Merge remote-tracking branch 'upstream/master' into fix-git-hooks-when-creating-filefix-git-hooks-when-creating-file

* upstream/master: (190 commits)
  Remove unnecessary returns / unset variables from the CoffeeScript -> JS conversion.
  update spec
  Change the reply shortcut to focus the field even without a selection.
  use destroy_all
  Remove settings cog from within admin scroll tabs; keep links centered
  add changelog
  remove old project members from project
  add spec replicating validation error
  Fix small typo on new branch button spec
  Improve styling of the new issue message
  Don't capitalize environment name in show page
  Abillity to promote project labels to group labels
  Edited the column header for the environments list from created to updated and added created to environments detail page colum header titles
  Update and pin the `jwt` gem to ~> 1.5.6
  refactor merge request build service
  Update index.md
  Clarify that Auto Deploy requires a public project.
  19164 Add settings dropdown to mobile screens
  cop for gem fetched from a git source
  Add CHANGELOG entry
  ...

5 files changed, 128 insertions, 17 deletions

diff --git a/spec/controllers/explore/projects_controller_spec.rb b/spec/controllers/explore/projects_controller_spec.rb
new file mode 100644
index 00000000000..9dceeca168d
--- /dev/null
+++ b/spec/controllers/explore/projects_controller_spec.rb
@@ -0,0 +1,27 @@
+require 'spec_helper'
+
+describe Explore::ProjectsController do
+  describe 'GET #trending' do
+    context 'sorting by update date' do
+      let(:project1) { create(:empty_project, :public, updated_at: 3.days.ago) }
+      let(:project2) { create(:empty_project, :public, updated_at: 1.day.ago) }
+
+      before do
+        create(:trending_project, project: project1)
+        create(:trending_project, project: project2)
+      end
+
+      it 'sorts by last updated' do
+        get :trending, sort: 'updated_desc'
+
+        expect(assigns(:projects)).to eq [project2, project1]
+      end
+
+      it 'sorts by oldest updated' do
+        get :trending, sort: 'updated_asc'
+
+        expect(assigns(:projects)).to eq [project1, project2]
+      end
+    end
+  end
+end
diff --git a/spec/controllers/projects/commit_controller_spec.rb b/spec/controllers/projects/commit_controller_spec.rb
index a95cfc5c6be..ebd2d0e092b 100644
--- a/spec/controllers/projects/commit_controller_spec.rb
+++ b/spec/controllers/projects/commit_controller_spec.rb
@@ -4,7 +4,6 @@ describe Projects::CommitController do
   let(:project)  { create(:project, :repository) }
   let(:user)     { create(:user) }
   let(:commit)   { project.commit("master") }
-  let(:pipeline) { create(:ci_pipeline, project: project, commit: commit) }
   let(:master_pickable_sha) { '7d3b0f7cff5f37573aea97cebfd5692ea1689924' }
   let(:master_pickable_commit)  { project.commit(master_pickable_sha) }
 
@@ -322,11 +321,26 @@ describe Projects::CommitController do
     end
 
     context 'when the commit exists' do
-      context 'when the commit has one or more pipelines' do
-        it 'shows pipelines' do
-          get_pipelines(id: commit.id)
+      context 'when the commit has pipelines' do
+        before do
+          create(:ci_pipeline, project: project, sha: commit.id)
+        end
+
+        context 'when rendering a HTML format' do
+          it 'shows pipelines' do
+            get_pipelines(id: commit.id)
+
+            expect(response).to be_ok
+          end
+        end
 
-          expect(response).to be_ok
+        context 'when rendering a JSON format' do
+          it 'responds with serialized pipelines' do
+            get_pipelines(id: commit.id, format: :json)
+
+            expect(response).to be_ok
+            expect(JSON.parse(response.body)).not_to be_empty
+          end
         end
       end
     end
diff --git a/spec/controllers/projects/labels_controller_spec.rb b/spec/controllers/projects/labels_controller_spec.rb
index ec6cea5c0f4..3e0326dd47d 100644
--- a/spec/controllers/projects/labels_controller_spec.rb
+++ b/spec/controllers/projects/labels_controller_spec.rb
@@ -112,4 +112,49 @@ describe Projects::LabelsController do
       post :toggle_subscription, namespace_id: project.namespace.to_param, project_id: project.to_param, id: label.to_param
     end
   end
+
+  describe 'POST #promote' do
+    let!(:promoted_label_name) { "Promoted Label" }
+    let!(:label_1) { create(:label, title: promoted_label_name, project: project) }
+
+    context 'not group owner' do
+      it 'denies access' do
+        post :promote, namespace_id: project.namespace.to_param, project_id: project.to_param, id: label_1.to_param
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'group owner' do
+      before do
+        GroupMember.add_users_to_group(group, [user], :owner)
+      end
+
+      it 'gives access' do
+        post :promote, namespace_id: project.namespace.to_param, project_id: project.to_param, id: label_1.to_param
+
+        expect(response).to redirect_to(namespace_project_labels_path)
+      end
+
+      it 'promotes the label' do
+        post :promote, namespace_id: project.namespace.to_param, project_id: project.to_param, id: label_1.to_param
+
+        expect(Label.where(id: label_1.id)).to be_empty
+        expect(GroupLabel.find_by(title: promoted_label_name)).not_to be_nil
+      end
+
+      context 'service raising InvalidRecord' do
+        before do
+          expect_any_instance_of(Labels::PromoteService).to receive(:execute) do |label|
+            raise ActiveRecord::RecordInvalid.new(label_1)
+          end
+        end
+
+        it 'returns to label list' do
+          post :promote, namespace_id: project.namespace.to_param, project_id: project.to_param, id: label_1.to_param
+          expect(response).to redirect_to(namespace_project_labels_path)
+        end
+      end
+    end
+  end
 end
diff --git a/spec/controllers/projects/mattermosts_controller_spec.rb b/spec/controllers/projects/mattermosts_controller_spec.rb
index 2ae635a1244..cae733f0cfb 100644
--- a/spec/controllers/projects/mattermosts_controller_spec.rb
+++ b/spec/controllers/projects/mattermosts_controller_spec.rb
@@ -13,13 +13,13 @@ describe Projects::MattermostsController do
     before do
       allow_any_instance_of(MattermostSlashCommandsService).
         to receive(:list_teams).and_return([])
+    end
 
+    it 'accepts the request' do
       get(:new,
           namespace_id: project.namespace.to_param,
           project_id: project.to_param)
-    end
 
-    it 'accepts the request' do
       expect(response).to have_http_status(200)
     end
   end
diff --git a/spec/controllers/projects/merge_requests_controller_spec.rb b/spec/controllers/projects/merge_requests_controller_spec.rb
index 7ea3ea4f376..e019541e74f 100644
--- a/spec/controllers/projects/merge_requests_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests_controller_spec.rb
@@ -1,6 +1,8 @@
 require 'spec_helper'
 
 describe Projects::MergeRequestsController do
+  include ApiHelpers
+
   let(:project) { create(:project) }
   let(:user)    { create(:user) }
   let(:merge_request) { create(:merge_request_with_diffs, target_project: project, source_project: project) }
@@ -455,7 +457,7 @@ describe Projects::MergeRequestsController do
 
         it 'renders the diffs template to a string' do
           expect(response).to render_template('projects/merge_requests/show/_diffs')
-          expect(JSON.parse(response.body)).to have_key('html')
+          expect(json_response).to have_key('html')
         end
       end
 
@@ -494,7 +496,7 @@ describe Projects::MergeRequestsController do
 
         it 'renders the diffs template to a string' do
           expect(response).to render_template('projects/merge_requests/show/_diffs')
-          expect(JSON.parse(response.body)).to have_key('html')
+          expect(json_response).to have_key('html')
         end
       end
     end
@@ -662,18 +664,45 @@ describe Projects::MergeRequestsController do
         go format: 'json'
 
         expect(response).to render_template('projects/merge_requests/show/_commits')
-        expect(JSON.parse(response.body)).to have_key('html')
+        expect(json_response).to have_key('html')
       end
     end
   end
 
   describe 'GET pipelines' do
-    it_behaves_like "loads labels", :pipelines
+    before do
+      create(:ci_pipeline, project: merge_request.source_project,
+                           ref: merge_request.source_branch,
+                           sha: merge_request.diff_head_sha)
+    end
+
+    context 'when using HTML format' do
+      it_behaves_like "loads labels", :pipelines
+    end
+
+    context 'when using JSON format' do
+      before do
+        get :pipelines,
+            namespace_id: project.namespace.to_param,
+            project_id: project.to_param,
+            id: merge_request.iid,
+            format: :json
+      end
+
+      it 'responds with a rendered HTML partial' do
+        expect(response)
+          .to render_template('projects/merge_requests/show/_pipelines')
+        expect(json_response).to have_key 'html'
+      end
+
+      it 'responds with serialized pipelines' do
+        expect(json_response).to have_key 'pipelines'
+        expect(json_response['pipelines']).not_to be_empty
+      end
+    end
   end
 
   describe 'GET conflicts' do
-    let(:json_response) { JSON.parse(response.body) }
-
     context 'when the conflicts cannot be resolved in the UI' do
       before do
         allow_any_instance_of(Gitlab::Conflict::Parser).
@@ -770,8 +799,6 @@ describe Projects::MergeRequestsController do
   end
 
   describe 'GET conflict_for_path' do
-    let(:json_response) { JSON.parse(response.body) }
-
     def conflict_for_path(path)
       get :conflict_for_path,
           namespace_id: merge_request_with_conflicts.project.namespace.to_param,
@@ -826,7 +853,6 @@ describe Projects::MergeRequestsController do
   end
 
   context 'POST resolve_conflicts' do
-    let(:json_response) { JSON.parse(response.body) }
     let!(:original_head_sha) { merge_request_with_conflicts.diff_head_sha }
 
     def resolve_conflicts(files)
@@ -1024,7 +1050,6 @@ describe Projects::MergeRequestsController do
       let!(:forked)       { create(:project) }
       let!(:environment)  { create(:environment, project: forked) }
       let!(:deployment)   { create(:deployment, environment: environment, sha: forked.commit.id, ref: 'master') }
-      let(:json_response) { JSON.parse(response.body) }
       let(:admin)         { create(:admin) }
 
       let(:merge_request) do