporter ]
+      @project_1.team << [@user_1, :developer]
+      @project_2.team << [@user_2, :reporter]
 
       @status = @project_2.team.import(@project_1)
     end
@@ -137,8 +137,8 @@ describe ProjectMember, models: true do
       @user_1 = create :user
       @user_2 = create :user
 
-      @project_1.team << [ @user_1, :developer]
-      @project_2.team << [ @user_2, :reporter]
+      @project_1.team << [@user_1, :developer]
+      @project_2.team << [@user_2, :reporter]
 
       ProjectMember.truncate_teams([@project_1.id, @project_2.id])
     end
diff --git a/spec/models/merge_request_diff_spec.rb b/spec/models/merge_request_diff_spec.rb
index 6d599e148a2..0a10ee01506 100644
--- a/spec/models/merge_request_diff_spec.rb
+++ b/spec/models/merge_request_diff_spec.rb
@@ -109,7 +109,7 @@ describe MergeRequestDiff, models: true do
         { id: 'sha2' }
       ]
 
-      expect(subject.commits_sha).to eq(['sha1', 'sha2'])
+      expect(subject.commits_sha).to eq(%w(sha1 sha2))
     end
   end
 
diff --git a/spec/models/merge_request_spec.rb b/spec/models/merge_request_spec.rb
index a01741a9971..fa1b0396bcf 100644
--- a/spec/models/merge_request_spec.rb
+++ b/spec/models/merge_request_spec.rb
@@ -209,6 +209,50 @@ describe MergeRequest, models: true do
     end
   end
 
+  describe '#diff_size' do
+    let(:merge_request) do
+      build(:merge_request, source_branch: 'expand-collapse-files', target_branch: 'master')
+    end
+
+    context 'when there are MR diffs' do
+      before do
+        merge_request.save
+      end
+
+      it 'returns the correct count' do
+        expect(merge_request.diff_size).to eq(105)
+      end
+
+      it 'does not perform highlighting' do
+        expect(Gitlab::Diff::Highlight).not_to receive(:new)
+
+        merge_request.diff_size
+      end
+    end
+
+    context 'when there are no MR diffs' do
+      before do
+        merge_request.compare = CompareService.new(
+          merge_request.source_project,
+          merge_request.source_branch
+        ).execute(
+          merge_request.target_project,
+          merge_request.target_branch
+        )
+      end
+
+      it 'returns the correct count' do
+        expect(merge_request.diff_size).to eq(105)
+      end
+
+      it 'does not perform highlighting' do
+        expect(Gitlab::Diff::Highlight).not_to receive(:new)
+
+        merge_request.diff_size
+      end
+    end
+  end
+
   describe "#related_notes" do
     let!(:merge_request) { create(:merge_request) }
 
diff --git a/spec/models/project_services/bamboo_service_spec.rb b/spec/models/project_services/bamboo_service_spec.rb
index 497a626a418..4014d6129ee 100644
--- a/spec/models/project_services/bamboo_service_spec.rb
+++ b/spec/models/project_services/bamboo_service_spec.rb
@@ -181,7 +181,7 @@ describe BambooService, models: true, caching: true do
       end
 
       it 'sets commit status to "pending" when response has no results' do
-        stub_request(body: %Q({"results":{"results":{"size":"0"}}}))
+        stub_request(body: %q({"results":{"results":{"size":"0"}}}))
 
         is_expected.to eq('pending')
       end
diff --git a/spec/models/project_services/buildkite_service_spec.rb b/spec/models/project_services/buildkite_service_spec.rb
index dbd23ff5491..05b602d8106 100644
--- a/spec/models/project_services/buildkite_service_spec.rb
+++ b/spec/models/project_services/buildkite_service_spec.rb
@@ -92,7 +92,7 @@ describe BuildkiteService, models: true, caching: true do
         end
 
         it 'passes through build status untouched when status is 200' do
-          stub_request(body: %Q({"status":"Great Success"}))
+          stub_request(body: %q({"status":"Great Success"}))
 
           is_expected.to eq('Great Success')
         end
@@ -101,7 +101,7 @@ describe BuildkiteService, models: true, caching: true do
   end
 
   def stub_request(status: 200, body: nil)
-    body ||= %Q({"status":"success"})
+    body ||= %q({"status":"success"})
     buildkite_full_url = 'https://gitlab.buildkite.com/status/secret-sauce-status-token.json?commit=123'
 
     WebMock.stub_request(:get, buildkite_full_url).to_return(
diff --git a/spec/models/project_services/drone_ci_service_spec.rb b/spec/models/project_services/drone_ci_service_spec.rb
index f9307d6de7b..47ca802ebc2 100644
--- a/spec/models/project_services/drone_ci_service_spec.rb
+++ b/spec/models/project_services/drone_ci_service_spec.rb
@@ -50,7 +50,7 @@ describe DroneCiService, models: true, caching: true do
     end
 
     def stub_request(status: 200, body: nil)
-      body ||= %Q({"status":"success"})
+      body ||= %q({"status":"success"})
 
       WebMock.stub_request(:get, commit_status_path).to_return(
         status: status,
@@ -95,12 +95,12 @@ describe DroneCiService, models: true, caching: true do
         is_expected.to eq(:error)
       end
 
-      { "killed"  => :canceled,
+      {
+        "killed"  => :canceled,
         "failure" => :failed,
         "error"   => :failed,
-        "success" => "success",
+        "success" => "success"
       }.each do |drone_status, our_status|
-
         it "sets commit status to #{our_status.inspect} when returned status is #{drone_status.inspect}" do
           stub_request(body: %Q({"status":"#{drone_status}"}))
 
diff --git a/spec/models/project_services/irker_service_spec.rb b/spec/models/project_services/irker_service_spec.rb
index b9fb6f3f6f4..d5a16226d9d 100644
--- a/spec/models/project_services/irker_service_spec.rb
+++ b/spec/models/project_services/irker_service_spec.rb
@@ -59,8 +59,8 @@ describe IrkerService, models: true do
 
       conn = @irker_server.accept
       conn.readlines.each do |line|
-        msg = JSON.load(line.chomp("\n"))
-        expect(msg.keys).to match_array(['to', 'privmsg'])
+        msg = JSON.parse(line.chomp("\n"))
+        expect(msg.keys).to match_array(%w(to privmsg))
         expect(msg['to']).to match_array(["irc://chat.freenode.net/#commits",
                                           "irc://test.net/#test"])
       end
diff --git a/spec/models/project_services/kubernetes_service_spec.rb b/spec/models/project_services/kubernetes_service_spec.rb
index 9052479d35e..24356447fed 100644
--- a/spec/models/project_services/kubernetes_service_spec.rb
+++ b/spec/models/project_services/kubernetes_service_spec.rb
@@ -171,7 +171,7 @@ describe KubernetesService, models: true, caching: true do
 
     context 'with invalid pods' do
       it 'returns no terminals' do
-        stub_reactive_cache(service, pods: [ { "bad" => "pod" } ])
+        stub_reactive_cache(service, pods: [{ "bad" => "pod" }])
 
         is_expected.to be_empty
       end
@@ -184,7 +184,7 @@ describe KubernetesService, models: true, caching: true do
       before do
         stub_reactive_cache(
           service,
-          pods: [ pod, pod, kube_pod(app: "should-be-filtered-out") ]
+          pods: [pod, pod, kube_pod(app: "should-be-filtered-out")]
         )
       end
 
diff --git a/spec/models/project_services/mattermost_slash_commands_service_spec.rb b/spec/models/project_services/mattermost_slash_commands_service_spec.rb
index 98f3d420c8a..598ff232c82 100644
--- a/spec/models/project_services/mattermost_slash_commands_service_spec.rb
+++ b/spec/models/project_services/mattermost_slash_commands_service_spec.rb
@@ -36,7 +36,8 @@ describe MattermostSlashCommandsService, :models do
               description: "Perform common operations on: #{project.name_with_namespace}",
               display_name: "GitLab / #{project.name_with_namespace}",
               method: 'P',
-              username: 'GitLab' }.to_json).
+              username: 'GitLab'
+            }.to_json).
             to_return(
               status: 200,
               headers: { 'Content-Type' => 'application/json' },
diff --git a/spec/models/project_services/teamcity_service_spec.rb b/spec/models/project_services/teamcity_service_spec.rb
index a1edd083aa1..77b18e1c7d0 100644
--- a/spec/models/project_services/teamcity_service_spec.rb
+++ b/spec/models/project_services/teamcity_service_spec.rb
@@ -143,7 +143,7 @@ describe TeamcityService, models: true, caching: true do
       end
 
       it 'returns a build URL when teamcity_url has no trailing slash' do
-        stub_request(body: %Q({"build":{"id":"666"}}))
+        stub_request(body: %q({"build":{"id":"666"}}))
 
         is_expected.to eq('http://gitlab.com/teamcity/viewLog.html?buildId=666&buildTypeId=foo')
       end
@@ -152,7 +152,7 @@ describe TeamcityService, models: true, caching: true do
         let(:teamcity_url) { 'http://gitlab.com/teamcity/' }
 
         it 'returns a build URL' do
-          stub_request(body: %Q({"build":{"id":"666"}}))
+          stub_request(body: %q({"build":{"id":"666"}}))
 
           is_expected.to eq('http://gitlab.com/teamcity/viewLog.html?buildId=666&buildTypeId=foo')
         end
diff --git a/spec/models/repository_spec.rb b/spec/models/repository_spec.rb
index 838fd3754b2..43aac31d8b7 100644
--- a/spec/models/repository_spec.rb
+++ b/spec/models/repository_spec.rb
@@ -1382,13 +1382,13 @@ describe Repository, models: true do
 
   describe '#branch_count' do
     it 'returns the number of branches' do
-      expect(repository.branch_count).to be_an_instance_of(Fixnum)
+      expect(repository.branch_count).to be_an(Integer)
     end
   end
 
   describe '#tag_count' do
     it 'returns the number of tags' do
-      expect(repository.tag_count).to be_an_instance_of(Fixnum)
+      expect(repository.tag_count).to be_an(Integer)
     end
   end
 
@@ -1738,7 +1738,7 @@ describe Repository, models: true do
 
     context 'with an existing repository' do
       it 'returns the commit count' do
-        expect(repository.commit_count).to be_an_instance_of(Fixnum)
+        expect(repository.commit_count).to be_an(Integer)
       end
     end
   end
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 584a4facd94..b69fd24c586 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -693,9 +693,7 @@ describe User, models: true do
   end
 
   describe '.search_with_secondary_emails' do
-    def search_with_secondary_emails(query)
-      described_class.search_with_secondary_emails(query)
-    end
+    delegate :search_with_secondary_emails, to: :described_class
 
     let!(:user) { create(:user) }
     let!(:email) { create(:email) }
diff --git a/spec/requests/api/branches_spec.rb b/spec/requests/api/branches_spec.rb
index 2e6db0f43c6..5571f6cc107 100644
--- a/spec/requests/api/branches_spec.rb
+++ b/spec/requests/api/branches_spec.rb
@@ -272,7 +272,7 @@ describe API::Branches, api: true  do
   describe "POST /projects/:id/repository/branches" do
     it "creates a new branch" do
       post api("/projects/#{project.id}/repository/branches", user),
-           branch_name: 'feature1',
+           branch: 'feature1',
            ref: branch_sha
 
       expect(response).to have_http_status(201)
@@ -283,14 +283,14 @@ describe API::Branches, api: true  do
 
     it "denies for user without push access" do
       post api("/projects/#{project.id}/repository/branches", user2),
-           branch_name: branch_name,
+           branch: branch_name,
            ref: branch_sha
       expect(response).to have_http_status(403)
     end
 
     it 'returns 400 if branch name is invalid' do
       post api("/projects/#{project.id}/repository/branches", user),
-           branch_name: 'new design',
+           branch: 'new design',
            ref: branch_sha
       expect(response).to have_http_status(400)
       expect(json_response['message']).to eq('Branch name is invalid')
@@ -298,12 +298,12 @@ describe API::Branches, api: true  do
 
     it 'returns 400 if branch already exists' do
       post api("/projects/#{project.id}/repository/branches", user),
-           branch_name: 'new_design1',
+           branch: 'new_design1',
            ref: branch_sha
       expect(response).to have_http_status(201)
 
       post api("/projects/#{project.id}/repository/branches", user),
-           branch_name: 'new_design1',
+           branch: 'new_design1',
            ref: branch_sha
       expect(response).to have_http_status(400)
       expect(json_response['message']).to eq('Branch already exists')
@@ -311,7 +311,7 @@ describe API::Branches, api: true  do
 
     it 'returns 400 if ref name is invalid' do
       post api("/projects/#{project.id}/repository/branches", user),
-           branch_name: 'new_design3',
+           branch: 'new_design3',
            ref: 'foo'
       expect(response).to have_http_status(400)
       expect(json_response['message']).to eq('Invalid reference name')
@@ -326,14 +326,14 @@ describe API::Branches, api: true  do
     it "removes branch" do
       delete api("/projects/#{project.id}/repository/branches/#{branch_name}", user)
       expect(response).to have_http_status(200)
-      expect(json_response['branch_name']).to eq(branch_name)
+      expect(json_response['branch']).to eq(branch_name)
     end
 
     it "removes a branch with dots in the branch name" do
       delete api("/projects/#{project.id}/repository/branches/with.1.2.3", user)
 
       expect(response).to have_http_status(200)
-      expect(json_response['branch_name']).to eq("with.1.2.3")
+      expect(json_response['branch']).to eq("with.1.2.3")
     end
 
     it 'returns 404 if branch not exists' do
diff --git a/spec/requests/api/builds_spec.rb b/spec/requests/api/builds_spec.rb
index 38aef7f2767..76a10a2374c 100644
--- a/spec/requests/api/builds_spec.rb
+++ b/spec/requests/api/builds_spec.rb
@@ -16,6 +16,8 @@ describe API::Builds, api: true do
     let(:query) { '' }
 
     before do
+      create(:ci_build, :skipped, pipeline: pipeline)
+
       get api("/projects/#{project.id}/builds?#{query}", api_user)
     end
 
@@ -49,6 +51,18 @@ describe API::Builds, api: true do
         end
       end
 
+      context 'filter project with scope skipped' do
+        let(:query) { 'scope=skipped' }
+        let(:json_build) { json_response.first }
+
+        it 'return builds with status skipped' do
+          expect(response).to have_http_status 200
+          expect(json_response).to be_an Array
+          expect(json_response.length).to eq 1
+          expect(json_build['status']).to eq 'skipped'
+        end
+      end
+
       context 'filter project with array of scope elements' do
         let(:query) { 'scope[0]=pending&scope[1]=running' }
 
diff --git a/spec/requests/api/commits_spec.rb b/spec/requests/api/commits_spec.rb
index ecc6a597869..8b3dfedc5a9 100644
--- a/spec/requests/api/commits_spec.rb
+++ b/spec/requests/api/commits_spec.rb
@@ -107,7 +107,7 @@ describe API::Commits, api: true  do
       let(:message) { 'Created file' }
       let!(:invalid_c_params) do
         {
-          branch_name: 'master',
+          branch: 'master',
           commit_message: message,
           actions: [
             {
@@ -120,7 +120,7 @@ describe API::Commits, api: true  do
       end
       let!(:valid_c_params) do
         {
-          branch_name: 'master',
+          branch: 'master',
           commit_message: message,
           actions: [
             {
@@ -162,7 +162,7 @@ describe API::Commits, api: true  do
       let(:message) { 'Deleted file' }
       let!(:invalid_d_params) do
         {
-          branch_name: 'markdown',
+          branch: 'markdown',
           commit_message: message,
           actions: [
             {
@@ -174,7 +174,7 @@ describe API::Commits, api: true  do
       end
       let!(:valid_d_params) do
         {
-          branch_name: 'markdown',
+          branch: 'markdown',
           commit_message: message,
           actions: [
             {
@@ -203,7 +203,7 @@ describe API::Commits, api: true  do
       let(:message) { 'Moved file' }
       let!(:invalid_m_params) do
         {
-          branch_name: 'feature',
+          branch: 'feature',
           commit_message: message,
           actions: [
             {
@@ -217,7 +217,7 @@ describe API::Commits, api: true  do
       end
       let!(:valid_m_params) do
         {
-          branch_name: 'feature',
+          branch: 'feature',
           commit_message: message,
           actions: [
             {
@@ -248,7 +248,7 @@ describe API::Commits, api: true  do
       let(:message) { 'Updated file' }
       let!(:invalid_u_params) do
         {
-          branch_name: 'master',
+          branch: 'master',
           commit_message: message,
           actions: [
             {
@@ -261,7 +261,7 @@ describe API::Commits, api: true  do
       end
       let!(:valid_u_params) do
         {
-          branch_name: 'master',
+          branch: 'master',
           commit_message: message,
           actions: [
             {
@@ -291,7 +291,7 @@ describe API::Commits, api: true  do
       let(:message) { 'Multiple actions' }
       let!(:invalid_mo_params) do
         {
-          branch_name: 'master',
+          branch: 'master',
           commit_message: message,
           actions: [
             {
@@ -319,7 +319,7 @@ describe API::Commits, api: true  do
       end
       let!(:valid_mo_params) do
         {
-          branch_name: 'master',
+          branch: 'master',
           commit_message: message,
           actions: [
             {
diff --git a/spec/requests/api/files_spec.rb b/spec/requests/api/files_spec.rb
index 5e26e779366..a8ce0430401 100644
--- a/spec/requests/api/files_spec.rb
+++ b/spec/requests/api/files_spec.rb
@@ -104,7 +104,7 @@ describe API::Files, api: true  do
     let(:valid_params) do
       {
         file_path: 'newfile.rb',
-        branch_name: 'master',
+        branch: 'master',
         content: 'puts 8',
         commit_message: 'Added newfile'
       }
@@ -153,7 +153,7 @@ describe API::Files, api: true  do
     let(:valid_params) do
       {
         file_path: file_path,
-        branch_name: 'master',
+        branch: 'master',
         content: 'puts 8',
         commit_message: 'Changed file'
       }
@@ -193,7 +193,7 @@ describe API::Files, api: true  do
     let(:valid_params) do
       {
         file_path: file_path,
-        branch_name: 'master',
+        branch: 'master',
         commit_message: 'Changed file'
       }
     end
@@ -241,7 +241,7 @@ describe API::Files, api: true  do
     let(:put_params) do
       {
         file_path: file_path,
-        branch_name: 'master',
+        branch: 'master',
         content: 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAACnej3aAAAAAXRSTlMAQObYZgAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=',
         commit_message: 'Binary file with a \n should not be touched',
         encoding: 'base64'
diff --git a/spec/requests/api/groups_spec.rb b/spec/requests/api/groups_spec.rb
index a59112579e5..9c3a92bedbd 100644
--- a/spec/requests/api/groups_spec.rb
+++ b/spec/requests/api/groups_spec.rb
@@ -303,7 +303,7 @@ describe API::Groups, api: true  do
         expect(response).to have_http_status(200)
         expect(response).to include_pagination_headers
         expect(json_response.length).to eq(2)
-        project_names = json_response.map { |proj| proj['name' ] }
+        project_names = json_response.map { |proj| proj['name'] }
         expect(project_names).to match_array([project1.name, project3.name])
         expect(json_response.first['visibility_level']).to be_present
       end
@@ -314,7 +314,7 @@ describe API::Groups, api: true  do
         expect(response).to have_http_status(200)
         expect(response).to include_pagination_headers
         expect(json_response.length).to eq(2)
-        project_names = json_response.map { |proj| proj['name' ] }
+        project_names = json_response.map { |proj| proj['name'] }
         expect(project_names).to match_array([project1.name, project3.name])
         expect(json_response.first['visibility_level']).not_to be_present
       end
@@ -398,7 +398,7 @@ describe API::Groups, api: true  do
 
         expect(response).to have_http_status(200)
         expect(response).to include_pagination_headers
-        project_names = json_response.map { |proj| proj['name' ] }
+        project_names = json_response.map { |proj| proj['name'] }
         expect(project_names).to match_array([project1.name, project3.name])
       end
 
diff --git a/spec/requests/api/issues_spec.rb b/spec/requests/api/issues_spec.rb
index ece1b43567d..7cb75310204 100644
--- a/spec/requests/api/issues_spec.rb
+++ b/spec/requests/api/issues_spec.rb
@@ -775,7 +775,7 @@ describe API::Issues, api: true  do
       expect(response).to have_http_status(201)
       expect(json_response['title']).to eq('new issue')
       expect(json_response['description']).to be_nil
-      expect(json_response['labels']).to eq(['label', 'label2'])
+      expect(json_response['labels']).to eq(%w(label label2))
       expect(json_response['confidential']).to be_falsy
     end
 
@@ -1028,6 +1028,33 @@ describe API::Issues, api: true  do
     end
   end
 
+  describe 'PUT /projects/:id/issues/:issue_id with spam filtering' do
+    let(:params) do
+      {
+        title: 'updated title',
+        description: 'content here',
+        labels: 'label, label2'
+      }
+    end
+
+    it "does not create a new project issue" do
+      allow_any_instance_of(SpamService).to receive_messages(check_for_spam?: true)
+      allow_any_instance_of(AkismetService).to receive_messages(is_spam?: true)
+
+      put api("/projects/#{project.id}/issues/#{issue.id}", user), params
+
+      expect(response).to have_http_status(400)
+      expect(json_response['message']).to eq({ "error" => "Spam detected" })
+
+      spam_logs = SpamLog.all
+      expect(spam_logs.count).to eq(1)
+      expect(spam_logs[0].title).to eq('updated title')
+      expect(spam_logs[0].description).to eq('content here')
+      expect(spam_logs[0].user).to eq(user)
+      expect(spam_logs[0].noteable_type).to eq('Issue')
+    end
+  end
+
   describe 'PUT /projects/:id/issues/:issue_id to update labels' do
     let!(:label) { create(:label, title: 'dummy', project: project) }
     let!(:label_link) { create(:label_link, label: label, target: issue) }
@@ -1232,55 +1259,55 @@ describe API::Issues, api: true  do
     end
   end
 
-  describe 'POST :id/issues/:issue_id/subscription' do
+  describe 'POST :id/issues/:issue_id/subscribe' do
     it 'subscribes to an issue' do
-      post api("/projects/#{project.id}/issues/#{issue.id}/subscription", user2)
+      post api("/projects/#{project.id}/issues/#{issue.id}/subscribe", user2)
 
       expect(response).to have_http_status(201)
       expect(json_response['subscribed']).to eq(true)
     end
 
     it 'returns 304 if already subscribed' do
-      post api("/projects/#{project.id}/issues/#{issue.id}/subscription", user)
+      post api("/projects/#{project.id}/issues/#{issue.id}/subscribe", user)
 
       expect(response).to have_http_status(304)
     end
 
     it 'returns 404 if the issue is not found' do
-      post api("/projects/#{project.id}/issues/123/subscription", user)
+      post api("/projects/#{project.id}/issues/123/subscribe", user)
 
       expect(response).to have_http_status(404)
     end
 
     it 'returns 404 if the issue is confidential' do
-      post api("/projects/#{project.id}/issues/#{confidential_issue.id}/subscription", non_member)
+      post api("/projects/#{project.id}/issues/#{confidential_issue.id}/subscribe", non_member)
 
       expect(response).to have_http_status(404)
     end
   end
 
-  describe 'DELETE :id/issues/:issue_id/subscription' do
+  describe 'POST :id/issues/:issue_id/unsubscribe' do
     it 'unsubscribes from an issue' do
-      delete api("/projects/#{project.id}/issues/#{issue.id}/subscription", user)
+      post api("/projects/#{project.id}/issues/#{issue.id}/unsubscribe", user)
 
-      expect(response).to have_http_status(200)
+      expect(response).to have_http_status(201)
       expect(json_response['subscribed']).to eq(false)
     end
 
     it 'returns 304 if not subscribed' do
-      delete api("/projects/#{project.id}/issues/#{issue.id}/subscription", user2)
+      post api("/projects/#{project.id}/issues/#{issue.id}/unsubscribe", user2)
 
       expect(response).to have_http_status(304)
     end
 
     it 'returns 404 if the issue is not found' do
-      delete api("/projects/#{project.id}/issues/123/subscription", user)
+      post api("/projects/#{project.id}/issues/123/unsubscribe", user)
 
       expect(response).to have_http_status(404)
     end
 
     it 'returns 404 if the issue is confidential' do
-      delete api("/projects/#{project.id}/issues/#{confidential_issue.id}/subscription", non_member)
+      post api("/projects/#{project.id}/issues/#{confidential_issue.id}/unsubscribe", non_member)
 
       expect(response).to have_http_status(404)
     end
diff --git a/spec/requests/api/labels_spec.rb b/spec/requests/api/labels_spec.rb
index 5d7a76cf3be..af271dbd4f5 100644
--- a/spec/requests/api/labels_spec.rb
+++ b/spec/requests/api/labels_spec.rb
@@ -21,11 +21,11 @@ describe API::Labels, api: true  do
       create(:labeled_issue, project: project, labels: [label1], author: user, state: :closed)
       create(:labeled_merge_request, labels: [priority_label], author: user, source_project: project )
 
-      expected_keys = [
-        'id', 'name', 'color', 'description',
-        'open_issues_count', 'closed_issues_count', 'open_merge_requests_count',
-        'subscribed', 'priority'
-      ]
+      expected_keys = %w(
+        id name color description
+        open_issues_count closed_issues_count open_merge_requests_count
+        subscribed priority
+      )
 
       get api("/projects/#{project.id}/labels", user)
 
@@ -318,10 +318,10 @@ describe API::Labels, api: true  do
     end
   end
 
-  describe "POST /projects/:id/labels/:label_id/subscription" do
+  describe "POST /projects/:id/labels/:label_id/subscribe" do
     context "when label_id is a label title" do
       it "subscribes to the label" do
-        post api("/projects/#{project.id}/labels/#{label1.title}/subscription", user)
+        post api("/projects/#{project.id}/labels/#{label1.title}/subscribe", user)
 
         expect(response).to have_http_status(201)
         expect(json_response["name"]).to eq(label1.title)
@@ -331,7 +331,7 @@ describe API::Labels, api: true  do
 
     context "when label_id is a label ID" do
       it "subscribes to the label" do
-        post api("/projects/#{project.id}/labels/#{label1.id}/subscription", user)
+        post api("/projects/#{project.id}/labels/#{label1.id}/subscribe", user)
 
         expect(response).to have_http_status(201)
         expect(json_response["name"]).to eq(label1.title)
@@ -343,7 +343,7 @@ describe API::Labels, api: true  do
       before { label1.subscribe(user, project) }
 
       it "returns 304" do
-        post api("/projects/#{project.id}/labels/#{label1.id}/subscription", user)
+        post api("/projects/#{project.id}/labels/#{label1.id}/subscribe", user)
 
         expect(response).to have_http_status(304)
       end
@@ -351,21 +351,21 @@ describe API::Labels, api: true  do
 
     context "when label ID is not found" do
       it "returns 404 error" do
-        post api("/projects/#{project.id}/labels/1234/subscription", user)
+        post api("/projects/#{project.id}/labels/1234/subscribe", user)
 
         expect(response).to have_http_status(404)
       end
     end
   end
 
-  describe "DELETE /projects/:id/labels/:label_id/subscription" do
+  describe "POST /projects/:id/labels/:label_id/unsubscribe" do
     before { label1.subscribe(user, project) }
 
     context "when label_id is a label title" do
       it "unsubscribes from the label" do
-        delete api("/projects/#{project.id}/labels/#{label1.title}/subscription", user)
+        post api("/projects/#{project.id}/labels/#{label1.title}/unsubscribe", user)
 
-        expect(response).to have_http_status(200)
+        expect(response).to have_http_status(201)
         expect(json_response["name"]).to eq(label1.title)
         expect(json_response["subscribed"]).to be_falsey
       end
@@ -373,9 +373,9 @@ describe API::Labels, api: true  do
 
     context "when label_id is a label ID" do
       it "unsubscribes from the label" do
-        delete api("/projects/#{project.id}/labels/#{label1.id}/subscription", user)
+        post api("/projects/#{project.id}/labels/#{label1.id}/unsubscribe", user)
 
-        expect(response).to have_http_status(200)
+        expect(response).to have_http_status(201)
         expect(json_response["name"]).to eq(label1.title)
         expect(json_response["subscribed"]).to be_falsey
       end
@@ -385,7 +385,7 @@ describe API::Labels, api: true  do
       before { label1.unsubscribe(user, project) }
 
       it "returns 304" do
-        delete api("/projects/#{project.id}/labels/#{label1.id}/subscription", user)
+        post api("/projects/#{project.id}/labels/#{label1.id}/unsubscribe", user)
 
         expect(response).to have_http_status(304)
       end
@@ -393,7 +393,7 @@ describe API::Labels, api: true  do
 
     context "when label ID is not found" do
       it "returns 404 error" do
-        delete api("/projects/#{project.id}/labels/1234/subscription", user)
+        post api("/projects/#{project.id}/labels/1234/unsubscribe", user)
 
         expect(response).to have_http_status(404)
       end
diff --git a/spec/requests/api/merge_requests_spec.rb b/spec/requests/api/merge_requests_spec.rb
index f4dee4a4ca1..b87d0cd7de9 100644
--- a/spec/requests/api/merge_requests_spec.rb
+++ b/spec/requests/api/merge_requests_spec.rb
@@ -250,7 +250,7 @@ describe API::MergeRequests, api: true  do
 
         expect(response).to have_http_status(201)
         expect(json_response['title']).to eq('Test merge_request')
-        expect(json_response['labels']).to eq(['label', 'label2'])
+        expect(json_response['labels']).to eq(%w(label label2))
         expect(json_response['milestone']['id']).to eq(milestone.id)
         expect(json_response['force_remove_source_branch']).to be_truthy
       end
@@ -662,22 +662,22 @@ describe API::MergeRequests, api: true  do
     end
   end
 
-  describe 'POST :id/merge_requests/:merge_request_id/subscription' do
+  describe 'POST :id/merge_requests/:merge_request_id/subscribe' do
     it 'subscribes to a merge request' do
-      post api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscription", admin)
+      post api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscribe", admin)
 
       expect(response).to have_http_status(201)
       expect(json_response['subscribed']).to eq(true)
     end
 
     it 'returns 304 if already subscribed' do
-      post api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscription", user)
+      post api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscribe", user)
 
       expect(response).to have_http_status(304)
     end
 
     it 'returns 404 if the merge request is not found' do
-      post api("/projects/#{project.id}/merge_requests/123/subscription", user)
+      post api("/projects/#{project.id}/merge_requests/123/subscribe", user)
 
       expect(response).to have_http_status(404)
     end
@@ -686,28 +686,28 @@ describe API::MergeRequests, api: true  do
       guest = create(:user)
       project.team << [guest, :guest]
 
-      post api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscription", guest)
+      post api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscribe", guest)
 
       expect(response).to have_http_status(403)
     end
   end
 
-  describe 'DELETE :id/merge_requests/:merge_request_id/subscription' do
+  describe 'POST :id/merge_requests/:merge_request_id/unsubscribe' do
     it 'unsubscribes from a merge request' do
-      delete api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscription", user)
+      post api("/projects/#{project.id}/merge_requests/#{merge_request.id}/unsubscribe", user)
 
-      expect(response).to have_http_status(200)
+      expect(response).to have_http_status(201)
       expect(json_response['subscribed']).to eq(false)
     end
 
     it 'returns 304 if not subscribed' do
-      delete api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscription", admin)
+      post api("/projects/#{project.id}/merge_requests/#{merge_request.id}/unsubscribe", admin)
 
       expect(response).to have_http_status(304)
     end
 
     it 'returns 404 if the merge request is not found' do
-      post api("/projects/#{project.id}/merge_requests/123/subscription", user)
+      post api("/projects/#{project.id}/merge_requests/123/unsubscribe", user)
 
       expect(response).to have_http_status(404)
     end
@@ -716,7 +716,7 @@ describe API::MergeRequests, api: true  do
       guest = create(:user)
       project.team << [guest, :guest]
 
-      delete api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscription", guest)
+      post api("/projects/#{project.id}/merge_requests/#{merge_request.id}/unsubscribe", guest)
 
       expect(response).to have_http_status(403)
     end
diff --git a/spec/requests/api/project_snippets_spec.rb b/spec/requests/api/project_snippets_spec.rb
index f56876bcf54..da9df56401b 100644
--- a/spec/requests/api/project_snippets_spec.rb
+++ b/spec/requests/api/project_snippets_spec.rb
@@ -78,43 +78,33 @@ describe API::ProjectSnippets, api: true do
         allow_any_instance_of(AkismetService).to receive(:is_spam?).and_return(true)
       end
 
-      context 'when the project is private' do
-        let(:private_project) { create(:project_empty_repo, :private) }
-
-        context 'when the snippet is public' do
-          it 'creates the snippet' do
-            expect { create_snippet(private_project, visibility_level: Snippet::PUBLIC) }.
-              to change { Snippet.count }.by(1)
-          end
+      context 'when the snippet is private' do
+        it 'creates the snippet' do
+          expect { create_snippet(project, visibility_level: Snippet::PRIVATE) }.
+            to change { Snippet.count }.by(1)
         end
       end
 
-      context 'when the project is public' do
-        context 'when the snippet is private' do
-          it 'creates the snippet' do
-            expect { create_snippet(project, visibility_level: Snippet::PRIVATE) }.
-              to change { Snippet.count }.by(1)
-          end
+      context 'when the snippet is public' do
+        it 'rejects the shippet' do
+          expect { create_snippet(project, visibility_level: Snippet::PUBLIC) }.
+            not_to change { Snippet.count }
+
+          expect(response).to have_http_status(400)
+          expect(json_response['message']).to eq({ "error" => "Spam detected" })
         end
 
-        context 'when the snippet is public' do
-          it 'rejects the shippet' do
-            expect { create_snippet(project, visibility_level: Snippet::PUBLIC) }.
-              not_to change { Snippet.count }
-            expect(response).to have_http_status(400)
-          end
-
-          it 'creates a spam log' do
-            expect { create_snippet(project, visibility_level: Snippet::PUBLIC) }.
-              to change { SpamLog.count }.by(1)
-          end
+        it 'creates a spam log' do
+          expect { create_snippet(project, visibility_level: Snippet::PUBLIC) }.
+            to change { SpamLog.count }.by(1)
         end
       end
     end
   end
 
   describe 'PUT /projects/:project_id/snippets/:id/' do
-    let(:snippet) { create(:project_snippet, author: admin) }
+    let(:visibility_level) { Snippet::PUBLIC }
+    let(:snippet) { create(:project_snippet, author: admin, visibility_level: visibility_level) }
 
     it 'updates snippet' do
       new_content = 'New content'
@@ -138,6 +128,56 @@ describe API::ProjectSnippets, api: true do
 
       expect(response).to have_http_status(400)
     end
+
+    context 'when the snippet is spam' do
+      def update_snippet(snippet_params = {})
+        put api("/projects/#{snippet.project.id}/snippets/#{snippet.id}", admin), snippet_params
+      end
+
+      before do
+        allow_any_instance_of(AkismetService).to receive(:is_spam?).and_return(true)
+      end
+
+      context 'when the snippet is private' do
+        let(:visibility_level) { Snippet::PRIVATE }
+
+        it 'creates the snippet' do
+          expect { update_snippet(title: 'Foo') }.
+            to change { snippet.reload.title }.to('Foo')
+        end
+      end
+
+      context 'when the snippet is public' do
+        let(:visibility_level) { Snippet::PUBLIC }
+
+        it 'rejects the snippet' do
+          expect { update_snippet(title: 'Foo') }.
+            not_to change { snippet.reload.title }
+        end
+
+        it 'creates a spam log' do
+          expect { update_snippet(title: 'Foo') }.
+            to change { SpamLog.count }.by(1)
+        end
+      end
+
+      context 'when the private snippet is made public' do
+        let(:visibility_level) { Snippet::PRIVATE }
+
+        it 'rejects the snippet' do
+          expect { update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC) }.
+            not_to change { snippet.reload.title }
+
+          expect(response).to have_http_status(400)
+          expect(json_response['message']).to eq({ "error" => "Spam detected" })
+        end
+
+        it 'creates a spam log' do
+          expect { update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC) }.
+            to change { SpamLog.count }.by(1)
+        end
+      end
+    end
   end
 
   describe 'DELETE /projects/:project_id/snippets/:id/' do
diff --git a/spec/requests/api/projects_spec.rb b/spec/requests/api/projects_spec.rb
index 4e90aae9279..8d139782fdf 100644
--- a/spec/requests/api/projects_spec.rb
+++ b/spec/requests/api/projects_spec.rb
@@ -121,7 +121,7 @@ describe API::Projects, api: true  do
 
       context 'and with simple=true' do
         it 'returns a simplified version of all the projects' do
-          expected_keys = ["id", "http_url_to_repo", "web_url", "name", "name_with_namespace", "path", "path_with_namespace"]
+          expected_keys = %w(id http_url_to_repo web_url name name_with_namespace path path_with_namespace)
 
           get api('/projects?simple=true', user)
 
@@ -1422,4 +1422,53 @@ describe API::Projects, api: true  do
       end
     end
   end
+
+  describe 'POST /projects/:id/housekeeping' do
+    let(:housekeeping) { Projects::HousekeepingService.new(project) }
+
+    before do
+      allow(Projects::HousekeepingService).to receive(:new).with(project).and_return(housekeeping)
+    end
+
+    context 'when authenticated as owner' do
+      it 'starts the housekeeping process' do
+        expect(housekeeping).to receive(:execute).once
+
+        post api("/projects/#{project.id}/housekeeping", user)
+
+        expect(response).to have_http_status(201)
+      end
+
+      context 'when housekeeping lease is taken' do
+        it 'returns conflict' do
+          expect(housekeeping).to receive(:execute).once.and_raise(Projects::HousekeepingService::LeaseTaken)
+
+          post api("/projects/#{project.id}/housekeeping", user)
+
+          expect(response).to have_http_status(409)
+          expect(json_response['message']).to match(/Somebody already triggered housekeeping for this project/)
+        end
+      end
+    end
+
+    context 'when authenticated as developer' do
+      before do
+        project_member2
+      end
+
+      it 'returns forbidden error' do
+        post api("/projects/#{project.id}/housekeeping", user3)
+
+        expect(response).to have_http_status(403)
+      end
+    end
+
+    context 'when unauthenticated' do
+      it 'returns authentication error' do
+        post api("/projects/#{project.id}/housekeeping")
+
+        expect(response).to have_http_status(401)
+      end
+    end
+  end
 end
diff --git a/spec/requests/api/snippets_spec.rb b/spec/requests/api/snippets_spec.rb
index 1ef92930b3c..41def7cd1d4 100644
--- a/spec/requests/api/snippets_spec.rb
+++ b/spec/requests/api/snippets_spec.rb
@@ -129,7 +129,9 @@ describe API::Snippets, api: true do
         it 'rejects the shippet' do
           expect { create_snippet(visibility_level: Snippet::PUBLIC) }.
             not_to change { Snippet.count }
+
           expect(response).to have_http_status(400)
+          expect(json_response['message']).to eq({ "error" => "Spam detected" })
         end
 
         it 'creates a spam log' do
@@ -141,16 +143,20 @@ describe API::Snippets, api: true do
   end
 
   describe 'PUT /snippets/:id' do
+    let(:visibility_level) { Snippet::PUBLIC }
     let(:other_user) { create(:user) }
-    let(:public_snippet) { create(:personal_snippet, :public, author: user) }
+    let(:snippet) do
+      create(:personal_snippet, author: user, visibility_level: visibility_level)
+    end
+
     it 'updates snippet' do
       new_content = 'New content'
 
-      put api("/snippets/#{public_snippet.id}", user), content: new_content
+      put api("/snippets/#{snippet.id}", user), content: new_content
 
       expect(response).to have_http_status(200)
-      public_snippet.reload
-      expect(public_snippet.content).to eq(new_content)
+      snippet.reload
+      expect(snippet.content).to eq(new_content)
     end
 
     it 'returns 404 for invalid snippet id' do
@@ -161,7 +167,7 @@ describe API::Snippets, api: true do
     end
 
     it "returns 404 for another user's snippet" do
-      put api("/snippets/#{public_snippet.id}", other_user), title: 'fubar'
+      put api("/snippets/#{snippet.id}", other_user), title: 'fubar'
 
       expect(response).to have_http_status(404)
       expect(json_response['message']).to eq('404 Snippet Not Found')
@@ -172,6 +178,56 @@ describe API::Snippets, api: true do
 
       expect(response).to have_http_status(400)
     end
+
+    context 'when the snippet is spam' do
+      def update_snippet(snippet_params = {})
+        put api("/snippets/#{snippet.id}", user), snippet_params
+      end
+
+      before do
+        allow_any_instance_of(AkismetService).to receive(:is_spam?).and_return(true)
+      end
+
+      context 'when the snippet is private' do
+        let(:visibility_level) { Snippet::PRIVATE }
+
+        it 'updates the snippet' do
+          expect { update_snippet(title: 'Foo') }.
+            to change { snippet.reload.title }.to('Foo')
+        end
+      end
+
+      context 'when the snippet is public' do
+        let(:visibility_level) { Snippet::PUBLIC }
+
+        it 'rejects the shippet' do
+          expect { update_snippet(title: 'Foo') }.
+            not_to change { snippet.reload.title }
+
+          expect(response).to have_http_status(400)
+          expect(json_response['message']).to eq({ "error" => "Spam detected" })
+        end
+
+        it 'creates a spam log' do
+          expect { update_snippet(title: 'Foo') }.
+            to change { SpamLog.count }.by(1)
+        end
+      end
+
+      context 'when a private snippet is made public' do
+        let(:visibility_level) { Snippet::PRIVATE }
+
+        it 'rejects the snippet' do
+          expect { update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC) }.
+            not_to change { snippet.reload.title }
+        end
+
+        it 'creates a spam log' do
+          expect { update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC) }.
+            to change { SpamLog.count }.by(1)
+        end
+      end
+    end
   end
 
   describe 'DELETE /snippets/:id' do
diff --git a/spec/requests/api/templates_spec.rb b/spec/requests/api/templates_spec.rb
index 8506e8fccde..2c83e119065 100644
--- a/spec/requests/api/templates_spec.rb
+++ b/spec/requests/api/templates_spec.rb
@@ -58,11 +58,11 @@ describe API::Templates, api: true  do
       expect(json_response['popular']).to be true
       expect(json_response['html_url']).to eq('http://choosealicense.com/licenses/mit/')
       expect(json_response['source_url']).to eq('https://opensource.org/licenses/MIT')
-      expect(json_response['description']).to include('A permissive license that is short and to the point.')
+      expect(json_response['description']).to include('A short and simple permissive license with conditions')
       expect(json_response['conditions']).to eq(%w[include-copyright])
       expect(json_response['permissions']).to eq(%w[commercial-use modifications distribution private-use])
       expect(json_response['limitations']).to eq(%w[no-liability])
-      expect(json_response['content']).to include('The MIT License (MIT)')
+      expect(json_response['content']).to include('MIT License')
     end
   end
 
@@ -73,7 +73,7 @@ describe API::Templates, api: true  do
       expect(response).to have_http_status(200)
       expect(response).to include_pagination_headers
       expect(json_response).to be_an Array
-      expect(json_response.size).to eq(15)
+      expect(json_response.size).to eq(12)
       expect(json_response.map { |l| l['key'] }).to include('agpl-3.0')
     end
 
@@ -102,7 +102,7 @@ describe API::Templates, api: true  do
         let(:license_type) { 'mit' }
 
         it 'returns the license text' do
-          expect(json_response['content']).to include('The MIT License (MIT)')
+          expect(json_response['content']).to include('MIT License')
         end
 
         it 'replaces placeholder values' do
diff --git a/spec/requests/api/todos_spec.rb b/spec/requests/api/todos_spec.rb
index 2069d2a7c75..f35e963a14b 100644
--- a/spec/requests/api/todos_spec.rb
+++ b/spec/requests/api/todos_spec.rb
@@ -107,46 +107,47 @@ describe API::Todos, api: true do
     end
   end
 
-  describe 'DELETE /todos/:id' do
+  describe 'POST /todos/:id/mark_as_done' do
     context 'when unauthenticated' do
       it 'returns authentication error' do
-        delete api("/todos/#{pending_1.id}")
+        post api("/todos/#{pending_1.id}/mark_as_done")
 
-        expect(response.status).to eq(401)
+        expect(response).to have_http_status(401)
       end
     end
 
     context 'when authenticated' do
       it 'marks a todo as done' do
-        delete api("/todos/#{pending_1.id}", john_doe)
+        post api("/todos/#{pending_1.id}/mark_as_done", john_doe)
 
-        expect(response.status).to eq(200)
+        expect(response).to have_http_status(201)
+        expect(json_response['id']).to eq(pending_1.id)
+        expect(json_response['state']).to eq('done')
         expect(pending_1.reload).to be_done
       end
 
       it 'updates todos cache' do
         expect_any_instance_of(User).to receive(:update_todos_count_cache).and_call_original
 
-        delete api("/todos/#{pending_1.id}", john_doe)
+        post api("/todos/#{pending_1.id}/mark_as_done", john_doe)
       end
     end
   end
 
-  describe 'DELETE /todos' do
+  describe 'POST /mark_as_done' do
     context 'when unauthenticated' do
       it 'returns authentication error' do
-        delete api('/todos')
+        post api('/todos/mark_as_done')
 
-        expect(response.status).to eq(401)
+        expect(response).to have_http_status(401)
       end
     end
 
     context 'when authenticated' do
       it 'marks all todos as done' do
-        delete api('/todos', john_doe)
+        post api('/todos/mark_as_done', john_doe)
 
-        expect(response.status).to eq(200)
-        expect(response.body).to eq('3')
+        expect(response).to have_http_status(204)
         expect(pending_1.reload).to be_done
         expect(pending_2.reload).to be_done
         expect(pending_3.reload).to be_done
@@ -155,7 +156,7 @@ describe API::Todos, api: true do
       it 'updates todos cache' do
         expect_any_instance_of(User).to receive(:update_todos_count_cache).and_call_original
 
-        delete api("/todos", john_doe)
+        post api("/todos/mark_as_done", john_doe)
       end
     end
   end
diff --git a/spec/requests/api/v3/commits_spec.rb b/spec/requests/api/v3/commits_spec.rb
new file mode 100644
index 00000000000..2d7584c3e59
--- /dev/null
+++ b/spec/requests/api/v3/commits_spec.rb
@@ -0,0 +1,578 @@
+require 'spec_helper'
+require 'mime/types'
+
+describe API::V3::Commits, api: true do
+  include ApiHelpers
+  let(:user) { create(:user) }
+  let(:user2) { create(:user) }
+  let!(:project) { create(:project, :repository, creator: user, namespace: user.namespace) }
+  let!(:master) { create(:project_member, :master, user: user, project: project) }
+  let!(:guest) { create(:project_member, :guest, user: user2, project: project) }
+  let!(:note) { create(:note_on_commit, author: user, project: project, commit_id: project.repository.commit.id, note: 'a comment on a commit') }
+  let!(:another_note) { create(:note_on_commit, author: user, project: project, commit_id: project.repository.commit.id, note: 'another comment on a commit') }
+
+  before { project.team << [user, :reporter] }
+
+  describe "List repository commits" do
+    context "authorized user" do
+      before { project.team << [user2, :reporter] }
+
+      it "returns project commits" do
+        commit = project.repository.commit
+        get v3_api("/projects/#{project.id}/repository/commits", user)
+
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_an Array
+        expect(json_response.first['id']).to eq(commit.id)
+        expect(json_response.first['committer_name']).to eq(commit.committer_name)
+        expect(json_response.first['committer_email']).to eq(commit.committer_email)
+      end
+    end
+
+    context "unauthorized user" do
+      it "does not return project commits" do
+        get v3_api("/projects/#{project.id}/repository/commits")
+        expect(response).to have_http_status(401)
+      end
+    end
+
+    context "since optional parameter" do
+      it "returns project commits since provided parameter" do
+        commits = project.repository.commits("master")
+        since = commits.second.created_at
+
+        get v3_api("/projects/#{project.id}/repository/commits?since=#{since.utc.iso8601}", user)
+
+        expect(json_response.size).to eq 2
+        expect(json_response.first["id"]).to eq(commits.first.id)
+        expect(json_response.second["id"]).to eq(commits.second.id)
+      end
+    end
+
+    context "until optional parameter" do
+      it "returns project commits until provided parameter" do
+        commits = project.repository.commits("master")
+        before = commits.second.created_at
+
+        get v3_api("/projects/#{project.id}/repository/commits?until=#{before.utc.iso8601}", user)
+
+        if commits.size >= 20
+          expect(json_response.size).to eq(20)
+        else
+          expect(json_response.size).to eq(commits.size - 1)
+        end
+
+        expect(json_response.first["id"]).to eq(commits.second.id)
+        expect(json_response.second["id"]).to eq(commits.third.id)
+      end
+    end
+
+    context "invalid xmlschema date parameters" do
+      it "returns an invalid parameter error message" do
+        get v3_api("/projects/#{project.id}/repository/commits?since=invalid-date", user)
+
+        expect(response).to have_http_status(400)
+        expect(json_response['error']).to eq('since is invalid')
+      end
+    end
+
+    context "path optional parameter" do
+      it "returns project commits matching provided path parameter" do
+        path = 'files/ruby/popen.rb'
+
+        get v3_api("/projects/#{project.id}/repository/commits?path=#{path}", user)
+
+        expect(json_response.size).to eq(3)
+        expect(json_response.first["id"]).to eq("570e7b2abdd848b95f2f578043fc23bd6f6fd24d")
+      end
+    end
+  end
+
+  describe "Create a commit with multiple files and actions" do
+    let!(:url) { "/projects/#{project.id}/repository/commits" }
+
+    it 'returns a 403 unauthorized for user without permissions' do
+      post v3_api(url, user2)
+
+      expect(response).to have_http_status(403)
+    end
+
+    it 'returns a 400 bad request if no params are given' do
+      post v3_api(url, user)
+
+      expect(response).to have_http_status(400)
+    end
+
+    context :create do
+      let(:message) { 'Created file' }
+      let!(:invalid_c_params) do
+        {
+          branch_name: 'master',
+          commit_message: message,
+          actions: [
+            {
+              action: 'create',
+              file_path: 'files/ruby/popen.rb',
+              content: 'puts 8'
+            }
+          ]
+        }
+      end
+      let!(:valid_c_params) do
+        {
+          branch_name: 'master',
+          commit_message: message,
+          actions: [
+            {
+              action: 'create',
+              file_path: 'foo/bar/baz.txt',
+              content: 'puts 8'
+            }
+          ]
+        }
+      end
+
+      it 'a new file in project repo' do
+        post v3_api(url, user), valid_c_params
+
+        expect(response).to have_http_status(201)
+        expect(json_response['title']).to eq(message)
+        expect(json_response['committer_name']).to eq(user.name)
+        expect(json_response['committer_email']).to eq(user.email)
+      end
+
+      it 'returns a 400 bad request if file exists' do
+        post v3_api(url, user), invalid_c_params
+
+        expect(response).to have_http_status(400)
+      end
+
+      context 'with project path in URL' do
+        let(:url) { "/projects/#{project.namespace.path}%2F#{project.path}/repository/commits" }
+
+        it 'a new file in project repo' do
+          post v3_api(url, user), valid_c_params
+
+          expect(response).to have_http_status(201)
+        end
+      end
+    end
+
+    context :delete do
+      let(:message) { 'Deleted file' }
+      let!(:invalid_d_params) do
+        {
+          branch_name: 'markdown',
+          commit_message: message,
+          actions: [
+            {
+              action: 'delete',
+              file_path: 'doc/api/projects.md'
+            }
+          ]
+        }
+      end
+      let!(:valid_d_params) do
+        {
+          branch_name: 'markdown',
+          commit_message: message,
+          actions: [
+            {
+              action: 'delete',
+              file_path: 'doc/api/users.md'
+            }
+          ]
+        }
+      end
+
+      it 'an existing file in project repo' do
+        post v3_api(url, user), valid_d_params
+
+        expect(response).to have_http_status(201)
+        expect(json_response['title']).to eq(message)
+      end
+
+      it 'returns a 400 bad request if file does not exist' do
+        post v3_api(url, user), invalid_d_params
+
+        expect(response).to have_http_status(400)
+      end
+    end
+
+    context :move do
+      let(:message) { 'Moved file' }
+      let!(:invalid_m_params) do
+        {
+          branch_name: 'feature',
+          commit_message: message,
+          actions: [
+            {
+              action: 'move',
+              file_path: 'CHANGELOG',
+              previous_path: 'VERSION',
+              content: '6.7.0.pre'
+            }
+          ]
+        }
+      end
+      let!(:valid_m_params) do
+        {
+          branch_name: 'feature',
+          commit_message: message,
+          actions: [
+            {
+              action: 'move',
+              file_path: 'VERSION.txt',
+              previous_path: 'VERSION',
+              content: '6.7.0.pre'
+            }
+          ]
+        }
+      end
+
+      it 'an existing file in project repo' do
+        post v3_api(url, user), valid_m_params
+
+        expect(response).to have_http_status(201)
+        expect(json_response['title']).to eq(message)
+      end
+
+      it 'returns a 400 bad request if file does not exist' do
+        post v3_api(url, user), invalid_m_params
+
+        expect(response).to have_http_status(400)
+      end
+    end
+
+    context :update do
+      let(:message) { 'Updated file' }
+      let!(:invalid_u_params) do
+        {
+          branch_name: 'master',
+          commit_message: message,
+          actions: [
+            {
+              action: 'update',
+              file_path: 'foo/bar.baz',
+              content: 'puts 8'
+            }
+          ]
+        }
+      end
+      let!(:valid_u_params) do
+        {
+          branch_name: 'master',
+          commit_message: message,
+          actions: [
+            {
+              action: 'update',
+              file_path: 'files/ruby/popen.rb',
+              content: 'puts 8'
+            }
+          ]
+        }
+      end
+
+      it 'an existing file in project repo' do
+        post v3_api(url, user), valid_u_params
+
+        expect(response).to have_http_status(201)
+        expect(json_response['title']).to eq(message)
+      end
+
+      it 'returns a 400 bad request if file does not exist' do
+        post v3_api(url, user), invalid_u_params
+
+        expect(response).to have_http_status(400)
+      end
+    end
+
+    context "multiple operations" do
+      let(:message) { 'Multiple actions' }
+      let!(:invalid_mo_params) do
+        {
+          branch_name: 'master',
+          commit_message: message,
+          actions: [
+            {
+              action: 'create',
+              file_path: 'files/ruby/popen.rb',
+              content: 'puts 8'
+            },
+            {
+              action: 'delete',
+              file_path: 'doc/v3_api/projects.md'
+            },
+            {
+              action: 'move',
+              file_path: 'CHANGELOG',
+              previous_path: 'VERSION',
+              content: '6.7.0.pre'
+            },
+            {
+              action: 'update',
+              file_path: 'foo/bar.baz',
+              content: 'puts 8'
+            }
+          ]
+        }
+      end
+      let!(:valid_mo_params) do
+        {
+          branch_name: 'master',
+          commit_message: message,
+          actions: [
+            {
+              action: 'create',
+              file_path: 'foo/bar/baz.txt',
+              content: 'puts 8'
+            },
+            {
+              action: 'delete',
+              file_path: 'Gemfile.zip'
+            },
+            {
+              action: 'move',
+              file_path: 'VERSION.txt',
+              previous_path: 'VERSION',
+              content: '6.7.0.pre'
+            },
+            {
+              action: 'update',
+              file_path: 'files/ruby/popen.rb',
+              content: 'puts 8'
+            }
+          ]
+        }
+      end
+
+      it 'are commited as one in project repo' do
+        post v3_api(url, user), valid_mo_params
+
+        expect(response).to have_http_status(201)
+        expect(json_response['title']).to eq(message)
+      end
+
+      it 'return a 400 bad request if there are any issues' do
+        post v3_api(url, user), invalid_mo_params
+
+        expect(response).to have_http_status(400)
+      end
+    end
+  end
+
+  describe "Get a single commit" do
+    context "authorized user" do
+      it "returns a commit by sha" do
+        get v3_api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}", user)
+
+        expect(response).to have_http_status(200)
+        expect(json_response['id']).to eq(project.repository.commit.id)
+        expect(json_response['title']).to eq(project.repository.commit.title)
+        expect(json_response['stats']['additions']).to eq(project.repository.commit.stats.additions)
+        expect(json_response['stats']['deletions']).to eq(project.repository.commit.stats.deletions)
+        expect(json_response['stats']['total']).to eq(project.repository.commit.stats.total)
+      end
+
+      it "returns a 404 error if not found" do
+        get v3_api("/projects/#{project.id}/repository/commits/invalid_sha", user)
+        expect(response).to have_http_status(404)
+      end
+
+      it "returns nil for commit without CI" do
+        get v3_api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}", user)
+
+        expect(response).to have_http_status(200)
+        expect(json_response['status']).to be_nil
+      end
+
+      it "returns status for CI" do
+        pipeline = project.ensure_pipeline('master', project.repository.commit.sha)
+        pipeline.update(status: 'success')
+
+        get v3_api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}", user)
+
+        expect(response).to have_http_status(200)
+        expect(json_response['status']).to eq(pipeline.status)
+      end
+
+      it "returns status for CI when pipeline is created" do
+        project.ensure_pipeline('master', project.repository.commit.sha)
+
+        get v3_api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}", user)
+
+        expect(response).to have_http_status(200)
+        expect(json_response['status']).to eq("created")
+      end
+    end
+
+    context "unauthorized user" do
+      it "does not return the selected commit" do
+        get v3_api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}")
+        expect(response).to have_http_status(401)
+      end
+    end
+  end
+
+  describe "Get the diff of a commit" do
+    context "authorized user" do
+      before { project.team << [user2, :reporter] }
+
+      it "returns the diff of the selected commit" do
+        get v3_api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}/diff", user)
+        expect(response).to have_http_status(200)
+
+        expect(json_response).to be_an Array
+        expect(json_response.length).to be >= 1
+        expect(json_response.first.keys).to include "diff"
+      end
+
+      it "returns a 404 error if invalid commit" do
+        get v3_api("/projects/#{project.id}/repository/commits/invalid_sha/diff", user)
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context "unauthorized user" do
+      it "does not return the diff of the selected commit" do
+        get v3_api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}/diff")
+        expect(response).to have_http_status(401)
+      end
+    end
+  end
+
+  describe 'Get the comments of a commit' do
+    context 'authorized user' do
+      it 'returns merge_request comments' do
+        get v3_api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}/comments", user)
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_an Array
+        expect(json_response.length).to eq(2)
+        expect(json_response.first['note']).to eq('a comment on a commit')
+        expect(json_response.first['author']['id']).to eq(user.id)
+      end
+
+      it 'returns a 404 error if merge_request_id not found' do
+        get v3_api("/projects/#{project.id}/repository/commits/1234ab/comments", user)
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'unauthorized user' do
+      it 'does not return the diff of the selected commit' do
+        get v3_api("/projects/#{project.id}/repository/commits/1234ab/comments")
+        expect(response).to have_http_status(401)
+      end
+    end
+  end
+
+  describe 'POST :id/repository/commits/:sha/cherry_pick' do
+    let(:master_pickable_commit)  { project.commit('7d3b0f7cff5f37573aea97cebfd5692ea1689924') }
+
+    context 'authorized user' do
+      it 'cherry picks a commit' do
+        post v3_api("/projects/#{project.id}/repository/commits/#{master_pickable_commit.id}/cherry_pick", user), branch: 'master'
+
+        expect(response).to have_http_status(201)
+        expect(json_response['title']).to eq(master_pickable_commit.title)
+        expect(json_response['message']).to eq(master_pickable_commit.message)
+        expect(json_response['author_name']).to eq(master_pickable_commit.author_name)
+        expect(json_response['committer_name']).to eq(user.name)
+      end
+
+      it 'returns 400 if commit is already included in the target branch' do
+        post v3_api("/projects/#{project.id}/repository/commits/#{master_pickable_commit.id}/cherry_pick", user), branch: 'markdown'
+
+        expect(response).to have_http_status(400)
+        expect(json_response['message']).to eq('Sorry, we cannot cherry-pick this commit automatically.
+                     A cherry-pick may have already been performed with this commit, or a more recent commit may have updated some of its content.')
+      end
+
+      it 'returns 400 if you are not allowed to push to the target branch' do
+        project.team << [user2, :developer]
+        protected_branch = create(:protected_branch, project: project, name: 'feature')
+
+        post v3_api("/projects/#{project.id}/repository/commits/#{master_pickable_commit.id}/cherry_pick", user2), branch: protected_branch.name
+
+        expect(response).to have_http_status(400)
+        expect(json_response['message']).to eq('You are not allowed to push into this branch')
+      end
+
+      it 'returns 400 for missing parameters' do
+        post v3_api("/projects/#{project.id}/repository/commits/#{master_pickable_commit.id}/cherry_pick", user)
+
+        expect(response).to have_http_status(400)
+        expect(json_response['error']).to eq('branch is missing')
+      end
+
+      it 'returns 404 if commit is not found' do
+        post v3_api("/projects/#{project.id}/repository/commits/abcd0123/cherry_pick", user), branch: 'master'
+
+        expect(response).to have_http_status(404)
+        expect(json_response['message']).to eq('404 Commit Not Found')
+      end
+
+      it 'returns 404 if branch is not found' do
+        post v3_api("/projects/#{project.id}/repository/commits/#{master_pickable_commit.id}/cherry_pick", user), branch: 'foo'
+
+        expect(response).to have_http_status(404)
+        expect(json_response['message']).to eq('404 Branch Not Found')
+      end
+
+      it 'returns 400 for missing parameters' do
+        post v3_api("/projects/#{project.id}/repository/commits/#{master_pickable_commit.id}/cherry_pick", user)
+
+        expect(response).to have_http_status(400)
+        expect(json_response['error']).to eq('branch is missing')
+      end
+    end
+
+    context 'unauthorized user' do
+      it 'does not cherry pick the commit' do
+        post v3_api("/projects/#{project.id}/repository/commits/#{master_pickable_commit.id}/cherry_pick"), branch: 'master'
+
+        expect(response).to have_http_status(401)
+      end
+    end
+  end
+
+  describe 'Post comment to commit' do
+    context 'authorized user' do
+      it 'returns comment' do
+        post v3_api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}/comments", user), note: 'My comment'
+        expect(response).to have_http_status(201)
+        expect(json_response['note']).to eq('My comment')
+        expect(json_response['path']).to be_nil
+        expect(json_response['line']).to be_nil
+        expect(json_response['line_type']).to be_nil
+      end
+
+      it 'returns the inline comment' do
+        post v3_api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}/comments", user), note: 'My comment', path: project.repository.commit.raw_diffs.first.new_path, line: 1, line_type: 'new'
+
+        expect(response).to have_http_status(201)
+        expect(json_response['note']).to eq('My comment')
+        expect(json_response['path']).to eq(project.repository.commit.raw_diffs.first.new_path)
+        expect(json_response['line']).to eq(1)
+        expect(json_response['line_type']).to eq('new')
+      end
+
+      it 'returns 400 if note is missing' do
+        post v3_api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}/comments", user)
+        expect(response).to have_http_status(400)
+      end
+
+      it 'returns 404 if note is attached to non existent commit' do
+        post v3_api("/projects/#{project.id}/repository/commits/1234ab/comments", user), note: 'My comment'
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'unauthorized user' do
+      it 'does not return the diff of the selected commit' do
+        post v3_api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}/comments")
+        expect(response).to have_http_status(401)
+      end
+    end
+  end
+end
diff --git a/spec/requests/api/v3/files_spec.rb b/spec/requests/api/v3/files_spec.rb
new file mode 100644
index 00000000000..4af05605ec6
--- /dev/null
+++ b/spec/requests/api/v3/files_spec.rb
@@ -0,0 +1,270 @@
+require 'spec_helper'
+
+describe API::V3::Files, api: true  do
+  include ApiHelpers
+  let(:user) { create(:user) }
+  let!(:project) { create(:project, :repository, namespace: user.namespace ) }
+  let(:guest) { create(:user) { |u| project.add_guest(u) } }
+  let(:file_path) { 'files/ruby/popen.rb' }
+  let(:params) do
+    {
+      file_path: file_path,
+      ref: 'master'
+    }
+  end
+  let(:author_email) { FFaker::Internet.email }
+
+  # I have to remove periods from the end of the name
+  # This happened when the user's name had a suffix (i.e. "Sr.")
+  # This seems to be what git does under the hood. For example, this commit:
+  #
+  # $ git commit --author='Foo Sr. <foo@example.com>' -m 'Where's my trailing period?'
+  #
+  # results in this:
+  #
+  # $ git show --pretty
+  # ...
+  # Author: Foo Sr <foo@example.com>
+  # ...
+  let(:author_name) { FFaker::Name.name.chomp("\.") }
+
+  before { project.team << [user, :developer] }
+
+  describe "GET /projects/:id/repository/files" do
+    let(:route) { "/projects/#{project.id}/repository/files" }
+
+    shared_examples_for 'repository files' do
+      it "returns file info" do
+        get v3_api(route, current_user), params
+
+        expect(response).to have_http_status(200)
+        expect(json_response['file_path']).to eq(file_path)
+        expect(json_response['file_name']).to eq('popen.rb')
+        expect(json_response['last_commit_id']).to eq('570e7b2abdd848b95f2f578043fc23bd6f6fd24d')
+        expect(Base64.decode64(json_response['content']).lines.first).to eq("require 'fileutils'\n")
+      end
+
+      context 'when no params are given' do
+        it_behaves_like '400 response' do
+          let(:request) { get v3_api(route, current_user) }
+        end
+      end
+
+      context 'when file_path does not exist' do
+        let(:params) do
+          {
+            file_path: 'app/models/application.rb',
+            ref: 'master',
+          }
+        end
+
+        it_behaves_like '404 response' do
+          let(:request) { get v3_api(route, current_user), params }
+          let(:message) { '404 File Not Found' }
+        end
+      end
+
+      context 'when repository is disabled' do
+        include_context 'disabled repository'
+
+        it_behaves_like '403 response' do
+          let(:request) { get v3_api(route, current_user), params }
+        end
+      end
+    end
+
+    context 'when unauthenticated', 'and project is public' do
+      it_behaves_like 'repository files' do
+        let(:project) { create(:project, :public) }
+        let(:current_user) { nil }
+      end
+    end
+
+    context 'when unauthenticated', 'and project is private' do
+      it_behaves_like '404 response' do
+        let(:request) { get v3_api(route), params }
+        let(:message) { '404 Project Not Found' }
+      end
+    end
+
+    context 'when authenticated', 'as a developer' do
+      it_behaves_like 'repository files' do
+        let(:current_user) { user }
+      end
+    end
+
+    context 'when authenticated', 'as a guest' do
+      it_behaves_like '403 response' do
+        let(:request) { get v3_api(route, guest), params }
+      end
+    end
+  end
+
+  describe "POST /projects/:id/repository/files" do
+    let(:valid_params) do
+      {
+        file_path: 'newfile.rb',
+        branch_name: 'master',
+        content: 'puts 8',
+        commit_message: 'Added newfile'
+      }
+    end
+
+    it "creates a new file in project repo" do
+      post v3_api("/projects/#{project.id}/repository/files", user), valid_params
+
+      expect(response).to have_http_status(201)
+      expect(json_response['file_path']).to eq('newfile.rb')
+      last_commit = project.repository.commit.raw
+      expect(last_commit.author_email).to eq(user.email)
+      expect(last_commit.author_name).to eq(user.name)
+    end
+
+    it "returns a 400 bad request if no params given" do
+      post v3_api("/projects/#{project.id}/repository/files", user)
+
+      expect(response).to have_http_status(400)
+    end
+
+    it "returns a 400 if editor fails to create file" do
+      allow_any_instance_of(Repository).to receive(:commit_file).
+        and_return(false)
+
+      post v3_api("/projects/#{project.id}/repository/files", user), valid_params
+
+      expect(response).to have_http_status(400)
+    end
+
+    context "when specifying an author" do
+      it "creates a new file with the specified author" do
+        valid_params.merge!(author_email: author_email, author_name: author_name)
+
+        post v3_api("/projects/#{project.id}/repository/files", user), valid_params
+
+        expect(response).to have_http_status(201)
+        last_commit = project.repository.commit.raw
+        expect(last_commit.author_email).to eq(author_email)
+        expect(last_commit.author_name).to eq(author_name)
+      end
+    end
+  end
+
+  describe "PUT /projects/:id/repository/files" do
+    let(:valid_params) do
+      {
+        file_path: file_path,
+        branch_name: 'master',
+        content: 'puts 8',
+        commit_message: 'Changed file'
+      }
+    end
+
+    it "updates existing file in project repo" do
+      put v3_api("/projects/#{project.id}/repository/files", user), valid_params
+
+      expect(response).to have_http_status(200)
+      expect(json_response['file_path']).to eq(file_path)
+      last_commit = project.repository.commit.raw
+      expect(last_commit.author_email).to eq(user.email)
+      expect(last_commit.author_name).to eq(user.name)
+    end
+
+    it "returns a 400 bad request if no params given" do
+      put v3_api("/projects/#{project.id}/repository/files", user)
+
+      expect(response).to have_http_status(400)
+    end
+
+    context "when specifying an author" do
+      it "updates a file with the specified author" do
+        valid_params.merge!(author_email: author_email, author_name: author_name, content: "New content")
+
+        put v3_api("/projects/#{project.id}/repository/files", user), valid_params
+
+        expect(response).to have_http_status(200)
+        last_commit = project.repository.commit.raw
+        expect(last_commit.author_email).to eq(author_email)
+        expect(last_commit.author_name).to eq(author_name)
+      end
+    end
+  end
+
+  describe "DELETE /projects/:id/repository/files" do
+    let(:valid_params) do
+      {
+        file_path: file_path,
+        branch_name: 'master',
+        commit_message: 'Changed file'
+      }
+    end
+
+    it "deletes existing file in project repo" do
+      delete v3_api("/projects/#{project.id}/repository/files", user), valid_params
+
+      expect(response).to have_http_status(200)
+      expect(json_response['file_path']).to eq(file_path)
+      last_commit = project.repository.commit.raw
+      expect(last_commit.author_email).to eq(user.email)
+      expect(last_commit.author_name).to eq(user.name)
+    end
+
+    it "returns a 400 bad request if no params given" do
+      delete v3_api("/projects/#{project.id}/repository/files", user)
+
+      expect(response).to have_http_status(400)
+    end
+
+    it "returns a 400 if fails to create file" do
+      allow_any_instance_of(Repository).to receive(:remove_file).and_return(false)
+
+      delete v3_api("/projects/#{project.id}/repository/files", user), valid_params
+
+      expect(response).to have_http_status(400)
+    end
+
+    context "when specifying an author" do
+      it "removes a file with the specified author" do
+        valid_params.merge!(author_email: author_email, author_name: author_name)
+
+        delete v3_api("/projects/#{project.id}/repository/files", user), valid_params
+
+        expect(response).to have_http_status(200)
+        last_commit = project.repository.commit.raw
+        expect(last_commit.author_email).to eq(author_email)
+        expect(last_commit.author_name).to eq(author_name)
+      end
+    end
+  end
+
+  describe "POST /projects/:id/repository/files with binary file" do
+    let(:file_path) { 'test.bin' }
+    let(:put_params) do
+      {
+        file_path: file_path,
+        branch_name: 'master',
+        content: 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAACnej3aAAAAAXRSTlMAQObYZgAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=',
+        commit_message: 'Binary file with a \n should not be touched',
+        encoding: 'base64'
+      }
+    end
+    let(:get_params) do
+      {
+        file_path: file_path,
+        ref: 'master',
+      }
+    end
+
+    before do
+      post v3_api("/projects/#{project.id}/repository/files", user), put_params
+    end
+
+    it "remains unchanged" do
+      get v3_api("/projects/#{project.id}/repository/files", user), get_params
+
+      expect(response).to have_http_status(200)
+      expect(json_response['file_path']).to eq(file_path)
+      expect(json_response['file_name']).to eq(file_path)
+      expect(json_response['content']).to eq(put_params[:content])
+    end
+  end
+end
diff --git a/spec/requests/api/v3/issues_spec.rb b/spec/requests/api/v3/issues_spec.rb
index 33a127de98a..803acd55470 100644
--- a/spec/requests/api/v3/issues_spec.rb
+++ b/spec/requests/api/v3/issues_spec.rb
@@ -722,7 +722,7 @@ describe API::V3::Issues, api: true  do
       expect(response).to have_http_status(201)
       expect(json_response['title']).to eq('new issue')
       expect(json_response['description']).to be_nil
-      expect(json_response['labels']).to eq(['label', 'label2'])
+      expect(json_response['labels']).to eq(%w(label label2))
       expect(json_response['confidential']).to be_falsy
     end
 
@@ -986,6 +986,33 @@ describe API::V3::Issues, api: true  do
     end
   end
 
+  describe 'PUT /projects/:id/issues/:issue_id with spam filtering' do
+    let(:params) do
+      {
+        title: 'updated title',
+        description: 'content here',
+        labels: 'label, label2'
+      }
+    end
+
+    it "does not create a new project issue" do
+      allow_any_instance_of(SpamService).to receive_messages(check_for_spam?: true)
+      allow_any_instance_of(AkismetService).to receive_messages(is_spam?: true)
+
+      put v3_api("/projects/#{project.id}/issues/#{issue.id}", user), params
+
+      expect(response).to have_http_status(400)
+      expect(json_response['message']).to eq({ "error" => "Spam detected" })
+
+      spam_logs = SpamLog.all
+      expect(spam_logs.count).to eq(1)
+      expect(spam_logs[0].title).to eq('updated title')
+      expect(spam_logs[0].description).to eq('content here')
+      expect(spam_logs[0].user).to eq(user)
+      expect(spam_logs[0].noteable_type).to eq('Issue')
+    end
+  end
+
   describe 'PUT /projects/:id/issues/:issue_id to update labels' do
     let!(:label) { create(:label, title: 'dummy', project: project) }
     let!(:label_link) { create(:label_link, label: label, target: issue) }
diff --git a/spec/requests/api/v3/labels_spec.rb b/spec/requests/api/v3/labels_spec.rb
index 18e2c0d40c8..f44403374e9 100644
--- a/spec/requests/api/v3/labels_spec.rb
+++ b/spec/requests/api/v3/labels_spec.rb
@@ -21,11 +21,11 @@ describe API::V3::Labels, api: true  do
       create(:labeled_issue, project: project, labels: [label1], author: user, state: :closed)
       create(:labeled_merge_request, labels: [priority_label], author: user, source_project: project )
 
-      expected_keys = [
-        'id', 'name', 'color', 'description',
-        'open_issues_count', 'closed_issues_count', 'open_merge_requests_count',
-        'subscribed', 'priority'
-      ]
+      expected_keys = %w(
+        id name color description
+        open_issues_count closed_issues_count open_merge_requests_count
+        subscribed priority
+      )
 
       get v3_api("/projects/#{project.id}/labels", user)
 
@@ -67,4 +67,86 @@ describe API::V3::Labels, api: true  do
       expect(priority_label_response['subscribed']).to be_falsey
     end
   end
+
+  describe "POST /projects/:id/labels/:label_id/subscription" do
+    context "when label_id is a label title" do
+      it "subscribes to the label" do
+        post v3_api("/projects/#{project.id}/labels/#{label1.title}/subscription", user)
+
+        expect(response).to have_http_status(201)
+        expect(json_response["name"]).to eq(label1.title)
+        expect(json_response["subscribed"]).to be_truthy
+      end
+    end
+
+    context "when label_id is a label ID" do
+      it "subscribes to the label" do
+        post v3_api("/projects/#{project.id}/labels/#{label1.id}/subscription", user)
+
+        expect(response).to have_http_status(201)
+        expect(json_response["name"]).to eq(label1.title)
+        expect(json_response["subscribed"]).to be_truthy
+      end
+    end
+
+    context "when user is already subscribed to label" do
+      before { label1.subscribe(user, project) }
+
+      it "returns 304" do
+        post v3_api("/projects/#{project.id}/labels/#{label1.id}/subscription", user)
+
+        expect(response).to have_http_status(304)
+      end
+    end
+
+    context "when label ID is not found" do
+      it "returns 404 error" do
+        post v3_api("/projects/#{project.id}/labels/1234/subscription", user)
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
+
+  describe "DELETE /projects/:id/labels/:label_id/subscription" do
+    before { label1.subscribe(user, project) }
+
+    context "when label_id is a label title" do
+      it "unsubscribes from the label" do
+        delete v3_api("/projects/#{project.id}/labels/#{label1.title}/subscription", user)
+
+        expect(response).to have_http_status(200)
+        expect(json_response["name"]).to eq(label1.title)
+        expect(json_response["subscribed"]).to be_falsey
+      end
+    end
+
+    context "when label_id is a label ID" do
+      it "unsubscribes from the label" do
+        delete v3_api("/projects/#{project.id}/labels/#{label1.id}/subscription", user)
+
+        expect(response).to have_http_status(200)
+        expect(json_response["name"]).to eq(label1.title)
+        expect(json_response["subscribed"]).to be_falsey
+      end
+    end
+
+    context "when user is already unsubscribed from label" do
+      before { label1.unsubscribe(user, project) }
+
+      it "returns 304" do
+        delete v3_api("/projects/#{project.id}/labels/#{label1.id}/subscription", user)
+
+        expect(response).to have_http_status(304)
+      end
+    end
+
+    context "when label ID is not found" do
+      it "returns 404 error" do
+        delete v3_api("/projects/#{project.id}/labels/1234/subscription", user)
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
 end
diff --git a/spec/requests/api/v3/merge_requests_spec.rb b/spec/requests/api/v3/merge_requests_spec.rb
index b94e1ef4ced..51764d1000e 100644
--- a/spec/requests/api/v3/merge_requests_spec.rb
+++ b/spec/requests/api/v3/merge_requests_spec.rb
@@ -237,7 +237,7 @@ describe API::MergeRequests, api: true  do
 
         expect(response).to have_http_status(201)
         expect(json_response['title']).to eq('Test merge_request')
-        expect(json_response['labels']).to eq(['label', 'label2'])
+        expect(json_response['labels']).to eq(%w(label label2))
         expect(json_response['milestone']['id']).to eq(milestone.id)
         expect(json_response['force_remove_source_branch']).to be_truthy
       end
diff --git a/spec/requests/api/v3/notes_spec.rb b/spec/requests/api/v3/notes_spec.rb
new file mode 100644
index 00000000000..b51cb3055d5
--- /dev/null
+++ b/spec/requests/api/v3/notes_spec.rb
@@ -0,0 +1,432 @@
+require 'spec_helper'
+
+describe API::V3::Notes, api: true  do
+  include ApiHelpers
+  let(:user) { create(:user) }
+  let!(:project) { create(:empty_project, :public, namespace: user.namespace) }
+  let!(:issue) { create(:issue, project: project, author: user) }
+  let!(:merge_request) { create(:merge_request, source_project: project, target_project: project, author: user) }
+  let!(:snippet) { create(:project_snippet, project: project, author: user) }
+  let!(:issue_note) { create(:note, noteable: issue, project: project, author: user) }
+  let!(:merge_request_note) { create(:note, noteable: merge_request, project: project, author: user) }
+  let!(:snippet_note) { create(:note, noteable: snippet, project: project, author: user) }
+
+  # For testing the cross-reference of a private issue in a public issue
+  let(:private_user)    { create(:user) }
+  let(:private_project) do
+    create(:empty_project, namespace: private_user.namespace).
+    tap { |p| p.team << [private_user, :master] }
+  end
+  let(:private_issue)    { create(:issue, project: private_project) }
+
+  let(:ext_proj)  { create(:empty_project, :public) }
+  let(:ext_issue) { create(:issue, project: ext_proj) }
+
+  let!(:cross_reference_note) do
+    create :note,
+    noteable: ext_issue, project: ext_proj,
+    note: "mentioned in issue #{private_issue.to_reference(ext_proj)}",
+    system: true
+  end
+
+  before { project.team << [user, :reporter] }
+
+  describe "GET /projects/:id/noteable/:noteable_id/notes" do
+    context "when noteable is an Issue" do
+      it "returns an array of issue notes" do
+        get v3_api("/projects/#{project.id}/issues/#{issue.id}/notes", user)
+
+        expect(response).to have_http_status(200)
+        expect(response).to include_pagination_headers
+        expect(json_response).to be_an Array
+        expect(json_response.first['body']).to eq(issue_note.note)
+        expect(json_response.first['upvote']).to be_falsey
+        expect(json_response.first['downvote']).to be_falsey
+      end
+
+      it "returns a 404 error when issue id not found" do
+        get v3_api("/projects/#{project.id}/issues/12345/notes", user)
+
+        expect(response).to have_http_status(404)
+      end
+
+      context "and current user cannot view the notes" do
+        it "returns an empty array" do
+          get v3_api("/projects/#{ext_proj.id}/issues/#{ext_issue.id}/notes", user)
+
+          expect(response).to have_http_status(200)
+          expect(response).to include_pagination_headers
+          expect(json_response).to be_an Array
+          expect(json_response).to be_empty
+        end
+
+        context "and issue is confidential" do
+          before { ext_issue.update_attributes(confidential: true) }
+
+          it "returns 404" do
+            get v3_api("/projects/#{ext_proj.id}/issues/#{ext_issue.id}/notes", user)
+
+            expect(response).to have_http_status(404)
+          end
+        end
+
+        context "and current user can view the note" do
+          it "returns an empty array" do
+            get v3_api("/projects/#{ext_proj.id}/issues/#{ext_issue.id}/notes", private_user)
+
+            expect(response).to have_http_status(200)
+            expect(response).to include_pagination_headers
+            expect(json_response).to be_an Array
+            expect(json_response.first['body']).to eq(cross_reference_note.note)
+          end
+        end
+      end
+    end
+
+    context "when noteable is a Snippet" do
+      it "returns an array of snippet notes" do
+        get v3_api("/projects/#{project.id}/snippets/#{snippet.id}/notes", user)
+
+        expect(response).to have_http_status(200)
+        expect(response).to include_pagination_headers
+        expect(json_response).to be_an Array
+        expect(json_response.first['body']).to eq(snippet_note.note)
+      end
+
+      it "returns a 404 error when snippet id not found" do
+        get v3_api("/projects/#{project.id}/snippets/42/notes", user)
+
+        expect(response).to have_http_status(404)
+      end
+
+      it "returns 404 when not authorized" do
+        get v3_api("/projects/#{project.id}/snippets/#{snippet.id}/notes", private_user)
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context "when noteable is a Merge Request" do
+      it "returns an array of merge_requests notes" do
+        get v3_api("/projects/#{project.id}/merge_requests/#{merge_request.id}/notes", user)
+
+        expect(response).to have_http_status(200)
+        expect(response).to include_pagination_headers
+        expect(json_response).to be_an Array
+        expect(json_response.first['body']).to eq(merge_request_note.note)
+      end
+
+      it "returns a 404 error if merge request id not found" do
+        get v3_api("/projects/#{project.id}/merge_requests/4444/notes", user)
+
+        expect(response).to have_http_status(404)
+      end
+
+      it "returns 404 when not authorized" do
+        get v3_api("/projects/#{project.id}/merge_requests/4444/notes", private_user)
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
+
+  describe "GET /projects/:id/noteable/:noteable_id/notes/:note_id" do
+    context "when noteable is an Issue" do
+      it "returns an issue note by id" do
+        get v3_api("/projects/#{project.id}/issues/#{issue.id}/notes/#{issue_note.id}", user)
+
+        expect(response).to have_http_status(200)
+        expect(json_response['body']).to eq(issue_note.note)
+      end
+
+      it "returns a 404 error if issue note not found" do
+        get v3_api("/projects/#{project.id}/issues/#{issue.id}/notes/12345", user)
+
+        expect(response).to have_http_status(404)
+      end
+
+      context "and current user cannot view the note" do
+        it "returns a 404 error" do
+          get v3_api("/projects/#{ext_proj.id}/issues/#{ext_issue.id}/notes/#{cross_reference_note.id}", user)
+
+          expect(response).to have_http_status(404)
+        end
+
+        context "when issue is confidential" do
+          before { issue.update_attributes(confidential: true) }
+
+          it "returns 404" do
+            get v3_api("/projects/#{project.id}/issues/#{issue.id}/notes/#{issue_note.id}", private_user)
+
+            expect(response).to have_http_status(404)
+          end
+        end
+
+        context "and current user can view the note" do
+          it "returns an issue note by id" do
+            get v3_api("/projects/#{ext_proj.id}/issues/#{ext_issue.id}/notes/#{cross_reference_note.id}", private_user)
+
+            expect(response).to have_http_status(200)
+            expect(json_response['body']).to eq(cross_reference_note.note)
+          end
+        end
+      end
+    end
+
+    context "when noteable is a Snippet" do
+      it "returns a snippet note by id" do
+        get v3_api("/projects/#{project.id}/snippets/#{snippet.id}/notes/#{snippet_note.id}", user)
+
+        expect(response).to have_http_status(200)
+        expect(json_response['body']).to eq(snippet_note.note)
+      end
+
+      it "returns a 404 error if snippet note not found" do
+        get v3_api("/projects/#{project.id}/snippets/#{snippet.id}/notes/12345", user)
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
+
+  describe "POST /projects/:id/noteable/:noteable_id/notes" do
+    context "when noteable is an Issue" do
+      it "creates a new issue note" do
+        post v3_api("/projects/#{project.id}/issues/#{issue.id}/notes", user), body: 'hi!'
+
+        expect(response).to have_http_status(201)
+        expect(json_response['body']).to eq('hi!')
+        expect(json_response['author']['username']).to eq(user.username)
+      end
+
+      it "returns a 400 bad request error if body not given" do
+        post v3_api("/projects/#{project.id}/issues/#{issue.id}/notes", user)
+
+        expect(response).to have_http_status(400)
+      end
+
+      it "returns a 401 unauthorized error if user not authenticated" do
+        post v3_api("/projects/#{project.id}/issues/#{issue.id}/notes"), body: 'hi!'
+
+        expect(response).to have_http_status(401)
+      end
+
+      context 'when an admin or owner makes the request' do
+        it 'accepts the creation date to be set' do
+          creation_time = 2.weeks.ago
+          post v3_api("/projects/#{project.id}/issues/#{issue.id}/notes", user),
+            body: 'hi!', created_at: creation_time
+
+          expect(response).to have_http_status(201)
+          expect(json_response['body']).to eq('hi!')
+          expect(json_response['author']['username']).to eq(user.username)
+          expect(Time.parse(json_response['created_at'])).to be_like_time(creation_time)
+        end
+      end
+
+      context 'when the user is posting an award emoji on an issue created by someone else' do
+        let(:issue2) { create(:issue, project: project) }
+
+        it 'returns an award emoji' do
+          post v3_api("/projects/#{project.id}/issues/#{issue2.id}/notes", user), body: ':+1:'
+
+          expect(response).to have_http_status(201)
+          expect(json_response['awardable_id']).to eq issue2.id
+        end
+      end
+
+      context 'when the user is posting an award emoji on his/her own issue' do
+        it 'creates a new issue note' do
+          post v3_api("/projects/#{project.id}/issues/#{issue.id}/notes", user), body: ':+1:'
+
+          expect(response).to have_http_status(201)
+          expect(json_response['body']).to eq(':+1:')
+        end
+      end
+    end
+
+    context "when noteable is a Snippet" do
+      it "creates a new snippet note" do
+        post v3_api("/projects/#{project.id}/snippets/#{snippet.id}/notes", user), body: 'hi!'
+
+        expect(response).to have_http_status(201)
+        expect(json_response['body']).to eq('hi!')
+        expect(json_response['author']['username']).to eq(user.username)
+      end
+
+      it "returns a 400 bad request error if body not given" do
+        post v3_api("/projects/#{project.id}/snippets/#{snippet.id}/notes", user)
+
+        expect(response).to have_http_status(400)
+      end
+
+      it "returns a 401 unauthorized error if user not authenticated" do
+        post v3_api("/projects/#{project.id}/snippets/#{snippet.id}/notes"), body: 'hi!'
+
+        expect(response).to have_http_status(401)
+      end
+    end
+
+    context 'when user does not have access to read the noteable' do
+      it 'responds with 404' do
+        project = create(:empty_project, :private) { |p| p.add_guest(user) }
+        issue = create(:issue, :confidential, project: project)
+
+        post v3_api("/projects/#{project.id}/issues/#{issue.id}/notes", user),
+          body: 'Foo'
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'when user does not have access to create noteable' do
+      let(:private_issue) { create(:issue, project: create(:empty_project, :private)) }
+
+      ##
+      # We are posting to project user has access to, but we use issue id
+      # from a different project, see #15577
+      #
+      before do
+        post v3_api("/projects/#{project.id}/issues/#{private_issue.id}/notes", user),
+             body: 'Hi!'
+      end
+
+      it 'responds with resource not found error' do
+        expect(response.status).to eq 404
+      end
+
+      it 'does not create new note' do
+        expect(private_issue.notes.reload).to be_empty
+      end
+    end
+  end
+
+  describe "POST /projects/:id/noteable/:noteable_id/notes to test observer on create" do
+    it "creates an activity event when an issue note is created" do
+      expect(Event).to receive(:create)
+
+      post v3_api("/projects/#{project.id}/issues/#{issue.id}/notes", user), body: 'hi!'
+    end
+  end
+
+  describe 'PUT /projects/:id/noteable/:noteable_id/notes/:note_id' do
+    context 'when noteable is an Issue' do
+      it 'returns modified note' do
+        put v3_api("/projects/#{project.id}/issues/#{issue.id}/"\
+                  "notes/#{issue_note.id}", user), body: 'Hello!'
+
+        expect(response).to have_http_status(200)
+        expect(json_response['body']).to eq('Hello!')
+      end
+
+      it 'returns a 404 error when note id not found' do
+        put v3_api("/projects/#{project.id}/issues/#{issue.id}/notes/12345", user),
+                body: 'Hello!'
+
+        expect(response).to have_http_status(404)
+      end
+
+      it 'returns a 400 bad request error if body not given' do
+        put v3_api("/projects/#{project.id}/issues/#{issue.id}/"\
+                  "notes/#{issue_note.id}", user)
+
+        expect(response).to have_http_status(400)
+      end
+    end
+
+    context 'when noteable is a Snippet' do
+      it 'returns modified note' do
+        put v3_api("/projects/#{project.id}/snippets/#{snippet.id}/"\
+                  "notes/#{snippet_note.id}", user), body: 'Hello!'
+
+        expect(response).to have_http_status(200)
+        expect(json_response['body']).to eq('Hello!')
+      end
+
+      it 'returns a 404 error when note id not found' do
+        put v3_api("/projects/#{project.id}/snippets/#{snippet.id}/"\
+                  "notes/12345", user), body: "Hello!"
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'when noteable is a Merge Request' do
+      it 'returns modified note' do
+        put v3_api("/projects/#{project.id}/merge_requests/#{merge_request.id}/"\
+                  "notes/#{merge_request_note.id}", user), body: 'Hello!'
+
+        expect(response).to have_http_status(200)
+        expect(json_response['body']).to eq('Hello!')
+      end
+
+      it 'returns a 404 error when note id not found' do
+        put v3_api("/projects/#{project.id}/merge_requests/#{merge_request.id}/"\
+                  "notes/12345", user), body: "Hello!"
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
+
+  describe 'DELETE /projects/:id/noteable/:noteable_id/notes/:note_id' do
+    context 'when noteable is an Issue' do
+      it 'deletes a note' do
+        delete v3_api("/projects/#{project.id}/issues/#{issue.id}/"\
+                   "notes/#{issue_note.id}", user)
+
+        expect(response).to have_http_status(200)
+        # Check if note is really deleted
+        delete v3_api("/projects/#{project.id}/issues/#{issue.id}/"\
+                   "notes/#{issue_note.id}", user)
+        expect(response).to have_http_status(404)
+      end
+
+      it 'returns a 404 error when note id not found' do
+        delete v3_api("/projects/#{project.id}/issues/#{issue.id}/notes/12345", user)
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'when noteable is a Snippet' do
+      it 'deletes a note' do
+        delete v3_api("/projects/#{project.id}/snippets/#{snippet.id}/"\
+                   "notes/#{snippet_note.id}", user)
+
+        expect(response).to have_http_status(200)
+        # Check if note is really deleted
+        delete v3_api("/projects/#{project.id}/snippets/#{snippet.id}/"\
+                   "notes/#{snippet_note.id}", user)
+        expect(response).to have_http_status(404)
+      end
+
+      it 'returns a 404 error when note id not found' do
+        delete v3_api("/projects/#{project.id}/snippets/#{snippet.id}/"\
+                   "notes/12345", user)
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'when noteable is a Merge Request' do
+      it 'deletes a note' do
+        delete v3_api("/projects/#{project.id}/merge_requests/"\
+                   "#{merge_request.id}/notes/#{merge_request_note.id}", user)
+
+        expect(response).to have_http_status(200)
+        # Check if note is really deleted
+        delete v3_api("/projects/#{project.id}/merge_requests/"\
+                   "#{merge_request.id}/notes/#{merge_request_note.id}", user)
+        expect(response).to have_http_status(404)
+      end
+
+      it 'returns a 404 error when note id not found' do
+        delete v3_api("/projects/#{project.id}/merge_requests/"\
+                   "#{merge_request.id}/notes/12345", user)
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
+end
diff --git a/spec/requests/api/v3/project_snippets_spec.rb b/spec/requests/api/v3/project_snippets_spec.rb
index 3700477f0db..957a3bf97ef 100644
--- a/spec/requests/api/v3/project_snippets_spec.rb
+++ b/spec/requests/api/v3/project_snippets_spec.rb
@@ -85,43 +85,33 @@ describe API::ProjectSnippets, api: true do
         allow_any_instance_of(AkismetService).to receive(:is_spam?).and_return(true)
       end
 
-      context 'when the project is private' do
-        let(:private_project) { create(:project_empty_repo, :private) }
-
-        context 'when the snippet is public' do
-          it 'creates the snippet' do
-            expect { create_snippet(private_project, visibility_level: Snippet::PUBLIC) }.
-              to change { Snippet.count }.by(1)
-          end
+      context 'when the snippet is private' do
+        it 'creates the snippet' do
+          expect { create_snippet(project, visibility_level: Snippet::PRIVATE) }.
+            to change { Snippet.count }.by(1)
         end
       end
 
-      context 'when the project is public' do
-        context 'when the snippet is private' do
-          it 'creates the snippet' do
-            expect { create_snippet(project, visibility_level: Snippet::PRIVATE) }.
-              to change { Snippet.count }.by(1)
-          end
+      context 'when the snippet is public' do
+        it 'rejects the shippet' do
+          expect { create_snippet(project, visibility_level: Snippet::PUBLIC) }.
+            not_to change { Snippet.count }
+
+          expect(response).to have_http_status(400)
+          expect(json_response['message']).to eq({ "error" => "Spam detected" })
         end
 
-        context 'when the snippet is public' do
-          it 'rejects the shippet' do
-            expect { create_snippet(project, visibility_level: Snippet::PUBLIC) }.
-              not_to change { Snippet.count }
-            expect(response).to have_http_status(400)
-          end
-
-          it 'creates a spam log' do
-            expect { create_snippet(project, visibility_level: Snippet::PUBLIC) }.
-              to change { SpamLog.count }.by(1)
-          end
+        it 'creates a spam log' do
+          expect { create_snippet(project, visibility_level: Snippet::PUBLIC) }.
+            to change { SpamLog.count }.by(1)
         end
       end
     end
   end
 
   describe 'PUT /projects/:project_id/snippets/:id/' do
-    let(:snippet) { create(:project_snippet, author: admin) }
+    let(:visibility_level) { Snippet::PUBLIC }
+    let(:snippet) { create(:project_snippet, author: admin, visibility_level: visibility_level) }
 
     it 'updates snippet' do
       new_content = 'New content'
@@ -145,6 +135,56 @@ describe API::ProjectSnippets, api: true do
 
       expect(response).to have_http_status(400)
     end
+
+    context 'when the snippet is spam' do
+      def update_snippet(snippet_params = {})
+        put v3_api("/projects/#{snippet.project.id}/snippets/#{snippet.id}", admin), snippet_params
+      end
+
+      before do
+        allow_any_instance_of(AkismetService).to receive(:is_spam?).and_return(true)
+      end
+
+      context 'when the snippet is private' do
+        let(:visibility_level) { Snippet::PRIVATE }
+
+        it 'creates the snippet' do
+          expect { update_snippet(title: 'Foo') }.
+            to change { snippet.reload.title }.to('Foo')
+        end
+      end
+
+      context 'when the snippet is public' do
+        let(:visibility_level) { Snippet::PUBLIC }
+
+        it 'rejects the snippet' do
+          expect { update_snippet(title: 'Foo') }.
+            not_to change { snippet.reload.title }
+        end
+
+        it 'creates a spam log' do
+          expect { update_snippet(title: 'Foo') }.
+            to change { SpamLog.count }.by(1)
+        end
+      end
+
+      context 'when the private snippet is made public' do
+        let(:visibility_level) { Snippet::PRIVATE }
+
+        it 'rejects the snippet' do
+          expect { update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC) }.
+            not_to change { snippet.reload.title }
+
+          expect(response).to have_http_status(400)
+          expect(json_response['message']).to eq({ "error" => "Spam detected" })
+        end
+
+        it 'creates a spam log' do
+          expect { update_snippet(title: 'Foo', visibility_level: Snippet::PUBLIC) }.
+            to change { SpamLog.count }.by(1)
+        end
+      end
+    end
   end
 
   describe 'DELETE /projects/:project_id/snippets/:id/' do
diff --git a/spec/requests/api/v3/projects_spec.rb b/spec/requests/api/v3/projects_spec.rb
index 36d99d80e79..662be3f3531 100644
--- a/spec/requests/api/v3/projects_spec.rb
+++ b/spec/requests/api/v3/projects_spec.rb
@@ -84,7 +84,7 @@ describe API::V3::Projects, api: true do
 
       context 'GET /projects?simple=true' do
         it 'returns a simplified version of all the projects' do
-          expected_keys = ["id", "http_url_to_repo", "web_url", "name", "name_with_namespace", "path", "path_with_namespace"]
+          expected_keys = %w(id http_url_to_repo web_url name name_with_namespace path path_with_namespace)
 
           get v3_api('/projects?simple=true', user)
 
diff --git a/spec/requests/api/v3/templates_spec.rb b/spec/requests/api/v3/templates_spec.rb
index 4fd4e70bedd..f1e554b98cc 100644
--- a/spec/requests/api/v3/templates_spec.rb
+++ b/spec/requests/api/v3/templates_spec.rb
@@ -56,11 +56,11 @@ describe API::V3::Templates, api: true  do
       expect(json_response['popular']).to be true
       expect(json_response['html_url']).to eq('http://choosealicense.com/licenses/mit/')
       expect(json_response['source_url']).to eq('https://opensource.org/licenses/MIT')
-      expect(json_response['description']).to include('A permissive license that is short and to the point.')
+      expect(json_response['description']).to include('A short and simple permissive license with conditions')
       expect(json_response['conditions']).to eq(%w[include-copyright])
       expect(json_response['permissions']).to eq(%w[commercial-use modifications distribution private-use])
       expect(json_response['limitations']).to eq(%w[no-liability])
-      expect(json_response['content']).to include('The MIT License (MIT)')
+      expect(json_response['content']).to include('MIT License')
     end
   end
 
@@ -70,7 +70,7 @@ describe API::V3::Templates, api: true  do
 
       expect(response).to have_http_status(200)
       expect(json_response).to be_an Array
-      expect(json_response.size).to eq(15)
+      expect(json_response.size).to eq(12)
       expect(json_response.map { |l| l['key'] }).to include('agpl-3.0')
     end
 
@@ -98,7 +98,7 @@ describe API::V3::Templates, api: true  do
         let(:license_type) { 'mit' }
 
         it 'returns the license text' do
-          expect(json_response['content']).to include('The MIT License (MIT)')
+          expect(json_response['content']).to include('MIT License')
         end
 
         it 'replaces placeholder values' do
diff --git a/spec/requests/api/v3/todos_spec.rb b/spec/requests/api/v3/todos_spec.rb
new file mode 100644
index 00000000000..80fa697e949
--- /dev/null
+++ b/spec/requests/api/v3/todos_spec.rb
@@ -0,0 +1,73 @@
+require 'spec_helper'
+
+describe API::V3::Todos, api: true do
+  include ApiHelpers
+
+  let(:project_1) { create(:empty_project) }
+  let(:project_2) { create(:empty_project) }
+  let(:author_1) { create(:user) }
+  let(:author_2) { create(:user) }
+  let(:john_doe) { create(:user, username: 'john_doe') }
+  let!(:pending_1) { create(:todo, :mentioned, project: project_1, author: author_1, user: john_doe) }
+  let!(:pending_2) { create(:todo, project: project_2, author: author_2, user: john_doe) }
+  let!(:pending_3) { create(:todo, project: project_1, author: author_2, user: john_doe) }
+  let!(:done) { create(:todo, :done, project: project_1, author: author_1, user: john_doe) }
+
+  before do
+    project_1.team << [john_doe, :developer]
+    project_2.team << [john_doe, :developer]
+  end
+
+  describe 'DELETE /todos/:id' do
+    context 'when unauthenticated' do
+      it 'returns authentication error' do
+        delete v3_api("/todos/#{pending_1.id}")
+
+        expect(response.status).to eq(401)
+      end
+    end
+
+    context 'when authenticated' do
+      it 'marks a todo as done' do
+        delete v3_api("/todos/#{pending_1.id}", john_doe)
+
+        expect(response.status).to eq(200)
+        expect(pending_1.reload).to be_done
+      end
+
+      it 'updates todos cache' do
+        expect_any_instance_of(User).to receive(:update_todos_count_cache).and_call_original
+
+        delete v3_api("/todos/#{pending_1.id}", john_doe)
+      end
+    end
+  end
+
+  describe 'DELETE /todos' do
+    context 'when unauthenticated' do
+      it 'returns authentication error' do
+        delete v3_api('/todos')
+
+        expect(response.status).to eq(401)
+      end
+    end
+
+    context 'when authenticated' do
+      it 'marks all todos as done' do
+        delete v3_api('/todos', john_doe)
+
+        expect(response.status).to eq(200)
+        expect(response.body).to eq('3')
+        expect(pending_1.reload).to be_done
+        expect(pending_2.reload).to be_done
+        expect(pending_3.reload).to be_done
+      end
+
+      it 'updates todos cache' do
+        expect_any_instance_of(User).to receive(:update_todos_count_cache).and_call_original
+
+        delete v3_api("/todos", john_doe)
+      end
+    end
+  end
+end
diff --git a/spec/requests/api/v3/users_spec.rb b/spec/requests/api/v3/users_spec.rb
index 5020ef18a3a..17bbb0b53c1 100644
--- a/spec/requests/api/v3/users_spec.rb
+++ b/spec/requests/api/v3/users_spec.rb
@@ -186,4 +186,81 @@ describe API::V3::Users, api: true  do
       expect(response).to have_http_status(404)
     end
   end
+
+  describe 'GET /users/:id/events' do
+    let(:user) { create(:user) }
+    let(:project) { create(:empty_project) }
+    let(:note) { create(:note_on_issue, note: 'What an awesome day!', project: project) }
+
+    before do
+      project.add_user(user, :developer)
+      EventCreateService.new.leave_note(note, user)
+    end
+
+    context "as a user than cannot see the event's project" do
+      it 'returns no events' do
+        other_user = create(:user)
+
+        get api("/users/#{user.id}/events", other_user)
+
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_empty
+      end
+    end
+
+    context "as a user than can see the event's project" do
+      context 'joined event' do
+        it 'returns the "joined" event' do
+          get v3_api("/users/#{user.id}/events", user)
+
+          expect(response).to have_http_status(200)
+          expect(response).to include_pagination_headers
+          expect(json_response).to be_an Array
+
+          comment_event = json_response.find { |e| e['action_name'] == 'commented on' }
+
+          expect(comment_event['project_id'].to_i).to eq(project.id)
+          expect(comment_event['author_username']).to eq(user.username)
+          expect(comment_event['note']['id']).to eq(note.id)
+          expect(comment_event['note']['body']).to eq('What an awesome day!')
+
+          joined_event = json_response.find { |e| e['action_name'] == 'joined' }
+
+          expect(joined_event['project_id'].to_i).to eq(project.id)
+          expect(joined_event['author_username']).to eq(user.username)
+          expect(joined_event['author']['name']).to eq(user.name)
+        end
+      end
+
+      context 'when there are multiple events from different projects' do
+        let(:second_note) { create(:note_on_issue, project: create(:empty_project)) }
+        let(:third_note) { create(:note_on_issue, project: project) }
+
+        before do
+          second_note.project.add_user(user, :developer)
+
+          [second_note, third_note].each do |note|
+            EventCreateService.new.leave_note(note, user)
+          end
+        end
+
+        it 'returns events in the correct order (from newest to oldest)' do
+          get v3_api("/users/#{user.id}/events", user)
+
+          comment_events = json_response.select { |e| e['action_name'] == 'commented on' }
+
+          expect(comment_events[0]['target_id']).to eq(third_note.id)
+          expect(comment_events[1]['target_id']).to eq(second_note.id)
+          expect(comment_events[2]['target_id']).to eq(note.id)
+        end
+      end
+    end
+
+    it 'returns a 404 error if not found' do
+      get v3_api('/users/42/events', user)
+
+      expect(response).to have_http_status(404)
+      expect(json_response['message']).to eq('404 User Not Found')
+    end
+  end
 end
diff --git a/spec/requests/ci/api/builds_spec.rb b/spec/requests/ci/api/builds_spec.rb
index f2385da8c13..c7284be09b7 100644
--- a/spec/requests/ci/api/builds_spec.rb
+++ b/spec/requests/ci/api/builds_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Ci::API::Builds do
   include ApiHelpers
 
-  let(:runner) { FactoryGirl.create(:ci_runner, tag_list: ["mysql", "ruby"]) }
+  let(:runner) { FactoryGirl.create(:ci_runner, tag_list: %w(mysql ruby)) }
   let(:project) { FactoryGirl.create(:empty_project, shared_runners_enabled: false) }
   let(:last_update) { nil }
 
diff --git a/spec/requests/ci/api/runners_spec.rb b/spec/requests/ci/api/runners_spec.rb
index bd55934d0c8..8719313783e 100644
--- a/spec/requests/ci/api/runners_spec.rb
+++ b/spec/requests/ci/api/runners_spec.rb
@@ -41,7 +41,7 @@ describe Ci::API::Runners do
 
       it 'creates runner' do
         expect(response).to have_http_status 201
-        expect(Ci::Runner.first.tag_list.sort).to eq(["tag1", "tag2"])
+        expect(Ci::Runner.first.tag_list.sort).to eq(%w(tag1 tag2))
       end
     end
 
diff --git a/spec/requests/ci/api/triggers_spec.rb b/spec/requests/ci/api/triggers_spec.rb
index a30be767119..5321f8b134f 100644
--- a/spec/requests/ci/api/triggers_spec.rb
+++ b/spec/requests/ci/api/triggers_spec.rb
@@ -60,7 +60,8 @@ describe Ci::API::Triggers do
         it 'validates variables to be a hash' do
           post ci_api("/projects/#{project.ci_id}/refs/master/trigger"), options.merge(variables: 'value')
           expect(response).to have_http_status(400)
-          expect(json_response['message']).to eq('variables needs to be a hash')
+
+          expect(json_response['error']).to eq('variables is invalid')
         end
 
         it 'validates variables needs to be a map of key-valued strings' do
diff --git a/spec/requests/lfs_http_spec.rb b/spec/requests/lfs_http_spec.rb
index c0e7bab8199..5d495bc9e7d 100644
--- a/spec/requests/lfs_http_spec.rb
+++ b/spec/requests/lfs_http_spec.rb
@@ -25,11 +25,9 @@ describe 'Git LFS API and storage' do
       {
         'objects' => [
           { 'oid' => '91eff75a492a3ed0dfcb544d7f31326bc4014c8551849c192fd1e48d4dd2c897',
-            'size' => 1575078
-          },
+            'size' => 1575078 },
           { 'oid' => sample_oid,
-            'size' => sample_size
-          }
+            'size' => sample_size }
         ],
         'operation' => 'upload'
       }
@@ -53,11 +51,9 @@ describe 'Git LFS API and storage' do
       {
         'objects' => [
           { 'oid' => '91eff75a492a3ed0dfcb544d7f31326bc4014c8551849c192fd1e48d4dd2c897',
-            'size' => 1575078
-          },
+            'size' => 1575078 },
           { 'oid' => sample_oid,
-            'size' => sample_size
-          }
+            'size' => sample_size }
         ],
         'operation' => 'upload'
       }
@@ -374,11 +370,12 @@ describe 'Git LFS API and storage' do
     describe 'download' do
       let(:project) { create(:empty_project) }
       let(:body) do
-        { 'operation' => 'download',
+        {
+          'operation' => 'download',
           'objects' => [
             { 'oid' => sample_oid,
-              'size' => sample_size
-            }]
+              'size' => sample_size }
+          ]
         }
       end
 
@@ -393,16 +390,20 @@ describe 'Git LFS API and storage' do
           end
 
           it 'with href to download' do
-            expect(json_response).to eq('objects' => [
-              { 'oid' => sample_oid,
-                'size' => sample_size,
-                'actions' => {
-                  'download' => {
-                    'href' => "#{project.http_url_to_repo}/gitlab-lfs/objects/#{sample_oid}",
-                    'header' => { 'Authorization' => authorization }
+            expect(json_response).to eq({
+              'objects' => [
+                {
+                  'oid' => sample_oid,
+                  'size' => sample_size,
+                  'actions' => {
+                    'download' => {
+                      'href' => "#{project.http_url_to_repo}/gitlab-lfs/objects/#{sample_oid}",
+                      'header' => { 'Authorization' => authorization }
+                    }
                   }
                 }
-              }])
+              ]
+            })
           end
         end
 
@@ -417,24 +418,29 @@ describe 'Git LFS API and storage' do
           end
 
           it 'with href to download' do
-            expect(json_response).to eq('objects' => [
-              { 'oid' => sample_oid,
-                'size' => sample_size,
-                'error' => {
-                  'code' => 404,
-                  'message' => "Object does not exist on the server or you don't have permissions to access it",
+            expect(json_response).to eq({
+              'objects' => [
+                {
+                  'oid' => sample_oid,
+                  'size' => sample_size,
+                  'error' => {
+                    'code' => 404,
+                    'message' => "Object does not exist on the server or you don't have permissions to access it",
+                  }
                 }
-              }])
+              ]
+            })
           end
         end
 
         context 'when downloading a lfs object that does not exist' do
           let(:body) do
-            { 'operation' => 'download',
+            {
+              'operation' => 'download',
               'objects' => [
                 { 'oid' => '91eff75a492a3ed0dfcb544d7f31326bc4014c8551849c192fd1e48d4dd2c897',
-                  'size' => 1575078
-                }]
+                  'size' => 1575078 }
+              ]
             }
           end
 
@@ -443,27 +449,30 @@ describe 'Git LFS API and storage' do
           end
 
           it 'with an 404 for specific object' do
-            expect(json_response).to eq('objects' => [
-              { 'oid' => '91eff75a492a3ed0dfcb544d7f31326bc4014c8551849c192fd1e48d4dd2c897',
-                'size' => 1575078,
-                'error' => {
-                  'code' => 404,
-                  'message' => "Object does not exist on the server or you don't have permissions to access it",
+            expect(json_response).to eq({
+              'objects' => [
+                {
+                  'oid' => '91eff75a492a3ed0dfcb544d7f31326bc4014c8551849c192fd1e48d4dd2c897',
+                  'size' => 1575078,
+                  'error' => {
+                    'code' => 404,
+                    'message' => "Object does not exist on the server or you don't have permissions to access it",
+                  }
                 }
-              }])
+              ]
+            })
           end
         end
 
         context 'when downloading one new and one existing lfs object' do
           let(:body) do
-            { 'operation' => 'download',
+            {
+              'operation' => 'download',
               'objects' => [
                 { 'oid' => '91eff75a492a3ed0dfcb544d7f31326bc4014c8551849c192fd1e48d4dd2c897',
-                  'size' => 1575078
-                },
+                  'size' => 1575078 },
                 { 'oid' => sample_oid,
-                  'size' => sample_size
-                }
+                  'size' => sample_size }
               ]
             }
           end
@@ -477,23 +486,28 @@ describe 'Git LFS API and storage' do
           end
 
           it 'responds with upload hypermedia link for the new object' do
-            expect(json_response).to eq('objects' => [
-              { 'oid' => '91eff75a492a3ed0dfcb544d7f31326bc4014c8551849c192fd1e48d4dd2c897',
-                'size' => 1575078,
-                'error' => {
-                  'code' => 404,
-                  'message' => "Object does not exist on the server or you don't have permissions to access it",
-                }
-              },
-              { 'oid' => sample_oid,
-                'size' => sample_size,
-                'actions' => {
-                  'download' => {
-                    'href' => "#{project.http_url_to_repo}/gitlab-lfs/objects/#{sample_oid}",
-                    'header' => { 'Authorization' => authorization }
+            expect(json_response).to eq({
+              'objects' => [
+                {
+                  'oid' => '91eff75a492a3ed0dfcb544d7f31326bc4014c8551849c192fd1e48d4dd2c897',
+                  'size' => 1575078,
+                  'error' => {
+                    'code' => 404,
+                    'message' => "Object does not exist on the server or you don't have permissions to access it",
+                  }
+                },
+                {
+                  'oid' => sample_oid,
+                  'size' => sample_size,
+                  'actions' => {
+                    'download' => {
+                      'href' => "#{project.http_url_to_repo}/gitlab-lfs/objects/#{sample_oid}",
+                      'header' => { 'Authorization' => authorization }
+                    }
                   }
                 }
-              }])
+              ]
+            })
           end
         end
       end
@@ -597,17 +611,21 @@ describe 'Git LFS API and storage' do
           end
 
           it 'responds with status 200 and href to download' do
-            expect(json_response).to eq('objects' => [
-              { 'oid' => sample_oid,
-                'size' => sample_size,
-                'authenticated' => true,
-                'actions' => {
-                  'download' => {
-                    'href' => "#{project.http_url_to_repo}/gitlab-lfs/objects/#{sample_oid}",
-                    'header' => {}
+            expect(json_response).to eq({
+              'objects' => [
+                {
+                  'oid' => sample_oid,
+                  'size' => sample_size,
+                  'authenticated' => true,
+                  'actions' => {
+                    'download' => {
+                      'href' => "#{project.http_url_to_repo}/gitlab-lfs/objects/#{sample_oid}",
+                      'header' => {}
+                    }
                   }
                 }
-              }])
+              ]
+            })
           end
         end
 
@@ -626,11 +644,12 @@ describe 'Git LFS API and storage' do
     describe 'upload' do
       let(:project) { create(:project, :public) }
       let(:body) do
-        { 'operation' => 'upload',
+        {
+          'operation' => 'upload',
           'objects' => [
             { 'oid' => sample_oid,
-              'size' => sample_size
-            }]
+              'size' => sample_size }
+          ]
         }
       end
 
@@ -665,11 +684,12 @@ describe 'Git LFS API and storage' do
 
           context 'when pushing a lfs object that does not exist' do
             let(:body) do
-              { 'operation' => 'upload',
+              {
+                'operation' => 'upload',
                 'objects' => [
                   { 'oid' => '91eff75a492a3ed0dfcb544d7f31326bc4014c8551849c192fd1e48d4dd2c897',
-                    'size' => 1575078
-                  }]
+                    'size' => 1575078 }
+                ]
               }
             end
 
@@ -688,14 +708,13 @@ describe 'Git LFS API and storage' do
 
           context 'when pushing one new and one existing lfs object' do
             let(:body) do
-              { 'operation' => 'upload',
+              {
+                'operation' => 'upload',
                 'objects' => [
                   { 'oid' => '91eff75a492a3ed0dfcb544d7f31326bc4014c8551849c192fd1e48d4dd2c897',
-                    'size' => 1575078
-                  },
+                    'size' => 1575078 },
                   { 'oid' => sample_oid,
-                    'size' => sample_size
-                  }
+                    'size' => sample_size }
                 ]
               }
             end
@@ -789,11 +808,12 @@ describe 'Git LFS API and storage' do
       let(:project) { create(:empty_project) }
       let(:authorization) { authorize_user }
       let(:body) do
-        { 'operation' => 'other',
+        {
+          'operation' => 'other',
           'objects' => [
             { 'oid' => sample_oid,
-              'size' => sample_size
-            }]
+              'size' => sample_size }
+          ]
         }
       end
 
diff --git a/spec/services/auth/container_registry_authentication_service_spec.rb b/spec/services/auth/container_registry_authentication_service_spec.rb
index bb26513103d..b91234ddb1e 100644
--- a/spec/services/auth/container_registry_authentication_service_spec.rb
+++ b/spec/services/auth/container_registry_authentication_service_spec.rb
@@ -72,7 +72,7 @@ describe Auth::ContainerRegistryAuthenticationService, services: true do
 
   shared_examples 'a pullable and pushable' do
     it_behaves_like 'a accessible' do
-      let(:actions) { ['pull', 'push'] }
+      let(:actions) { %w(pull push) }
     end
   end
 
diff --git a/spec/services/ci/create_pipeline_service_spec.rb b/spec/services/ci/create_pipeline_service_spec.rb
index ceaca96e25b..8459a3d8cfb 100644
--- a/spec/services/ci/create_pipeline_service_spec.rb
+++ b/spec/services/ci/create_pipeline_service_spec.rb
@@ -79,66 +79,53 @@ describe Ci::CreatePipelineService, services: true do
 
     context 'when commit contains a [ci skip] directive' do
       let(:message) { "some message[ci skip]" }
-      let(:messageFlip) { "some message[skip ci]" }
-      let(:capMessage) { "some message[CI SKIP]" }
-      let(:capMessageFlip) { "some message[SKIP CI]" }
+
+      ci_messages = [
+        "some message[ci skip]",
+        "some message[skip ci]",
+        "some message[CI SKIP]",
+        "some message[SKIP CI]",
+        "some message[ci_skip]",
+        "some message[skip_ci]",
+        "some message[ci-skip]",
+        "some message[skip-ci]"
+      ]
 
       before do
         allow_any_instance_of(Ci::Pipeline).to receive(:git_commit_message) { message }
       end
 
-      it "skips builds creation if there is [ci skip] tag in commit message" do
-        commits = [{ message: message }]
-        pipeline = execute(ref: 'refs/heads/master',
-                           before: '00000000',
-                           after: project.commit.id,
-                           commits: commits)
+      ci_messages.each do |ci_message|
+        it "skips builds creation if the commit message is #{ci_message}" do
+          commits = [{ message: ci_message }]
+          pipeline = execute(ref: 'refs/heads/master',
+                             before: '00000000',
+                             after: project.commit.id,
+                             commits: commits)
 
-        expect(pipeline).to be_persisted
-        expect(pipeline.builds.any?).to be false
-        expect(pipeline.status).to eq("skipped")
-      end
-
-      it "skips builds creation if there is [skip ci] tag in commit message" do
-        commits = [{ message: messageFlip }]
-        pipeline = execute(ref: 'refs/heads/master',
-                           before: '00000000',
-                           after: project.commit.id,
-                           commits: commits)
-
-        expect(pipeline).to be_persisted
-        expect(pipeline.builds.any?).to be false
-        expect(pipeline.status).to eq("skipped")
+          expect(pipeline).to be_persisted
+          expect(pipeline.builds.any?).to be false
+          expect(pipeline.status).to eq("skipped")
+        end
       end
 
-      it "skips builds creation if there is [CI SKIP] tag in commit message" do
-        commits = [{ message: capMessage }]
-        pipeline = execute(ref: 'refs/heads/master',
-                           before: '00000000',
-                           after: project.commit.id,
-                           commits: commits)
-
-        expect(pipeline).to be_persisted
-        expect(pipeline.builds.any?).to be false
-        expect(pipeline.status).to eq("skipped")
-      end
+      it "does not skips builds creation if there is no [ci skip] or [skip ci] tag in commit message" do
+        allow_any_instance_of(Ci::Pipeline).to receive(:git_commit_message) { "some message" }
 
-      it "skips builds creation if there is [SKIP CI] tag in commit message" do
-        commits = [{ message: capMessageFlip }]
+        commits = [{ message: "some message" }]
         pipeline = execute(ref: 'refs/heads/master',
                            before: '00000000',
                            after: project.commit.id,
                            commits: commits)
 
         expect(pipeline).to be_persisted
-        expect(pipeline.builds.any?).to be false
-        expect(pipeline.status).to eq("skipped")
+        expect(pipeline.builds.first.name).to eq("rspec")
       end
 
-      it "does not skips builds creation if there is no [ci skip] or [skip ci] tag in commit message" do
-        allow_any_instance_of(Ci::Pipeline).to receive(:git_commit_message) { "some message" }
+      it "does not skip builds creation if the commit message is nil" do
+        allow_any_instance_of(Ci::Pipeline).to receive(:git_commit_message) { nil }
 
-        commits = [{ message: "some message" }]
+        commits = [{ message: nil }]
         pipeline = execute(ref: 'refs/heads/master',
                            before: '00000000',
                            after: project.commit.id,
diff --git a/spec/services/ci/process_pipeline_service_spec.rb b/spec/services/ci/process_pipeline_service_spec.rb
index ef2ddc4b1d7..b818dfdd50c 100644
--- a/spec/services/ci/process_pipeline_service_spec.rb
+++ b/spec/services/ci/process_pipeline_service_spec.rb
@@ -377,9 +377,7 @@ describe Ci::ProcessPipelineService, :services do
     builds.pending.update_all(status: 'success')
   end
 
-  def manual_actions
-    pipeline.manual_actions
-  end
+  delegate :manual_actions, to: :pipeline
 
   def create_build(name, stage_idx, when_value = nil)
     create(:ci_build,
diff --git a/spec/services/ci/retry_build_service_spec.rb b/spec/services/ci/retry_build_service_spec.rb
index 93147870afe..d03f7505eac 100644
--- a/spec/services/ci/retry_build_service_spec.rb
+++ b/spec/services/ci/retry_build_service_spec.rb
@@ -12,7 +12,7 @@ describe Ci::RetryBuildService, :services do
 
   shared_examples 'build duplication' do
     let(:build) do
-      create(:ci_build, :failed, :artifacts, :erased, :trace,
+      create(:ci_build, :failed, :artifacts_expired, :erased, :trace,
              :queued, :coverage, pipeline: pipeline)
     end
 
@@ -38,7 +38,7 @@ describe Ci::RetryBuildService, :services do
         described_class::IGNORE_ATTRIBUTES +
         described_class::REJECT_ATTRIBUTES
 
-      expect(attributes.size).to eq build.attributes.size
+      expect(build.attributes.size).to eq(attributes.size)
     end
   end
 
diff --git a/spec/services/ci/retry_pipeline_service_spec.rb b/spec/services/ci/retry_pipeline_service_spec.rb
index c0af8b8450a..8b1ed6470e4 100644
--- a/spec/services/ci/retry_pipeline_service_spec.rb
+++ b/spec/services/ci/retry_pipeline_service_spec.rb
@@ -69,6 +69,25 @@ describe Ci::RetryPipelineService, '#execute', :services do
       end
     end
 
+    context 'when the last stage was skipepd' do
+      before do
+        create_build('build 1', :success, 0)
+        create_build('test 2', :failed, 1)
+        create_build('report 3', :skipped, 2)
+        create_build('report 4', :skipped, 2)
+      end
+
+      it 'retries builds only in the first stage' do
+        service.execute(pipeline)
+
+        expect(build('build 1')).to be_success
+        expect(build('test 2')).to be_pending
+        expect(build('report 3')).to be_created
+        expect(build('report 4')).to be_created
+        expect(pipeline.reload).to be_running
+      end
+    end
+
     context 'when pipeline contains manual actions' do
       context 'when there is a canceled manual action in first stage' do
         before do
@@ -90,14 +109,16 @@ describe Ci::RetryPipelineService, '#execute', :services do
       context 'when there is a skipped manual action in last stage' do
         before do
           create_build('rspec 1', :canceled, 0)
+          create_build('rspec 2', :skipped, 0, :manual)
           create_build('staging', :skipped, 1, :manual)
         end
 
-        it 'retries canceled job and skips manual action' do
+        it 'retries canceled job and reprocesses manual actions' do
           service.execute(pipeline)
 
           expect(build('rspec 1')).to be_pending
-          expect(build('staging')).to be_skipped
+          expect(build('rspec 2')).to be_skipped
+          expect(build('staging')).to be_created
           expect(pipeline.reload).to be_running
         end
       end
diff --git a/spec/services/create_deployment_service_spec.rb b/spec/services/create_deployment_service_spec.rb
index 6fb4d517115..18b964e2453 100644
--- a/spec/services/create_deployment_service_spec.rb
+++ b/spec/services/create_deployment_service_spec.rb
@@ -9,7 +9,8 @@ describe CreateDeploymentService, services: true do
   describe '#execute' do
     let(:options) { nil }
     let(:params) do
-      { environment: 'production',
+      {
+        environment: 'production',
         ref: 'master',
         tag: false,
         sha: '97de212e80737a608d939f648d959671fb0a0142',
@@ -83,10 +84,11 @@ describe CreateDeploymentService, services: true do
 
     context 'for environment with invalid name' do
       let(:params) do
-        { environment: 'name,with,commas',
+        {
+          environment: 'name,with,commas',
           ref: 'master',
           tag: false,
-          sha: '97de212e80737a608d939f648d959671fb0a0142',
+          sha: '97de212e80737a608d939f648d959671fb0a0142'
         }
       end
 
@@ -101,7 +103,8 @@ describe CreateDeploymentService, services: true do
 
     context 'when variables are used' do
       let(:params) do
-        { environment: 'review-apps/$CI_BUILD_REF_NAME',
+        {
+          environment: 'review-apps/$CI_BUILD_REF_NAME',
           ref: 'master',
           tag: false,
           sha: '97de212e80737a608d939f648d959671fb0a0142',
diff --git a/spec/services/issues/create_service_spec.rb b/spec/services/issues/create_service_spec.rb
index e1feeed8a67..6045d00ff09 100644
--- a/spec/services/issues/create_service_spec.rb
+++ b/spec/services/issues/create_service_spec.rb
@@ -230,16 +230,6 @@ describe Issues::CreateService, services: true do
             expect { issue }.not_to change{SpamLog.last.recaptcha_verified}
           end
         end
-
-        context 'when spam log title does not match the issue title' do
-          before do
-            opts[:title] = 'Another issue'
-          end
-
-          it 'does not mark spam_log as recaptcha_verified' do
-            expect { issue }.not_to change{SpamLog.last.recaptcha_verified}
-          end
-        end
       end
 
       context 'when recaptcha was not verified' do
diff --git a/spec/services/merge_requests/build_service_spec.rb b/spec/services/merge_requests/build_service_spec.rb
index dc945ca4868..0768f644036 100644
--- a/spec/services/merge_requests/build_service_spec.rb
+++ b/spec/services/merge_requests/build_service_spec.rb
@@ -44,15 +44,14 @@ describe MergeRequests::BuildService, services: true do
       end
     end
 
-    context 'missing target branch' do
-      let(:target_branch) { '' }
+    context 'when target branch is missing' do
+      let(:target_branch) { nil }
+      let(:commits) { Commit.decorate([commit_1], project) }
 
-      it 'forbids the merge request from being created' do
+      it 'creates compare object with target branch as default branch' do
         expect(merge_request.can_be_created).to eq(false)
-      end
-
-      it 'adds an error message to the merge request' do
-        expect(merge_request.errors).to contain_exactly('You must select source and target branch')
+        expect(merge_request.compare).to be_present
+        expect(merge_request.target_branch).to eq(project.default_branch)
       end
     end
 
diff --git a/spec/services/merge_requests/resolve_service_spec.rb b/spec/services/merge_requests/resolve_service_spec.rb
index a0e51681725..c3b468ac47f 100644
--- a/spec/services/merge_requests/resolve_service_spec.rb
+++ b/spec/services/merge_requests/resolve_service_spec.rb
@@ -59,8 +59,8 @@ describe MergeRequests::ResolveService do
 
         it 'creates a commit with the correct parents' do
           expect(merge_request.source_branch_head.parents.map(&:id)).
-            to eq(['1450cd639e0bc6721eb02800169e464f212cde06',
-                   '824be604a34828eb682305f0d963056cfac87b2d'])
+            to eq(%w(1450cd639e0bc6721eb02800169e464f212cde06
+                     824be604a34828eb682305f0d963056cfac87b2d))
         end
       end
 
@@ -125,8 +125,8 @@ describe MergeRequests::ResolveService do
 
       it 'creates a commit with the correct parents' do
         expect(merge_request.source_branch_head.parents.map(&:id)).
-          to eq(['1450cd639e0bc6721eb02800169e464f212cde06',
-                 '824be604a34828eb682305f0d963056cfac87b2d'])
+          to eq(%w(1450cd639e0bc6721eb02800169e464f212cde06
+                   824be604a34828eb682305f0d963056cfac87b2d))
       end
 
       it 'sets the content to the content given' do
diff --git a/spec/services/projects/create_service_spec.rb b/spec/services/projects/create_service_spec.rb
index af515ad2e0e..62f21049b0b 100644
--- a/spec/services/projects/create_service_spec.rb
+++ b/spec/services/projects/create_service_spec.rb
@@ -50,7 +50,7 @@ describe Projects::CreateService, '#execute', services: true do
 
   context 'error handling' do
     it 'handles invalid options' do
-      opts.merge!({ default_branch: 'master' } )
+      opts[:default_branch] = 'master'
       expect(create_project(user, opts)).to eq(nil)
     end
   end
@@ -67,7 +67,7 @@ describe Projects::CreateService, '#execute', services: true do
 
     context 'wiki_enabled false does not create wiki repository directory' do
       it do
-        opts.merge!(wiki_enabled: false)
+        opts[:wiki_enabled] = false
         project = create_project(user, opts)
         path = ProjectWiki.new(project, user).send(:path_to_repo)
 
diff --git a/spec/services/protected_branches/create_service_spec.rb b/spec/services/protected_branches/create_service_spec.rb
index 7d4eff3b6ef..6ea8f309981 100644
--- a/spec/services/protected_branches/create_service_spec.rb
+++ b/spec/services/protected_branches/create_service_spec.rb
@@ -6,8 +6,8 @@ describe ProtectedBranches::CreateService, services: true do
   let(:params) do
     {
       name: 'master',
-      merge_access_levels_attributes: [ { access_level: Gitlab::Access::MASTER } ],
-      push_access_levels_attributes: [ { access_level: Gitlab::Access::MASTER } ]
+      merge_access_levels_attributes: [{ access_level: Gitlab::Access::MASTER }],
+      push_access_levels_attributes: [{ access_level: Gitlab::Access::MASTER }]
     }
   end
 
diff --git a/spec/services/spam_service_spec.rb b/spec/services/spam_service_spec.rb
index 271c17dd8c0..4ce3b95aa87 100644
--- a/spec/services/spam_service_spec.rb
+++ b/spec/services/spam_service_spec.rb
@@ -1,46 +1,61 @@
 require 'spec_helper'
 
 describe SpamService, services: true do
-  describe '#check' do
-    let(:project) { create(:project, :public) }
-    let(:issue)   { create(:issue, project: project) }
-    let(:request) { double(:request, env: {}) }
+  describe '#when_recaptcha_verified' do
+    def check_spam(issue, request, recaptcha_verified)
+      described_class.new(issue, request).when_recaptcha_verified(recaptcha_verified) do
+        'yielded'
+      end
+    end
+
+    it 'yields block when recaptcha was already verified' do
+      issue = build_stubbed(:issue)
 
-    def check_spam(issue, request)
-      described_class.new(issue, request).check
+      expect(check_spam(issue, nil, true)).to eql('yielded')
     end
 
-    context 'when indicated as spam by akismet' do
-      before { allow(AkismetService).to receive(:new).and_return(double(is_spam?: true)) }
+    context 'when recaptcha was not verified' do
+      let(:project) { create(:project, :public) }
+      let(:issue)   { create(:issue, project: project) }
+      let(:request) { double(:request, env: {}) }
 
-      it 'returns false when request is missing' do
-        expect(check_spam(issue, nil)).to be_falsey
-      end
+      context 'when indicated as spam by akismet' do
+        before { allow(AkismetService).to receive(:new).and_return(double(is_spam?: true)) }
 
-      it 'returns false when issue is not public' do
-        issue = create(:issue, project: create(:project, :private))
+        it 'doesnt check as spam when request is missing' do
+          check_spam(issue, nil, false)
 
-        expect(check_spam(issue, request)).to be_falsey
-      end
+          expect(issue.spam).to be_falsey
+        end
 
-      it 'returns true' do
-        expect(check_spam(issue, request)).to be_truthy
-      end
+        it 'checks as spam' do
+          check_spam(issue, request, false)
 
-      it 'creates a spam log' do
-        expect { check_spam(issue, request) }.to change { SpamLog.count }.from(0).to(1)
-      end
-    end
+          expect(issue.spam).to be_truthy
+        end
 
-    context 'when not indicated as spam by akismet' do
-      before { allow(AkismetService).to receive(:new).and_return(double(is_spam?: false)) }
+        it 'creates a spam log' do
+          expect { check_spam(issue, request, false) }
+            .to change { SpamLog.count }.from(0).to(1)
+        end
 
-      it 'returns false' do
-        expect(check_spam(issue, request)).to be_falsey
+        it 'doesnt yield block' do
+          expect(check_spam(issue, request, false))
+            .to eql(SpamLog.last)
+        end
       end
 
-      it 'does not create a spam log' do
-        expect { check_spam(issue, request) }.not_to change { SpamLog.count }
+      context 'when not indicated as spam by akismet' do
+        before { allow(AkismetService).to receive(:new).and_return(double(is_spam?: false)) }
+
+        it 'returns false' do
+          expect(check_spam(issue, request, false)).to be_falsey
+        end
+
+        it 'does not create a spam log' do
+          expect { check_spam(issue, request, false) }
+            .not_to change { SpamLog.count }
+        end
       end
     end
   end
diff --git a/spec/services/system_note_service_spec.rb b/spec/services/system_note_service_spec.rb
index 7f027ae02a2..eca5a418f2a 100644
--- a/spec/services/system_note_service_spec.rb
+++ b/spec/services/system_note_service_spec.rb
@@ -631,7 +631,7 @@ describe SystemNoteService, services: true do
       jira_service_settings
     end
 
-    noteable_types = ["merge_requests", "commit"]
+    noteable_types = %w(merge_requests commit)
 
     noteable_types.each do |type|
       context "when noteable is a #{type}" do
diff --git a/spec/services/users/destroy_spec.rb b/spec/services/users/destroy_spec.rb
index 46e58393218..c0bf27c698c 100644
--- a/spec/services/users/destroy_spec.rb
+++ b/spec/services/users/destroy_spec.rb
@@ -2,11 +2,11 @@ require 'spec_helper'
 
 describe Users::DestroyService, services: true do
   describe "Deletes a user and all their personal projects" do
-    let!(:user)         { create(:user) }
-    let!(:current_user) { create(:user) }
-    let!(:namespace)    { create(:namespace, owner: user) }
-    let!(:project)      { create(:project, namespace: namespace) }
-    let(:service)       { described_class.new(current_user) }
+    let!(:user)      { create(:user) }
+    let!(:admin)     { create(:admin) }
+    let!(:namespace) { create(:namespace, owner: user) }
+    let!(:project)   { create(:project, namespace: namespace) }
+    let(:service)    { described_class.new(admin) }
 
     context 'no options are given' do
       it 'deletes the user' do
@@ -57,5 +57,26 @@ describe Users::DestroyService, services: true do
         expect { User.find(user.id) }.to raise_error(ActiveRecord::RecordNotFound)
       end
     end
+
+    context "deletion permission checks" do
+      it 'does not delete the user when user is not an admin' do
+        other_user = create(:user)
+
+        expect { described_class.new(other_user).execute(user) }.to raise_error(Gitlab::Access::AccessDeniedError)
+        expect(User.exists?(user.id)).to be(true)
+      end
+
+      it 'allows admins to delete anyone' do
+        described_class.new(admin).execute(user)
+
+        expect(User.exists?(user.id)).to be(false)
+      end
+
+      it 'allows users to delete their own account' do
+        described_class.new(user).execute(user)
+
+        expect(User.exists?(user.id)).to be(false)
+      end
+    end
   end
 end
diff --git a/spec/support/filtered_search_helpers.rb b/spec/support/filtered_search_helpers.rb
new file mode 100644
index 00000000000..58f6636e680
--- /dev/null
+++ b/spec/support/filtered_search_helpers.rb
@@ -0,0 +1,37 @@
+module FilteredSearchHelpers
+  def filtered_search
+    page.find('.filtered-search')
+  end
+
+  def input_filtered_search(search_term, submit: true)
+    filtered_search.set(search_term)
+
+    if submit
+      filtered_search.send_keys(:enter)
+    end
+  end
+
+  def input_filtered_search_keys(search_term)
+    filtered_search.send_keys(search_term)
+    filtered_search.send_keys(:enter)
+  end
+
+  def expect_filtered_search_input(input)
+    expect(find('.filtered-search').value).to eq(input)
+  end
+
+  def clear_search_field
+    find('.filtered-search-input-container .clear-search').click
+  end
+
+  def reset_filters
+    clear_search_field
+    filtered_search.send_keys(:enter)
+  end
+
+  def init_label_search
+    filtered_search.set('label:')
+    # This ensures the dropdown is shown
+    expect(find('#js-dropdown-label')).not_to have_css('.filter-dropdown-loading')
+  end
+end
diff --git a/spec/support/issuables_list_metadata_shared_examples.rb b/spec/support/issuables_list_metadata_shared_examples.rb
index dac94dfc31e..4644c7a6b86 100644
--- a/spec/support/issuables_list_metadata_shared_examples.rb
+++ b/spec/support/issuables_list_metadata_shared_examples.rb
@@ -3,11 +3,12 @@ shared_examples 'issuables list meta-data' do |issuable_type, action = nil|
     @issuable_ids = []
 
     2.times do
-      if issuable_type == :issue
-        issuable = create(issuable_type, project: project)
-      else
-        issuable = create(issuable_type, title: FFaker::Lorem.sentence, source_project: project, source_branch: FFaker::Name.name)
-      end
+      issuable =
+        if issuable_type == :issue
+          create(issuable_type, project: project)
+        else
+          create(issuable_type, title: FFaker::Lorem.sentence, source_project: project, source_branch: FFaker::Name.name)
+        end
 
       @issuable_ids << issuable.id
 
diff --git a/spec/support/javascript_fixtures_helpers.rb b/spec/support/javascript_fixtures_helpers.rb
index 0b8729db0f9..a982b159b48 100644
--- a/spec/support/javascript_fixtures_helpers.rb
+++ b/spec/support/javascript_fixtures_helpers.rb
@@ -5,7 +5,7 @@ require 'gitlab/popen'
 module JavaScriptFixturesHelpers
   include Gitlab::Popen
 
-  FIXTURE_PATH = 'spec/javascripts/fixtures'
+  FIXTURE_PATH = 'spec/javascripts/fixtures'.freeze
 
   # Public: Removes all fixture files from given directory
   #
diff --git a/spec/support/jira_service_helper.rb b/spec/support/jira_service_helper.rb
index 929fc0c5182..97ae0b6afc5 100644
--- a/spec/support/jira_service_helper.rb
+++ b/spec/support/jira_service_helper.rb
@@ -1,5 +1,5 @@
 module JiraServiceHelper
-  JIRA_URL = "http://jira.example.net"
+  JIRA_URL = "http://jira.example.net".freeze
   JIRA_API = JIRA_URL + "/rest/api/2"
 
   def jira_service_settings
diff --git a/spec/support/kubernetes_helpers.rb b/spec/support/kubernetes_helpers.rb
index 444612cf871..b5ed71ba3be 100644
--- a/spec/support/kubernetes_helpers.rb
+++ b/spec/support/kubernetes_helpers.rb
@@ -2,23 +2,24 @@ module KubernetesHelpers
   include Gitlab::Kubernetes
 
   def kube_discovery_body
-    { "kind" => "APIResourceList",
+    {
+      "kind" => "APIResourceList",
       "resources" => [
         { "name" => "pods", "namespaced" => true, "kind" => "Pod" },
-      ],
+      ]
     }
   end
 
   def kube_pods_body(*pods)
     { "kind" => "PodList",
-      "items" => [ kube_pod ],
-    }
+      "items" => [kube_pod] }
   end
 
   # This is a partial response, it will have many more elements in reality but
   # these are the ones we care about at the moment
   def kube_pod(app: "valid-pod-label")
-    { "metadata" => {
+    {
+      "metadata" => {
         "name" => "kube-pod",
         "creationTimestamp" => "2016-11-25T19:55:19Z",
         "labels" => { "app" => app },
@@ -29,7 +30,7 @@ module KubernetesHelpers
           { "name" => "container-1" },
         ],
       },
-      "status" => { "phase" => "Running" },
+      "status" => { "phase" => "Running" }
     }
   end
 
diff --git a/spec/support/login_helpers.rb b/spec/support/login_helpers.rb
index ad1eed5b369..9ffb00be0b8 100644
--- a/spec/support/login_helpers.rb
+++ b/spec/support/login_helpers.rb
@@ -15,11 +15,12 @@ module LoginHelpers
   #   user = create(:user)
   #   login_as(user)
   def login_as(user_or_role)
-    if user_or_role.kind_of?(User)
-      @user = user_or_role
-    else
-      @user = create(user_or_role)
-    end
+    @user =
+      if user_or_role.is_a?(User)
+        user_or_role
+      else
+        create(user_or_role)
+      end
 
     login_with(@user)
   end
diff --git a/spec/support/matchers/access_matchers.rb b/spec/support/matchers/access_matchers.rb
index ceddb656596..7d238850520 100644
--- a/spec/support/matchers/access_matchers.rb
+++ b/spec/support/matchers/access_matchers.rb
@@ -38,7 +38,7 @@ module AccessMatchers
   end
 
   def description_for(user, type)
-    if user.kind_of?(User)
+    if user.is_a?(User)
       # User#inspect displays too much information for RSpec's descriptions
       "be #{type} for the specified user"
     else
diff --git a/spec/support/merge_request_helpers.rb b/spec/support/merge_request_helpers.rb
index d5801c8272f..326b85eabd0 100644
--- a/spec/support/merge_request_helpers.rb
+++ b/spec/support/merge_request_helpers.rb
@@ -10,4 +10,13 @@ module MergeRequestHelpers
   def last_merge_request
     page.all('ul.mr-list > li').last.text
   end
+
+  def expect_mr_list_count(open_count, closed_count = 0)
+    all_count = open_count + closed_count
+
+    expect(page).to have_issuable_counts(open: open_count, closed: closed_count, all: all_count)
+    page.within '.mr-list' do
+      expect(page).to have_selector('.merge-request', count: open_count)
+    end
+  end
 end
diff --git a/spec/support/repo_helpers.rb b/spec/support/repo_helpers.rb
index 73f375c481b..e9d5c7b12ae 100644
--- a/spec/support/repo_helpers.rb
+++ b/spec/support/repo_helpers.rb
@@ -42,7 +42,7 @@ Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
 eos
     )
   end
-  
+
   def another_sample_commit
     OpenStruct.new(
       id: "e56497bb5f03a90a51293fc6d516788730953899",
@@ -100,13 +100,13 @@ eos
       }
     ]
 
-    commits = [
-      '5937ac0a7beb003549fc5fd26fc247adbce4a52e',
-      '570e7b2abdd848b95f2f578043fc23bd6f6fd24d',
-      '6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9',
-      'd14d6c0abdd253381df51a723d58691b2ee1ab08',
-      'c1acaa58bbcbc3eafe538cb8274ba387047b69f8',
-    ].reverse # last commit is recent one
+    commits = %w(
+      5937ac0a7beb003549fc5fd26fc247adbce4a52e
+      570e7b2abdd848b95f2f578043fc23bd6f6fd24d
+      6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9
+      d14d6c0abdd253381df51a723d58691b2ee1ab08
+      c1acaa58bbcbc3eafe538cb8274ba387047b69f8
+    ).reverse # last commit is recent one
 
     OpenStruct.new(
       source_branch: 'master',
diff --git a/spec/support/seed_helper.rb b/spec/support/seed_helper.rb
index 03fa0a66b9a..07f81e9c4f3 100644
--- a/spec/support/seed_helper.rb
+++ b/spec/support/seed_helper.rb
@@ -7,7 +7,7 @@ TEST_MUTABLE_REPO_PATH = File.join(SEED_REPOSITORY_PATH, "mutable-repo.git")
 TEST_BROKEN_REPO_PATH  = File.join(SEED_REPOSITORY_PATH, "broken-repo.git")
 
 module SeedHelper
-  GITLAB_URL = "https://gitlab.com/gitlab-org/gitlab-git-test.git"
+  GITLAB_URL = "https://gitlab.com/gitlab-org/gitlab-git-test.git".freeze
 
   def ensure_seeds
     if File.exist?(SEED_REPOSITORY_PATH)
diff --git a/spec/support/seed_repo.rb b/spec/support/seed_repo.rb
index 9f2cd7c67c5..99a500bbbb1 100644
--- a/spec/support/seed_repo.rb
+++ b/spec/support/seed_repo.rb
@@ -25,64 +25,64 @@
 
 module SeedRepo
   module BigCommit
-    ID               = "913c66a37b4a45b9769037c55c2d238bd0942d2e"
-    PARENT_ID        = "cfe32cf61b73a0d5e9f13e774abde7ff789b1660"
-    MESSAGE          = "Files, encoding and much more"
-    AUTHOR_FULL_NAME = "Dmitriy Zaporozhets"
+    ID               = "913c66a37b4a45b9769037c55c2d238bd0942d2e".freeze
+    PARENT_ID        = "cfe32cf61b73a0d5e9f13e774abde7ff789b1660".freeze
+    MESSAGE          = "Files, encoding and much more".freeze
+    AUTHOR_FULL_NAME = "Dmitriy Zaporozhets".freeze
     FILES_COUNT      = 2
   end
 
   module Commit
-    ID               = "570e7b2abdd848b95f2f578043fc23bd6f6fd24d"
-    PARENT_ID        = "6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9"
-    MESSAGE          = "Change some files\n\nSigned-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>\n"
-    AUTHOR_FULL_NAME = "Dmitriy Zaporozhets"
-    FILES            = ["files/ruby/popen.rb", "files/ruby/regex.rb"]
+    ID               = "570e7b2abdd848b95f2f578043fc23bd6f6fd24d".freeze
+    PARENT_ID        = "6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9".freeze
+    MESSAGE          = "Change some files\n\nSigned-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>\n".freeze
+    AUTHOR_FULL_NAME = "Dmitriy Zaporozhets".freeze
+    FILES            = ["files/ruby/popen.rb", "files/ruby/regex.rb"].freeze
     FILES_COUNT      = 2
-    C_FILE_PATH      = "files/ruby"
-    C_FILES          = ["popen.rb", "regex.rb", "version_info.rb"]
-    BLOB_FILE        = %{%h3= @key.title\n%hr\n%pre= @key.key\n.actions\n  = link_to 'Remove', @key, :confirm => 'Are you sure?', :method => :delete, :class => \"btn danger delete-key\"\n\n\n}
-    BLOB_FILE_PATH   = "app/views/keys/show.html.haml"
+    C_FILE_PATH      = "files/ruby".freeze
+    C_FILES          = ["popen.rb", "regex.rb", "version_info.rb"].freeze
+    BLOB_FILE        = %{%h3= @key.title\n%hr\n%pre= @key.key\n.actions\n  = link_to 'Remove', @key, :confirm => 'Are you sure?', :method => :delete, :class => \"btn danger delete-key\"\n\n\n}.freeze
+    BLOB_FILE_PATH   = "app/views/keys/show.html.haml".freeze
   end
 
   module EmptyCommit
-    ID               = "b0e52af38d7ea43cf41d8a6f2471351ac036d6c9"
-    PARENT_ID        = "40f4a7a617393735a95a0bb67b08385bc1e7c66d"
-    MESSAGE          = "Empty commit"
-    AUTHOR_FULL_NAME = "Rémy Coutable"
-    FILES            = []
+    ID               = "b0e52af38d7ea43cf41d8a6f2471351ac036d6c9".freeze
+    PARENT_ID        = "40f4a7a617393735a95a0bb67b08385bc1e7c66d".freeze
+    MESSAGE          = "Empty commit".freeze
+    AUTHOR_FULL_NAME = "Rémy Coutable".freeze
+    FILES            = [].freeze
     FILES_COUNT      = FILES.count
   end
 
   module EncodingCommit
-    ID               = "40f4a7a617393735a95a0bb67b08385bc1e7c66d"
-    PARENT_ID        = "66028349a123e695b589e09a36634d976edcc5e8"
-    MESSAGE          = "Add ISO-8859-encoded file"
-    AUTHOR_FULL_NAME = "Stan Hu"
-    FILES            = ["encoding/iso8859.txt"]
+    ID               = "40f4a7a617393735a95a0bb67b08385bc1e7c66d".freeze
+    PARENT_ID        = "66028349a123e695b589e09a36634d976edcc5e8".freeze
+    MESSAGE          = "Add ISO-8859-encoded file".freeze
+    AUTHOR_FULL_NAME = "Stan Hu".freeze
+    FILES            = ["encoding/iso8859.txt"].freeze
     FILES_COUNT      = FILES.count
   end
 
   module FirstCommit
-    ID               = "1a0b36b3cdad1d2ee32457c102a8c0b7056fa863"
+    ID               = "1a0b36b3cdad1d2ee32457c102a8c0b7056fa863".freeze
     PARENT_ID        = nil
-    MESSAGE          = "Initial commit"
-    AUTHOR_FULL_NAME = "Dmitriy Zaporozhets"
-    FILES            = ["LICENSE", ".gitignore", "README.md"]
+    MESSAGE          = "Initial commit".freeze
+    AUTHOR_FULL_NAME = "Dmitriy Zaporozhets".freeze
+    FILES            = ["LICENSE", ".gitignore", "README.md"].freeze
     FILES_COUNT      = 3
   end
 
   module LastCommit
-    ID               = "4b4918a572fa86f9771e5ba40fbd48e1eb03e2c6"
-    PARENT_ID        = "0e1b353b348f8477bdbec1ef47087171c5032cd9"
-    MESSAGE          = "Merge branch 'master' into 'master'"
-    AUTHOR_FULL_NAME = "Stan Hu"
-    FILES            = ["bin/executable"]
+    ID               = "4b4918a572fa86f9771e5ba40fbd48e1eb03e2c6".freeze
+    PARENT_ID        = "0e1b353b348f8477bdbec1ef47087171c5032cd9".freeze
+    MESSAGE          = "Merge branch 'master' into 'master'".freeze
+    AUTHOR_FULL_NAME = "Stan Hu".freeze
+    FILES            = ["bin/executable"].freeze
     FILES_COUNT      = FILES.count
   end
 
   module Repo
-    HEAD = "master"
+    HEAD = "master".freeze
     BRANCHES = %w[
       feature
       fix
@@ -93,14 +93,14 @@ module SeedRepo
       gitattributes-updated
       master
       merge-test
-    ]
-    TAGS = %w[v1.0.0 v1.1.0 v1.2.0 v1.2.1]
+    ].freeze
+    TAGS = %w[v1.0.0 v1.1.0 v1.2.0 v1.2.1].freeze
   end
 
   module RubyBlob
-    ID = "7e3e39ebb9b2bf433b4ad17313770fbe4051649c"
-    NAME = "popen.rb"
-    CONTENT = <<-eos
+    ID = "7e3e39ebb9b2bf433b4ad17313770fbe4051649c".freeze
+    NAME = "popen.rb".freeze
+    CONTENT = <<-eos.freeze
 require 'fileutils'
 require 'open3'
 
diff --git a/spec/support/select2_helper.rb b/spec/support/select2_helper.rb
index d30cc8ff9f2..0d526045012 100644
--- a/spec/support/select2_helper.rb
+++ b/spec/support/select2_helper.rb
@@ -12,7 +12,7 @@
 
 module Select2Helper
   def select2(value, options = {})
-    raise ArgumentError, 'options must be a Hash' unless options.kind_of?(Hash)
+    raise ArgumentError, 'options must be a Hash' unless options.is_a?(Hash)
 
     selector = options.fetch(:from)
 
diff --git a/spec/support/services/issuable_create_service_slash_commands_shared_examples.rb b/spec/support/services/issuable_create_service_slash_commands_shared_examples.rb
index c64574679b6..81d06dc2a3d 100644
--- a/spec/support/services/issuable_create_service_slash_commands_shared_examples.rb
+++ b/spec/support/services/issuable_create_service_slash_commands_shared_examples.rb
@@ -11,7 +11,7 @@ shared_examples 'new issuable record that supports slash commands' do
   let(:params) { base_params.merge(defined?(default_params) ? default_params : {}).merge(example_params) }
   let(:issuable) { described_class.new(project, user, params).execute }
 
-  before { project.team << [assignee, :master ] }
+  before { project.team << [assignee, :master] }
 
   context 'with labels in command only' do
     let(:example_params) do
diff --git a/spec/support/stub_gitlab_calls.rb b/spec/support/stub_gitlab_calls.rb
index 93f96cacc00..a01ef576234 100644
--- a/spec/support/stub_gitlab_calls.rb
+++ b/spec/support/stub_gitlab_calls.rb
@@ -35,7 +35,7 @@ module StubGitlabCalls
       { "tags" => tags }
     )
     allow_any_instance_of(ContainerRegistry::Client).to receive(:repository_manifest).and_return(
-      JSON.load(File.read(Rails.root + 'spec/fixtures/container_registry/tag_manifest.json'))
+      JSON.parse(File.read(Rails.root + 'spec/fixtures/container_registry/tag_manifest.json'))
     )
     allow_any_instance_of(ContainerRegistry::Client).to receive(:blob).and_return(
       File.read(Rails.root + 'spec/fixtures/container_registry/config_blob.json')
diff --git a/spec/support/test_env.rb b/spec/support/test_env.rb
index b87232a350b..4e63a4cd537 100644
--- a/spec/support/test_env.rb
+++ b/spec/support/test_env.rb
@@ -38,7 +38,7 @@ module TestEnv
     'deleted-image-test'                 => '6c17798',
     'wip'                                => 'b9238ee',
     'csv'                                => '3dd0896'
-  }
+  }.freeze
 
   # gitlab-test-fork is a fork of gitlab-fork, but we don't necessarily
   # need to keep all the branches in sync.
@@ -48,7 +48,7 @@ module TestEnv
     'master'                     => '5937ac0',
     'remove-submodule'           => '2a33e0c',
     'conflict-resolvable-fork'   => '404fa3f'
-  }
+  }.freeze
 
   # Test environment
   #
diff --git a/spec/workers/git_garbage_collect_worker_spec.rb b/spec/workers/git_garbage_collect_worker_spec.rb
index 5ef8cf1105b..a60af574a08 100644
--- a/spec/workers/git_garbage_collect_worker_spec.rb
+++ b/spec/workers/git_garbage_collect_worker_spec.rb
@@ -102,8 +102,8 @@ describe GitGarbageCollectWorker do
     new_commit_sha = Rugged::Commit.create(
       rugged,
       message: "hello world #{SecureRandom.hex(6)}",
-      author: Gitlab::Git::committer_hash(email: 'foo@bar', name: 'baz'),
-      committer: Gitlab::Git::committer_hash(email: 'foo@bar', name: 'baz'),
+      author: Gitlab::Git.committer_hash(email: 'foo@bar', name: 'baz'),
+      committer: Gitlab::Git.committer_hash(email: 'foo@bar', name: 'baz'),
       tree: old_commit.tree,
       parents: [old_commit],
     )
diff --git a/spec/workers/repository_import_worker_spec.rb b/spec/workers/repository_import_worker_spec.rb
index f1b1574abf4..c42f3147b7a 100644
--- a/spec/workers/repository_import_worker_spec.rb
+++ b/spec/workers/repository_import_worker_spec.rb
@@ -20,7 +20,7 @@ describe RepositoryImportWorker do
 
     context 'when the import has failed' do
       it 'hide the credentials that were used in the import URL' do
-        error = %Q{remote: Not Found fatal: repository 'https://user:pass@test.com/root/repoC.git/' not found }
+        error = %q{remote: Not Found fatal: repository 'https://user:pass@test.com/root/repoC.git/' not found }
         expect_any_instance_of(Projects::ImportService).to receive(:execute).
           and_return({ status: :error, message: error })