Merge remote-tracking branch 'origin/master' into chat-name-authorize

57 files changed, 831 insertions, 144 deletions

diff --git a/spec/controllers/help_controller_spec.rb b/spec/controllers/help_controller_spec.rb
index 33c75e7584f..6fc6ea95e13 100644
--- a/spec/controllers/help_controller_spec.rb
+++ b/spec/controllers/help_controller_spec.rb
@@ -7,6 +7,40 @@ describe HelpController do
     sign_in(user)
   end
 
+  describe 'GET #index' do
+    context 'when url prefixed without /help/' do
+      it 'has correct url prefix' do
+        stub_readme("[API](api/README.md)")
+        get :index
+        expect(assigns[:help_index]).to eq '[API](/help/api/README.md)'
+      end
+    end
+
+    context 'when url prefixed with help/' do
+      it 'will be an absolute path' do
+        stub_readme("[API](help/api/README.md)")
+        get :index
+        expect(assigns[:help_index]).to eq '[API](/help/api/README.md)'
+      end
+    end
+
+    context 'when url prefixed with help' do
+      it 'will be an absolute path' do
+        stub_readme("[API](helpful_hints/README.md)")
+        get :index
+        expect(assigns[:help_index]).to eq '[API](/help/helpful_hints/README.md)'
+      end
+    end
+
+    context 'when url prefixed with /help/' do
+      it 'will not be changed' do
+        stub_readme("[API](/help/api/README.md)")
+        get :index
+        expect(assigns[:help_index]).to eq '[API](/help/api/README.md)'
+      end
+    end
+  end
+
   describe 'GET #show' do
     context 'for Markdown formats' do
       context 'when requested file exists' do
@@ -72,4 +106,8 @@ describe HelpController do
       end
     end
   end
+
+  def stub_readme(content)
+    allow(File).to receive(:read).and_return(content)
+  end
 end
diff --git a/spec/controllers/projects/branches_controller_spec.rb b/spec/controllers/projects/branches_controller_spec.rb
index 644de308c64..f7cf006efd6 100644
--- a/spec/controllers/projects/branches_controller_spec.rb
+++ b/spec/controllers/projects/branches_controller_spec.rb
@@ -1,13 +1,13 @@
 require 'spec_helper'
 
 describe Projects::BranchesController do
-  let(:project) { create(:project) }
-  let(:user)    { create(:user) }
+  let(:project)   { create(:project) }
+  let(:user)      { create(:user) }
+  let(:developer) { create(:user) }
 
   before do
-    sign_in(user)
-
     project.team << [user, :master]
+    project.team << [user, :developer]
 
     allow(project).to receive(:branches).and_return(['master', 'foo/bar/baz'])
     allow(project).to receive(:tags).and_return(['v1.0.0', 'v2.0.0'])
@@ -19,6 +19,8 @@ describe Projects::BranchesController do
 
     context "on creation of a new branch" do
       before do
+        sign_in(user)
+
         post :create,
           namespace_id: project.namespace.to_param,
           project_id: project.to_param,
@@ -68,6 +70,10 @@ describe Projects::BranchesController do
       let(:branch) { "1-feature-branch" }
       let!(:issue) { create(:issue, project: project) }
 
+      before do
+        sign_in(user)
+      end
+
       it 'redirects' do
         post :create,
           namespace_id: project.namespace.to_param,
@@ -94,6 +100,10 @@ describe Projects::BranchesController do
   describe "POST destroy with HTML format" do
     render_views
 
+    before do
+      sign_in(user)
+    end
+
     it 'returns 303' do
       post :destroy,
            format: :html,
@@ -109,6 +119,8 @@ describe Projects::BranchesController do
     render_views
 
     before do
+      sign_in(user)
+
       post :destroy,
            format: :js,
            id: branch,
@@ -139,4 +151,42 @@ describe Projects::BranchesController do
       it { expect(response).to have_http_status(404) }
     end
   end
+
+  describe "DELETE destroy_all_merged" do
+    def destroy_all_merged
+      delete :destroy_all_merged,
+             namespace_id: project.namespace.to_param,
+             project_id: project.to_param
+    end
+
+    context 'when user is allowed to push' do
+      before do
+        sign_in(user)
+      end
+
+      it 'redirects to branches' do
+        destroy_all_merged
+
+        expect(response).to redirect_to namespace_project_branches_path(project.namespace, project)
+      end
+
+      it 'starts worker to delete merged branches' do
+        expect_any_instance_of(DeleteMergedBranchesService).to receive(:async_execute)
+
+        destroy_all_merged
+      end
+    end
+
+    context 'when user is not allowed to push' do
+      before do
+        sign_in(developer)
+      end
+
+      it 'responds with status 404' do
+        destroy_all_merged
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
 end
diff --git a/spec/controllers/projects/merge_requests_controller_spec.rb b/spec/controllers/projects/merge_requests_controller_spec.rb
index 49127aecc63..1d0750d1719 100644
--- a/spec/controllers/projects/merge_requests_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests_controller_spec.rb
@@ -39,6 +39,17 @@ describe Projects::MergeRequestsController do
     end
   end
 
+  shared_examples "loads labels" do |action|
+    it "loads labels into the @labels variable" do
+      get action,
+          namespace_id: project.namespace.to_param,
+          project_id: project.to_param,
+          id: merge_request.iid,
+          format: 'html'
+      expect(assigns(:labels)).not_to be_nil
+    end
+  end
+
   describe "GET show" do
     shared_examples "export merge as" do |format|
       it "does generally work" do
@@ -51,6 +62,8 @@ describe Projects::MergeRequestsController do
         expect(response).to be_success
       end
 
+      it_behaves_like "loads labels", :show
+
       it "generates it" do
         expect_any_instance_of(MergeRequest).to receive(:"to_#{format}")
 
@@ -406,6 +419,8 @@ describe Projects::MergeRequestsController do
       get :diffs, params.merge(extra_params)
     end
 
+    it_behaves_like "loads labels", :diffs
+
     context 'with default params' do
       context 'as html' do
         before { go(format: 'html') }
@@ -612,6 +627,8 @@ describe Projects::MergeRequestsController do
           format: format
     end
 
+    it_behaves_like "loads labels", :commits
+
     context 'as html' do
       it 'renders the show template' do
         go
@@ -630,6 +647,14 @@ describe Projects::MergeRequestsController do
     end
   end
 
+  describe 'GET builds' do
+    it_behaves_like "loads labels", :builds
+  end
+
+  describe 'GET pipelines' do
+    it_behaves_like "loads labels", :pipelines
+  end
+
   describe 'GET conflicts' do
     let(:json_response) { JSON.parse(response.body) }
 
diff --git a/spec/features/boards/boards_spec.rb b/spec/features/boards/boards_spec.rb
index 6cb8753e8fc..4aa84fb65d9 100644
--- a/spec/features/boards/boards_spec.rb
+++ b/spec/features/boards/boards_spec.rb
@@ -659,6 +659,10 @@ describe 'Issue Boards', feature: true, js: true do
       wait_for_vue_resource
     end
 
+    it 'displays lists' do
+      expect(page).to have_selector('.board')
+    end
+
     it 'does not show create new list' do
       expect(page).not_to have_selector('.js-new-board-list')
     end
diff --git a/spec/features/boards/new_issue_spec.rb b/spec/features/boards/new_issue_spec.rb
index 760a8967123..a03cd6fbf2d 100644
--- a/spec/features/boards/new_issue_spec.rb
+++ b/spec/features/boards/new_issue_spec.rb
@@ -46,7 +46,7 @@ describe 'Issue Boards new issue', feature: true, js: true do
 
         click_button 'Cancel'
 
-        expect(page).to have_selector('.board-new-issue-form', visible: false)
+        expect(page).not_to have_selector('.board-new-issue-form')
       end
     end
 
diff --git a/spec/features/dashboard/issuables_counter_spec.rb b/spec/features/dashboard/issuables_counter_spec.rb
new file mode 100644
index 00000000000..41dcfe439c2
--- /dev/null
+++ b/spec/features/dashboard/issuables_counter_spec.rb
@@ -0,0 +1,44 @@
+require 'spec_helper'
+
+describe 'Navigation bar counter', feature: true, js: true, caching: true do
+  let(:user) { create(:user) }
+  let(:project) { create(:empty_project, namespace: user.namespace) }
+  let(:issue) { create(:issue, project: project) }
+  let(:merge_request) { create(:merge_request, source_project: project) }
+
+  before do
+    issue.update(assignee: user)
+    merge_request.update(assignee: user)
+    login_as(user)
+  end
+
+  it 'reflects dashboard issues count' do
+    visit issues_dashboard_path
+
+    expect_counters('issues', '1')
+
+    issue.update(assignee: nil)
+    visit issues_dashboard_path
+
+    expect_counters('issues', '1')
+  end
+
+  it 'reflects dashboard merge requests count' do
+    visit merge_requests_dashboard_path
+
+    expect_counters('merge_requests', '1')
+
+    merge_request.update(assignee: nil)
+    visit merge_requests_dashboard_path
+
+    expect_counters('merge_requests', '1')
+  end
+
+  def expect_counters(issuable_type, count)
+    dashboard_count = find('li.active span.badge')
+    nav_count = find(".dashboard-shortcuts-#{issuable_type} span.count")
+
+    expect(nav_count).to have_content(count)
+    expect(dashboard_count).to have_content(count)
+  end
+end
diff --git a/spec/features/expand_collapse_diffs_spec.rb b/spec/features/expand_collapse_diffs_spec.rb
index 6c938bdead8..3934c936f20 100644
--- a/spec/features/expand_collapse_diffs_spec.rb
+++ b/spec/features/expand_collapse_diffs_spec.rb
@@ -182,6 +182,20 @@ feature 'Expand and collapse diffs', js: true, feature: true do
         end
       end
     end
+
+    context 'expanding a diff when symlink was converted to a regular file' do
+      let(:branch) { 'symlink-expand-diff' }
+
+      it 'shows the content of the regular file' do
+        expect(page).to have_content('This diff is collapsed')
+        expect(page).to have_no_content('No longer a symlink')
+
+        find('.click-to-expand').click
+        wait_for_ajax
+
+        expect(page).to have_content('No longer a symlink')
+      end
+    end
   end
 
   context 'visiting a commit without collapsed diffs' do
diff --git a/spec/features/groups_spec.rb b/spec/features/groups_spec.rb
index 13bfe90302c..4b19886274e 100644
--- a/spec/features/groups_spec.rb
+++ b/spec/features/groups_spec.rb
@@ -80,7 +80,7 @@ feature 'Group', feature: true do
 
       visit path
 
-      expect(page).to have_css('.description > p > strong')
+      expect(page).to have_css('.group-home-desc > p > strong')
     end
 
     it 'passes through html-pipeline' do
@@ -88,7 +88,7 @@ feature 'Group', feature: true do
 
       visit path
 
-      expect(page).to have_css('.description > p > img')
+      expect(page).to have_css('.group-home-desc > p > img')
     end
 
     it 'sanitizes unwanted tags' do
@@ -96,7 +96,7 @@ feature 'Group', feature: true do
 
       visit path
 
-      expect(page).not_to have_css('.description h1')
+      expect(page).not_to have_css('.group-home-desc h1')
     end
 
     it 'permits `rel` attribute on links' do
@@ -104,7 +104,7 @@ feature 'Group', feature: true do
 
       visit path
 
-      expect(page).to have_css('.description a[rel]')
+      expect(page).to have_css('.group-home-desc a[rel]')
     end
   end
 end
diff --git a/spec/features/merge_requests/create_new_mr_spec.rb b/spec/features/merge_requests/create_new_mr_spec.rb
index c68e1ea4af9..584574cc91a 100644
--- a/spec/features/merge_requests/create_new_mr_spec.rb
+++ b/spec/features/merge_requests/create_new_mr_spec.rb
@@ -67,4 +67,14 @@ feature 'Create New Merge Request', feature: true, js: true do
     expect(page).to have_content('Source branch "non-exist-source" does not exist')
     expect(page).to have_content('Target branch "non-exist-target" does not exist')
   end
+
+  context 'when a branch contains commits that both delete and add the same image' do
+    it 'renders the diff successfully' do
+      visit new_namespace_project_merge_request_path(project.namespace, project, merge_request: { target_branch: 'master', source_branch: 'deleted-image-test' })
+
+      click_link "Changes"
+
+      expect(page).to have_content "6049019_460s.jpg"
+    end
+  end
 end
diff --git a/spec/features/merge_requests/diff_notes_resolve_spec.rb b/spec/features/merge_requests/diff_notes_resolve_spec.rb
index 5e6d8467217..d5e3d8e7eff 100644
--- a/spec/features/merge_requests/diff_notes_resolve_spec.rb
+++ b/spec/features/merge_requests/diff_notes_resolve_spec.rb
@@ -69,8 +69,6 @@ feature 'Diff notes resolve', feature: true, js: true do
 
         page.within '.diff-content .note' do
           expect(page).to have_selector('.line-resolve-btn.is-active')
-
-          expect(find('.line-resolve-btn')['data-original-title']).to eq("Resolved by #{user.name}")
         end
 
         page.within '.line-resolve-all-container' do
diff --git a/spec/features/projects/new_project_spec.rb b/spec/features/projects/new_project_spec.rb
new file mode 100644
index 00000000000..abfc46601fb
--- /dev/null
+++ b/spec/features/projects/new_project_spec.rb
@@ -0,0 +1,19 @@
+require "spec_helper"
+
+feature "New project", feature: true do
+  context "Visibility level selector" do
+    let(:user) { create(:admin) }
+
+    before { login_as(user) }
+
+    Gitlab::VisibilityLevel.options.each do |key, level|
+      it "sets selector to #{key}" do
+        stub_application_setting(default_project_visibility: level)
+
+        visit new_project_path
+
+        expect(find_field("project_visibility_level_#{level}")).to be_checked
+      end
+    end
+  end
+end
diff --git a/spec/features/projects/project_settings_spec.rb b/spec/features/projects/project_settings_spec.rb
index 3de25d7af7d..bf60cca4ea4 100644
--- a/spec/features/projects/project_settings_spec.rb
+++ b/spec/features/projects/project_settings_spec.rb
@@ -18,7 +18,7 @@ describe 'Edit Project Settings', feature: true do
       click_button 'Save changes'
 
       expect(page).to have_field 'project_name_edit', with: 'foo&bar'
-      expect(page).to have_content "Name can contain only letters, digits, '_', '.', dash and space. It must start with letter, digit or '_'."
+      expect(page).to have_content "Name can contain only letters, digits, emojis, '_', '.', dash, space. It must start with letter, digit, emoji or '_'."
       expect(page).to have_button 'Save changes'
     end
   end
@@ -34,8 +34,21 @@ describe 'Edit Project Settings', feature: true do
 
       expect(page).to have_field 'Project name', with: 'foo&bar'
       expect(page).to have_field 'Path', with: 'foo&bar'
-      expect(page).to have_content "Name can contain only letters, digits, '_', '.', dash and space. It must start with letter, digit or '_'."
+      expect(page).to have_content "Name can contain only letters, digits, emojis, '_', '.', dash, space. It must start with letter, digit, emoji or '_'."
       expect(page).to have_content "Path can contain only letters, digits, '_', '-' and '.'. Cannot start with '-', end in '.git' or end in '.atom'"
     end
   end
+
+  describe 'Rename repository name with emojis' do
+    it 'shows error for invalid project name' do
+      visit edit_namespace_project_path(project.namespace, project)
+
+      fill_in 'Project name', with: '🚀 foo bar ☁️'
+
+      click_button 'Rename project'
+
+      expect(page).to have_field 'Project name', with: '🚀 foo bar ☁️'
+      expect(page).not_to have_content "Name can contain only letters, digits, emojis '_', '.', dash and space. It must start with letter, digit, emoji or '_'."
+    end
+  end
 end
diff --git a/spec/features/todos/todos_spec.rb b/spec/features/todos/todos_spec.rb
index 3ae83ac082d..88eabea7e3a 100644
--- a/spec/features/todos/todos_spec.rb
+++ b/spec/features/todos/todos_spec.rb
@@ -44,7 +44,7 @@ describe 'Dashboard Todos', feature: true do
         end
 
         it 'shows "All done" message' do
-          expect(page).to have_content("Good job! Looks like you don't have any todos left.")
+          expect(page).to have_selector('.todos-all-done', count: 1)
         end
       end
 
@@ -64,7 +64,7 @@ describe 'Dashboard Todos', feature: true do
           end
 
           it 'shows "All done" message' do
-            expect(page).to have_content("Good job! Looks like you don't have any todos left.")
+            expect(page).to have_selector('.todos-all-done', count: 1)
           end
         end
       end
@@ -152,7 +152,7 @@ describe 'Dashboard Todos', feature: true do
         within('.todos-pending-count') { expect(page).to have_content '0' }
         expect(page).to have_content 'To do 0'
         expect(page).to have_content 'Done 0'
-        expect(page).to have_content "Good job! Looks like you don't have any todos left."
+        expect(page).to have_selector('.todos-all-done', count: 1)
       end
     end
   end
diff --git a/spec/lib/gitlab/ci/config/node/artifacts_spec.rb b/spec/lib/gitlab/ci/config/entry/artifacts_spec.rb
index c09a0a9c793..5c31423fdee 100644
--- a/spec/lib/gitlab/ci/config/node/artifacts_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/artifacts_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Artifacts do
+describe Gitlab::Ci::Config::Entry::Artifacts do
   let(:entry) { described_class.new(config) }
 
   describe 'validation' do
diff --git a/spec/lib/gitlab/ci/config/node/attributable_spec.rb b/spec/lib/gitlab/ci/config/entry/attributable_spec.rb
index 24d9daafd88..fde03c51e2c 100644
--- a/spec/lib/gitlab/ci/config/node/attributable_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/attributable_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Attributable do
+describe Gitlab::Ci::Config::Entry::Attributable do
   let(:node) { Class.new }
   let(:instance) { node.new }
 
diff --git a/spec/lib/gitlab/ci/config/node/boolean_spec.rb b/spec/lib/gitlab/ci/config/entry/boolean_spec.rb
index deafa8bf8a7..5f067cad93c 100644
--- a/spec/lib/gitlab/ci/config/node/boolean_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/boolean_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Boolean do
+describe Gitlab::Ci::Config::Entry::Boolean do
   let(:entry) { described_class.new(config) }
 
   describe 'validations' do
diff --git a/spec/lib/gitlab/ci/config/node/cache_spec.rb b/spec/lib/gitlab/ci/config/entry/cache_spec.rb
index e251210949c..70a327c5183 100644
--- a/spec/lib/gitlab/ci/config/node/cache_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/cache_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Cache do
+describe Gitlab::Ci::Config::Entry::Cache do
   let(:entry) { described_class.new(config) }
 
   describe 'validations' do
diff --git a/spec/lib/gitlab/ci/config/node/commands_spec.rb b/spec/lib/gitlab/ci/config/entry/commands_spec.rb
index e373c40706f..b8b0825a1c7 100644
--- a/spec/lib/gitlab/ci/config/node/commands_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/commands_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Commands do
+describe Gitlab::Ci::Config::Entry::Commands do
   let(:entry) { described_class.new(config) }
 
   context 'when entry config value is an array' do
diff --git a/spec/lib/gitlab/ci/config/entry/configurable_spec.rb b/spec/lib/gitlab/ci/config/entry/configurable_spec.rb
new file mode 100644
index 00000000000..ae7e628b5b5
--- /dev/null
+++ b/spec/lib/gitlab/ci/config/entry/configurable_spec.rb
@@ -0,0 +1,67 @@
+require 'spec_helper'
+
+describe Gitlab::Ci::Config::Entry::Configurable do
+  let(:entry) { Class.new }
+
+  before do
+    entry.include(described_class)
+  end
+
+  describe 'validations' do
+    let(:validator) { entry.validator.new(instance) }
+
+    before do
+      entry.class_eval do
+        attr_reader :config
+
+        def initialize(config)
+          @config = config
+        end
+      end
+
+      validator.validate
+    end
+
+    context 'when entry validator is invalid' do
+      let(:instance) { entry.new('ls') }
+
+      it 'returns invalid validator' do
+        expect(validator).to be_invalid
+      end
+    end
+
+    context 'when entry instance is valid' do
+      let(:instance) { entry.new(key: 'value') }
+
+      it 'returns valid validator' do
+        expect(validator).to be_valid
+      end
+    end
+  end
+
+  describe 'configured entries' do
+    before do
+      entry.class_eval do
+        entry :object, Object, description: 'test object'
+      end
+    end
+
+    describe '.nodes' do
+      it 'has valid nodes' do
+        expect(entry.nodes).to include :object
+      end
+
+      it 'creates a node factory' do
+        expect(entry.nodes[:object])
+          .to be_an_instance_of Gitlab::Ci::Config::Entry::Factory
+      end
+
+      it 'returns a duplicated factory object' do
+        first_factory = entry.nodes[:object]
+        second_factory = entry.nodes[:object]
+
+        expect(first_factory).not_to be_equal(second_factory)
+      end
+    end
+  end
+end
diff --git a/spec/lib/gitlab/ci/config/node/environment_spec.rb b/spec/lib/gitlab/ci/config/entry/environment_spec.rb
index df925ff1afd..d97806295fb 100644
--- a/spec/lib/gitlab/ci/config/node/environment_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/environment_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Environment do
+describe Gitlab::Ci::Config::Entry::Environment do
   let(:entry) { described_class.new(config) }
 
   before { entry.compose! }
diff --git a/spec/lib/gitlab/ci/config/node/factory_spec.rb b/spec/lib/gitlab/ci/config/entry/factory_spec.rb
index a699089c563..00dad5d9591 100644
--- a/spec/lib/gitlab/ci/config/node/factory_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/factory_spec.rb
@@ -1,9 +1,9 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Factory do
+describe Gitlab::Ci::Config::Entry::Factory do
   describe '#create!' do
-    let(:factory) { described_class.new(node) }
-    let(:node) { Gitlab::Ci::Config::Node::Script }
+    let(:factory) { described_class.new(entry) }
+    let(:entry) { Gitlab::Ci::Config::Entry::Script }
 
     context 'when setting a concrete value' do
       it 'creates entry with valid value' do
@@ -54,7 +54,7 @@ describe Gitlab::Ci::Config::Node::Factory do
     context 'when not setting a value' do
       it 'raises error' do
         expect { factory.create! }.to raise_error(
-          Gitlab::Ci::Config::Node::Factory::InvalidFactory
+          Gitlab::Ci::Config::Entry::Factory::InvalidFactory
         )
       end
     end
@@ -66,12 +66,12 @@ describe Gitlab::Ci::Config::Node::Factory do
           .create!
 
         expect(entry)
-          .to be_an_instance_of Gitlab::Ci::Config::Node::Unspecified
+          .to be_an_instance_of Gitlab::Ci::Config::Entry::Unspecified
       end
     end
 
     context 'when passing metadata' do
-      let(:node) { spy('node') }
+      let(:entry) { spy('entry') }
 
       it 'passes metadata as a parameter' do
         factory
@@ -79,7 +79,7 @@ describe Gitlab::Ci::Config::Node::Factory do
           .metadata(some: 'hash')
           .create!
 
-        expect(node).to have_received(:new)
+        expect(entry).to have_received(:new)
           .with('some value', { some: 'hash' })
       end
     end
diff --git a/spec/lib/gitlab/ci/config/node/global_spec.rb b/spec/lib/gitlab/ci/config/entry/global_spec.rb
index 12232ff7e2f..c7726adfd27 100644
--- a/spec/lib/gitlab/ci/config/node/global_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/global_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Global do
+describe Gitlab::Ci::Config::Entry::Global do
   let(:global) { described_class.new(hash) }
 
   describe '.nodes' do
@@ -40,9 +40,9 @@ describe Gitlab::Ci::Config::Node::Global do
 
         it 'creates node object using valid class' do
           expect(global.descendants.first)
-            .to be_an_instance_of Gitlab::Ci::Config::Node::Script
+            .to be_an_instance_of Gitlab::Ci::Config::Entry::Script
           expect(global.descendants.second)
-            .to be_an_instance_of Gitlab::Ci::Config::Node::Image
+            .to be_an_instance_of Gitlab::Ci::Config::Entry::Image
         end
 
         it 'sets correct description for nodes' do
@@ -181,7 +181,7 @@ describe Gitlab::Ci::Config::Node::Global do
 
         it 'contains unspecified nodes' do
           expect(global.descendants.first)
-            .to be_an_instance_of Gitlab::Ci::Config::Node::Unspecified
+            .to be_an_instance_of Gitlab::Ci::Config::Entry::Unspecified
         end
       end
 
@@ -284,7 +284,7 @@ describe Gitlab::Ci::Config::Node::Global do
     context 'when node exists' do
       it 'returns correct entry' do
         expect(global[:cache])
-          .to be_an_instance_of Gitlab::Ci::Config::Node::Cache
+          .to be_an_instance_of Gitlab::Ci::Config::Entry::Cache
         expect(global[:jobs][:rspec][:script].value).to eq ['ls']
       end
     end
diff --git a/spec/lib/gitlab/ci/config/node/hidden_spec.rb b/spec/lib/gitlab/ci/config/entry/hidden_spec.rb
index 61e2a554419..459362761e6 100644
--- a/spec/lib/gitlab/ci/config/node/hidden_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/hidden_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Hidden do
+describe Gitlab::Ci::Config::Entry::Hidden do
   let(:entry) { described_class.new(config) }
 
   describe 'validations' do
diff --git a/spec/lib/gitlab/ci/config/node/image_spec.rb b/spec/lib/gitlab/ci/config/entry/image_spec.rb
index d11bb39f328..3c99cb0a1ee 100644
--- a/spec/lib/gitlab/ci/config/node/image_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/image_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Image do
+describe Gitlab::Ci::Config::Entry::Image do
   let(:entry) { described_class.new(config) }
 
   describe 'validation' do
diff --git a/spec/lib/gitlab/ci/config/node/job_spec.rb b/spec/lib/gitlab/ci/config/entry/job_spec.rb
index 91f676dae03..c05711b6338 100644
--- a/spec/lib/gitlab/ci/config/node/job_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/job_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Job do
+describe Gitlab::Ci::Config::Entry::Job do
   let(:entry) { described_class.new(config, name: :rspec) }
 
   describe 'validations' do
diff --git a/spec/lib/gitlab/ci/config/node/jobs_spec.rb b/spec/lib/gitlab/ci/config/entry/jobs_spec.rb
index 929809339ef..aaebf783962 100644
--- a/spec/lib/gitlab/ci/config/node/jobs_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/jobs_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Jobs do
+describe Gitlab::Ci::Config::Entry::Jobs do
   let(:entry) { described_class.new(config) }
 
   describe 'validations' do
@@ -74,9 +74,9 @@ describe Gitlab::Ci::Config::Node::Jobs do
       it 'creates valid descendant nodes' do
         expect(entry.descendants.count).to eq 3
         expect(entry.descendants.first(2))
-          .to all(be_an_instance_of(Gitlab::Ci::Config::Node::Job))
+          .to all(be_an_instance_of(Gitlab::Ci::Config::Entry::Job))
         expect(entry.descendants.last)
-          .to be_an_instance_of(Gitlab::Ci::Config::Node::Hidden)
+          .to be_an_instance_of(Gitlab::Ci::Config::Entry::Hidden)
       end
     end
 
diff --git a/spec/lib/gitlab/ci/config/node/key_spec.rb b/spec/lib/gitlab/ci/config/entry/key_spec.rb
index 8cda43173fe..a55e5b4b8ac 100644
--- a/spec/lib/gitlab/ci/config/node/key_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/key_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Key do
+describe Gitlab::Ci::Config::Entry::Key do
   let(:entry) { described_class.new(config) }
 
   describe 'validations' do
diff --git a/spec/lib/gitlab/ci/config/node/paths_spec.rb b/spec/lib/gitlab/ci/config/entry/paths_spec.rb
index 6fd744b3975..e60c9aaf661 100644
--- a/spec/lib/gitlab/ci/config/node/paths_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/paths_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Paths do
+describe Gitlab::Ci::Config::Entry::Paths do
   let(:entry) { described_class.new(config) }
 
   describe 'validations' do
diff --git a/spec/lib/gitlab/ci/config/node/script_spec.rb b/spec/lib/gitlab/ci/config/entry/script_spec.rb
index 219a7e981d3..aa99cee2690 100644
--- a/spec/lib/gitlab/ci/config/node/script_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/script_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Script do
+describe Gitlab::Ci::Config::Entry::Script do
   let(:entry) { described_class.new(config) }
 
   describe 'validations' do
diff --git a/spec/lib/gitlab/ci/config/node/services_spec.rb b/spec/lib/gitlab/ci/config/entry/services_spec.rb
index be0fe46befd..66fad3b6b16 100644
--- a/spec/lib/gitlab/ci/config/node/services_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/services_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Services do
+describe Gitlab::Ci::Config::Entry::Services do
   let(:entry) { described_class.new(config) }
 
   describe 'validations' do
diff --git a/spec/lib/gitlab/ci/config/node/stage_spec.rb b/spec/lib/gitlab/ci/config/entry/stage_spec.rb
index fb9ec70762a..70c8a0a355a 100644
--- a/spec/lib/gitlab/ci/config/node/stage_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/stage_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Stage do
+describe Gitlab::Ci::Config::Entry::Stage do
   let(:stage) { described_class.new(config) }
 
   describe 'validations' do
diff --git a/spec/lib/gitlab/ci/config/node/stages_spec.rb b/spec/lib/gitlab/ci/config/entry/stages_spec.rb
index 1a3818d8997..182c8d867c7 100644
--- a/spec/lib/gitlab/ci/config/node/stages_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/stages_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Stages do
+describe Gitlab::Ci::Config::Entry::Stages do
   let(:entry) { described_class.new(config) }
 
   describe 'validations' do
diff --git a/spec/lib/gitlab/ci/config/node/trigger_spec.rb b/spec/lib/gitlab/ci/config/entry/trigger_spec.rb
index a4a3e36754e..e4ee44f1274 100644
--- a/spec/lib/gitlab/ci/config/node/trigger_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/trigger_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Trigger do
+describe Gitlab::Ci::Config::Entry::Trigger do
   let(:entry) { described_class.new(config) }
 
   describe 'validations' do
diff --git a/spec/lib/gitlab/ci/config/node/undefined_spec.rb b/spec/lib/gitlab/ci/config/entry/undefined_spec.rb
index 6bde8602963..fdf48d84192 100644
--- a/spec/lib/gitlab/ci/config/node/undefined_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/undefined_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Undefined do
+describe Gitlab::Ci::Config::Entry::Undefined do
   let(:entry) { described_class.new }
 
   describe '#leaf?' do
diff --git a/spec/lib/gitlab/ci/config/node/unspecified_spec.rb b/spec/lib/gitlab/ci/config/entry/unspecified_spec.rb
index ba3ceef24ce..66f88fa35b6 100644
--- a/spec/lib/gitlab/ci/config/node/unspecified_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/unspecified_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Unspecified do
+describe Gitlab::Ci::Config::Entry::Unspecified do
   let(:unspecified) { described_class.new(entry) }
   let(:entry) { spy('Entry') }
 
diff --git a/spec/lib/gitlab/ci/config/node/validatable_spec.rb b/spec/lib/gitlab/ci/config/entry/validatable_spec.rb
index 64b77fd6e03..d1856801827 100644
--- a/spec/lib/gitlab/ci/config/node/validatable_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/validatable_spec.rb
@@ -1,15 +1,15 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Validatable do
-  let(:node) { Class.new }
+describe Gitlab::Ci::Config::Entry::Validatable do
+  let(:entry) { Class.new }
 
   before do
-    node.include(described_class)
+    entry.include(described_class)
   end
 
   describe '.validator' do
     before do
-      node.class_eval do
+      entry.class_eval do
         attr_accessor :test_attribute
 
         validations do
@@ -19,34 +19,34 @@ describe Gitlab::Ci::Config::Node::Validatable do
     end
 
     it 'returns validator' do
-      expect(node.validator.superclass)
-        .to be Gitlab::Ci::Config::Node::Validator
+      expect(entry.validator.superclass)
+        .to be Gitlab::Ci::Config::Entry::Validator
     end
 
     it 'returns only one validator to mitigate leaks' do
-      expect { node.validator }.not_to change { node.validator }
+      expect { entry.validator }.not_to change { entry.validator }
     end
 
-    context 'when validating node instance' do
-      let(:node_instance) { node.new }
+    context 'when validating entry instance' do
+      let(:entry_instance) { entry.new }
 
       context 'when attribute is valid' do
         before do
-          node_instance.test_attribute = 'valid'
+          entry_instance.test_attribute = 'valid'
         end
 
         it 'instance of validator is valid' do
-          expect(node.validator.new(node_instance)).to be_valid
+          expect(entry.validator.new(entry_instance)).to be_valid
         end
       end
 
       context 'when attribute is not valid' do
         before do
-          node_instance.test_attribute = nil
+          entry_instance.test_attribute = nil
         end
 
         it 'instance of validator is invalid' do
-          expect(node.validator.new(node_instance)).to be_invalid
+          expect(entry.validator.new(entry_instance)).to be_invalid
         end
       end
     end
diff --git a/spec/lib/gitlab/ci/config/node/validator_spec.rb b/spec/lib/gitlab/ci/config/entry/validator_spec.rb
index 090fd63b844..ad7e6f07d3c 100644
--- a/spec/lib/gitlab/ci/config/node/validator_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/validator_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Validator do
+describe Gitlab::Ci::Config::Entry::Validator do
   let(:validator) { Class.new(described_class) }
   let(:validator_instance) { validator.new(node) }
   let(:node) { spy('node') }
diff --git a/spec/lib/gitlab/ci/config/node/variables_spec.rb b/spec/lib/gitlab/ci/config/entry/variables_spec.rb
index 4b6d971ec71..58327d08904 100644
--- a/spec/lib/gitlab/ci/config/node/variables_spec.rb
+++ b/spec/lib/gitlab/ci/config/entry/variables_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Gitlab::Ci::Config::Node::Variables do
+describe Gitlab::Ci::Config::Entry::Variables do
   let(:entry) { described_class.new(config) }
 
   describe 'validations' do
diff --git a/spec/lib/gitlab/ci/config/node/configurable_spec.rb b/spec/lib/gitlab/ci/config/node/configurable_spec.rb
deleted file mode 100644
index c468ecf957b..00000000000
--- a/spec/lib/gitlab/ci/config/node/configurable_spec.rb
+++ /dev/null
@@ -1,67 +0,0 @@
-require 'spec_helper'
-
-describe Gitlab::Ci::Config::Node::Configurable do
-  let(:node) { Class.new }
-
-  before do
-    node.include(described_class)
-  end
-
-  describe 'validations' do
-    let(:validator) { node.validator.new(instance) }
-
-    before do
-      node.class_eval do
-        attr_reader :config
-
-        def initialize(config)
-          @config = config
-        end
-      end
-
-      validator.validate
-    end
-
-    context 'when node validator is invalid' do
-      let(:instance) { node.new('ls') }
-
-      it 'returns invalid validator' do
-        expect(validator).to be_invalid
-      end
-    end
-
-    context 'when node instance is valid' do
-      let(:instance) { node.new(key: 'value') }
-
-      it 'returns valid validator' do
-        expect(validator).to be_valid
-      end
-    end
-  end
-
-  describe 'configured nodes' do
-    before do
-      node.class_eval do
-        node :object, Object, description: 'test object'
-      end
-    end
-
-    describe '.nodes' do
-      it 'has valid nodes' do
-        expect(node.nodes).to include :object
-      end
-
-      it 'creates a node factory' do
-        expect(node.nodes[:object])
-          .to be_an_instance_of Gitlab::Ci::Config::Node::Factory
-      end
-
-      it 'returns a duplicated factory object' do
-        first_factory = node.nodes[:object]
-        second_factory = node.nodes[:object]
-
-        expect(first_factory).not_to be_equal(second_factory)
-      end
-    end
-  end
-end
diff --git a/spec/lib/gitlab/diff/file_spec.rb b/spec/lib/gitlab/diff/file_spec.rb
index 0650cb291e5..38475792d93 100644
--- a/spec/lib/gitlab/diff/file_spec.rb
+++ b/spec/lib/gitlab/diff/file_spec.rb
@@ -46,4 +46,28 @@ describe Gitlab::Diff::File, lib: true do
       expect(diff_file.collapsed?).to eq(false)
     end
   end
+
+  describe '#old_content_commit' do
+    it 'returns base commit' do
+      old_content_commit = diff_file.old_content_commit
+
+      expect(old_content_commit.id).to eq('6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9')
+    end
+  end
+
+  describe '#old_blob' do
+    it 'returns blob of commit of base commit' do
+      old_data = diff_file.old_blob.data
+
+      expect(old_data).to include('raise "System commands must be given as an array of strings"')
+    end
+  end
+
+  describe '#blob' do
+    it 'returns blob of new commit' do
+      data = diff_file.blob.data
+
+      expect(data).to include('raise RuntimeError, "System commands must be given as an array of strings"')
+    end
+  end
 end
diff --git a/spec/lib/gitlab/ldap/config_spec.rb b/spec/lib/gitlab/ldap/config_spec.rb
index f5ebe703083..1a6803e01c3 100644
--- a/spec/lib/gitlab/ldap/config_spec.rb
+++ b/spec/lib/gitlab/ldap/config_spec.rb
@@ -19,6 +19,87 @@ describe Gitlab::LDAP::Config, lib: true do
     end
   end
 
+  describe '#adapter_options' do
+    it 'constructs basic options' do
+      stub_ldap_config(
+        options: {
+          'host'    => 'ldap.example.com',
+          'port'    => 386,
+          'method'  => 'plain'
+        }
+      )
+
+      expect(config.adapter_options).to eq(
+        host: 'ldap.example.com',
+        port: 386,
+        encryption: nil
+      )
+    end
+
+    it 'includes authentication options when auth is configured' do
+      stub_ldap_config(
+        options: {
+          'host'      => 'ldap.example.com',
+          'port'      => 686,
+          'method'    => 'ssl',
+          'bind_dn'   => 'uid=admin,dc=example,dc=com',
+          'password'  => 'super_secret'
+        }
+      )
+
+      expect(config.adapter_options).to eq(
+        host: 'ldap.example.com',
+        port: 686,
+        encryption: :simple_tls,
+        auth: {
+          method: :simple,
+          username: 'uid=admin,dc=example,dc=com',
+          password: 'super_secret'
+        }
+      )
+    end
+  end
+
+  describe '#omniauth_options' do
+    it 'constructs basic options' do
+      stub_ldap_config(
+        options: {
+          'host'    => 'ldap.example.com',
+          'port'    => 386,
+          'base'    => 'ou=users,dc=example,dc=com',
+          'method'  => 'plain',
+          'uid'     => 'uid'
+        }
+      )
+
+      expect(config.omniauth_options).to include(
+        host: 'ldap.example.com',
+        port: 386,
+        base: 'ou=users,dc=example,dc=com',
+        method: 'plain',
+        filter: '(uid=%{username})'
+      )
+      expect(config.omniauth_options.keys).not_to include(:bind_dn, :password)
+    end
+
+    it 'includes authentication options when auth is configured' do
+      stub_ldap_config(
+        options: {
+          'uid'         => 'sAMAccountName',
+          'user_filter' => '(memberOf=cn=group1,ou=groups,dc=example,dc=com)',
+          'bind_dn'     => 'uid=admin,dc=example,dc=com',
+          'password'    => 'super_secret'
+        }
+      )
+
+      expect(config.omniauth_options).to include(
+        filter: '(&(sAMAccountName=%{username})(memberOf=cn=group1,ou=groups,dc=example,dc=com))',
+        bind_dn: 'uid=admin,dc=example,dc=com',
+        password: 'super_secret'
+      )
+    end
+  end
+
   describe '#has_auth?' do
     it 'is true when password is set' do
       stub_ldap_config(
diff --git a/spec/lib/gitlab/o_auth/user_spec.rb b/spec/lib/gitlab/o_auth/user_spec.rb
index 78c669e8fa5..fc9e1cb430a 100644
--- a/spec/lib/gitlab/o_auth/user_spec.rb
+++ b/spec/lib/gitlab/o_auth/user_spec.rb
@@ -137,11 +137,12 @@ describe Gitlab::OAuth::User, lib: true do
               allow(ldap_user).to receive(:username) { uid }
               allow(ldap_user).to receive(:email) { ['johndoe@example.com', 'john2@example.com'] }
               allow(ldap_user).to receive(:dn) { 'uid=user1,ou=People,dc=example' }
-              allow(Gitlab::LDAP::Person).to receive(:find_by_uid).and_return(ldap_user)
             end
 
             context "and no account for the LDAP user" do
               it "creates a user with dual LDAP and omniauth identities" do
+                allow(Gitlab::LDAP::Person).to receive(:find_by_uid).and_return(ldap_user)
+
                 oauth_user.save
 
                 expect(gl_user).to be_valid
@@ -159,6 +160,8 @@ describe Gitlab::OAuth::User, lib: true do
             context "and LDAP user has an account already" do
               let!(:existing_user) { create(:omniauth_user, email: 'john@example.com', extern_uid: 'uid=user1,ou=People,dc=example', provider: 'ldapmain', username: 'john') }
               it "adds the omniauth identity to the LDAP account" do
+                allow(Gitlab::LDAP::Person).to receive(:find_by_uid).and_return(ldap_user)
+
                 oauth_user.save
 
                 expect(gl_user).to be_valid
@@ -172,6 +175,24 @@ describe Gitlab::OAuth::User, lib: true do
                   ])
               end
             end
+
+            context 'when an LDAP person is not found by uid' do
+              it 'tries to find an LDAP person by DN and adds the omniauth identity to the user' do
+                allow(Gitlab::LDAP::Person).to receive(:find_by_uid).and_return(nil)
+                allow(Gitlab::LDAP::Person).to receive(:find_by_dn).and_return(ldap_user)
+
+                oauth_user.save
+
+                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: 'twitter', extern_uid: uid }
+                    ]
+                  )
+              end
+            end
           end
 
           context "and no corresponding LDAP person" do
diff --git a/spec/lib/gitlab/sidekiq_throttler_spec.rb b/spec/lib/gitlab/sidekiq_throttler_spec.rb
new file mode 100644
index 00000000000..ff32e0e699d
--- /dev/null
+++ b/spec/lib/gitlab/sidekiq_throttler_spec.rb
@@ -0,0 +1,28 @@
+require 'spec_helper'
+
+describe Gitlab::SidekiqThrottler do
+  before do
+    Sidekiq.options[:concurrency] = 35
+
+    stub_application_setting(
+      sidekiq_throttling_enabled: true,
+      sidekiq_throttling_factor: 0.1,
+      sidekiq_throttling_queues: %w[build project_cache]
+    )
+  end
+
+  describe '#execute!' do
+    it 'sets limits on the selected queues' do
+      Gitlab::SidekiqThrottler.execute!
+
+      expect(Sidekiq::Queue['build'].limit).to eq 4
+      expect(Sidekiq::Queue['project_cache'].limit).to eq 4
+    end
+
+    it 'does not set limits on other queues' do
+      Gitlab::SidekiqThrottler.execute!
+
+      expect(Sidekiq::Queue['merge'].limit).to be_nil
+    end
+  end
+end
diff --git a/spec/models/repository_spec.rb b/spec/models/repository_spec.rb
index 12989d4db53..fe26b4ac18c 100644
--- a/spec/models/repository_spec.rb
+++ b/spec/models/repository_spec.rb
@@ -113,6 +113,26 @@ describe Repository, models: true do
     end
   end
 
+  describe '#ref_exists?' do
+    context 'when ref exists' do
+      it 'returns true' do
+        expect(repository.ref_exists?('refs/heads/master')).to be true
+      end
+    end
+
+    context 'when ref does not exist' do
+      it 'returns false' do
+        expect(repository.ref_exists?('refs/heads/non-existent')).to be false
+      end
+    end
+
+    context 'when ref format is incorrect' do
+      it 'returns false' do
+        expect(repository.ref_exists?('refs/heads/invalid:master')).to be false
+      end
+    end
+  end
+
   describe '#last_commit_for_path' do
     subject { repository.last_commit_for_path(sample_commit.id, '.gitignore').id }
 
@@ -197,6 +217,35 @@ describe Repository, models: true do
     end
   end
 
+  describe '#commit' do
+    context 'when ref exists' do
+      it 'returns commit object' do
+        expect(repository.commit('master'))
+          .to be_an_instance_of Commit
+      end
+    end
+
+    context 'when ref does not exist' do
+      it 'returns nil' do
+        expect(repository.commit('non-existent-ref')).to be_nil
+      end
+    end
+
+    context 'when ref is not valid' do
+      context 'when preceding tree element exists' do
+        it 'returns nil' do
+          expect(repository.commit('master:ref')).to be_nil
+        end
+      end
+
+      context 'when preceding tree element does not exist' do
+        it 'returns nil' do
+          expect(repository.commit('non-existent:ref')).to be_nil
+        end
+      end
+    end
+  end
+
   describe "#commit_dir" do
     it "commits a change that creates a new directory" do
       expect do
diff --git a/spec/requests/api/branches_spec.rb b/spec/requests/api/branches_spec.rb
index 1711096f4bd..8f605757186 100644
--- a/spec/requests/api/branches_spec.rb
+++ b/spec/requests/api/branches_spec.rb
@@ -299,4 +299,20 @@ describe API::API, api: true  do
       expect(json_response['message']).to eq('Cannot remove HEAD branch')
     end
   end
+
+  describe "DELETE /projects/:id/repository/merged_branches" do
+    before do
+      allow_any_instance_of(Repository).to receive(:rm_branch).and_return(true)
+    end
+
+    it 'returns 200' do
+      delete api("/projects/#{project.id}/repository/merged_branches", user)
+      expect(response).to have_http_status(200)
+    end
+
+    it 'returns a 403 error if guest' do
+      delete api("/projects/#{project.id}/repository/merged_branches", user2)
+      expect(response).to have_http_status(403)
+    end
+  end
 end
diff --git a/spec/requests/api/groups_spec.rb b/spec/requests/api/groups_spec.rb
index b29a13b1d8b..d79b204a24e 100644
--- a/spec/requests/api/groups_spec.rb
+++ b/spec/requests/api/groups_spec.rb
@@ -167,7 +167,7 @@ describe API::API, api: true  do
       end
 
       it 'returns 404 for a non existing group' do
-        put api('/groups/1328', user1)
+        put api('/groups/1328', user1), name: new_group_name
 
         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 bae4fa11ec2..7b3d1460c90 100644
--- a/spec/requests/api/merge_requests_spec.rb
+++ b/spec/requests/api/merge_requests_spec.rb
@@ -494,12 +494,6 @@ describe API::API, api: true  do
       expect(json_response['milestone']['id']).to eq(milestone.id)
     end
 
-    it "returns 400 when source_branch is specified" do
-      put api("/projects/#{project.id}/merge_requests/#{merge_request.id}", user),
-      source_branch: "master", target_branch: "master"
-      expect(response).to have_http_status(400)
-    end
-
     it "returns merge_request with renamed target_branch" do
       put api("/projects/#{project.id}/merge_requests/#{merge_request.id}", user), target_branch: "wiki"
       expect(response).to have_http_status(200)
diff --git a/spec/requests/api/projects_spec.rb b/spec/requests/api/projects_spec.rb
index d6e9fd2c4b2..f020d471422 100644
--- a/spec/requests/api/projects_spec.rb
+++ b/spec/requests/api/projects_spec.rb
@@ -360,6 +360,14 @@ describe API::API, api: true  do
       expect(json_response['only_allow_merge_if_all_discussions_are_resolved']).to be_falsey
     end
 
+    it 'sets a project as allowing merge if only_allow_merge_if_all_discussions_are_resolved is nil' do
+      project = attributes_for(:project, only_allow_merge_if_all_discussions_are_resolved: nil)
+
+      post api('/projects', user), project
+
+      expect(json_response['only_allow_merge_if_all_discussions_are_resolved']).to be_falsey
+    end
+
     it 'sets a project as allowing merge only if all discussions are resolved' do
       project = attributes_for(:project, { only_allow_merge_if_all_discussions_are_resolved: true })
 
diff --git a/spec/requests/api/repositories_spec.rb b/spec/requests/api/repositories_spec.rb
index c4dc2d9006a..38c8ad34f9d 100644
--- a/spec/requests/api/repositories_spec.rb
+++ b/spec/requests/api/repositories_spec.rb
@@ -18,6 +18,7 @@ describe API::API, api: true  do
 
       it "returns project commits" do
         get api("/projects/#{project.id}/repository/tree", user)
+
         expect(response).to have_http_status(200)
 
         expect(json_response).to be_an Array
@@ -43,6 +44,40 @@ describe API::API, api: true  do
     end
   end
 
+  
+  describe 'GET /projects/:id/repository/tree?recursive=1' do
+    context 'authorized user' do
+      before { project.team << [user2, :reporter] }
+
+      it 'should return recursive project paths tree' do
+        get api("/projects/#{project.id}/repository/tree?recursive=1", user)
+
+        expect(response.status).to eq(200)
+
+        expect(json_response).to be_an Array
+        expect(json_response[4]['name']).to eq('html')
+        expect(json_response[4]['path']).to eq('files/html')
+        expect(json_response[4]['type']).to eq('tree')
+        expect(json_response[4]['mode']).to eq('040000')
+      end
+
+      it 'returns a 404 for unknown ref' do
+        get api("/projects/#{project.id}/repository/tree?ref_name=foo&recursive=1", user)
+        expect(response).to have_http_status(404)
+
+        expect(json_response).to be_an Object
+        json_response['message'] == '404 Tree Not Found'
+      end      
+    end
+
+    context "unauthorized user" do
+      it "does not return project commits" do
+        get api("/projects/#{project.id}/repository/tree?recursive=1")
+        expect(response).to have_http_status(401)
+      end
+    end
+  end
+
   describe "GET /projects/:id/repository/blobs/:sha" do
     it "gets the raw file contents" do
       get api("/projects/#{project.id}/repository/blobs/master?filepath=README.md", user)
diff --git a/spec/requests/api/triggers_spec.rb b/spec/requests/api/triggers_spec.rb
index 82bba1ce8a4..c890a51ae42 100644
--- a/spec/requests/api/triggers_spec.rb
+++ b/spec/requests/api/triggers_spec.rb
@@ -54,6 +54,13 @@ describe API::API do
         expect(pipeline.builds.size).to eq(5)
       end
 
+      it 'creates builds on webhook from other gitlab repository and branch' do
+        expect do
+          post api("/projects/#{project.id}/ref/master/trigger/builds?token=#{trigger_token}"), { ref: 'refs/heads/other-branch' }
+        end.to change(project.builds, :count).by(5)
+        expect(response).to have_http_status(201)
+      end
+
       it 'returns bad request with no builds created if there\'s no commit for that ref' do
         post api("/projects/#{project.id}/trigger/builds"), options.merge(ref: 'other-branch')
         expect(response).to have_http_status(400)
@@ -68,7 +75,7 @@ describe API::API do
         it 'validates variables to be a hash' do
           post api("/projects/#{project.id}/trigger/builds"), options.merge(variables: 'value', ref: 'master')
           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/services/delete_merged_branches_service_spec.rb b/spec/services/delete_merged_branches_service_spec.rb
new file mode 100644
index 00000000000..181488e89c7
--- /dev/null
+++ b/spec/services/delete_merged_branches_service_spec.rb
@@ -0,0 +1,54 @@
+require 'spec_helper'
+
+describe DeleteMergedBranchesService, services: true do
+  subject(:service) { described_class.new(project, project.owner) }
+
+  let(:project) { create(:project) }
+
+  context '#execute' do
+    context 'unprotected branches' do
+      before do
+        service.execute
+      end
+
+      it 'deletes a branch that was merged' do
+        expect(project.repository.branch_names).not_to include('improve/awesome')
+      end
+
+      it 'keeps branch that is unmerged' do
+        expect(project.repository.branch_names).to include('feature')
+      end
+
+      it 'keeps "master"' do
+        expect(project.repository.branch_names).to include('master')
+      end
+    end
+
+    context 'protected branches' do
+      before do
+        create(:protected_branch, name: 'improve/awesome', project: project)
+        service.execute
+      end
+
+      it 'keeps protected branch' do
+        expect(project.repository.branch_names).to include('improve/awesome')
+      end
+    end
+
+    context 'user without rights' do
+      let(:user) { create(:user) }
+
+      it 'cannot execute' do
+        expect { described_class.new(project, user).execute }.to raise_error(Gitlab::Access::AccessDeniedError)
+      end
+    end
+  end
+
+  context '#async_execute' do
+    it 'calls DeleteMergedBranchesWorker async' do
+      expect(DeleteMergedBranchesWorker).to receive(:perform_async)
+
+      service.async_execute
+    end
+  end
+end
diff --git a/spec/services/notes/create_service_spec.rb b/spec/services/notes/create_service_spec.rb
index 93885c84dc3..25804696d2e 100644
--- a/spec/services/notes/create_service_spec.rb
+++ b/spec/services/notes/create_service_spec.rb
@@ -14,12 +14,41 @@ describe Notes::CreateService, services: true do
     end
 
     context "valid params" do
-      before do
-        @note = Notes::CreateService.new(project, user, opts).execute
+      it 'returns a valid note' do
+        note = Notes::CreateService.new(project, user, opts).execute
+
+        expect(note).to be_valid
+      end
+
+      it 'returns a persisted note' do
+        note = Notes::CreateService.new(project, user, opts).execute
+
+        expect(note).to be_persisted
+      end
+
+      it 'note has valid content' do
+        note = Notes::CreateService.new(project, user, opts).execute
+
+        expect(note.note).to eq(opts[:note])
       end
 
-      it { expect(@note).to be_valid }
-      it { expect(@note.note).to eq(opts[:note]) }
+      it 'TodoService#new_note is called' do
+        note = build(:note)
+        allow(project).to receive_message_chain(:notes, :new).with(opts) { note }
+
+        expect_any_instance_of(TodoService).to receive(:new_note).with(note, user)
+
+        Notes::CreateService.new(project, user, opts).execute
+      end
+
+      it 'enqueues NewNoteWorker' do
+        note = build(:note, id: 999)
+        allow(project).to receive_message_chain(:notes, :new).with(opts) { note }
+
+        expect(NewNoteWorker).to receive(:perform_async).with(note.id)
+
+        Notes::CreateService.new(project, user, opts).execute
+      end
     end
 
     describe 'note with commands' do
diff --git a/spec/support/test_env.rb b/spec/support/test_env.rb
index 778e665500d..4cf81be3adc 100644
--- a/spec/support/test_env.rb
+++ b/spec/support/test_env.rb
@@ -23,6 +23,7 @@ module TestEnv
     'binary-encoding'                    => '7b1cf43',
     'gitattributes'                      => '5a62481',
     'expand-collapse-diffs'              => '4842455',
+    'symlink-expand-diff'                => '81e6355',
     'expand-collapse-files'              => '025db92',
     'expand-collapse-lines'              => '238e82d',
     'video'                              => '8879059',
@@ -34,6 +35,7 @@ module TestEnv
     'conflict-missing-side'              => 'eb227b3',
     'conflict-non-utf8'                  => 'd0a293c',
     'conflict-too-large'                 => '39fa04f',
+    'deleted-image-test'                 => '6c17798'
   }
 
   # gitlab-test-fork is a fork of gitlab-fork, but we don't necessarily
diff --git a/spec/views/projects/builds/_build.html.haml_spec.rb b/spec/views/projects/builds/_build.html.haml_spec.rb
new file mode 100644
index 00000000000..e141a117731
--- /dev/null
+++ b/spec/views/projects/builds/_build.html.haml_spec.rb
@@ -0,0 +1,28 @@
+require 'spec_helper'
+
+describe 'projects/ci/builds/_build' do
+  include Devise::Test::ControllerHelpers
+
+  let(:project) { create(:project) }
+  let(:pipeline) { create(:ci_empty_pipeline, id: 1337, project: project, sha: project.commit.id) }
+  let(:build) { create(:ci_build, pipeline: pipeline, stage: 'test', stage_idx: 1, name: 'rspec 0:2', status: :pending) }
+
+  before do
+    controller.prepend_view_path('app/views/projects')
+    allow(view).to receive(:can?).and_return(true)
+  end
+
+  it 'won\'t include a column with a link to its pipeline by default' do
+    render partial: 'projects/ci/builds/build', locals: { build: build }
+
+    expect(rendered).not_to have_link('#1337')
+    expect(rendered).not_to have_text('#1337 by API')
+  end
+
+  it 'can include a column with a link to its pipeline' do
+    render partial: 'projects/ci/builds/build', locals: { build: build, pipeline_link: true }
+
+    expect(rendered).to have_link('#1337')
+    expect(rendered).to have_text('#1337 by API')
+  end
+end
diff --git a/spec/views/projects/builds/_generic_commit_status.html.haml_spec.rb b/spec/views/projects/builds/_generic_commit_status.html.haml_spec.rb
new file mode 100644
index 00000000000..49b20e5b36b
--- /dev/null
+++ b/spec/views/projects/builds/_generic_commit_status.html.haml_spec.rb
@@ -0,0 +1,28 @@
+require 'spec_helper'
+
+describe 'projects/generic_commit_statuses/_generic_commit_status.html.haml' do
+  include Devise::Test::ControllerHelpers
+
+  let(:project) { create(:project) }
+  let(:pipeline) { create(:ci_empty_pipeline, id: 1337, project: project, sha: project.commit.id) }
+  let(:generic_commit_status) { create(:generic_commit_status, pipeline: pipeline, stage: 'external', name: 'jenkins', stage_idx: 3) }
+
+  before do
+    controller.prepend_view_path('app/views/projects')
+    allow(view).to receive(:can?).and_return(true)
+  end
+
+  it 'won\'t include a column with a link to its pipeline by default' do
+    render partial: 'projects/generic_commit_statuses/generic_commit_status', locals: { generic_commit_status: generic_commit_status }
+
+    expect(rendered).not_to have_link('#1337')
+    expect(rendered).not_to have_text('#1337 by API')
+  end
+
+  it 'can include a column with a link to its pipeline' do
+    render partial: 'projects/generic_commit_statuses/generic_commit_status', locals: { generic_commit_status: generic_commit_status, pipeline_link: true }
+
+    expect(rendered).to have_link('#1337')
+    expect(rendered).to have_text('#1337 by API')
+  end
+end
diff --git a/spec/workers/delete_merged_branches_worker_spec.rb b/spec/workers/delete_merged_branches_worker_spec.rb
new file mode 100644
index 00000000000..d9497bd486c
--- /dev/null
+++ b/spec/workers/delete_merged_branches_worker_spec.rb
@@ -0,0 +1,19 @@
+require 'spec_helper'
+
+describe DeleteMergedBranchesWorker do
+  subject(:worker) { described_class.new }
+
+  let(:project) { create(:project) }
+
+  describe "#perform" do
+    it "calls DeleteMergedBranchesService" do
+      expect_any_instance_of(DeleteMergedBranchesService).to receive(:execute).and_return(true)
+
+      worker.perform(project.id, project.owner.id)
+    end
+
+    it "returns false when project was not found" do
+      expect(worker.perform('unknown', project.owner.id)).to be_falsy
+    end
+  end
+end
diff --git a/spec/workers/new_note_worker_spec.rb b/spec/workers/new_note_worker_spec.rb
new file mode 100644
index 00000000000..8fdbb35afd0
--- /dev/null
+++ b/spec/workers/new_note_worker_spec.rb
@@ -0,0 +1,49 @@
+require "spec_helper"
+
+describe NewNoteWorker do
+  context 'when Note found' do
+    let(:note) { create(:note) }
+
+    it "calls NotificationService#new_note" do
+      expect_any_instance_of(NotificationService).to receive(:new_note).with(note)
+
+      described_class.new.perform(note.id)
+    end
+
+    it "calls Notes::PostProcessService#execute" do
+      notes_post_process_service = double(Notes::PostProcessService)
+      allow(Notes::PostProcessService).to receive(:new).with(note) { notes_post_process_service }
+
+      expect(notes_post_process_service).to receive(:execute)
+
+      described_class.new.perform(note.id)
+    end
+  end
+
+  context 'when Note not found' do
+    let(:unexistent_note_id) { 999 }
+
+    it 'logs NewNoteWorker process skipping' do
+      expect(Rails.logger).to receive(:error).
+        with("NewNoteWorker: couldn't find note with ID=999, skipping job")
+
+      described_class.new.perform(unexistent_note_id)
+    end
+
+    it 'does not raise errors' do
+      expect { described_class.new.perform(unexistent_note_id) }.not_to raise_error
+    end
+
+    it "does not call NotificationService#new_note" do
+      expect_any_instance_of(NotificationService).not_to receive(:new_note)
+
+      described_class.new.perform(unexistent_note_id)
+    end
+
+    it "does not call Notes::PostProcessService#execute" do
+      expect_any_instance_of(Notes::PostProcessService).not_to receive(:execute)
+
+      described_class.new.perform(unexistent_note_id)
+    end
+  end
+end