Merge branch 'master' of gitlab.com:gitlab-org/gitlab-ce into 18681-pipelines-merge-request

58 files changed, 1604 insertions, 646 deletions

diff --git a/spec/models/ability_spec.rb b/spec/models/ability_spec.rb
index 1acb5846fcf..853f6943cef 100644
--- a/spec/models/ability_spec.rb
+++ b/spec/models/ability_spec.rb
@@ -1,6 +1,62 @@
 require 'spec_helper'
 
 describe Ability, lib: true do
+  describe '.can_edit_note?' do
+    let(:project) { create(:empty_project) }
+    let!(:note) { create(:note_on_issue, project: project) }
+
+    context 'using an anonymous user' do
+      it 'returns false' do
+        expect(described_class.can_edit_note?(nil, note)).to be_falsy
+      end
+    end
+
+    context 'using a system note' do
+      it 'returns false' do
+        system_note = create(:note, system: true)
+        user = create(:user)
+
+        expect(described_class.can_edit_note?(user, system_note)).to be_falsy
+      end
+    end
+
+    context 'using users with different access levels' do
+      let(:user) { create(:user) }
+
+      it 'returns true for the author' do
+        expect(described_class.can_edit_note?(note.author, note)).to be_truthy
+      end
+
+      it 'returns false for a guest user' do
+        project.team << [user, :guest]
+
+        expect(described_class.can_edit_note?(user, note)).to be_falsy
+      end
+
+      it 'returns false for a developer' do
+        project.team << [user, :developer]
+
+        expect(described_class.can_edit_note?(user, note)).to be_falsy
+      end
+
+      it 'returns true for a master' do
+        project.team << [user, :master]
+
+        expect(described_class.can_edit_note?(user, note)).to be_truthy
+      end
+
+      it 'returns true for a group owner' do
+        group = create(:group)
+        project.project_group_links.create(
+          group: group,
+          group_access: Gitlab::Access::MASTER)
+        group.add_owner(user)
+
+        expect(described_class.can_edit_note?(user, note)).to be_truthy
+      end
+    end
+  end
+
   describe '.users_that_can_read_project' do
     context 'using a public project' do
       it 'returns all the users' do
@@ -114,4 +170,52 @@ describe Ability, lib: true do
       end
     end
   end
+
+  describe '.issues_readable_by_user' do
+    context 'with an admin user' do
+      it 'returns all given issues' do
+        user = build(:user, admin: true)
+        issue = build(:issue)
+
+        expect(described_class.issues_readable_by_user([issue], user)).
+          to eq([issue])
+      end
+    end
+
+    context 'with a regular user' do
+      it 'returns the issues readable by the user' do
+        user = build(:user)
+        issue = build(:issue)
+
+        expect(issue).to receive(:readable_by?).with(user).and_return(true)
+
+        expect(described_class.issues_readable_by_user([issue], user)).
+          to eq([issue])
+      end
+
+      it 'returns an empty Array when no issues are readable' do
+        user = build(:user)
+        issue = build(:issue)
+
+        expect(issue).to receive(:readable_by?).with(user).and_return(false)
+
+        expect(described_class.issues_readable_by_user([issue], user)).to eq([])
+      end
+    end
+
+    context 'without a regular user' do
+      it 'returns issues that are publicly visible' do
+        hidden_issue = build(:issue)
+        visible_issue = build(:issue)
+
+        expect(hidden_issue).to receive(:publicly_visible?).and_return(false)
+        expect(visible_issue).to receive(:publicly_visible?).and_return(true)
+
+        issues = described_class.
+          issues_readable_by_user([hidden_issue, visible_issue])
+
+        expect(issues).to eq([visible_issue])
+      end
+    end
+  end
 end
diff --git a/spec/models/application_setting_spec.rb b/spec/models/application_setting_spec.rb
index fb040ba82bc..cc215d252f9 100644
--- a/spec/models/application_setting_spec.rb
+++ b/spec/models/application_setting_spec.rb
@@ -53,59 +53,59 @@ describe ApplicationSetting, models: true do
   end
 
   context 'restricted signup domains' do
-    it 'set single domain' do
+    it 'sets single domain' do
       setting.domain_whitelist_raw = 'example.com'
       expect(setting.domain_whitelist).to eq(['example.com'])
     end
 
-    it 'set multiple domains with spaces' do
+    it 'sets multiple domains with spaces' do
       setting.domain_whitelist_raw = 'example.com *.example.com'
       expect(setting.domain_whitelist).to eq(['example.com', '*.example.com'])
     end
 
-    it 'set multiple domains with newlines and a space' do
+    it 'sets multiple domains with newlines and a space' do
       setting.domain_whitelist_raw = "example.com\n *.example.com"
       expect(setting.domain_whitelist).to eq(['example.com', '*.example.com'])
     end
 
-    it 'set multiple domains with commas' do
+    it 'sets multiple domains with commas' do
       setting.domain_whitelist_raw = "example.com, *.example.com"
       expect(setting.domain_whitelist).to eq(['example.com', '*.example.com'])
     end
   end
 
   context 'blacklisted signup domains' do
-    it 'set single domain' do
+    it 'sets single domain' do
       setting.domain_blacklist_raw = 'example.com'
       expect(setting.domain_blacklist).to contain_exactly('example.com')
     end
 
-    it 'set multiple domains with spaces' do
+    it 'sets multiple domains with spaces' do
       setting.domain_blacklist_raw = 'example.com *.example.com'
       expect(setting.domain_blacklist).to contain_exactly('example.com', '*.example.com')
     end
 
-    it 'set multiple domains with newlines and a space' do
+    it 'sets multiple domains with newlines and a space' do
       setting.domain_blacklist_raw = "example.com\n *.example.com"
       expect(setting.domain_blacklist).to contain_exactly('example.com', '*.example.com')
     end
 
-    it 'set multiple domains with commas' do
+    it 'sets multiple domains with commas' do
       setting.domain_blacklist_raw = "example.com, *.example.com"
       expect(setting.domain_blacklist).to contain_exactly('example.com', '*.example.com')
     end
 
-    it 'set multiple domains with semicolon' do
+    it 'sets multiple domains with semicolon' do
       setting.domain_blacklist_raw = "example.com; *.example.com"
       expect(setting.domain_blacklist).to contain_exactly('example.com', '*.example.com')
     end
 
-    it 'set multiple domains with mixture of everything' do
+    it 'sets multiple domains with mixture of everything' do
       setting.domain_blacklist_raw = "example.com; *.example.com\n test.com\sblock.com   yes.com"
       expect(setting.domain_blacklist).to contain_exactly('example.com', '*.example.com', 'test.com', 'block.com', 'yes.com')
     end
 
-    it 'set multiple domain with file' do
+    it 'sets multiple domain with file' do
       setting.domain_blacklist_file = File.open(Rails.root.join('spec/fixtures/', 'domain_blacklist.txt'))
       expect(setting.domain_blacklist).to contain_exactly('example.com', 'test.com', 'foo.bar')
     end
diff --git a/spec/models/blob_spec.rb b/spec/models/blob_spec.rb
index 78e95c8fac5..cee20234e1f 100644
--- a/spec/models/blob_spec.rb
+++ b/spec/models/blob_spec.rb
@@ -33,6 +33,22 @@ describe Blob do
     end
   end
 
+  describe '#video?' do
+    it 'is falsey with image extension' do
+      git_blob = Gitlab::Git::Blob.new(name: 'image.png')
+
+      expect(described_class.decorate(git_blob)).not_to be_video
+    end
+
+    UploaderHelper::VIDEO_EXT.each do |ext|
+      it "is truthy when extension is .#{ext}" do
+        git_blob = Gitlab::Git::Blob.new(name: "video.#{ext}")
+
+        expect(described_class.decorate(git_blob)).to be_video
+      end
+    end
+  end
+
   describe '#to_partial_path' do
     def stubbed_blob(overrides = {})
       overrides.reverse_merge!(
@@ -78,4 +94,26 @@ describe Blob do
       expect(blob.to_partial_path).to eq 'download'
     end
   end
+
+  describe '#size_within_svg_limits?' do
+    let(:blob) { described_class.decorate(double(:blob)) }
+
+    it 'returns true when the blob size is smaller than the SVG limit' do
+      expect(blob).to receive(:size).and_return(42)
+
+      expect(blob.size_within_svg_limits?).to eq(true)
+    end
+
+    it 'returns true when the blob size is equal to the SVG limit' do
+      expect(blob).to receive(:size).and_return(Blob::MAXIMUM_SVG_SIZE)
+
+      expect(blob.size_within_svg_limits?).to eq(true)
+    end
+
+    it 'returns false when the blob size is larger than the SVG limit' do
+      expect(blob).to receive(:size).and_return(1.terabyte)
+
+      expect(blob.size_within_svg_limits?).to eq(false)
+    end
+  end
 end
diff --git a/spec/models/broadcast_message_spec.rb b/spec/models/broadcast_message_spec.rb
index 6ad8bfef4f2..72688137f08 100644
--- a/spec/models/broadcast_message_spec.rb
+++ b/spec/models/broadcast_message_spec.rb
@@ -23,19 +23,19 @@ describe BroadcastMessage, models: true do
   end
 
   describe '.current' do
-    it "should return last message if time match" do
+    it "returns last message if time match" do
       message = create(:broadcast_message)
 
       expect(BroadcastMessage.current).to eq message
     end
 
-    it "should return nil if time not come" do
+    it "returns nil if time not come" do
       create(:broadcast_message, :future)
 
       expect(BroadcastMessage.current).to be_nil
     end
 
-    it "should return nil if time has passed" do
+    it "returns nil if time has passed" do
       create(:broadcast_message, :expired)
 
       expect(BroadcastMessage.current).to be_nil
diff --git a/spec/models/build_spec.rb b/spec/models/build_spec.rb
index 978ad9c52d5..5980f6ddc32 100644
--- a/spec/models/build_spec.rb
+++ b/spec/models/build_spec.rb
@@ -32,7 +32,7 @@ describe Ci::Build, models: true do
     end
     let(:create_from_build) { Ci::Build.create_from build }
 
-    it 'there should be a pending task' do
+    it 'exists a pending task' do
       expect(Ci::Build.pending.count(:all)).to eq 0
       create_from_build
       expect(Ci::Build.pending.count(:all)).to be > 0
@@ -259,7 +259,7 @@ describe Ci::Build, models: true do
       let(:trigger) { create(:ci_trigger, project: project) }
       let(:trigger_request) { create(:ci_trigger_request_with_variables, pipeline: pipeline, trigger: trigger) }
       let(:user_trigger_variable) do
-        { key: :TRIGGER_KEY, value: 'TRIGGER_VALUE', public: false }
+        { key: :TRIGGER_KEY_1, value: 'TRIGGER_VALUE_1', public: false }
       end
       let(:predefined_trigger_variable) do
         { key: 'CI_BUILD_TRIGGERED', value: 'true', public: true }
@@ -573,19 +573,19 @@ describe Ci::Build, models: true do
     let!(:rubocop_test) { create(:ci_build, pipeline: pipeline, name: 'rubocop', stage_idx: 1, stage: 'test') }
     let!(:staging) { create(:ci_build, pipeline: pipeline, name: 'staging', stage_idx: 2, stage: 'deploy') }
 
-    it 'to have no dependents if this is first build' do
+    it 'expects to have no dependents if this is first build' do
       expect(build.depends_on_builds).to be_empty
     end
 
-    it 'to have one dependent if this is test' do
+    it 'expects to have one dependent if this is test' do
       expect(rspec_test.depends_on_builds.map(&:id)).to contain_exactly(build.id)
     end
 
-    it 'to have all builds from build and test stage if this is last' do
+    it 'expects to have all builds from build and test stage if this is last' do
       expect(staging.depends_on_builds.map(&:id)).to contain_exactly(build.id, rspec_test.id, rubocop_test.id)
     end
 
-    it 'to have retried builds instead the original ones' do
+    it 'expects to have retried builds instead the original ones' do
       retried_rspec = Ci::Build.retry(rspec_test)
       expect(staging.depends_on_builds.map(&:id)).to contain_exactly(build.id, retried_rspec.id, rubocop_test.id)
     end
@@ -655,23 +655,23 @@ describe Ci::Build, models: true do
 
   describe 'build erasable' do
     shared_examples 'erasable' do
-      it 'should remove artifact file' do
+      it 'removes artifact file' do
         expect(build.artifacts_file.exists?).to be_falsy
       end
 
-      it 'should remove artifact metadata file' do
+      it 'removes artifact metadata file' do
         expect(build.artifacts_metadata.exists?).to be_falsy
       end
 
-      it 'should erase build trace in trace file' do
+      it 'erases build trace in trace file' do
         expect(build.trace).to be_empty
       end
 
-      it 'should set erased to true' do
+      it 'sets erased to true' do
         expect(build.erased?).to be true
       end
 
-      it 'should set erase date' do
+      it 'sets erase date' do
         expect(build.erased_at).not_to be_falsy
       end
     end
@@ -704,7 +704,7 @@ describe Ci::Build, models: true do
 
           include_examples 'erasable'
 
-          it 'should record user who erased a build' do
+          it 'records user who erased a build' do
             expect(build.erased_by).to eq user
           end
         end
@@ -714,7 +714,7 @@ describe Ci::Build, models: true do
 
           include_examples 'erasable'
 
-          it 'should not set user who erased a build' do
+          it 'does not set user who erased a build' do
             expect(build.erased_by).to be_nil
           end
         end
@@ -750,7 +750,7 @@ describe Ci::Build, models: true do
         end
 
         describe '#erase' do
-          it 'should not raise error' do
+          it 'does not raise error' do
             expect { build.erase }.not_to raise_error
           end
         end
@@ -764,6 +764,53 @@ describe Ci::Build, models: true do
     end
   end
 
+  describe '#when' do
+    subject { build.when }
+
+    context 'if is undefined' do
+      before do
+        build.when = nil
+      end
+
+      context 'use from gitlab-ci.yml' do
+        before do
+          stub_ci_pipeline_yaml_file(config)
+        end
+
+        context 'if config is not found' do
+          let(:config) { nil }
+
+          it { is_expected.to eq('on_success') }
+        end
+
+        context 'if config does not have a questioned job' do
+          let(:config) do
+            YAML.dump({
+                        test_other: {
+                          script: 'Hello World'
+                        }
+                      })
+          end
+
+          it { is_expected.to eq('on_success') }
+        end
+
+        context 'if config has when' do
+          let(:config) do
+            YAML.dump({
+                        test: {
+                          script: 'Hello World',
+                          when: 'always'
+                        }
+                      })
+          end
+
+          it { is_expected.to eq('always') }
+        end
+      end
+    end
+  end
+
   describe '#retryable?' do
     context 'when build is running' do
       before do
@@ -839,8 +886,10 @@ describe Ci::Build, models: true do
       is_expected.to eq(build)
     end
 
-    context 'for success build' do
-      before { build.queue }
+    context 'for successful build' do
+      before do
+        build.update(status: 'success')
+      end
 
       it 'creates a new build' do
         is_expected.to be_pending
@@ -900,7 +949,7 @@ describe Ci::Build, models: true do
     context 'when build is running' do
       before { build.run! }
 
-      it 'should return false' do
+      it 'returns false' do
         expect(build.retryable?).to be false
       end
     end
@@ -908,7 +957,7 @@ describe Ci::Build, models: true do
     context 'when build is finished' do
       before { build.success! }
 
-      it 'should return true' do
+      it 'returns true' do
         expect(build.retryable?).to be true
       end
     end
diff --git a/spec/models/ci/pipeline_spec.rb b/spec/models/ci/pipeline_spec.rb
index 0d4c86955ce..950833cb219 100644
--- a/spec/models/ci/pipeline_spec.rb
+++ b/spec/models/ci/pipeline_spec.rb
@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe Ci::Pipeline, models: true do
   let(:project) { FactoryGirl.create :empty_project }
-  let(:pipeline) { FactoryGirl.create :ci_pipeline, project: project }
+  let(:pipeline) { FactoryGirl.create :ci_empty_pipeline, project: project }
 
   it { is_expected.to belong_to(:project) }
   it { is_expected.to belong_to(:user) }
@@ -38,9 +38,6 @@ describe Ci::Pipeline, models: true do
     it { expect(pipeline.sha).to start_with(subject) }
   end
 
-  describe '#create_next_builds' do
-  end
-
   describe '#retried' do
     subject { pipeline.retried }
 
@@ -54,312 +51,9 @@ describe Ci::Pipeline, models: true do
     end
   end
 
-  describe '#create_builds' do
-    let!(:pipeline) { FactoryGirl.create :ci_pipeline, project: project, ref: 'master', tag: false }
-
-    def create_builds(trigger_request = nil)
-      pipeline.create_builds(nil, trigger_request)
-    end
-
-    def create_next_builds
-      pipeline.create_next_builds(pipeline.builds.order(:id).last)
-    end
-
-    it 'creates builds' do
-      expect(create_builds).to be_truthy
-      pipeline.builds.update_all(status: "success")
-      expect(pipeline.builds.count(:all)).to eq(2)
-
-      expect(create_next_builds).to be_truthy
-      pipeline.builds.update_all(status: "success")
-      expect(pipeline.builds.count(:all)).to eq(4)
-
-      expect(create_next_builds).to be_truthy
-      pipeline.builds.update_all(status: "success")
-      expect(pipeline.builds.count(:all)).to eq(5)
-
-      expect(create_next_builds).to be_falsey
-    end
-
-    context 'custom stage with first job allowed to fail' do
-      let(:yaml) do
-        {
-          stages: ['clean', 'test'],
-          clean_job: {
-            stage: 'clean',
-            allow_failure: true,
-            script: 'BUILD',
-          },
-          test_job: {
-            stage: 'test',
-            script: 'TEST',
-          },
-        }
-      end
-
-      before do
-        stub_ci_pipeline_yaml_file(YAML.dump(yaml))
-        create_builds
-      end
-
-      it 'properly schedules builds' do
-        expect(pipeline.builds.pluck(:status)).to contain_exactly('pending')
-        pipeline.builds.running_or_pending.each(&:drop)
-        expect(pipeline.builds.pluck(:status)).to contain_exactly('pending', 'failed')
-      end
-    end
-
-    context 'properly creates builds when "when" is defined' do
-      let(:yaml) do
-        {
-          stages: ["build", "test", "test_failure", "deploy", "cleanup"],
-          build: {
-            stage: "build",
-            script: "BUILD",
-          },
-          test: {
-            stage: "test",
-            script: "TEST",
-          },
-          test_failure: {
-            stage: "test_failure",
-            script: "ON test failure",
-            when: "on_failure",
-          },
-          deploy: {
-            stage: "deploy",
-            script: "PUBLISH",
-          },
-          cleanup: {
-            stage: "cleanup",
-            script: "TIDY UP",
-            when: "always",
-          }
-        }
-      end
-
-      before do
-        stub_ci_pipeline_yaml_file(YAML.dump(yaml))
-      end
-
-      context 'when builds are successful' do
-        it 'properly creates builds' do
-          expect(create_builds).to be_truthy
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test', 'deploy')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'success', 'pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test', 'deploy', 'cleanup')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'success', 'success', 'pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'success', 'success', 'success')
-          pipeline.reload
-          expect(pipeline.status).to eq('success')
-        end
-      end
-
-      context 'when test job fails' do
-        it 'properly creates builds' do
-          expect(create_builds).to be_truthy
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'pending')
-          pipeline.builds.running_or_pending.each(&:drop)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test', 'test_failure')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'failed', 'pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test', 'test_failure', 'cleanup')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'failed', 'success', 'pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'failed', 'success', 'success')
-          pipeline.reload
-          expect(pipeline.status).to eq('failed')
-        end
-      end
-
-      context 'when test and test_failure jobs fail' do
-        it 'properly creates builds' do
-          expect(create_builds).to be_truthy
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'pending')
-          pipeline.builds.running_or_pending.each(&:drop)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test', 'test_failure')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'failed', 'pending')
-          pipeline.builds.running_or_pending.each(&:drop)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test', 'test_failure', 'cleanup')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'failed', 'failed', 'pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test', 'test_failure', 'cleanup')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'failed', 'failed', 'success')
-          pipeline.reload
-          expect(pipeline.status).to eq('failed')
-        end
-      end
-
-      context 'when deploy job fails' do
-        it 'properly creates builds' do
-          expect(create_builds).to be_truthy
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test', 'deploy')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'success', 'pending')
-          pipeline.builds.running_or_pending.each(&:drop)
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test', 'deploy', 'cleanup')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'success', 'failed', 'pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'success', 'failed', 'success')
-          pipeline.reload
-          expect(pipeline.status).to eq('failed')
-        end
-      end
-
-      context 'when build is canceled in the second stage' do
-        it 'does not schedule builds after build has been canceled' do
-          expect(create_builds).to be_truthy
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('pending')
-          pipeline.builds.running_or_pending.each(&:success)
-
-          expect(pipeline.builds.running_or_pending).not_to be_empty
-
-          expect(pipeline.builds.pluck(:name)).to contain_exactly('build', 'test')
-          expect(pipeline.builds.pluck(:status)).to contain_exactly('success', 'pending')
-          pipeline.builds.running_or_pending.each(&:cancel)
-
-          expect(pipeline.builds.running_or_pending).to be_empty
-          expect(pipeline.reload.status).to eq('canceled')
-        end
-      end
-
-      context 'when listing manual actions' do
-        let(:yaml) do
-          {
-            stages: ["build", "test", "staging", "production", "cleanup"],
-            build: {
-              stage: "build",
-              script: "BUILD",
-            },
-            test: {
-              stage: "test",
-              script: "TEST",
-            },
-            staging: {
-              stage: "staging",
-              script: "PUBLISH",
-            },
-            production: {
-              stage: "production",
-              script: "PUBLISH",
-              when: "manual",
-            },
-            cleanup: {
-              stage: "cleanup",
-              script: "TIDY UP",
-              when: "always",
-            },
-            clear_cache: {
-              stage: "cleanup",
-              script: "CLEAR CACHE",
-              when: "manual",
-            }
-          }
-        end
-
-        it 'returns only for skipped builds' do
-          # currently all builds are created
-          expect(create_builds).to be_truthy
-          expect(manual_actions).to be_empty
-
-          # succeed stage build
-          pipeline.builds.running_or_pending.each(&:success)
-          expect(manual_actions).to be_empty
-
-          # succeed stage test
-          pipeline.builds.running_or_pending.each(&:success)
-          expect(manual_actions).to be_empty
-
-          # succeed stage staging and skip stage production
-          pipeline.builds.running_or_pending.each(&:success)
-          expect(manual_actions).to be_many # production and clear cache
-
-          # succeed stage cleanup
-          pipeline.builds.running_or_pending.each(&:success)
-
-          # after processing a pipeline we should have 6 builds, 5 succeeded
-          expect(pipeline.builds.count).to eq(6)
-          expect(pipeline.builds.success.count).to eq(4)
-        end
-
-        def manual_actions
-          pipeline.manual_actions
-        end
-      end
-    end
-
-    context 'when no builds created' do
-      let(:pipeline) { build(:ci_pipeline) }
-
-      before do
-        stub_ci_pipeline_yaml_file(YAML.dump(before_script: ['ls']))
-      end
-
-      it 'returns false' do
-        expect(pipeline.create_builds(nil)).to be_falsey
-        expect(pipeline).not_to be_persisted
-      end
-    end
-  end
-
-  describe "#finished_at" do
-    let(:pipeline) { FactoryGirl.create :ci_pipeline }
-
-    it "returns finished_at of latest build" do
-      build = FactoryGirl.create :ci_build, pipeline: pipeline, finished_at: Time.now - 60
-      FactoryGirl.create :ci_build, pipeline: pipeline, finished_at: Time.now - 120
-
-      expect(pipeline.finished_at.to_i).to eq(build.finished_at.to_i)
-    end
-
-    it "returns nil if there is no finished build" do
-      FactoryGirl.create :ci_not_started_build, pipeline: pipeline
-
-      expect(pipeline.finished_at).to be_nil
-    end
-  end
-
   describe "coverage" do
     let(:project) { FactoryGirl.create :empty_project, build_coverage_regex: "/.*/" }
-    let(:pipeline) { FactoryGirl.create :ci_pipeline, project: project }
+    let(:pipeline) { FactoryGirl.create :ci_empty_pipeline, project: project }
 
     it "calculates average when there are two builds with coverage" do
       FactoryGirl.create :ci_build, name: "rspec", coverage: 30, pipeline: pipeline
@@ -426,33 +120,47 @@ describe Ci::Pipeline, models: true do
     end
   end
 
-  describe '#update_state' do
-    it 'execute update_state after touching object' do
-      expect(pipeline).to receive(:update_state).and_return(true)
-      pipeline.touch
+  describe 'state machine' do
+    let(:current) { Time.now.change(usec: 0) }
+    let(:build) { create :ci_build, name: 'build1', pipeline: pipeline, started_at: current - 60, finished_at: current }
+    let(:build2) { create :ci_build, name: 'build2', pipeline: pipeline, started_at: current - 60, finished_at: current }
+
+    describe '#duration' do
+      before do
+        build.skip
+        build2.skip
+      end
+
+      it 'matches sum of builds duration' do
+        expect(pipeline.reload.duration).to eq(build.duration + build2.duration)
+      end
     end
 
-    context 'dependent objects' do
-      let(:commit_status) { build :commit_status, pipeline: pipeline }
+    describe '#started_at' do
+      it 'updates on transitioning to running' do
+        build.run
+
+        expect(pipeline.reload.started_at).not_to be_nil
+      end
+
+      it 'does not update on transitioning to success' do
+        build.success
 
-      it 'execute update_state after saving dependent object' do
-        expect(pipeline).to receive(:update_state).and_return(true)
-        commit_status.save
+        expect(pipeline.reload.started_at).to be_nil
       end
     end
 
-    context 'update state' do
-      let(:current) { Time.now.change(usec: 0) }
-      let(:build) { FactoryGirl.create :ci_build, :success, pipeline: pipeline, started_at: current - 120, finished_at: current - 60 }
+    describe '#finished_at' do
+      it 'updates on transitioning to success' do
+        build.success
 
-      before do
-        build
+        expect(pipeline.reload.finished_at).not_to be_nil
       end
 
-      [:status, :started_at, :finished_at, :duration].each do |param|
-        it "update #{param}" do
-          expect(pipeline.send(param)).to eq(build.send(param))
-        end
+      it 'does not update on transitioning to running' do
+        build.run
+
+        expect(pipeline.reload.finished_at).to be_nil
       end
     end
   end
@@ -513,7 +221,7 @@ describe Ci::Pipeline, models: true do
         create :ci_build, :success, pipeline: pipeline, name: 'rspec'
         create :ci_build, :allowed_to_fail, :failed, pipeline: pipeline, name: 'rubocop'
       end
-      
+
       it 'returns true' do
         is_expected.to be_truthy
       end
@@ -524,7 +232,7 @@ describe Ci::Pipeline, models: true do
         create :ci_build, :success, pipeline: pipeline, name: 'rspec'
         create :ci_build, :allowed_to_fail, :success, pipeline: pipeline, name: 'rubocop'
       end
-      
+
       it 'returns false' do
         is_expected.to be_falsey
       end
@@ -542,4 +250,64 @@ describe Ci::Pipeline, models: true do
       end
     end
   end
+
+  describe '#status' do
+    let!(:build) { create(:ci_build, :created, pipeline: pipeline, name: 'test') }
+
+    subject { pipeline.reload.status }
+
+    context 'on queuing' do
+      before do
+        build.enqueue
+      end
+
+      it { is_expected.to eq('pending') }
+    end
+
+    context 'on run' do
+      before do
+        build.enqueue
+        build.run
+      end
+
+      it { is_expected.to eq('running') }
+    end
+
+    context 'on drop' do
+      before do
+        build.drop
+      end
+
+      it { is_expected.to eq('failed') }
+    end
+
+    context 'on success' do
+      before do
+        build.success
+      end
+
+      it { is_expected.to eq('success') }
+    end
+
+    context 'on cancel' do
+      before do
+        build.cancel
+      end
+
+      it { is_expected.to eq('canceled') }
+    end
+
+    context 'on failure and build retry' do
+      before do
+        build.drop
+        Ci::Build.retry(build)
+      end
+
+      # We are changing a state: created > failed > running
+      # Instead of: created > failed > pending
+      # Since the pipeline already run, so it should not be pending anymore
+
+      it { is_expected.to eq('running') }
+    end
+  end
 end
diff --git a/spec/models/ci/trigger_spec.rb b/spec/models/ci/trigger_spec.rb
index 474b0b1621d..3ca9231f58e 100644
--- a/spec/models/ci/trigger_spec.rb
+++ b/spec/models/ci/trigger_spec.rb
@@ -4,12 +4,12 @@ describe Ci::Trigger, models: true do
   let(:project) { FactoryGirl.create :empty_project }
 
   describe 'before_validation' do
-    it 'should set an random token if none provided' do
+    it 'sets an random token if none provided' do
       trigger = FactoryGirl.create :ci_trigger_without_token, project: project
       expect(trigger.token).not_to be_nil
     end
 
-    it 'should not set an random token if one provided' do
+    it 'does not set an random token if one provided' do
       trigger = FactoryGirl.create :ci_trigger, project: project
       expect(trigger.token).to eq('token')
     end
diff --git a/spec/models/commit_spec.rb b/spec/models/commit_spec.rb
index ba02d5fe977..d3e6a6648cc 100644
--- a/spec/models/commit_spec.rb
+++ b/spec/models/commit_spec.rb
@@ -13,6 +13,26 @@ describe Commit, models: true do
     it { is_expected.to include_module(StaticModel) }
   end
 
+  describe '#author' do
+    it 'looks up the author in a case-insensitive way' do
+      user = create(:user, email: commit.author_email.upcase)
+      expect(commit.author).to eq(user)
+    end
+
+    it 'caches the author' do
+      user = create(:user, email: commit.author_email)
+      expect(RequestStore).to receive(:active?).twice.and_return(true)
+      expect_any_instance_of(Commit).to receive(:find_author_by_any_email).and_call_original
+
+      expect(commit.author).to eq(user)
+      key = "commit_author:#{commit.author_email}"
+      expect(RequestStore.store[key]).to eq(user)
+
+      expect(commit.author).to eq(user)
+      RequestStore.store.clear
+    end
+  end
+
   describe '#to_reference' do
     it 'returns a String reference to the object' do
       expect(commit.to_reference).to eq commit.id
@@ -66,6 +86,27 @@ eos
     end
   end
 
+  describe '#full_title' do
+    it "returns no_commit_message when safe_message is blank" do
+      allow(commit).to receive(:safe_message).and_return('')
+      expect(commit.full_title).to eq("--no commit message")
+    end
+
+    it "returns entire message if there is no newline" do
+      message = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec sodales id felis id blandit. Vivamus egestas lacinia lacus, sed rutrum mauris.'
+
+      allow(commit).to receive(:safe_message).and_return(message)
+      expect(commit.full_title).to eq(message)
+    end
+
+    it "returns first line of message if there is a newLine" do
+      message = commit.safe_message.split(" ").first
+
+      allow(commit).to receive(:safe_message).and_return(message + "\n" + message)
+      expect(commit.full_title).to eq(message)
+    end
+  end
+
   describe "delegation" do
     subject { commit }
 
@@ -212,6 +253,7 @@ eos
     it 'returns the URI type at the given path' do
       expect(commit.uri_type('files/html')).to be(:tree)
       expect(commit.uri_type('files/images/logo-black.png')).to be(:raw)
+      expect(project.commit('video').uri_type('files/videos/intro.mp4')).to be(:raw)
       expect(commit.uri_type('files/js/application.js')).to be(:blob)
     end
 
diff --git a/spec/models/commit_status_spec.rb b/spec/models/commit_status_spec.rb
index ff6371ad685..fcfa3138ce5 100644
--- a/spec/models/commit_status_spec.rb
+++ b/spec/models/commit_status_spec.rb
@@ -133,7 +133,7 @@ describe CommitStatus, models: true do
       @commit5 = FactoryGirl.create :commit_status, pipeline: pipeline, name: 'aa', ref: 'bb', status: 'success'
     end
 
-    it 'return unique statuses' do
+    it 'returns unique statuses' do
       is_expected.to eq([@commit4, @commit5])
     end
   end
@@ -149,7 +149,7 @@ describe CommitStatus, models: true do
       @commit5 = FactoryGirl.create :commit_status, pipeline: pipeline, name: 'ee', ref: nil, status: 'canceled'
     end
 
-    it 'return statuses that are running or pending' do
+    it 'returns statuses that are running or pending' do
       is_expected.to eq([@commit1, @commit2])
     end
   end
@@ -160,7 +160,7 @@ describe CommitStatus, models: true do
     context 'when no before_sha is set for pipeline' do
       before { pipeline.before_sha = nil }
 
-      it 'return blank sha' do
+      it 'returns blank sha' do
         is_expected.to eq(Gitlab::Git::BLANK_SHA)
       end
     end
@@ -169,7 +169,7 @@ describe CommitStatus, models: true do
       let(:value) { '1234' }
       before { pipeline.before_sha = value }
 
-      it 'return the set value' do
+      it 'returns the set value' do
         is_expected.to eq(value)
       end
     end
@@ -186,7 +186,7 @@ describe CommitStatus, models: true do
     context 'stages list' do
       subject { CommitStatus.where(pipeline: pipeline).stages }
 
-      it 'return ordered list of stages' do
+      it 'returns ordered list of stages' do
         is_expected.to eq(%w(build test deploy))
       end
     end
@@ -194,7 +194,7 @@ describe CommitStatus, models: true do
     context 'stages with statuses' do
       subject { CommitStatus.where(pipeline: pipeline).latest.stages_status }
 
-      it 'return list of stages with statuses' do
+      it 'returns list of stages with statuses' do
         is_expected.to eq({
           'build' => 'failed',
           'test' => 'success',
diff --git a/spec/models/compare_spec.rb b/spec/models/compare_spec.rb
new file mode 100644
index 00000000000..49ab3c4b6e9
--- /dev/null
+++ b/spec/models/compare_spec.rb
@@ -0,0 +1,77 @@
+require 'spec_helper'
+
+describe Compare, models: true do
+  include RepoHelpers
+
+  let(:project) { create(:project, :public) }
+  let(:commit)  { project.commit }
+
+  let(:start_commit) { sample_image_commit }
+  let(:head_commit) { sample_commit }
+
+  let(:raw_compare) { Gitlab::Git::Compare.new(project.repository.raw_repository, start_commit.id, head_commit.id) }
+
+  subject { described_class.new(raw_compare, project) }
+
+  describe '#start_commit' do
+    it 'returns raw compare base commit' do
+      expect(subject.start_commit.id).to eq(start_commit.id)
+    end
+
+    it 'returns nil if compare base commit is nil' do
+      expect(raw_compare).to receive(:base).and_return(nil)
+
+      expect(subject.start_commit).to eq(nil)
+    end
+  end
+
+  describe '#commit' do
+    it 'returns raw compare head commit' do
+      expect(subject.commit.id).to eq(head_commit.id)
+    end
+
+    it 'returns nil if compare head commit is nil' do
+      expect(raw_compare).to receive(:head).and_return(nil)
+
+      expect(subject.commit).to eq(nil)
+    end
+  end
+
+  describe '#base_commit' do
+    let(:base_commit) { Commit.new(another_sample_commit, project) }
+
+    it 'returns project merge base commit' do
+      expect(project).to receive(:merge_base_commit).with(start_commit.id, head_commit.id).and_return(base_commit)
+
+      expect(subject.base_commit).to eq(base_commit)
+    end
+
+    it 'returns nil if there is no start_commit' do
+      expect(subject).to receive(:start_commit).and_return(nil)
+
+      expect(subject.base_commit).to eq(nil)
+    end
+
+    it 'returns nil if there is no head commit' do
+      expect(subject).to receive(:head_commit).and_return(nil)
+
+      expect(subject.base_commit).to eq(nil)
+    end
+  end
+
+  describe '#diff_refs' do
+    it 'uses base_commit sha as base_sha' do
+      expect(subject).to receive(:base_commit).at_least(:once).and_call_original
+
+      expect(subject.diff_refs.base_sha).to eq(subject.base_commit.id)
+    end
+
+    it 'uses start_commit sha as start_sha' do
+      expect(subject.diff_refs.start_sha).to eq(start_commit.id)
+    end
+
+    it 'uses commit sha as head sha' do
+      expect(subject.diff_refs.head_sha).to eq(head_commit.id)
+    end
+  end
+end
diff --git a/spec/models/concerns/faster_cache_keys_spec.rb b/spec/models/concerns/faster_cache_keys_spec.rb
new file mode 100644
index 00000000000..8d3f94267fa
--- /dev/null
+++ b/spec/models/concerns/faster_cache_keys_spec.rb
@@ -0,0 +1,17 @@
+require 'spec_helper'
+
+describe FasterCacheKeys do
+  describe '#cache_key' do
+    it 'returns a String' do
+      # We're using a fixed string here so it's easier to set an expectation for
+      # the resulting cache key.
+      time = '2016-08-08 16:39:00+02'
+      issue = build(:issue, updated_at: time)
+      issue.extend(described_class)
+
+      expect(issue).to receive(:id).and_return(1)
+
+      expect(issue.cache_key).to eq("issues/1-#{time}")
+    end
+  end
+end
diff --git a/spec/models/concerns/mentionable_spec.rb b/spec/models/concerns/mentionable_spec.rb
index 5e652660e2c..549b0042038 100644
--- a/spec/models/concerns/mentionable_spec.rb
+++ b/spec/models/concerns/mentionable_spec.rb
@@ -68,7 +68,7 @@ describe Issue, "Mentionable" do
 
   describe '#create_cross_references!' do
     let(:project) { create(:project) }
-    let(:author)  { double('author') }
+    let(:author)  { build(:user) }
     let(:commit)  { project.commit }
     let(:commit2) { project.commit }
 
@@ -88,6 +88,10 @@ describe Issue, "Mentionable" do
     let(:author)  { create(:author) }
     let(:issues)  { create_list(:issue, 2, project: project, author: author) }
 
+    before do
+      project.team << [author, Gitlab::Access::DEVELOPER]
+    end
+
     context 'before changes are persisted' do
       it 'ignores pre-existing references' do
         issue = create_issue(description: issues[0].to_reference)
diff --git a/spec/models/concerns/milestoneish_spec.rb b/spec/models/concerns/milestoneish_spec.rb
index 7e9ab8940cf..b7e973798a3 100644
--- a/spec/models/concerns/milestoneish_spec.rb
+++ b/spec/models/concerns/milestoneish_spec.rb
@@ -26,53 +26,53 @@ describe Milestone, 'Milestoneish' do
   end
 
   describe '#closed_items_count' do
-    it 'should not count confidential issues for non project members' do
+    it 'does not count confidential issues for non project members' do
       expect(milestone.closed_items_count(non_member)).to eq 2
     end
 
-    it 'should not count confidential issues for project members with guest role' do
+    it 'does not count confidential issues for project members with guest role' do
       expect(milestone.closed_items_count(guest)).to eq 2
     end
 
-    it 'should count confidential issues for author' do
+    it 'counts confidential issues for author' do
       expect(milestone.closed_items_count(author)).to eq 4
     end
 
-    it 'should count confidential issues for assignee' do
+    it 'counts confidential issues for assignee' do
       expect(milestone.closed_items_count(assignee)).to eq 4
     end
 
-    it 'should count confidential issues for project members' do
+    it 'counts confidential issues for project members' do
       expect(milestone.closed_items_count(member)).to eq 6
     end
 
-    it 'should count all issues for admin' do
+    it 'counts all issues for admin' do
       expect(milestone.closed_items_count(admin)).to eq 6
     end
   end
 
   describe '#total_items_count' do
-    it 'should not count confidential issues for non project members' do
+    it 'does not count confidential issues for non project members' do
       expect(milestone.total_items_count(non_member)).to eq 4
     end
 
-    it 'should not count confidential issues for project members with guest role' do
+    it 'does not count confidential issues for project members with guest role' do
       expect(milestone.total_items_count(guest)).to eq 4
     end
 
-    it 'should count confidential issues for author' do
+    it 'counts confidential issues for author' do
       expect(milestone.total_items_count(author)).to eq 7
     end
 
-    it 'should count confidential issues for assignee' do
+    it 'counts confidential issues for assignee' do
       expect(milestone.total_items_count(assignee)).to eq 7
     end
 
-    it 'should count confidential issues for project members' do
+    it 'counts confidential issues for project members' do
       expect(milestone.total_items_count(member)).to eq 10
     end
 
-    it 'should count all issues for admin' do
+    it 'counts all issues for admin' do
       expect(milestone.total_items_count(admin)).to eq 10
     end
   end
@@ -91,27 +91,27 @@ describe Milestone, 'Milestoneish' do
   end
 
   describe '#percent_complete' do
-    it 'should not count confidential issues for non project members' do
+    it 'does not count confidential issues for non project members' do
       expect(milestone.percent_complete(non_member)).to eq 50
     end
 
-    it 'should not count confidential issues for project members with guest role' do
+    it 'does not count confidential issues for project members with guest role' do
       expect(milestone.percent_complete(guest)).to eq 50
     end
 
-    it 'should count confidential issues for author' do
+    it 'counts confidential issues for author' do
       expect(milestone.percent_complete(author)).to eq 57
     end
 
-    it 'should count confidential issues for assignee' do
+    it 'counts confidential issues for assignee' do
       expect(milestone.percent_complete(assignee)).to eq 57
     end
 
-    it 'should count confidential issues for project members' do
+    it 'counts confidential issues for project members' do
       expect(milestone.percent_complete(member)).to eq 60
     end
 
-    it 'should count confidential issues for admin' do
+    it 'counts confidential issues for admin' do
       expect(milestone.percent_complete(admin)).to eq 60
     end
   end
diff --git a/spec/models/concerns/spammable_spec.rb b/spec/models/concerns/spammable_spec.rb
new file mode 100644
index 00000000000..32935bc0b09
--- /dev/null
+++ b/spec/models/concerns/spammable_spec.rb
@@ -0,0 +1,33 @@
+require 'spec_helper'
+
+describe Issue, 'Spammable' do
+  let(:issue) { create(:issue, description: 'Test Desc.') }
+
+  describe 'Associations' do
+    it { is_expected.to have_one(:user_agent_detail).dependent(:destroy) }
+  end
+
+  describe 'ClassMethods' do
+    it 'should return correct attr_spammable' do
+      expect(issue.spammable_text).to eq("#{issue.title}\n#{issue.description}")
+    end
+  end
+
+  describe 'InstanceMethods' do
+    it 'should be invalid if spam' do
+      issue = build(:issue, spam: true)
+      expect(issue.valid?).to be_falsey
+    end
+
+    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
+
+      it 'returns false for other visibility levels' do
+        expect(issue.check_for_spam?).to eq(false)
+      end
+    end
+  end
+end
diff --git a/spec/models/concerns/token_authenticatable_spec.rb b/spec/models/concerns/token_authenticatable_spec.rb
index 9e8ebc56a31..eb64f3d0c83 100644
--- a/spec/models/concerns/token_authenticatable_spec.rb
+++ b/spec/models/concerns/token_authenticatable_spec.rb
@@ -41,7 +41,7 @@ describe ApplicationSetting, 'TokenAuthenticatable' do
       describe 'ensured! token' do
         subject { described_class.new.send("ensure_#{token_field}!") }
 
-        it 'should persist new token' do
+        it 'persists new token' do
           expect(subject).to eq described_class.current[token_field]
         end
       end
diff --git a/spec/models/deployment_spec.rb b/spec/models/deployment_spec.rb
index 7df3df4bb9e..bfff639ad78 100644
--- a/spec/models/deployment_spec.rb
+++ b/spec/models/deployment_spec.rb
@@ -15,4 +15,28 @@ describe Deployment, models: true do
 
   it { is_expected.to validate_presence_of(:ref) }
   it { is_expected.to validate_presence_of(:sha) }
+
+  describe '#includes_commit?' do
+    let(:project)     { create(:project) }
+    let(:environment) { create(:environment, project: project) }
+    let(:deployment) do
+      create(:deployment, environment: environment, sha: project.commit.id)
+    end
+
+    context 'when there is no project commit' do
+      it 'returns false' do
+        commit = project.commit('feature')
+
+        expect(deployment.includes_commit?(commit)).to be false
+      end
+    end
+
+    context 'when they share the same tree branch' do
+      it 'returns true' do
+        commit = project.commit
+
+        expect(deployment.includes_commit?(commit)).to be true
+      end
+    end
+  end
 end
diff --git a/spec/models/diff_note_spec.rb b/spec/models/diff_note_spec.rb
index af8e890ca95..1fa96eb1f15 100644
--- a/spec/models/diff_note_spec.rb
+++ b/spec/models/diff_note_spec.rb
@@ -119,7 +119,7 @@ describe DiffNote, models: true do
 
       context "when the merge request's diff refs don't match that of the diff note" do
         before do
-          allow(subject.noteable).to receive(:diff_refs).and_return(commit.diff_refs)
+          allow(subject.noteable).to receive(:diff_sha_refs).and_return(commit.diff_refs)
         end
 
         it "returns false" do
@@ -168,7 +168,7 @@ describe DiffNote, models: true do
 
         context "when the note is outdated" do
           before do
-            allow(merge_request).to receive(:diff_refs).and_return(commit.diff_refs)
+            allow(merge_request).to receive(:diff_sha_refs).and_return(commit.diff_refs)
           end
 
           it "uses the DiffPositionUpdateService" do
diff --git a/spec/models/environment_spec.rb b/spec/models/environment_spec.rb
index 7629af6a570..c881897926e 100644
--- a/spec/models/environment_spec.rb
+++ b/spec/models/environment_spec.rb
@@ -11,4 +11,56 @@ describe Environment, models: true do
   it { is_expected.to validate_presence_of(:name) }
   it { is_expected.to validate_uniqueness_of(:name).scoped_to(:project_id) }
   it { is_expected.to validate_length_of(:name).is_within(0..255) }
+
+  it { is_expected.to validate_length_of(:external_url).is_within(0..255) }
+
+  # To circumvent a not null violation of the name column:
+  # https://github.com/thoughtbot/shoulda-matchers/issues/336
+  it 'validates uniqueness of :external_url' do
+    create(:environment)
+
+    is_expected.to validate_uniqueness_of(:external_url).scoped_to(:project_id)
+  end
+
+  describe '#nullify_external_url' do
+    it 'replaces a blank url with nil' do
+      env = build(:environment, external_url: "")
+
+      expect(env.save).to be true
+      expect(env.external_url).to be_nil
+    end
+  end
+
+  describe '#includes_commit?' do
+    context 'without a last deployment' do
+      it "returns false" do
+        expect(environment.includes_commit?('HEAD')).to be false
+      end
+    end
+
+    context 'with a last deployment' do
+      let(:project)     { create(:project) }
+      let(:environment) { create(:environment, project: project) }
+
+      let!(:deployment) do
+        create(:deployment, environment: environment, sha: project.commit('master').id)
+      end
+
+      context 'in the same branch' do
+        it 'returns true' do
+          expect(environment.includes_commit?(RepoHelpers.sample_commit)).to be true
+        end
+      end
+
+      context 'not in the same branch' do
+        before do
+          deployment.update(sha: project.commit('feature').id)
+        end
+
+        it 'returns false' do
+          expect(environment.includes_commit?(RepoHelpers.sample_commit)).to be false
+        end
+      end
+    end
+  end
 end
diff --git a/spec/models/forked_project_link_spec.rb b/spec/models/forked_project_link_spec.rb
index f94987dcaff..9c81d159cdf 100644
--- a/spec/models/forked_project_link_spec.rb
+++ b/spec/models/forked_project_link_spec.rb
@@ -9,11 +9,11 @@ describe ForkedProjectLink, "add link on fork" do
     @project_to = fork_project(project_from, user)
   end
 
-  it "project_to should know it is forked" do
+  it "project_to knows it is forked" do
     expect(@project_to.forked?).to be_truthy
   end
 
-  it "project should know who it is forked from" do
+  it "project knows who it is forked from" do
     expect(@project_to.forked_from_project).to eq(project_from)
   end
 end
@@ -29,15 +29,15 @@ describe '#forked?' do
     forked_project_link.save!
   end
 
-  it "project_to should know it is forked" do
+  it "project_to knows it is forked" do
     expect(project_to.forked?).to be_truthy
   end
 
-  it "project_from should not be forked" do
+  it "project_from is not forked" do
     expect(project_from.forked?).to be_falsey
   end
 
-  it "project_to.destroy should destroy fork_link" do
+  it "project_to.destroy destroys fork_link" do
     expect(forked_project_link).to receive(:destroy)
     project_to.destroy
   end
diff --git a/spec/models/global_milestone_spec.rb b/spec/models/global_milestone_spec.rb
index ae77ec5b348..92e0f7f27ce 100644
--- a/spec/models/global_milestone_spec.rb
+++ b/spec/models/global_milestone_spec.rb
@@ -29,15 +29,15 @@ describe GlobalMilestone, models: true do
       @global_milestones = GlobalMilestone.build_collection(milestones)
     end
 
-    it 'should have all project milestones' do
+    it 'has all project milestones' do
       expect(@global_milestones.count).to eq(2)
     end
 
-    it 'should have all project milestones titles' do
+    it 'has all project milestones titles' do
       expect(@global_milestones.map(&:title)).to match_array(['Milestone v1.2', 'VD-123'])
     end
 
-    it 'should have all project milestones' do
+    it 'has all project milestones' do
       expect(@global_milestones.map { |group_milestone| group_milestone.milestones.count }.sum).to eq(6)
     end
   end
@@ -54,11 +54,11 @@ describe GlobalMilestone, models: true do
       @global_milestone = GlobalMilestone.new(milestone1_project1.title, milestones)
     end
 
-    it 'should have exactly one group milestone' do
+    it 'has exactly one group milestone' do
       expect(@global_milestone.title).to eq('Milestone v1.2')
     end
 
-    it 'should have all project milestones with the same title' do
+    it 'has all project milestones with the same title' do
       expect(@global_milestone.milestones.count).to eq(3)
     end
   end
@@ -66,7 +66,7 @@ describe GlobalMilestone, models: true do
   describe '#safe_title' do
     let(:milestone) { create(:milestone, title: "git / test", project: project1) }
 
-    it 'should strip out slashes and spaces' do
+    it 'strips out slashes and spaces' do
       global_milestone = GlobalMilestone.new(milestone.title, [milestone])
 
       expect(global_milestone.safe_title).to eq('git-test')
diff --git a/spec/models/group_spec.rb b/spec/models/group_spec.rb
index 266c46213a6..ea4b59c26b1 100644
--- a/spec/models/group_spec.rb
+++ b/spec/models/group_spec.rb
@@ -116,7 +116,7 @@ describe Group, models: true do
     let(:user) { create(:user) }
     before { group.add_users([user.id], GroupMember::GUEST) }
 
-    it "should update the group permission" do
+    it "updates the group permission" do
       expect(group.group_members.guests.map(&:user)).to include(user)
       group.add_users([user.id], GroupMember::DEVELOPER)
       expect(group.group_members.developers.map(&:user)).to include(user)
@@ -128,12 +128,12 @@ describe Group, models: true do
     let(:user) { create(:user) }
     before { group.add_user(user, GroupMember::MASTER) }
 
-    it "should be true if avatar is image" do
+    it "is true if avatar is image" do
       group.update_attribute(:avatar, 'uploads/avatar.png')
       expect(group.avatar_type).to be_truthy
     end
 
-    it "should be false if avatar is html page" do
+    it "is false if avatar is html page" do
       group.update_attribute(:avatar, 'uploads/avatar.html')
       expect(group.avatar_type).to eq(["only images allowed"])
     end
diff --git a/spec/models/hooks/project_hook_spec.rb b/spec/models/hooks/project_hook_spec.rb
index 983848392b7..4a457997a4f 100644
--- a/spec/models/hooks/project_hook_spec.rb
+++ b/spec/models/hooks/project_hook_spec.rb
@@ -24,7 +24,7 @@ describe ProjectHook, models: true do
   end
 
   describe '.push_hooks' do
-    it 'should return hooks for push events only' do
+    it 'returns hooks for push events only' do
       hook = create(:project_hook, push_events: true)
       create(:project_hook, push_events: false)
       expect(ProjectHook.push_hooks).to eq([hook])
@@ -32,7 +32,7 @@ describe ProjectHook, models: true do
   end
 
   describe '.tag_push_hooks' do
-    it 'should return hooks for tag push events only' do
+    it 'returns hooks for tag push events only' do
       hook = create(:project_hook, tag_push_events: true)
       create(:project_hook, tag_push_events: false)
       expect(ProjectHook.tag_push_hooks).to eq([hook])
diff --git a/spec/models/hooks/system_hook_spec.rb b/spec/models/hooks/system_hook_spec.rb
index 4078b9e4ff5..cbdf7eec082 100644
--- a/spec/models/hooks/system_hook_spec.rb
+++ b/spec/models/hooks/system_hook_spec.rb
@@ -38,7 +38,7 @@ describe SystemHook, models: true do
     end
 
     it "project_destroy hook" do
-      Projects::DestroyService.new(project, user, {}).pending_delete!
+      Projects::DestroyService.new(project, user, {}).async_execute
 
       expect(WebMock).to have_requested(:post, system_hook.url).with(
         body: /project_destroy/,
diff --git a/spec/models/issue_spec.rb b/spec/models/issue_spec.rb
index 6a897c96690..3259f795296 100644
--- a/spec/models/issue_spec.rb
+++ b/spec/models/issue_spec.rb
@@ -306,4 +306,257 @@ describe Issue, models: true do
       expect(user2.assigned_open_issues_count).to eq(1)
     end
   end
+
+  describe '#visible_to_user?' do
+    context 'with a user' do
+      let(:user) { build(:user) }
+      let(:issue) { build(:issue) }
+
+      it 'returns true when the issue is readable' do
+        expect(issue).to receive(:readable_by?).with(user).and_return(true)
+
+        expect(issue.visible_to_user?(user)).to eq(true)
+      end
+
+      it 'returns false when the issue is not readable' do
+        expect(issue).to receive(:readable_by?).with(user).and_return(false)
+
+        expect(issue.visible_to_user?(user)).to eq(false)
+      end
+    end
+
+    context 'without a user' do
+      let(:issue) { build(:issue) }
+
+      it 'returns true when the issue is publicly visible' do
+        expect(issue).to receive(:publicly_visible?).and_return(true)
+
+        expect(issue.visible_to_user?).to eq(true)
+      end
+
+      it 'returns false when the issue is not publicly visible' do
+        expect(issue).to receive(:publicly_visible?).and_return(false)
+
+        expect(issue.visible_to_user?).to eq(false)
+      end
+    end
+  end
+
+  describe '#readable_by?' do
+    describe 'with a regular user that is not a team member' do
+      let(:user) { create(:user) }
+
+      context 'using a public project' do
+        let(:project) { create(:empty_project, :public) }
+
+        it 'returns true for a regular issue' do
+          issue = build(:issue, project: project)
+
+          expect(issue).to be_readable_by(user)
+        end
+
+        it 'returns false for a confidential issue' do
+          issue = build(:issue, project: project, confidential: true)
+
+          expect(issue).not_to be_readable_by(user)
+        end
+      end
+
+      context 'using an internal project' do
+        let(:project) { create(:empty_project, :internal) }
+
+        context 'using an internal user' do
+          it 'returns true for a regular issue' do
+            issue = build(:issue, project: project)
+
+            expect(issue).to be_readable_by(user)
+          end
+
+          it 'returns false for a confidential issue' do
+            issue = build(:issue, :confidential, project: project)
+
+            expect(issue).not_to be_readable_by(user)
+          end
+        end
+
+        context 'using an external user' do
+          before do
+            allow(user).to receive(:external?).and_return(true)
+          end
+
+          it 'returns false for a regular issue' do
+            issue = build(:issue, project: project)
+
+            expect(issue).not_to be_readable_by(user)
+          end
+
+          it 'returns false for a confidential issue' do
+            issue = build(:issue, :confidential, project: project)
+
+            expect(issue).not_to be_readable_by(user)
+          end
+        end
+      end
+
+      context 'using a private project' do
+        let(:project) { create(:empty_project, :private) }
+
+        it 'returns false for a regular issue' do
+          issue = build(:issue, project: project)
+
+          expect(issue).not_to be_readable_by(user)
+        end
+
+        it 'returns false for a confidential issue' do
+          issue = build(:issue, :confidential, project: project)
+
+          expect(issue).not_to be_readable_by(user)
+        end
+
+        context 'when the user is the project owner' do
+          it 'returns true for a regular issue' do
+            issue = build(:issue, project: project)
+
+            expect(issue).not_to be_readable_by(user)
+          end
+
+          it 'returns true for a confidential issue' do
+            issue = build(:issue, :confidential, project: project)
+
+            expect(issue).not_to be_readable_by(user)
+          end
+        end
+      end
+    end
+
+    context 'with a regular user that is a team member' do
+      let(:user) { create(:user) }
+      let(:project) { create(:empty_project, :public) }
+
+      context 'using a public project' do
+        before do
+          project.team << [user, Gitlab::Access::DEVELOPER]
+        end
+
+        it 'returns true for a regular issue' do
+          issue = build(:issue, project: project)
+
+          expect(issue).to be_readable_by(user)
+        end
+
+        it 'returns true for a confidential issue' do
+          issue = build(:issue, :confidential, project: project)
+
+          expect(issue).to be_readable_by(user)
+        end
+      end
+
+      context 'using an internal project' do
+        let(:project) { create(:empty_project, :internal) }
+
+        before do
+          project.team << [user, Gitlab::Access::DEVELOPER]
+        end
+
+        it 'returns true for a regular issue' do
+          issue = build(:issue, project: project)
+
+          expect(issue).to be_readable_by(user)
+        end
+
+        it 'returns true for a confidential issue' do
+          issue = build(:issue, :confidential, project: project)
+
+          expect(issue).to be_readable_by(user)
+        end
+      end
+
+      context 'using a private project' do
+        let(:project) { create(:empty_project, :private) }
+
+        before do
+          project.team << [user, Gitlab::Access::DEVELOPER]
+        end
+
+        it 'returns true for a regular issue' do
+          issue = build(:issue, project: project)
+
+          expect(issue).to be_readable_by(user)
+        end
+
+        it 'returns true for a confidential issue' do
+          issue = build(:issue, :confidential, project: project)
+
+          expect(issue).to be_readable_by(user)
+        end
+      end
+    end
+
+    context 'with an admin user' do
+      let(:project) { create(:empty_project) }
+      let(:user) { create(:user, admin: true) }
+
+      it 'returns true for a regular issue' do
+        issue = build(:issue, project: project)
+
+        expect(issue).to be_readable_by(user)
+      end
+
+      it 'returns true for a confidential issue' do
+        issue = build(:issue, :confidential, project: project)
+
+        expect(issue).to be_readable_by(user)
+      end
+    end
+  end
+
+  describe '#publicly_visible?' do
+    context 'using a public project' do
+      let(:project) { create(:empty_project, :public) }
+
+      it 'returns true for a regular issue' do
+        issue = build(:issue, project: project)
+
+        expect(issue).to be_publicly_visible
+      end
+
+      it 'returns false for a confidential issue' do
+        issue = build(:issue, :confidential, project: project)
+
+        expect(issue).not_to be_publicly_visible
+      end
+    end
+
+    context 'using an internal project' do
+      let(:project) { create(:empty_project, :internal) }
+
+      it 'returns false for a regular issue' do
+        issue = build(:issue, project: project)
+
+        expect(issue).not_to be_publicly_visible
+      end
+
+      it 'returns false for a confidential issue' do
+        issue = build(:issue, :confidential, project: project)
+
+        expect(issue).not_to be_publicly_visible
+      end
+    end
+
+    context 'using a private project' do
+      let(:project) { create(:empty_project, :private) }
+
+      it 'returns false for a regular issue' do
+        issue = build(:issue, project: project)
+
+        expect(issue).not_to be_publicly_visible
+      end
+
+      it 'returns false for a confidential issue' do
+        issue = build(:issue, :confidential, project: project)
+
+        expect(issue).not_to be_publicly_visible
+      end
+    end
+  end
 end
diff --git a/spec/models/key_spec.rb b/spec/models/key_spec.rb
index 49cf3d8633a..fd4a2beff58 100644
--- a/spec/models/key_spec.rb
+++ b/spec/models/key_spec.rb
@@ -16,12 +16,13 @@ describe Key, models: true do
   end
 
   describe "Methods" do
+    let(:user) { create(:user) }
     it { is_expected.to respond_to :projects }
     it { is_expected.to respond_to :publishable_key }
 
     describe "#publishable_keys" do
-      it 'strips all personal information' do
-        expect(build(:key).publishable_key).not_to match(/dummy@gitlab/)
+      it 'replaces SSH key comment with simple identifier of username + hostname' do
+        expect(build(:key, user: user).publishable_key).to include("#{user.name} (localhost)")
       end
     end
   end
@@ -72,13 +73,13 @@ describe Key, models: true do
   end
 
   context 'callbacks' do
-    it 'should add new key to authorized_file' do
+    it 'adds new key to authorized_file' do
       @key = build(:personal_key, id: 7)
       expect(GitlabShellWorker).to receive(:perform_async).with(:add_key, @key.shell_id, @key.key)
       @key.save
     end
 
-    it 'should remove key from authorized_file' do
+    it 'removes key from authorized_file' do
       @key = create(:personal_key)
       expect(GitlabShellWorker).to receive(:perform_async).with(:remove_key, @key.shell_id, @key.key)
       @key.destroy
diff --git a/spec/models/label_spec.rb b/spec/models/label_spec.rb
index f37f44a608e..2a09063f857 100644
--- a/spec/models/label_spec.rb
+++ b/spec/models/label_spec.rb
@@ -18,7 +18,7 @@ describe Label, models: true do
   describe 'validation' do
     it { is_expected.to validate_presence_of(:project) }
 
-    it 'should validate color code' do
+    it 'validates color code' do
       expect(label).not_to allow_value('G-ITLAB').for(:color)
       expect(label).not_to allow_value('AABBCC').for(:color)
       expect(label).not_to allow_value('#AABBCCEE').for(:color)
@@ -30,7 +30,7 @@ describe Label, models: true do
       expect(label).to allow_value('#abcdef').for(:color)
     end
 
-    it 'should validate title' do
+    it 'validates title' do
       expect(label).not_to allow_value('G,ITLAB').for(:title)
       expect(label).not_to allow_value('').for(:title)
 
diff --git a/spec/models/legacy_diff_note_spec.rb b/spec/models/legacy_diff_note_spec.rb
index d23fc06c3ad..2cfd26419ca 100644
--- a/spec/models/legacy_diff_note_spec.rb
+++ b/spec/models/legacy_diff_note_spec.rb
@@ -5,12 +5,12 @@ describe LegacyDiffNote, models: true do
     let!(:note) { create(:legacy_diff_note_on_commit, note: "+1 from me") }
     let!(:commit) { note.noteable }
 
-    it "should save a valid note" do
+    it "saves a valid note" do
       expect(note.commit_id).to eq(commit.id)
       expect(note.noteable.id).to eq(commit.id)
     end
 
-    it "should be recognized by #legacy_diff_note?" do
+    it "is recognized by #legacy_diff_note?" do
       expect(note).to be_legacy_diff_note
     end
   end
@@ -58,7 +58,7 @@ describe LegacyDiffNote, models: true do
 
         # Generate a real line_code value so we know it will match. We use a
         # random line from a random diff just for funsies.
-        diff = merge.diffs.to_a.sample
+        diff = merge.raw_diffs.to_a.sample
         line = Gitlab::Diff::Parser.new.parse(diff.diff.each_line).to_a.sample
         code = Gitlab::Diff::LineCode.generate(diff.new_path, line.new_pos, line.old_pos)
 
diff --git a/spec/models/member_spec.rb b/spec/models/member_spec.rb
index 40181a8b906..2277f4e13bf 100644
--- a/spec/models/member_spec.rb
+++ b/spec/models/member_spec.rb
@@ -10,7 +10,7 @@ describe Member, models: true do
 
     it { is_expected.to validate_presence_of(:user) }
     it { is_expected.to validate_presence_of(:source) }
-    it { is_expected.to validate_inclusion_of(:access_level).in_array(Gitlab::Access.values) }
+    it { is_expected.to validate_inclusion_of(:access_level).in_array(Gitlab::Access.all_values) }
 
     it_behaves_like 'an object with email-formated attributes', :invite_email do
       subject { build(:project_member) }
@@ -79,6 +79,18 @@ describe Member, models: true do
       @accepted_request_member = project.requesters.find_by(user_id: accepted_request_user.id).tap { |m| m.accept_request }
     end
 
+    describe '.access_for_user_ids' do
+      it 'returns the right access levels' do
+        users = [@owner_user.id, @master_user.id]
+        expected = {
+          @owner_user.id => Gitlab::Access::OWNER,
+          @master_user.id => Gitlab::Access::MASTER
+        }
+
+        expect(described_class.access_for_user_ids(users)).to eq(expected)
+      end
+    end
+
     describe '.invite' do
       it { expect(described_class.invite).not_to include @master }
       it { expect(described_class.invite).to include @invited_member }
diff --git a/spec/models/members/group_member_spec.rb b/spec/models/members/group_member_spec.rb
index 18439cac2a4..4f875fd257a 100644
--- a/spec/models/members/group_member_spec.rb
+++ b/spec/models/members/group_member_spec.rb
@@ -22,7 +22,7 @@ require 'spec_helper'
 describe GroupMember, models: true do
   describe 'notifications' do
     describe "#after_create" do
-      it "should send email to user" do
+      it "sends email to user" do
         membership = build(:group_member)
 
         allow(membership).to receive(:notification_service).
@@ -40,7 +40,7 @@ describe GroupMember, models: true do
           and_return(double('NotificationService').as_null_object)
       end
 
-      it "should send email to user" do
+      it "sends email to user" do
         expect(@group_member).to receive(:notification_service)
         @group_member.update_attribute(:access_level, GroupMember::MASTER)
       end
diff --git a/spec/models/members/project_member_spec.rb b/spec/models/members/project_member_spec.rb
index ba622dfb9be..913d74645a7 100644
--- a/spec/models/members/project_member_spec.rb
+++ b/spec/models/members/project_member_spec.rb
@@ -27,6 +27,7 @@ describe ProjectMember, models: true do
   describe 'validations' do
     it { is_expected.to allow_value('Project').for(:source_type) }
     it { is_expected.not_to allow_value('project').for(:source_type) }
+    it { is_expected.to validate_inclusion_of(:access_level).in_array(Gitlab::Access.values) }
   end
 
   describe 'modules' do
@@ -40,7 +41,7 @@ describe ProjectMember, models: true do
   end
 
   describe "#destroy" do
-    let(:owner)   { create(:project_member, access_level: ProjectMember::OWNER) }
+    let(:owner)   { create(:project_member, access_level: ProjectMember::MASTER) }
     let(:project) { owner.project }
     let(:master)  { create(:project_member, project: project) }
 
@@ -52,7 +53,7 @@ describe ProjectMember, models: true do
       master_todos
     end
 
-    it "destroy itself and delete associated todos" do
+    it "destroys itself and delete associated todos" do
       expect(owner.user.todos.size).to eq(2)
       expect(master.user.todos.size).to eq(3)
       expect(Todo.count).to eq(5)
@@ -101,7 +102,7 @@ describe ProjectMember, models: true do
     end
   end
 
-  describe '.add_users_into_projects' do
+  describe '.add_users_to_projects' do
     before do
       @project_1 = create :project
       @project_2 = create :project
@@ -109,7 +110,7 @@ describe ProjectMember, models: true do
       @user_1 = create :user
       @user_2 = create :user
 
-      ProjectMember.add_users_into_projects(
+      ProjectMember.add_users_to_projects(
         [@project_1.id, @project_2.id],
         [@user_1.id, @user_2.id],
         ProjectMember::MASTER
diff --git a/spec/models/merge_request_diff_spec.rb b/spec/models/merge_request_diff_spec.rb
index 9a637c94fbe..29f7396f862 100644
--- a/spec/models/merge_request_diff_spec.rb
+++ b/spec/models/merge_request_diff_spec.rb
@@ -10,7 +10,7 @@ describe MergeRequestDiff, models: true do
         expect(mr_diff).not_to receive(:load_diffs)
         expect(Gitlab::Git::Compare).to receive(:new).and_call_original
 
-        mr_diff.diffs(ignore_whitespace_change: true)
+        mr_diff.raw_diffs(ignore_whitespace_change: true)
       end
     end
 
@@ -18,19 +18,19 @@ describe MergeRequestDiff, models: true do
       before { mr_diff.update_attributes(st_diffs: '') }
 
       it 'returns an empty DiffCollection' do
-        expect(mr_diff.diffs).to be_a(Gitlab::Git::DiffCollection)
-        expect(mr_diff.diffs).to be_empty
+        expect(mr_diff.raw_diffs).to be_a(Gitlab::Git::DiffCollection)
+        expect(mr_diff.raw_diffs).to be_empty
       end
     end
 
     context 'when the raw diffs exist' do
       it 'returns the diffs' do
-        expect(mr_diff.diffs).to be_a(Gitlab::Git::DiffCollection)
-        expect(mr_diff.diffs).not_to be_empty
+        expect(mr_diff.raw_diffs).to be_a(Gitlab::Git::DiffCollection)
+        expect(mr_diff.raw_diffs).not_to be_empty
       end
 
       context 'when the :paths option is set' do
-        let(:diffs) { mr_diff.diffs(paths: ['files/ruby/popen.rb', 'files/ruby/popen.rb']) }
+        let(:diffs) { mr_diff.raw_diffs(paths: ['files/ruby/popen.rb', 'files/ruby/popen.rb']) }
 
         it 'only returns diffs that match the (old path, new path) given' do
           expect(diffs.map(&:new_path)).to contain_exactly('files/ruby/popen.rb')
diff --git a/spec/models/merge_request_spec.rb b/spec/models/merge_request_spec.rb
index 43a87e07435..acb75ec21a9 100644
--- a/spec/models/merge_request_spec.rb
+++ b/spec/models/merge_request_spec.rb
@@ -65,11 +65,11 @@ describe MergeRequest, models: true do
   end
 
   describe '#target_branch_sha' do
-    context 'when the target branch does not exist anymore' do
-      let(:project) { create(:project) }
+    let(:project) { create(:project) }
 
-      subject { create(:merge_request, source_project: project, target_project: project) }
+    subject { create(:merge_request, source_project: project, target_project: project) }
 
+    context 'when the target branch does not exist' do
       before do
         project.repository.raw_repository.delete_branch(subject.target_branch)
       end
@@ -78,6 +78,12 @@ describe MergeRequest, models: true do
         expect(subject.target_branch_sha).to be_nil
       end
     end
+
+    it 'returns memoized value' do
+      subject.target_branch_sha = '8ffb3c15a5475e59ae909384297fede4badcb4c7'
+
+      expect(subject.target_branch_sha).to eq '8ffb3c15a5475e59ae909384297fede4badcb4c7'
+    end
   end
 
   describe '#source_branch_sha' do
@@ -103,6 +109,12 @@ describe MergeRequest, models: true do
         expect(subject.source_branch_sha).to be_nil
       end
     end
+
+    it 'returns memoized value' do
+      subject.source_branch_sha = '2e5d3239642f9161dcbbc4b70a211a68e5e45e2b'
+
+      expect(subject.source_branch_sha).to eq '2e5d3239642f9161dcbbc4b70a211a68e5e45e2b'
+    end
   end
 
   describe '#to_reference' do
@@ -116,6 +128,31 @@ describe MergeRequest, models: true do
     end
   end
 
+  describe '#raw_diffs' do
+    let(:merge_request) { build(:merge_request) }
+    let(:options) { { paths: ['a/b', 'b/a', 'c/*'] } }
+
+    context 'when there are MR diffs' do
+      it 'delegates to the MR diffs' do
+        merge_request.merge_request_diff = MergeRequestDiff.new
+
+        expect(merge_request.merge_request_diff).to receive(:raw_diffs).with(options)
+
+        merge_request.raw_diffs(options)
+      end
+    end
+
+    context 'when there are no MR diffs' do
+      it 'delegates to the compare object' do
+        merge_request.compare = double(:compare)
+
+        expect(merge_request.compare).to receive(:raw_diffs).with(options)
+
+        merge_request.raw_diffs(options)
+      end
+    end
+  end
+
   describe '#diffs' do
     let(:merge_request) { build(:merge_request) }
     let(:options) { { paths: ['a/b', 'b/a', 'c/*'] } }
@@ -124,7 +161,7 @@ describe MergeRequest, models: true do
       it 'delegates to the MR diffs' do
         merge_request.merge_request_diff = MergeRequestDiff.new
 
-        expect(merge_request.merge_request_diff).to receive(:diffs).with(options)
+        expect(merge_request.merge_request_diff).to receive(:raw_diffs).with(hash_including(options))
 
         merge_request.diffs(options)
       end
@@ -151,12 +188,12 @@ describe MergeRequest, models: true do
       create(:note, noteable: merge_request, project: merge_request.project)
     end
 
-    it "should include notes for commits" do
+    it "includes notes for commits" do
       expect(merge_request.commits).not_to be_empty
       expect(merge_request.mr_and_commit_notes.count).to eq(2)
     end
 
-    it "should include notes for commits from target project as well" do
+    it "includes notes for commits from target project as well" do
       create(:note_on_commit, commit_id: merge_request.commits.first.id,
                               project: merge_request.target_project)
 
@@ -267,7 +304,7 @@ describe MergeRequest, models: true do
       expect(subject.can_remove_source_branch?(user)).to be_falsey
     end
 
-    it "cant remove a root ref" do
+    it "can't remove a root ref" do
       subject.source_branch = "master"
       subject.target_branch = "feature"
 
@@ -664,6 +701,21 @@ describe MergeRequest, models: true do
     end
   end
 
+  describe "#environments" do
+    let(:project)       { create(:project) }
+    let!(:environment)  { create(:environment, project: project) }
+    let!(:environment1) { create(:environment, project: project) }
+    let!(:environment2) { create(:environment, project: project) }
+    let(:merge_request) { create(:merge_request, source_project: project) }
+
+    it 'selects deployed environments' do
+      create(:deployment, environment: environment, sha: project.commit('master').id)
+      create(:deployment, environment: environment1, sha: project.commit('feature').id)
+
+      expect(merge_request.environments).to eq [environment]
+    end
+  end
+
   describe "#reload_diff" do
     let(:note) { create(:diff_note_on_merge_request, project: subject.project, noteable: subject) }
 
@@ -675,6 +727,12 @@ describe MergeRequest, models: true do
       subject.reload_diff
     end
 
+    it "executs diff cache service" do
+      expect_any_instance_of(MergeRequests::MergeRequestDiffCacheService).to receive(:execute).with(subject)
+
+      subject.reload_diff
+    end
+
     it "updates diff note positions" do
       old_diff_refs = subject.diff_refs
 
@@ -701,4 +759,28 @@ describe MergeRequest, models: true do
       subject.reload_diff
     end
   end
+
+  describe "#diff_sha_refs" do
+    context "with diffs" do
+      subject { create(:merge_request, :with_diffs) }
+
+      it "does not touch the repository" do
+        subject # Instantiate the object
+
+        expect_any_instance_of(Repository).not_to receive(:commit)
+
+        subject.diff_sha_refs
+      end
+
+      it "returns expected diff_refs" do
+        expected_diff_refs = Gitlab::Diff::DiffRefs.new(
+          base_sha:  subject.merge_request_diff.base_commit_sha,
+          start_sha: subject.merge_request_diff.start_commit_sha,
+          head_sha:  subject.merge_request_diff.head_commit_sha
+        )
+
+        expect(subject.diff_sha_refs).to eq(expected_diff_refs)
+      end
+    end
+  end
 end
diff --git a/spec/models/milestone_spec.rb b/spec/models/milestone_spec.rb
index d661dc0e59a..d64d6cde2b5 100644
--- a/spec/models/milestone_spec.rb
+++ b/spec/models/milestone_spec.rb
@@ -28,12 +28,12 @@ describe Milestone, models: true do
   end
 
   describe "unique milestone title per project" do
-    it "shouldn't accept the same title in a project twice" do
+    it "does not accept the same title in a project twice" do
       new_milestone = Milestone.new(project: milestone.project, title: milestone.title)
       expect(new_milestone).not_to be_valid
     end
 
-    it "should accept the same title in another project" do
+    it "accepts the same title in another project" do
       project = build(:project)
       new_milestone = Milestone.new(project: project, title: milestone.title)
 
@@ -42,29 +42,29 @@ describe Milestone, models: true do
   end
 
   describe "#percent_complete" do
-    it "should not count open issues" do
+    it "does not count open issues" do
       milestone.issues << issue
       expect(milestone.percent_complete(user)).to eq(0)
     end
 
-    it "should count closed issues" do
+    it "counts closed issues" do
       issue.close
       milestone.issues << issue
       expect(milestone.percent_complete(user)).to eq(100)
     end
 
-    it "should recover from dividing by zero" do
+    it "recovers from dividing by zero" do
       expect(milestone.percent_complete(user)).to eq(0)
     end
   end
 
   describe "#expires_at" do
-    it "should be nil when due_date is unset" do
+    it "is nil when due_date is unset" do
       milestone.update_attributes(due_date: nil)
       expect(milestone.expires_at).to be_nil
     end
 
-    it "should not be nil when due_date is set" do
+    it "is not nil when due_date is set" do
       milestone.update_attributes(due_date: Date.tomorrow)
       expect(milestone.expires_at).to be_present
     end
@@ -121,7 +121,7 @@ describe Milestone, models: true do
       create :merge_request, milestone: milestone
     end
 
-    it 'Should return total count of issues and merge requests assigned to milestone' do
+    it 'returns total count of issues and merge requests assigned to milestone' do
       expect(milestone.total_items_count(user)).to eq 2
     end
   end
@@ -134,11 +134,11 @@ describe Milestone, models: true do
       create :issue
     end
 
-    it 'should be true if milestone active and all nested issues closed' do
+    it 'returns true if milestone active and all nested issues closed' do
       expect(milestone.can_be_closed?).to be_truthy
     end
 
-    it 'should be false if milestone active and not all nested issues closed' do
+    it 'returns false if milestone active and not all nested issues closed' do
       issue.milestone = milestone
       issue.save
 
diff --git a/spec/models/namespace_spec.rb b/spec/models/namespace_spec.rb
index a162da0208e..544920d1824 100644
--- a/spec/models/namespace_spec.rb
+++ b/spec/models/namespace_spec.rb
@@ -61,11 +61,11 @@ describe Namespace, models: true do
       allow(@namespace).to receive(:path_changed?).and_return(true)
     end
 
-    it "should raise error when directory exists" do
+    it "raises error when directory exists" do
       expect { @namespace.move_dir }.to raise_error("namespace directory cannot be moved")
     end
 
-    it "should move dir if path changed" do
+    it "moves dir if path changed" do
       new_path = @namespace.path + "_new"
       allow(@namespace).to receive(:path_was).and_return(@namespace.path)
       allow(@namespace).to receive(:path).and_return(new_path)
@@ -93,7 +93,7 @@ describe Namespace, models: true do
 
     before { namespace.destroy }
 
-    it "should remove its dirs when deleted" do
+    it "removes its dirs when deleted" do
       expect(File.exist?(path)).to be(false)
     end
   end
diff --git a/spec/models/note_spec.rb b/spec/models/note_spec.rb
index 1243f5420a7..53733d253f7 100644
--- a/spec/models/note_spec.rb
+++ b/spec/models/note_spec.rb
@@ -56,18 +56,18 @@ describe Note, models: true do
     let!(:note) { create(:note_on_commit, note: "+1 from me") }
     let!(:commit) { note.noteable }
 
-    it "should be accessible through #noteable" do
+    it "is accessible through #noteable" do
       expect(note.commit_id).to eq(commit.id)
       expect(note.noteable).to be_a(Commit)
       expect(note.noteable).to eq(commit)
     end
 
-    it "should save a valid note" do
+    it "saves a valid note" do
       expect(note.commit_id).to eq(commit.id)
       note.noteable == commit
     end
 
-    it "should be recognized by #for_commit?" do
+    it "is recognized by #for_commit?" do
       expect(note).to be_for_commit
     end
 
diff --git a/spec/models/project_security_spec.rb b/spec/models/project_security_spec.rb
index 2142c7c13ef..36379074ea0 100644
--- a/spec/models/project_security_spec.rb
+++ b/spec/models/project_security_spec.rb
@@ -21,7 +21,7 @@ describe Project, models: true do
     let(:owner_actions) { Ability.project_owner_rules }
 
     describe "Non member rules" do
-      it "should deny for non-project users any actions" do
+      it "denies for non-project users any actions" do
         owner_actions.each do |action|
           expect(@abilities.allowed?(@u1, action, @p1)).to be_falsey
         end
@@ -33,7 +33,7 @@ describe Project, models: true do
         @p1.project_members.create(project: @p1, user: @u2, access_level: ProjectMember::GUEST)
       end
 
-      it "should allow for project user any guest actions" do
+      it "allows for project user any guest actions" do
         guest_actions.each do |action|
           expect(@abilities.allowed?(@u2, action, @p1)).to be_truthy
         end
@@ -45,7 +45,7 @@ describe Project, models: true do
         @p1.project_members.create(project: @p1, user: @u2, access_level: ProjectMember::REPORTER)
       end
 
-      it "should allow for project user any report actions" do
+      it "allows for project user any report actions" do
         report_actions.each do |action|
           expect(@abilities.allowed?(@u2, action, @p1)).to be_truthy
         end
@@ -58,13 +58,13 @@ describe Project, models: true do
         @p1.project_members.create(project: @p1, user: @u3, access_level: ProjectMember::DEVELOPER)
       end
 
-      it "should deny for developer master-specific actions" do
+      it "denies for developer master-specific actions" do
         [dev_actions - report_actions].each do |action|
           expect(@abilities.allowed?(@u2, action, @p1)).to be_falsey
         end
       end
 
-      it "should allow for project user any dev actions" do
+      it "allows for project user any dev actions" do
         dev_actions.each do |action|
           expect(@abilities.allowed?(@u3, action, @p1)).to be_truthy
         end
@@ -77,13 +77,13 @@ describe Project, models: true do
         @p1.project_members.create(project: @p1, user: @u3, access_level: ProjectMember::MASTER)
       end
 
-      it "should deny for developer master-specific actions" do
+      it "denies for developer master-specific actions" do
         [master_actions - dev_actions].each do |action|
           expect(@abilities.allowed?(@u2, action, @p1)).to be_falsey
         end
       end
 
-      it "should allow for project user any master actions" do
+      it "allows for project user any master actions" do
         master_actions.each do |action|
           expect(@abilities.allowed?(@u3, action, @p1)).to be_truthy
         end
@@ -96,13 +96,13 @@ describe Project, models: true do
         @p1.project_members.create(project: @p1, user: @u3, access_level: ProjectMember::MASTER)
       end
 
-      it "should deny for masters admin-specific actions" do
+      it "denies for masters admin-specific actions" do
         [owner_actions - master_actions].each do |action|
           expect(@abilities.allowed?(@u2, action, @p1)).to be_falsey
         end
       end
 
-      it "should allow for project owner any admin actions" do
+      it "allows for project owner any admin actions" do
         owner_actions.each do |action|
           expect(@abilities.allowed?(@u4, action, @p1)).to be_truthy
         end
diff --git a/spec/models/project_services/asana_service_spec.rb b/spec/models/project_services/asana_service_spec.rb
index f3d15f3c1ea..dc702cfc42c 100644
--- a/spec/models/project_services/asana_service_spec.rb
+++ b/spec/models/project_services/asana_service_spec.rb
@@ -65,7 +65,7 @@ describe AsanaService, models: true do
       )
     end
 
-    it 'should call Asana service to create a story' do
+    it 'calls Asana service to create a story' do
       data = create_data_for_commits('Message from commit. related to #123456')
       expected_message = "#{data[:user_name]} pushed to branch #{data[:ref]} of #{project.name_with_namespace} ( #{data[:commits][0][:url]} ): #{data[:commits][0][:message]}"
 
@@ -76,7 +76,7 @@ describe AsanaService, models: true do
       @asana.execute(data)
     end
 
-    it 'should call Asana service to create a story and close a task' do
+    it 'calls Asana service to create a story and close a task' do
       data = create_data_for_commits('fix #456789')
       d1 = double('Asana::Task')
       expect(d1).to receive(:add_comment)
@@ -86,7 +86,7 @@ describe AsanaService, models: true do
       @asana.execute(data)
     end
 
-    it 'should be able to close via url' do
+    it 'is able to close via url' do
       data = create_data_for_commits('closes https://app.asana.com/19292/956299/42')
       d1 = double('Asana::Task')
       expect(d1).to receive(:add_comment)
@@ -96,7 +96,7 @@ describe AsanaService, models: true do
       @asana.execute(data)
     end
 
-    it 'should allow multiple matches per line' do
+    it 'allows multiple matches per line' do
       message = <<-EOF
       minor bigfix, refactoring, fixed #123 and Closes #456 work on #789
       ref https://app.asana.com/19292/956299/42 and closing https://app.asana.com/19292/956299/12
diff --git a/spec/models/project_services/assembla_service_spec.rb b/spec/models/project_services/assembla_service_spec.rb
index 17e9361dd5c..00c4e0fb64c 100644
--- a/spec/models/project_services/assembla_service_spec.rb
+++ b/spec/models/project_services/assembla_service_spec.rb
@@ -44,7 +44,7 @@ describe AssemblaService, models: true do
       WebMock.stub_request(:post, @api_url)
     end
 
-    it "should call Assembla API" do
+    it "calls Assembla API" do
       @assembla_service.execute(@sample_data)
       expect(WebMock).to have_requested(:post, @api_url).with(
         body: /#{@sample_data[:before]}.*#{@sample_data[:after]}.*#{project.path}/
diff --git a/spec/models/project_services/campfire_service_spec.rb b/spec/models/project_services/campfire_service_spec.rb
index 3e6da42803b..1adf93258f3 100644
--- a/spec/models/project_services/campfire_service_spec.rb
+++ b/spec/models/project_services/campfire_service_spec.rb
@@ -39,4 +39,62 @@ describe CampfireService, models: true do
       it { is_expected.not_to validate_presence_of(:token) }
     end
   end
+
+  describe "#execute" do
+    let(:user)    { create(:user) }
+    let(:project) { create(:project) }
+
+    before do
+      @campfire_service = CampfireService.new
+      allow(@campfire_service).to receive_messages(
+        project_id: project.id,
+        project: project,
+        service_hook: true,
+        token: 'verySecret',
+        subdomain: 'project-name',
+        room: 'test-room'
+      )
+      @sample_data = Gitlab::PushDataBuilder.build_sample(project, user)
+      @rooms_url = 'https://verySecret:X@project-name.campfirenow.com/rooms.json'
+      @headers = { 'Content-Type' => 'application/json; charset=utf-8' }
+    end
+
+    it "calls Campfire API to get a list of rooms and speak in a room" do
+      # make sure a valid list of rooms is returned
+      body = File.read(Rails.root + 'spec/fixtures/project_services/campfire/rooms.json')
+      WebMock.stub_request(:get, @rooms_url).to_return(
+        body: body,
+        status: 200,
+        headers: @headers
+      )
+      # stub the speak request with the room id found in the previous request's response
+      speak_url = 'https://verySecret:X@project-name.campfirenow.com/room/123/speak.json'
+      WebMock.stub_request(:post, speak_url)
+
+      @campfire_service.execute(@sample_data)
+
+      expect(WebMock).to have_requested(:get, @rooms_url).once
+      expect(WebMock).to have_requested(:post, speak_url).with(
+        body: /#{project.path}.*#{@sample_data[:before]}.*#{@sample_data[:after]}/
+      ).once
+    end
+
+    it "calls Campfire API to get a list of rooms but shouldn't speak in a room" do
+      # return a list of rooms that do not contain a room named 'test-room'
+      body = File.read(Rails.root + 'spec/fixtures/project_services/campfire/rooms2.json')
+      WebMock.stub_request(:get, @rooms_url).to_return(
+        body: body,
+        status: 200,
+        headers: @headers
+      )
+      # we want to make sure no request is sent to the /speak endpoint, here is a basic
+      # regexp that matches this endpoint
+      speak_url = 'https://verySecret:X@project-name.campfirenow.com/room/.*/speak.json'
+
+      @campfire_service.execute(@sample_data)
+
+      expect(WebMock).to have_requested(:get, @rooms_url).once
+      expect(WebMock).not_to have_requested(:post, /#{speak_url}/)
+    end
+  end
 end
diff --git a/spec/models/project_services/external_wiki_service_spec.rb b/spec/models/project_services/external_wiki_service_spec.rb
index 5fe5ea7d2df..d7c5ea95d71 100644
--- a/spec/models/project_services/external_wiki_service_spec.rb
+++ b/spec/models/project_services/external_wiki_service_spec.rb
@@ -56,7 +56,7 @@ describe ExternalWikiService, models: true do
         @service.destroy!
       end
 
-      it 'should replace the wiki url' do
+      it 'replaces the wiki url' do
         wiki_path = get_project_wiki_path(project)
         expect(wiki_path).to match('https://gitlab.com')
       end
diff --git a/spec/models/project_services/flowdock_service_spec.rb b/spec/models/project_services/flowdock_service_spec.rb
index b7e627e6518..6518098ceea 100644
--- a/spec/models/project_services/flowdock_service_spec.rb
+++ b/spec/models/project_services/flowdock_service_spec.rb
@@ -57,7 +57,7 @@ describe FlowdockService, models: true do
       WebMock.stub_request(:post, @api_url)
     end
 
-    it "should call FlowDock API" do
+    it "calls FlowDock API" do
       @flowdock_service.execute(@sample_data)
       @sample_data[:commits].each do |commit|
         # One request to Flowdock per new commit
diff --git a/spec/models/project_services/gemnasium_service_spec.rb b/spec/models/project_services/gemnasium_service_spec.rb
index a08f1ac229f..2c5583bdaa2 100644
--- a/spec/models/project_services/gemnasium_service_spec.rb
+++ b/spec/models/project_services/gemnasium_service_spec.rb
@@ -57,7 +57,7 @@ describe GemnasiumService, models: true do
       )
       @sample_data = Gitlab::PushDataBuilder.build_sample(project, user)
     end
-    it "should call Gemnasium service" do
+    it "calls Gemnasium service" do
       expect(Gemnasium::GitlabService).to receive(:execute).with(an_instance_of(Hash)).once
       @gemnasium_service.execute(@sample_data)
     end
diff --git a/spec/models/project_services/gitlab_issue_tracker_service_spec.rb b/spec/models/project_services/gitlab_issue_tracker_service_spec.rb
index 7a1f106d6e3..8ef79a17d50 100644
--- a/spec/models/project_services/gitlab_issue_tracker_service_spec.rb
+++ b/spec/models/project_services/gitlab_issue_tracker_service_spec.rb
@@ -54,7 +54,7 @@ describe GitlabIssueTrackerService, models: true do
         @service.destroy!
       end
 
-      it 'should give the correct path' do
+      it 'gives the correct path' do
         expect(@service.project_url).to eq("http://localhost/gitlab/root/#{project.path_with_namespace}/issues")
         expect(@service.new_issue_url).to eq("http://localhost/gitlab/root/#{project.path_with_namespace}/issues/new")
         expect(@service.issue_url(432)).to eq("http://localhost/gitlab/root/#{project.path_with_namespace}/issues/432")
@@ -71,7 +71,7 @@ describe GitlabIssueTrackerService, models: true do
         @service.destroy!
       end
 
-      it 'should give the correct path' do
+      it 'gives the correct path' do
         expect(@service.project_path).to eq("/gitlab/root/#{project.path_with_namespace}/issues")
         expect(@service.new_issue_path).to eq("/gitlab/root/#{project.path_with_namespace}/issues/new")
         expect(@service.issue_path(432)).to eq("/gitlab/root/#{project.path_with_namespace}/issues/432")
diff --git a/spec/models/project_services/hipchat_service_spec.rb b/spec/models/project_services/hipchat_service_spec.rb
index 5f618322aab..1b383219eb9 100644
--- a/spec/models/project_services/hipchat_service_spec.rb
+++ b/spec/models/project_services/hipchat_service_spec.rb
@@ -61,7 +61,7 @@ describe HipchatService, models: true do
       WebMock.stub_request(:post, api_url)
     end
 
-    it 'should test and return errors' do
+    it 'tests and return errors' do
       allow(hipchat).to receive(:execute).and_raise(StandardError, 'no such room')
       result = hipchat.test(push_sample_data)
 
@@ -69,7 +69,7 @@ describe HipchatService, models: true do
       expect(result[:result].to_s).to eq('no such room')
     end
 
-    it 'should use v1 if version is provided' do
+    it 'uses v1 if version is provided' do
       allow(hipchat).to receive(:api_version).and_return('v1')
       expect(HipChat::Client).to receive(:new).with(
         token,
@@ -79,7 +79,7 @@ describe HipchatService, models: true do
       hipchat.execute(push_sample_data)
     end
 
-    it 'should use v2 as the version when nothing is provided' do
+    it 'uses v2 as the version when nothing is provided' do
       allow(hipchat).to receive(:api_version).and_return('')
       expect(HipChat::Client).to receive(:new).with(
         token,
@@ -90,13 +90,13 @@ describe HipchatService, models: true do
     end
 
     context 'push events' do
-      it "should call Hipchat API for push events" do
+      it "calls Hipchat API for push events" do
         hipchat.execute(push_sample_data)
 
         expect(WebMock).to have_requested(:post, api_url).once
       end
 
-      it "should create a push message" do
+      it "creates a push message" do
         message = hipchat.send(:create_push_message, push_sample_data)
 
         push_sample_data[:object_attributes]
@@ -110,13 +110,13 @@ describe HipchatService, models: true do
     context 'tag_push events' do
       let(:push_sample_data) { Gitlab::PushDataBuilder.build(project, user, Gitlab::Git::BLANK_SHA, '1' * 40, 'refs/tags/test', []) }
 
-      it "should call Hipchat API for tag push events" do
+      it "calls Hipchat API for tag push events" do
         hipchat.execute(push_sample_data)
 
         expect(WebMock).to have_requested(:post, api_url).once
       end
 
-      it "should create a tag push message" do
+      it "creates a tag push message" do
         message = hipchat.send(:create_push_message, push_sample_data)
 
         push_sample_data[:object_attributes]
@@ -131,13 +131,13 @@ describe HipchatService, models: true do
       let(:issue_service) { Issues::CreateService.new(project, user) }
       let(:issues_sample_data) { issue_service.hook_data(issue, 'open') }
 
-      it "should call Hipchat API for issue events" do
+      it "calls Hipchat API for issue events" do
         hipchat.execute(issues_sample_data)
 
         expect(WebMock).to have_requested(:post, api_url).once
       end
 
-      it "should create an issue message" do
+      it "creates an issue message" do
         message = hipchat.send(:create_issue_message, issues_sample_data)
 
         obj_attr = issues_sample_data[:object_attributes]
@@ -154,13 +154,13 @@ describe HipchatService, models: true do
       let(:merge_service) { MergeRequests::CreateService.new(project, user) }
       let(:merge_sample_data) { merge_service.hook_data(merge_request, 'open') }
 
-      it "should call Hipchat API for merge requests events" do
+      it "calls Hipchat API for merge requests events" do
         hipchat.execute(merge_sample_data)
 
         expect(WebMock).to have_requested(:post, api_url).once
       end
 
-      it "should create a merge request message" do
+      it "creates a merge request message" do
         message = hipchat.send(:create_merge_request_message,
                                merge_sample_data)
 
@@ -184,7 +184,7 @@ describe HipchatService, models: true do
                                   note: 'a comment on a commit')
         end
 
-        it "should call Hipchat API for commit comment events" do
+        it "calls Hipchat API for commit comment events" do
           data = Gitlab::NoteDataBuilder.build(commit_note, user)
           hipchat.execute(data)
 
@@ -216,7 +216,7 @@ describe HipchatService, models: true do
                                          note: "merge request note")
         end
 
-        it "should call Hipchat API for merge request comment events" do
+        it "calls Hipchat API for merge request comment events" do
           data = Gitlab::NoteDataBuilder.build(merge_request_note, user)
           hipchat.execute(data)
 
@@ -243,7 +243,7 @@ describe HipchatService, models: true do
                                  note: "issue note")
         end
 
-        it "should call Hipchat API for issue comment events" do
+        it "calls Hipchat API for issue comment events" do
           data = Gitlab::NoteDataBuilder.build(issue_note, user)
           hipchat.execute(data)
 
@@ -269,7 +269,7 @@ describe HipchatService, models: true do
                                            note: "snippet note")
         end
 
-        it "should call Hipchat API for snippet comment events" do
+        it "calls Hipchat API for snippet comment events" do
           data = Gitlab::NoteDataBuilder.build(snippet_note, user)
           hipchat.execute(data)
 
@@ -291,19 +291,20 @@ describe HipchatService, models: true do
     end
 
     context 'build events' do
-      let(:build) { create(:ci_build) }
+      let(:pipeline) { create(:ci_empty_pipeline) }
+      let(:build) { create(:ci_build, pipeline: pipeline) }
       let(:data) { Gitlab::BuildDataBuilder.build(build) }
 
       context 'for failed' do
         before { build.drop }
 
-        it "should call Hipchat API" do
+        it "calls Hipchat API" do
           hipchat.execute(data)
 
           expect(WebMock).to have_requested(:post, api_url).once
         end
 
-        it "should create a build message" do
+        it "creates a build message" do
           message = hipchat.send(:create_build_message, data)
 
           project_url = project.web_url
@@ -325,13 +326,13 @@ describe HipchatService, models: true do
           build.success
         end
 
-        it "should call Hipchat API" do
+        it "calls Hipchat API" do
           hipchat.notify_only_broken_builds = false
           hipchat.execute(data)
           expect(WebMock).to have_requested(:post, api_url).once
         end
 
-        it "should notify only broken" do
+        it "notifies only broken" do
           hipchat.notify_only_broken_builds = true
           hipchat.execute(data)
           expect(WebMock).not_to have_requested(:post, api_url).once
@@ -340,18 +341,36 @@ describe HipchatService, models: true do
     end
 
     context "#message_options" do
-      it "should be set to the defaults" do
-        expect(hipchat.send(:message_options)).to eq({ notify: false, color: 'yellow' })
+      it "is set to the defaults" do
+        expect(hipchat.__send__(:message_options)).to eq({ notify: false, color: 'yellow' })
       end
 
-      it "should set notfiy to true" do
+      it "sets notify to true" do
         allow(hipchat).to receive(:notify).and_return('1')
-        expect(hipchat.send(:message_options)).to eq({ notify: true, color: 'yellow' })
+
+        expect(hipchat.__send__(:message_options)).to eq({ notify: true, color: 'yellow' })
       end
 
-      it "should set the color" do
+      it "sets the color" do
         allow(hipchat).to receive(:color).and_return('red')
-        expect(hipchat.send(:message_options)).to eq({ notify: false, color: 'red' })
+
+        expect(hipchat.__send__(:message_options)).to eq({ notify: false, color: 'red' })
+      end
+
+      context 'with a successful build' do
+        it 'uses the green color' do
+          build_data = { object_kind: 'build', commit: { status: 'success' } }
+
+          expect(hipchat.__send__(:message_options, build_data)).to eq({ notify: false, color: 'green' })
+        end
+      end
+
+      context 'with a failed build' do
+        it 'uses the red color' do
+          build_data = { object_kind: 'build', commit: { status: 'failed' } }
+
+          expect(hipchat.__send__(:message_options, build_data)).to eq({ notify: false, color: 'red' })
+        end
       end
     end
   end
diff --git a/spec/models/project_services/irker_service_spec.rb b/spec/models/project_services/irker_service_spec.rb
index 4ee022a5171..ea718232255 100644
--- a/spec/models/project_services/irker_service_spec.rb
+++ b/spec/models/project_services/irker_service_spec.rb
@@ -52,26 +52,27 @@ describe IrkerService, models: true do
     let(:colorize_messages) { '1' }
 
     before do
+      @irker_server = TCPServer.new 'localhost', 0
+
       allow(irker).to receive_messages(
         active: true,
         project: project,
         project_id: project.id,
         service_hook: true,
-        server_host: 'localhost',
-        server_port: 6659,
+        server_host: @irker_server.addr[2],
+        server_port: @irker_server.addr[1],
         default_irc_uri: 'irc://chat.freenode.net/',
         recipients: recipients,
         colorize_messages: colorize_messages)
 
       irker.valid?
-      @irker_server = TCPServer.new 'localhost', 6659
     end
 
     after do
       @irker_server.close
     end
 
-    it 'should send valid JSON messages to an Irker listener' do
+    it 'sends valid JSON messages to an Irker listener' do
       irker.execute(sample_data)
 
       conn = @irker_server.accept
diff --git a/spec/models/project_services/jira_service_spec.rb b/spec/models/project_services/jira_service_spec.rb
index 5a97cf370da..342403f6354 100644
--- a/spec/models/project_services/jira_service_spec.rb
+++ b/spec/models/project_services/jira_service_spec.rb
@@ -75,7 +75,7 @@ describe JiraService, models: true do
       WebMock.stub_request(:post, @comment_url)
     end
 
-    it "should call JIRA API" do
+    it "calls JIRA API" do
       @jira_service.execute(merge_request,
                             ExternalIssue.new("JIRA-123", project))
       expect(WebMock).to have_requested(:post, @comment_url).with(
@@ -128,7 +128,7 @@ describe JiraService, models: true do
         expect(@jira_service.api_url).to eq("http://jira_edited.example.com/rest/api/2")
       end
 
-      it "should reset password if url changed, even if setter called multiple times" do
+      it "resets password if url changed, even if setter called multiple times" do
         @jira_service.api_url = 'http://jira1.example.com/rest/api/2'
         @jira_service.api_url = 'http://jira1.example.com/rest/api/2'
         @jira_service.save
@@ -181,7 +181,7 @@ describe JiraService, models: true do
         @service.destroy!
       end
 
-      it 'should be initialized' do
+      it 'is initialized' do
         expect(@service.title).to eq('JIRA')
         expect(@service.description).to eq("Jira issue tracker")
       end
@@ -197,7 +197,7 @@ describe JiraService, models: true do
         @service.destroy!
       end
 
-      it "should be correct" do
+      it "is correct" do
         expect(@service.title).to eq('Jira One')
         expect(@service.description).to eq('Jira One issue tracker')
       end
@@ -225,7 +225,7 @@ describe JiraService, models: true do
         @service.destroy!
       end
 
-      it 'should be prepopulated with the settings' do
+      it 'is prepopulated with the settings' do
         expect(@service.properties["project_url"]).to eq('http://jira.sample/projects/project_a')
         expect(@service.properties["issues_url"]).to eq("http://jira.sample/issues/:id")
         expect(@service.properties["new_issue_url"]).to eq("http://jira.sample/projects/project_a/issues/new")
diff --git a/spec/models/project_services/pivotaltracker_service_spec.rb b/spec/models/project_services/pivotaltracker_service_spec.rb
index f37edd4d970..d098d988521 100644
--- a/spec/models/project_services/pivotaltracker_service_spec.rb
+++ b/spec/models/project_services/pivotaltracker_service_spec.rb
@@ -39,4 +39,75 @@ describe PivotaltrackerService, models: true do
       it { is_expected.not_to validate_presence_of(:token) }
     end
   end
+
+  describe 'Execute' do
+    let(:service) do
+      PivotaltrackerService.new.tap do |service|
+        service.token = 'secret_api_token'
+      end
+    end
+
+    let(:url) { PivotaltrackerService::API_ENDPOINT }
+
+    def push_data(branch: 'master')
+      {
+        object_kind: 'push',
+        ref: "refs/heads/#{branch}",
+        commits: [
+          {
+            id: '21c12ea',
+            author: {
+              name: 'Some User'
+            },
+            url: 'https://example.com/commit',
+            message: 'commit message',
+          }
+        ]
+      }
+    end
+
+    before do
+      WebMock.stub_request(:post, url)
+    end
+
+    it 'should post correct message' do
+      service.execute(push_data)
+      expect(WebMock).to have_requested(:post, url).with(
+        body: {
+          'source_commit' => {
+            'commit_id' => '21c12ea',
+            'author' => 'Some User',
+            'url' => 'https://example.com/commit',
+            'message' => 'commit message'
+          }
+        },
+        headers: {
+          'Content-Type' => 'application/json',
+          'X-TrackerToken' => 'secret_api_token'
+        }
+      ).once
+    end
+
+    context 'when allowed branches is specified' do
+      let(:service) do
+        super().tap do |service|
+          service.restrict_to_branch = 'master,v10'
+        end
+      end
+
+      it 'should post message if branch is in the list' do
+        service.execute(push_data(branch: 'master'))
+        service.execute(push_data(branch: 'v10'))
+
+        expect(WebMock).to have_requested(:post, url).twice
+      end
+
+      it 'should not post message if branch is not in the list' do
+        service.execute(push_data(branch: 'mas'))
+        service.execute(push_data(branch: 'v11'))
+
+        expect(WebMock).not_to have_requested(:post, url)
+      end
+    end
+  end
 end
diff --git a/spec/models/project_services/pushover_service_spec.rb b/spec/models/project_services/pushover_service_spec.rb
index 555d9757b47..19c0270a493 100644
--- a/spec/models/project_services/pushover_service_spec.rb
+++ b/spec/models/project_services/pushover_service_spec.rb
@@ -72,7 +72,7 @@ describe PushoverService, models: true do
       WebMock.stub_request(:post, api_url)
     end
 
-    it 'should call Pushover API' do
+    it 'calls Pushover API' do
       pushover.execute(sample_data)
 
       expect(WebMock).to have_requested(:post, api_url).once
diff --git a/spec/models/project_services/slack_service/note_message_spec.rb b/spec/models/project_services/slack_service/note_message_spec.rb
index 379c3e1219c..41b93f08050 100644
--- a/spec/models/project_services/slack_service/note_message_spec.rb
+++ b/spec/models/project_services/slack_service/note_message_spec.rb
@@ -60,6 +60,7 @@ describe SlackService::NoteMessage, models: true do
           title: "merge request title\ndetails\n"
       }
     end
+
     it 'returns a message regarding notes on a merge request' do
       message = SlackService::NoteMessage.new(@args)
       expect(message.pretext).to eq("Test User commented on " \
diff --git a/spec/models/project_services/slack_service/wiki_page_message_spec.rb b/spec/models/project_services/slack_service/wiki_page_message_spec.rb
index 46dedb66c7c..13aea0b0600 100644
--- a/spec/models/project_services/slack_service/wiki_page_message_spec.rb
+++ b/spec/models/project_services/slack_service/wiki_page_message_spec.rb
@@ -47,7 +47,7 @@ describe SlackService::WikiPageMessage, models: true do
     context 'when :action == "create"' do
       before { args[:object_attributes][:action] = 'create' }
 
-      it 'it returns the attachment for a new wiki page' do
+      it 'returns the attachment for a new wiki page' do
         expect(subject.attachments).to eq([
           {
             text: "Wiki page description",
@@ -60,7 +60,7 @@ describe SlackService::WikiPageMessage, models: true do
     context 'when :action == "update"' do
       before { args[:object_attributes][:action] = 'update' }
 
-      it 'it returns the attachment for an updated wiki page' do
+      it 'returns the attachment for an updated wiki page' do
         expect(subject.attachments).to eq([
           {
             text: "Wiki page description",
diff --git a/spec/models/project_services/slack_service_spec.rb b/spec/models/project_services/slack_service_spec.rb
index df511b1bc4c..45a5f4ef12a 100644
--- a/spec/models/project_services/slack_service_spec.rb
+++ b/spec/models/project_services/slack_service_spec.rb
@@ -93,31 +93,31 @@ describe SlackService, models: true do
       @wiki_page_sample_data = wiki_page_service.hook_data(@wiki_page, 'create')
     end
 
-    it "should call Slack API for push events" do
+    it "calls Slack API for push events" do
       slack.execute(push_sample_data)
 
       expect(WebMock).to have_requested(:post, webhook_url).once
     end
 
-    it "should call Slack API for issue events" do
+    it "calls Slack API for issue events" do
       slack.execute(@issues_sample_data)
 
       expect(WebMock).to have_requested(:post, webhook_url).once
     end
 
-    it "should call Slack API for merge requests events" do
+    it "calls Slack API for merge requests events" do
       slack.execute(@merge_sample_data)
 
       expect(WebMock).to have_requested(:post, webhook_url).once
     end
 
-    it "should call Slack API for wiki page events" do
+    it "calls Slack API for wiki page events" do
       slack.execute(@wiki_page_sample_data)
 
       expect(WebMock).to have_requested(:post, webhook_url).once
     end
 
-    it 'should use the username as an option for slack when configured' do
+    it 'uses the username as an option for slack when configured' do
       allow(slack).to receive(:username).and_return(username)
       expect(Slack::Notifier).to receive(:new).
        with(webhook_url, username: username).
@@ -128,7 +128,7 @@ describe SlackService, models: true do
       slack.execute(push_sample_data)
     end
 
-    it 'should use the channel as an option when it is configured' do
+    it 'uses the channel as an option when it is configured' do
       allow(slack).to receive(:channel).and_return(channel)
       expect(Slack::Notifier).to receive(:new).
         with(webhook_url, channel: channel).
@@ -234,7 +234,7 @@ describe SlackService, models: true do
                                 note: 'a comment on a commit')
       end
 
-      it "should call Slack API for commit comment events" do
+      it "calls Slack API for commit comment events" do
         data = Gitlab::NoteDataBuilder.build(commit_note, user)
         slack.execute(data)
 
@@ -248,7 +248,7 @@ describe SlackService, models: true do
                                        note: "merge request note")
       end
 
-      it "should call Slack API for merge request comment events" do
+      it "calls Slack API for merge request comment events" do
         data = Gitlab::NoteDataBuilder.build(merge_request_note, user)
         slack.execute(data)
 
@@ -261,7 +261,7 @@ describe SlackService, models: true do
         create(:note_on_issue, project: project, note: "issue note")
       end
 
-      it "should call Slack API for issue comment events" do
+      it "calls Slack API for issue comment events" do
         data = Gitlab::NoteDataBuilder.build(issue_note, user)
         slack.execute(data)
 
@@ -275,7 +275,7 @@ describe SlackService, models: true do
                                          note: "snippet note")
       end
 
-      it "should call Slack API for snippet comment events" do
+      it "calls Slack API for snippet comment events" do
         data = Gitlab::NoteDataBuilder.build(snippet_note, user)
         slack.execute(data)
 
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index 9b017288488..9c3b4712cab 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -69,6 +69,7 @@ describe Project, models: true do
     it { is_expected.to include_module(Gitlab::ConfigHelper) }
     it { is_expected.to include_module(Gitlab::ShellAdapter) }
     it { is_expected.to include_module(Gitlab::VisibilityLevel) }
+    it { is_expected.to include_module(Gitlab::CurrentSettings) }
     it { is_expected.to include_module(Referable) }
     it { is_expected.to include_module(Sortable) }
   end
@@ -88,7 +89,7 @@ describe Project, models: true do
     it { is_expected.to validate_presence_of(:namespace) }
     it { is_expected.to validate_presence_of(:repository_storage) }
 
-    it 'should not allow new projects beyond user limits' do
+    it 'does not allow new projects beyond user limits' do
       project2 = build(:project)
       allow(project2).to receive(:creator).and_return(double(can_create_project?: false, projects_limit: 0).as_null_object)
       expect(project2).not_to be_valid
@@ -97,7 +98,7 @@ describe Project, models: true do
 
     describe 'wiki path conflict' do
       context "when the new path has been used by the wiki of other Project" do
-        it 'should have an error on the name attribute' do
+        it 'has an error on the name attribute' do
           new_project = build_stubbed(:project, namespace_id: project.namespace_id, path: "#{project.path}.wiki")
 
           expect(new_project).not_to be_valid
@@ -106,7 +107,7 @@ describe Project, models: true do
       end
 
       context "when the new wiki path has been used by the path of other Project" do
-        it 'should have an error on the name attribute' do
+        it 'has an error on the name attribute' do
           project_with_wiki_suffix = create(:project, path: 'foo.wiki')
           new_project = build_stubbed(:project, namespace_id: project_with_wiki_suffix.namespace_id, path: 'foo')
 
@@ -124,7 +125,7 @@ describe Project, models: true do
         allow(Gitlab.config.repositories).to receive(:storages).and_return(storages)
       end
 
-      it "should not allow repository storages that don't match a label in the configuration" do
+      it "does not allow repository storages that don't match a label in the configuration" do
         expect(project2).not_to be_valid
         expect(project2.errors[:repository_storage].first).to match(/is not included in the list/)
       end
@@ -171,12 +172,12 @@ describe Project, models: true do
   end
 
   describe 'project token' do
-    it 'should set an random token if none provided' do
+    it 'sets an random token if none provided' do
       project = FactoryGirl.create :empty_project, runners_token: ''
       expect(project.runners_token).not_to eq('')
     end
 
-    it 'should not set an random toke if one provided' do
+    it 'does not set an random toke if one provided' do
       project = FactoryGirl.create :empty_project, runners_token: 'my-token'
       expect(project.runners_token).to eq('my-token')
     end
@@ -224,7 +225,7 @@ describe Project, models: true do
     end
   end
 
-  it 'should return valid url to repo' do
+  it 'returns valid url to repo' do
     project = Project.new(path: 'somewhere')
     expect(project.url_to_repo).to eq(Gitlab.config.gitlab_shell.ssh_path_prefix + 'somewhere.git')
   end
@@ -245,12 +246,40 @@ describe Project, models: true do
     end
   end
 
+  describe "#new_issue_address" do
+    let(:project) { create(:empty_project, path: "somewhere") }
+    let(:user) { create(:user) }
+
+    context 'incoming email enabled' do
+      before do
+        stub_incoming_email_setting(enabled: true, address: "p+%{key}@gl.ab")
+      end
+
+      it 'returns the address to create a new issue' do
+        token = user.authentication_token
+        address = "p+#{project.namespace.path}/#{project.path}+#{token}@gl.ab"
+
+        expect(project.new_issue_address(user)).to eq(address)
+      end
+    end
+
+    context 'incoming email disabled' do
+      before do
+        stub_incoming_email_setting(enabled: false)
+      end
+
+      it 'returns nil' do
+        expect(project.new_issue_address(user)).to be_nil
+      end
+    end
+  end
+
   describe 'last_activity methods' do
     let(:project) { create(:project) }
     let(:last_event) { double(created_at: Time.now) }
 
     describe 'last_activity' do
-      it 'should alias last_activity to last_event' do
+      it 'alias last_activity to last_event' do
         allow(project).to receive(:last_event).and_return(last_event)
         expect(project.last_activity).to eq(last_event)
       end
@@ -321,13 +350,13 @@ describe Project, models: true do
     let(:prev_commit_id) { merge_request.commits.last.id }
     let(:commit_id) { merge_request.commits.first.id }
 
-    it 'should close merge request if last commit from source branch was pushed to target branch' do
+    it 'closes merge request if last commit from source branch was pushed to target branch' do
       project.update_merge_requests(prev_commit_id, commit_id, "refs/heads/#{merge_request.target_branch}", key.user)
       merge_request.reload
       expect(merge_request.merged?).to be_truthy
     end
 
-    it 'should update merge request commits with new one if pushed to source branch' do
+    it 'updates merge request commits with new one if pushed to source branch' do
       project.update_merge_requests(prev_commit_id, commit_id, "refs/heads/#{merge_request.source_branch}", key.user)
       merge_request.reload
       expect(merge_request.diff_head_sha).to eq(commit_id)
@@ -372,6 +401,24 @@ describe Project, models: true do
 
       it { expect(@project.to_param).to eq('gitlabhq') }
     end
+
+    context 'with invalid path' do
+      it 'returns previous path to keep project suitable for use in URLs when persisted' do
+        project = create(:empty_project, path: 'gitlab')
+        project.path = 'foo&bar'
+
+        expect(project).not_to be_valid
+        expect(project.to_param).to eq 'gitlab'
+      end
+
+      it 'returns current path when new record' do
+        project = build(:empty_project, path: 'gitlab')
+        project.path = 'foo&bar'
+
+        expect(project).not_to be_valid
+        expect(project.to_param).to eq 'foo&bar'
+      end
+    end
   end
 
   describe '#repository' do
@@ -386,11 +433,11 @@ describe Project, models: true do
     let(:project) { create(:project) }
     let(:ext_project) { create(:redmine_project) }
 
-    it "should be true if used internal tracker" do
+    it "is true if used internal tracker" do
       expect(project.default_issues_tracker?).to be_truthy
     end
 
-    it "should be false if used other tracker" do
+    it "is false if used other tracker" do
       expect(ext_project.default_issues_tracker?).to be_falsey
     end
   end
@@ -589,12 +636,12 @@ describe Project, models: true do
   describe '#avatar_type' do
     let(:project) { create(:project) }
 
-    it 'should be true if avatar is image' do
+    it 'is true if avatar is image' do
       project.update_attribute(:avatar, 'uploads/avatar.png')
       expect(project.avatar_type).to be_truthy
     end
 
-    it 'should be false if avatar is html page' do
+    it 'is false if avatar is html page' do
       project.update_attribute(:avatar, 'uploads/avatar.html')
       expect(project.avatar_type).to eq(['only images allowed'])
     end
@@ -667,6 +714,20 @@ describe Project, models: true do
     it { expect(project.builds_enabled?).to be_truthy }
   end
 
+  describe '.cached_count', caching: true do
+    let(:group)     { create(:group, :public) }
+    let!(:project1) { create(:empty_project, :public, group: group) }
+    let!(:project2) { create(:empty_project, :public, group: group) }
+
+    it 'returns total project count' do
+      expect(Project).to receive(:count).once.and_call_original
+
+      3.times do
+        expect(Project.cached_count).to eq(2)
+      end
+    end
+  end
+
   describe '.trending' do
     let(:group)    { create(:group, :public) }
     let(:project1) { create(:empty_project, :public, group: group) }
@@ -767,16 +828,16 @@ describe Project, models: true do
     context 'for shared runners disabled' do
       let(:shared_runners_enabled) { false }
 
-      it 'there are no runners available' do
+      it 'has no runners available' do
         expect(project.any_runners?).to be_falsey
       end
 
-      it 'there is a specific runner' do
+      it 'has a specific runner' do
         project.runners << specific_runner
         expect(project.any_runners?).to be_truthy
       end
 
-      it 'there is a shared runner, but they are prohibited to use' do
+      it 'has a shared runner, but they are prohibited to use' do
         shared_runner
         expect(project.any_runners?).to be_falsey
       end
@@ -790,7 +851,7 @@ describe Project, models: true do
     context 'for shared runners enabled' do
       let(:shared_runners_enabled) { true }
 
-      it 'there is a shared runner' do
+      it 'has a shared runner' do
         shared_runner
         expect(project.any_runners?).to be_truthy
       end
@@ -1024,68 +1085,97 @@ describe Project, models: true do
   end
 
   describe '#protected_branch?' do
-    let(:project) { create(:empty_project) }
+    context 'existing project' do
+      let(:project) { create(:project) }
 
-    it 'returns true when the branch matches a protected branch via direct match' do
-      project.protected_branches.create!(name: 'foo')
+      it 'returns true when the branch matches a protected branch via direct match' do
+        project.protected_branches.create!(name: 'foo')
 
-      expect(project.protected_branch?('foo')).to eq(true)
-    end
+        expect(project.protected_branch?('foo')).to eq(true)
+      end
 
-    it 'returns true when the branch matches a protected branch via wildcard match' do
-      project.protected_branches.create!(name: 'production/*')
+      it 'returns true when the branch matches a protected branch via wildcard match' do
+        project.protected_branches.create!(name: 'production/*')
 
-      expect(project.protected_branch?('production/some-branch')).to eq(true)
-    end
+        expect(project.protected_branch?('production/some-branch')).to eq(true)
+      end
 
-    it 'returns false when the branch does not match a protected branch via direct match' do
-      expect(project.protected_branch?('foo')).to eq(false)
-    end
+      it 'returns false when the branch does not match a protected branch via direct match' do
+        expect(project.protected_branch?('foo')).to eq(false)
+      end
 
-    it 'returns false when the branch does not match a protected branch via wildcard match' do
-      project.protected_branches.create!(name: 'production/*')
+      it 'returns false when the branch does not match a protected branch via wildcard match' do
+        project.protected_branches.create!(name: 'production/*')
 
-      expect(project.protected_branch?('staging/some-branch')).to eq(false)
+        expect(project.protected_branch?('staging/some-branch')).to eq(false)
+      end
     end
-  end
 
-  describe "#developers_can_push_to_protected_branch?" do
-    let(:project) { create(:empty_project) }
+    context "new project" do
+      let(:project) { create(:empty_project) }
 
-    context "when the branch matches a protected branch via direct match" do
-      it "returns true if 'Developers can Push' is turned on" do
-        create(:protected_branch, name: "production", project: project, developers_can_push: true)
+      it 'returns false when default_protected_branch is unprotected' do
+        stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_NONE)
 
-        expect(project.developers_can_push_to_protected_branch?('production')).to be true
+        expect(project.protected_branch?('master')).to be false
       end
 
-      it "returns false if 'Developers can Push' is turned off" do
-        create(:protected_branch, name: "production", project: project, developers_can_push: false)
+      it 'returns false when default_protected_branch lets developers push' do
+        stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_DEV_CAN_PUSH)
 
-        expect(project.developers_can_push_to_protected_branch?('production')).to be false
+        expect(project.protected_branch?('master')).to be false
       end
-    end
 
-    context "when the branch matches a protected branch via wilcard match" do
-      it "returns true if 'Developers can Push' is turned on" do
-        create(:protected_branch, name: "production/*", project: project, developers_can_push: true)
+      it 'returns true when default_branch_protection does not let developers push but let developer merge branches' do
+        stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_DEV_CAN_MERGE)
 
-        expect(project.developers_can_push_to_protected_branch?('production/some-branch')).to be true
+        expect(project.protected_branch?('master')).to be true
       end
 
-      it "returns false if 'Developers can Push' is turned off" do
-        create(:protected_branch, name: "production/*", project: project, developers_can_push: false)
+      it 'returns true when default_branch_protection is in full protection' do
+        stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_FULL)
 
-        expect(project.developers_can_push_to_protected_branch?('production/some-branch')).to be false
+        expect(project.protected_branch?('master')).to be true
       end
     end
+  end
+
+  describe '#user_can_push_to_empty_repo?' do
+    let(:project) { create(:empty_project) }
+    let(:user)    { create(:user) }
+
+    it 'returns false when default_branch_protection is in full protection and user is developer' do
+      project.team << [user, :developer]
+      stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_FULL)
+
+      expect(project.user_can_push_to_empty_repo?(user)).to be_falsey
+    end
 
-    context "when the branch does not match a protected branch" do
-      it "returns false" do
-        create(:protected_branch, name: "production/*", project: project, developers_can_push: true)
+    it 'returns false when default_branch_protection only lets devs merge and user is dev' do
+      project.team << [user, :developer]
+      stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_DEV_CAN_MERGE)
 
-        expect(project.developers_can_push_to_protected_branch?('staging/some-branch')).to be false
-      end
+      expect(project.user_can_push_to_empty_repo?(user)).to be_falsey
+    end
+
+    it 'returns true when default_branch_protection lets devs push and user is developer' do
+      project.team << [user, :developer]
+      stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_DEV_CAN_PUSH)
+
+      expect(project.user_can_push_to_empty_repo?(user)).to be_truthy
+    end
+
+    it 'returns true when default_branch_protection is unprotected and user is developer' do
+      project.team << [user, :developer]
+      stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_NONE)
+
+      expect(project.user_can_push_to_empty_repo?(user)).to be_truthy
+    end
+
+    it 'returns true when user is master' do
+      project.team << [user, :master]
+
+      expect(project.user_can_push_to_empty_repo?(user)).to be_truthy
     end
   end
 
@@ -1244,6 +1334,32 @@ describe Project, models: true do
     end
   end
 
+  describe '#add_import_job' do
+    context 'forked' do
+      let(:forked_project_link) { create(:forked_project_link) }
+      let(:forked_from_project) { forked_project_link.forked_from_project }
+      let(:project) { forked_project_link.forked_to_project }
+
+      it 'schedules a RepositoryForkWorker job' do
+        expect(RepositoryForkWorker).to receive(:perform_async).
+          with(project.id, forked_from_project.repository_storage_path,
+              forked_from_project.path_with_namespace, project.namespace.path)
+
+        project.add_import_job
+      end
+    end
+
+    context 'not forked' do
+      let(:project) { create(:project) }
+
+      it 'schedules a RepositoryImportWorker job' do
+        expect(RepositoryImportWorker).to receive(:perform_async).with(project.id)
+
+        project.add_import_job
+      end
+    end
+  end
+
   describe '.where_paths_in' do
     context 'without any paths' do
       it 'returns an empty relation' do
diff --git a/spec/models/project_team_spec.rb b/spec/models/project_team_spec.rb
index 9262aeb6ed8..5eaf0d3b7a6 100644
--- a/spec/models/project_team_spec.rb
+++ b/spec/models/project_team_spec.rb
@@ -151,8 +151,8 @@ describe ProjectTeam, models: true do
         it { expect(project.team.max_member_access(master.id)).to eq(Gitlab::Access::MASTER) }
         it { expect(project.team.max_member_access(reporter.id)).to eq(Gitlab::Access::REPORTER) }
         it { expect(project.team.max_member_access(guest.id)).to eq(Gitlab::Access::GUEST) }
-        it { expect(project.team.max_member_access(nonmember.id)).to be_nil }
-        it { expect(project.team.max_member_access(requester.id)).to be_nil }
+        it { expect(project.team.max_member_access(nonmember.id)).to eq(Gitlab::Access::NO_ACCESS) }
+        it { expect(project.team.max_member_access(requester.id)).to eq(Gitlab::Access::NO_ACCESS) }
       end
 
       context 'when project is shared with group' do
@@ -168,14 +168,14 @@ describe ProjectTeam, models: true do
 
         it { expect(project.team.max_member_access(master.id)).to eq(Gitlab::Access::DEVELOPER) }
         it { expect(project.team.max_member_access(reporter.id)).to eq(Gitlab::Access::REPORTER) }
-        it { expect(project.team.max_member_access(nonmember.id)).to be_nil }
-        it { expect(project.team.max_member_access(requester.id)).to be_nil }
+        it { expect(project.team.max_member_access(nonmember.id)).to eq(Gitlab::Access::NO_ACCESS) }
+        it { expect(project.team.max_member_access(requester.id)).to eq(Gitlab::Access::NO_ACCESS) }
 
         context 'but share_with_group_lock is true' do
           before { project.namespace.update(share_with_group_lock: true) }
 
-          it { expect(project.team.max_member_access(master.id)).to be_nil }
-          it { expect(project.team.max_member_access(reporter.id)).to be_nil }
+          it { expect(project.team.max_member_access(master.id)).to eq(Gitlab::Access::NO_ACCESS) }
+          it { expect(project.team.max_member_access(reporter.id)).to eq(Gitlab::Access::NO_ACCESS) }
         end
       end
     end
@@ -194,8 +194,74 @@ describe ProjectTeam, models: true do
       it { expect(project.team.max_member_access(master.id)).to eq(Gitlab::Access::MASTER) }
       it { expect(project.team.max_member_access(reporter.id)).to eq(Gitlab::Access::REPORTER) }
       it { expect(project.team.max_member_access(guest.id)).to eq(Gitlab::Access::GUEST) }
-      it { expect(project.team.max_member_access(nonmember.id)).to be_nil }
-      it { expect(project.team.max_member_access(requester.id)).to be_nil }
+      it { expect(project.team.max_member_access(nonmember.id)).to eq(Gitlab::Access::NO_ACCESS) }
+      it { expect(project.team.max_member_access(requester.id)).to eq(Gitlab::Access::NO_ACCESS) }
     end
   end
+
+  shared_examples_for "#max_member_access_for_users" do |enable_request_store|
+    describe "#max_member_access_for_users" do
+      before do
+        RequestStore.begin! if enable_request_store
+      end
+
+      after do
+        if enable_request_store
+          RequestStore.end!
+          RequestStore.clear!
+        end
+      end
+
+      it 'returns correct roles for different users' do
+        master = create(:user)
+        reporter = create(:user)
+        promoted_guest = create(:user)
+        guest = create(:user)
+        project = create(:project)
+
+        project.team << [master, :master]
+        project.team << [reporter, :reporter]
+        project.team << [promoted_guest, :guest]
+        project.team << [guest, :guest]
+
+        group = create(:group)
+        group_developer = create(:user)
+        second_developer = create(:user)
+        project.project_group_links.create(
+          group: group,
+          group_access: Gitlab::Access::DEVELOPER)
+
+        group.add_master(promoted_guest)
+        group.add_developer(group_developer)
+        group.add_developer(second_developer)
+
+        second_group = create(:group)
+        project.project_group_links.create(
+          group: second_group,
+          group_access: Gitlab::Access::MASTER)
+        second_group.add_master(second_developer)
+
+        users = [master, reporter, promoted_guest, guest, group_developer, second_developer].map(&:id)
+
+        expected = {
+          master.id => Gitlab::Access::MASTER,
+          reporter.id => Gitlab::Access::REPORTER,
+          promoted_guest.id => Gitlab::Access::DEVELOPER,
+          guest.id => Gitlab::Access::GUEST,
+          group_developer.id => Gitlab::Access::DEVELOPER,
+          second_developer.id => Gitlab::Access::MASTER
+        }
+
+        expect(project.team.max_member_access_for_user_ids(users)).to eq(expected)
+      end
+    end
+  end
+
+  describe '#max_member_access_for_users with RequestStore' do
+    it_behaves_like "#max_member_access_for_users", true
+  end
+
+  describe '#max_member_access_for_users without RequestStore' do
+    it_behaves_like "#max_member_access_for_users", false
+  end
 end
diff --git a/spec/models/repository_spec.rb b/spec/models/repository_spec.rb
index 881ab5ff8dc..f7dbfd712cc 100644
--- a/spec/models/repository_spec.rb
+++ b/spec/models/repository_spec.rb
@@ -50,8 +50,9 @@ describe Repository, models: true do
           double_first = double(committed_date: Time.now)
           double_last = double(committed_date: Time.now - 1.second)
 
-          allow(repository).to receive(:commit).with(tag_a.target).and_return(double_first)
-          allow(repository).to receive(:commit).with(tag_b.target).and_return(double_last)
+          allow(tag_a).to receive(:target).and_return(double_first)
+          allow(tag_b).to receive(:target).and_return(double_last)
+          allow(repository).to receive(:tags).and_return([tag_a, tag_b])
         end
 
         it { is_expected.to eq(['v1.0.0', 'v1.1.0']) }
@@ -64,8 +65,9 @@ describe Repository, models: true do
           double_first = double(committed_date: Time.now - 1.second)
           double_last = double(committed_date: Time.now)
 
-          allow(repository).to receive(:commit).with(tag_a.target).and_return(double_last)
-          allow(repository).to receive(:commit).with(tag_b.target).and_return(double_first)
+          allow(tag_a).to receive(:target).and_return(double_last)
+          allow(tag_b).to receive(:target).and_return(double_first)
+          allow(repository).to receive(:tags).and_return([tag_a, tag_b])
         end
 
         it { is_expected.to eq(['v1.1.0', 'v1.0.0']) }
@@ -338,14 +340,14 @@ describe Repository, models: true do
 
   describe '#add_branch' do
     context 'when pre hooks were successful' do
-      it 'should run without errors' do
+      it 'runs without errors' do
         hook = double(trigger: [true, nil])
         expect(Gitlab::Git::Hook).to receive(:new).exactly(3).times.and_return(hook)
 
         expect { repository.add_branch(user, 'new_feature', 'master') }.not_to raise_error
       end
 
-      it 'should create the branch' do
+      it 'creates the branch' do
         allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([true, nil])
 
         branch = repository.add_branch(user, 'new_feature', 'master')
@@ -361,7 +363,7 @@ describe Repository, models: true do
     end
 
     context 'when pre hooks failed' do
-      it 'should get an error' do
+      it 'gets an error' do
         allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([false, ''])
 
         expect do
@@ -369,7 +371,7 @@ describe Repository, models: true do
         end.to raise_error(GitHooksService::PreReceiveError)
       end
 
-      it 'should not create the branch' do
+      it 'does not create the branch' do
         allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([false, ''])
 
         expect do
@@ -381,14 +383,18 @@ describe Repository, models: true do
   end
 
   describe '#rm_branch' do
+    let(:old_rev) { '0b4bc9a49b562e85de7cc9e834518ea6828729b9' } # git rev-parse feature
+    let(:blank_sha) { '0000000000000000000000000000000000000000' }
+
     context 'when pre hooks were successful' do
-      it 'should run without errors' do
-        allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([true, nil])
+      it 'runs without errors' do
+        expect_any_instance_of(GitHooksService).to receive(:execute).
+          with(user, project.repository.path_to_repo, old_rev, blank_sha, 'refs/heads/feature')
 
         expect { repository.rm_branch(user, 'feature') }.not_to raise_error
       end
 
-      it 'should delete the branch' do
+      it 'deletes the branch' do
         allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([true, nil])
 
         expect { repository.rm_branch(user, 'feature') }.not_to raise_error
@@ -398,7 +404,7 @@ describe Repository, models: true do
     end
 
     context 'when pre hooks failed' do
-      it 'should get an error' do
+      it 'gets an error' do
         allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([false, ''])
 
         expect do
@@ -406,7 +412,7 @@ describe Repository, models: true do
         end.to raise_error(GitHooksService::PreReceiveError)
       end
 
-      it 'should not delete the branch' do
+      it 'does not delete the branch' do
         allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([false, ''])
 
         expect do
@@ -418,27 +424,38 @@ describe Repository, models: true do
   end
 
   describe '#commit_with_hooks' do
+    let(:old_rev) { '0b4bc9a49b562e85de7cc9e834518ea6828729b9' } # git rev-parse feature
+
     context 'when pre hooks were successful' do
       before do
         expect_any_instance_of(GitHooksService).to receive(:execute).
-          and_return(true)
+          with(user, repository.path_to_repo, old_rev, sample_commit.id, 'refs/heads/feature').
+          and_yield.and_return(true)
       end
 
-      it 'should run without errors' do
+      it 'runs without errors' do
         expect do
           repository.commit_with_hooks(user, 'feature') { sample_commit.id }
         end.not_to raise_error
       end
 
-      it 'should ensure the autocrlf Git option is set to :input' do
+      it 'ensures the autocrlf Git option is set to :input' do
         expect(repository).to receive(:update_autocrlf_option)
 
         repository.commit_with_hooks(user, 'feature') { sample_commit.id }
       end
+
+      context "when the branch wasn't empty" do
+        it 'updates the head' do
+          expect(repository.find_branch('feature').target.id).to eq(old_rev)
+          repository.commit_with_hooks(user, 'feature') { sample_commit.id }
+          expect(repository.find_branch('feature').target.id).to eq(sample_commit.id)
+        end
+      end
     end
 
     context 'when pre hooks failed' do
-      it 'should get an error' do
+      it 'gets an error' do
         allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([false, ''])
 
         expect do
@@ -446,6 +463,43 @@ describe Repository, models: true do
         end.to raise_error(GitHooksService::PreReceiveError)
       end
     end
+
+    context 'when target branch is different from source branch' do
+      before do
+        allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([true, ''])
+      end
+
+      it 'expires branch cache' do
+        expect(repository).not_to receive(:expire_exists_cache)
+        expect(repository).not_to receive(:expire_root_ref_cache)
+        expect(repository).not_to receive(:expire_emptiness_caches)
+        expect(repository).to     receive(:expire_branches_cache)
+        expect(repository).to     receive(:expire_has_visible_content_cache)
+        expect(repository).to     receive(:expire_branch_count_cache)
+
+        repository.commit_with_hooks(user, 'new-feature') { sample_commit.id }
+      end
+    end
+
+    context 'when repository is empty' do
+      before do
+        allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([true, ''])
+      end
+
+      it 'expires creation and branch cache' do
+        empty_repository = create(:empty_project, :empty_repo).repository
+
+        expect(empty_repository).to receive(:expire_exists_cache)
+        expect(empty_repository).to receive(:expire_root_ref_cache)
+        expect(empty_repository).to receive(:expire_emptiness_caches)
+        expect(empty_repository).to receive(:expire_branches_cache)
+        expect(empty_repository).to receive(:expire_has_visible_content_cache)
+        expect(empty_repository).to receive(:expire_branch_count_cache)
+
+        empty_repository.commit_file(user, 'CHANGELOG', 'Changelog!',
+                                     'Updates file content', 'master', false)
+      end
+    end
   end
 
   describe '#exists?' do
@@ -661,7 +715,7 @@ describe Repository, models: true do
   end
 
   describe '#merge' do
-    it 'should merge the code and return the commit id' do
+    it 'merges the code and return the commit id' do
       expect(merge_commit).to be_present
       expect(repository.blob_at(merge_commit.id, 'files/ruby/feature.rb')).to be_present
     end
@@ -672,13 +726,13 @@ describe Repository, models: true do
     let(:update_image_commit) { repository.commit('2f63565e7aac07bcdadb654e253078b727143ec4') }
 
     context 'when there is a conflict' do
-      it 'should abort the operation' do
+      it 'aborts the operation' do
         expect(repository.revert(user, new_image_commit, 'master')).to eq(false)
       end
     end
 
     context 'when commit was already reverted' do
-      it 'should abort the operation' do
+      it 'aborts the operation' do
         repository.revert(user, update_image_commit, 'master')
 
         expect(repository.revert(user, update_image_commit, 'master')).to eq(false)
@@ -686,13 +740,13 @@ describe Repository, models: true do
     end
 
     context 'when commit can be reverted' do
-      it 'should revert the changes' do
+      it 'reverts the changes' do
         expect(repository.revert(user, update_image_commit, 'master')).to be_truthy
       end
     end
 
     context 'reverting a merge commit' do
-      it 'should revert the changes' do
+      it 'reverts the changes' do
         merge_commit
         expect(repository.blob_at_branch('master', 'files/ruby/feature.rb')).to be_present
 
@@ -708,13 +762,13 @@ describe Repository, models: true do
     let(:pickable_merge) { repository.commit('e56497bb5f03a90a51293fc6d516788730953899') }
 
     context 'when there is a conflict' do
-      it 'should abort the operation' do
+      it 'aborts the operation' do
         expect(repository.cherry_pick(user, conflict_commit, 'master')).to eq(false)
       end
     end
 
     context 'when commit was already cherry-picked' do
-      it 'should abort the operation' do
+      it 'aborts the operation' do
         repository.cherry_pick(user, pickable_commit, 'master')
 
         expect(repository.cherry_pick(user, pickable_commit, 'master')).to eq(false)
@@ -722,13 +776,13 @@ describe Repository, models: true do
     end
 
     context 'when commit can be cherry-picked' do
-      it 'should cherry-pick the changes' do
+      it 'cherry-picks the changes' do
         expect(repository.cherry_pick(user, pickable_commit, 'master')).to be_truthy
       end
     end
 
     context 'cherry-picking a merge commit' do
-      it 'should cherry-pick the changes' do
+      it 'cherry-picks the changes' do
         expect(repository.blob_at_branch('master', 'foo/bar/.gitkeep')).to be_nil
 
         repository.cherry_pick(user, pickable_merge, 'master')
@@ -1100,7 +1154,7 @@ describe Repository, models: true do
       it 'does not flush the cache if the commit does not change any logos' do
         diff = double(:diff, new_path: 'test.txt')
 
-        expect(commit).to receive(:diffs).and_return([diff])
+        expect(commit).to receive(:raw_diffs).and_return([diff])
         expect(cache).not_to receive(:expire)
 
         repository.expire_avatar_cache(repository.root_ref, '123')
@@ -1109,7 +1163,7 @@ describe Repository, models: true do
       it 'flushes the cache if the commit changes any of the logos' do
         diff = double(:diff, new_path: Repository::AVATAR_FILES[0])
 
-        expect(commit).to receive(:diffs).and_return([diff])
+        expect(commit).to receive(:raw_diffs).and_return([diff])
         expect(cache).to receive(:expire).with(:avatar)
 
         repository.expire_avatar_cache(repository.root_ref, '123')
@@ -1161,17 +1215,6 @@ describe Repository, models: true do
     end
   end
 
-  describe '#local_branches' do
-    it 'returns the local branches' do
-      masterrev = repository.find_branch('master').target
-      create_remote_branch('joe', 'remote_branch', masterrev)
-      repository.add_branch(user, 'local_branch', masterrev)
-
-      expect(repository.local_branches.any? { |branch| branch.name == 'remote_branch' }).to eq(false)
-      expect(repository.local_branches.any? { |branch| branch.name == 'local_branch' }).to eq(true)
-    end
-  end
-
   describe "#keep_around" do
     it "does not fail if we attempt to reference bad commit" do
       expect(repository.kept_around?('abc1234')).to be_falsey
@@ -1199,9 +1242,4 @@ describe Repository, models: true do
       File.delete(path)
     end
   end
-
-  def create_remote_branch(remote_name, branch_name, target)
-    rugged = repository.rugged
-    rugged.references.create("refs/remotes/#{remote_name}/#{branch_name}", target)
-  end
 end
diff --git a/spec/models/service_spec.rb b/spec/models/service_spec.rb
index 67b3783d514..05056a4bb47 100644
--- a/spec/models/service_spec.rb
+++ b/spec/models/service_spec.rb
@@ -65,13 +65,13 @@ describe Service, models: true do
       end
       let(:project) { create(:project) }
 
-      describe 'should be prefilled for projects pushover service' do
+      describe 'is prefilled for projects pushover service' do
         before do
           service_template
           project.build_missing_services
         end
 
-        it "should have all fields prefilled" do
+        it "has all fields prefilled" do
           service = project.pushover_service
           expect(service.template).to eq(false)
           expect(service.device).to eq('MyDevice')
diff --git a/spec/models/user_agent_detail_spec.rb b/spec/models/user_agent_detail_spec.rb
new file mode 100644
index 00000000000..a8c25766e73
--- /dev/null
+++ b/spec/models/user_agent_detail_spec.rb
@@ -0,0 +1,31 @@
+require 'rails_helper'
+
+describe UserAgentDetail, type: :model do
+  describe '.submittable?' do
+    it 'is submittable when not already submitted' do
+      detail = build(:user_agent_detail)
+
+      expect(detail.submittable?).to be_truthy
+    end
+
+    it 'is not submittable when already submitted' do
+      detail = build(:user_agent_detail, submitted: true)
+
+      expect(detail.submittable?).to be_falsey
+    end
+  end
+
+  describe '.valid?' do
+    it 'is valid with a subject' do
+      detail = build(:user_agent_detail)
+
+      expect(detail).to be_valid
+    end
+
+    it 'is invalid without a subject' do
+      detail = build(:user_agent_detail, subject: nil)
+
+      expect(detail).not_to be_valid
+    end
+  end
+end
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 2a5a7fb2fc6..f67acbbef37 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -166,7 +166,7 @@ describe User, models: true do
             allow_any_instance_of(ApplicationSetting).to receive(:domain_whitelist).and_return(['*.example.com'])
           end
 
-          it 'should give priority to whitelist and allow info@test.example.com' do
+          it 'gives priority to whitelist and allow info@test.example.com' do
             user = build(:user, email: 'info@test.example.com')
             expect(user).to be_valid
           end
@@ -304,18 +304,18 @@ describe User, models: true do
   end
 
   describe '#generate_password' do
-    it "should execute callback when force_random_password specified" do
+    it "executes callback when force_random_password specified" do
       user = build(:user, force_random_password: true)
       expect(user).to receive(:generate_password)
       user.save
     end
 
-    it "should not generate password by default" do
+    it "does not generate password by default" do
       user = create(:user, password: 'abcdefghe')
       expect(user.password).to eq('abcdefghe')
     end
 
-    it "should generate password when forcing random password" do
+    it "generates password when forcing random password" do
       allow(Devise).to receive(:friendly_token).and_return('123456789')
       user = create(:user, password: 'abcdefg', force_random_password: true)
       expect(user.password).to eq('12345678')
@@ -323,7 +323,7 @@ describe User, models: true do
   end
 
   describe 'authentication token' do
-    it "should have authentication token" do
+    it "has authentication token" do
       user = create(:user)
       expect(user.authentication_token).not_to be_blank
     end
@@ -430,7 +430,7 @@ describe User, models: true do
   describe 'blocking user' do
     let(:user) { create(:user, name: 'John Smith') }
 
-    it "should block user" do
+    it "blocks user" do
       user.block
       expect(user.blocked?).to be_truthy
     end
@@ -501,7 +501,7 @@ describe User, models: true do
     describe 'with defaults' do
       let(:user) { User.new }
 
-      it "should apply defaults to user" do
+      it "applies defaults to user" do
         expect(user.projects_limit).to eq(Gitlab.config.gitlab.default_projects_limit)
         expect(user.can_create_group).to eq(Gitlab.config.gitlab.default_can_create_group)
         expect(user.theme_id).to eq(Gitlab.config.gitlab.default_theme)
@@ -512,7 +512,7 @@ describe User, models: true do
     describe 'with default overrides' do
       let(:user) { User.new(projects_limit: 123, can_create_group: false, can_create_team: true, theme_id: 1) }
 
-      it "should apply defaults to user" do
+      it "applies defaults to user" do
         expect(user.projects_limit).to eq(123)
         expect(user.can_create_group).to be_falsey
         expect(user.theme_id).to eq(1)
@@ -602,7 +602,7 @@ describe User, models: true do
   describe 'by_username_or_id' do
     let(:user1) { create(:user, username: 'foo') }
 
-    it "should get the correct user" do
+    it "gets the correct user" do
       expect(User.by_username_or_id(user1.id)).to eq(user1)
       expect(User.by_username_or_id('foo')).to eq(user1)
       expect(User.by_username_or_id(-1)).to be_nil
@@ -614,7 +614,7 @@ describe User, models: true do
     let(:username) { 'John' }
     let!(:user) { create(:user, username: username) }
 
-    it 'should get the correct user' do
+    it 'gets the correct user' do
       expect(User.by_login(user.email.upcase)).to eq user
       expect(User.by_login(user.email)).to eq user
       expect(User.by_login(username.downcase)).to eq user
@@ -639,23 +639,23 @@ describe User, models: true do
   describe 'all_ssh_keys' do
     it { is_expected.to have_many(:keys).dependent(:destroy) }
 
-    it "should have all ssh keys" do
+    it "has all ssh keys" do
       user = create :user
       key = create :key, key: "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQD33bWLBxu48Sev9Fert1yzEO4WGcWglWF7K/AwblIUFselOt/QdOL9DSjpQGxLagO1s9wl53STIO8qGS4Ms0EJZyIXOEFMjFJ5xmjSy+S37By4sG7SsltQEHMxtbtFOaW5LV2wCrX+rUsRNqLMamZjgjcPO0/EgGCXIGMAYW4O7cwGZdXWYIhQ1Vwy+CsVMDdPkPgBXqK7nR/ey8KMs8ho5fMNgB5hBw/AL9fNGhRw3QTD6Q12Nkhl4VZES2EsZqlpNnJttnPdp847DUsT6yuLRlfiQfz5Cn9ysHFdXObMN5VYIiPFwHeYCZp1X2S4fDZooRE8uOLTfxWHPXwrhqSH", user_id: user.id
 
-      expect(user.all_ssh_keys).to include(key.key)
+      expect(user.all_ssh_keys).to include(a_string_starting_with(key.key))
     end
   end
 
   describe '#avatar_type' do
     let(:user) { create(:user) }
 
-    it "should be true if avatar is image" do
+    it "is true if avatar is image" do
       user.update_attribute(:avatar, 'uploads/avatar.png')
       expect(user.avatar_type).to be_truthy
     end
 
-    it "should be false if avatar is html page" do
+    it "is false if avatar is html page" do
       user.update_attribute(:avatar, 'uploads/avatar.html')
       expect(user.avatar_type).to eq(["only images allowed"])
     end
diff --git a/spec/models/wiki_page_spec.rb b/spec/models/wiki_page_spec.rb
index ddc49495eda..5c34b1b0a30 100644
--- a/spec/models/wiki_page_spec.rb
+++ b/spec/models/wiki_page_spec.rb
@@ -147,12 +147,12 @@ describe WikiPage, models: true do
       @page = wiki.find_page("Delete Page")
     end
 
-    it "should delete the page" do
+    it "deletes the page" do
       @page.delete
       expect(wiki.pages).to be_empty
     end
 
-    it "should return true" do
+    it "returns true" do
       expect(@page.delete).to eq(true)
     end
   end
@@ -183,7 +183,7 @@ describe WikiPage, models: true do
       destroy_page("Title")
     end
 
-    it "should be replace a hyphen to a space" do
+    it "replaces a hyphen to a space" do
       @page.title = "Import-existing-repositories-into-GitLab"
       expect(@page.title).to eq("Import existing repositories into GitLab")
     end