Merge branch '22286-fix-missing-status' into 'master'

Return created status

## What does this MR do?
Properly handles status created which results in 500 when viewing Merge Request pipelines.

## Are there points in the code the reviewer needs to double check?

## Why was this MR needed?

## Screenshots (if relevant)

## Does this MR meet the acceptance criteria?

- Tests
  - [x] Added for this feature/bug
  - [x] All builds are passing
- [x] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [x] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [x] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?
Closes #22286

See merge request !6404

app/models/concerns/has_status.rb

@@ -20,7 +20,7 @@ module HasStatus
       skipped = scope.skipped.select('count(*)').to_sql
 
       deduce_status = "(CASE
-        WHEN (#{builds})=(#{created}) THEN NULL
+        WHEN (#{builds})=(#{created}) THEN 'created'
         WHEN (#{builds})=(#{skipped}) THEN 'skipped'
         WHEN (#{builds})=(#{success})+(#{ignored})+(#{skipped}) THEN 'success'
         WHEN (#{builds})=(#{created})+(#{pending})+(#{skipped}) THEN 'pending'

spec/requests/api/commits_spec.rb

@@ -110,7 +110,7 @@ describe API::API, api: true  do
         get api("/projects/#{project.id}/repository/commits/#{project.repository.commit.id}", user)
 
         expect(response).to have_http_status(200)
-        expect(json_response['status']).to be_nil
+        expect(json_response['status']).to eq("created")
       end
     end
 

spec/views/projects/pipelines/show.html.haml_spec.rb

@@ -9,11 +9,13 @@ describe 'projects/pipelines/show' do
   before do
     controller.prepend_view_path('app/views/projects')
 
-    create_build('build', 0, 'build')
-    create_build('test', 1, 'rspec 0:2')
-    create_build('test', 1, 'rspec 1:2')
-    create_build('test', 1, 'audit')
-    create_build('deploy', 2, 'production')
+    create_build('build', 0, 'build', :success)
+    create_build('test', 1, 'rspec 0:2', :pending)
+    create_build('test', 1, 'rspec 1:2', :running)
+    create_build('test', 1, 'spinach 0:2', :created)
+    create_build('test', 1, 'spinach 1:2', :created)
+    create_build('test', 1, 'audit', :created)
+    create_build('deploy', 2, 'production', :created)
 
     create(:generic_commit_status, pipeline: pipeline, stage: 'external', name: 'jenkins', stage_idx: 3)
 
@@ -37,6 +39,7 @@ describe 'projects/pipelines/show' do
 
     # builds
     expect(rendered).to have_text('rspec')
+    expect(rendered).to have_text('spinach')
     expect(rendered).to have_text('rspec 0:2')
     expect(rendered).to have_text('production')
     expect(rendered).to have_text('jenkins')
@@ -44,7 +47,7 @@ describe 'projects/pipelines/show' do
 
   private
 
-  def create_build(stage, stage_idx, name)
-    create(:ci_build, pipeline: pipeline, stage: stage, stage_idx: stage_idx, name: name)
+  def create_build(stage, stage_idx, name, status)
+    create(:ci_build, pipeline: pipeline, stage: stage, stage_idx: stage_idx, name: name, status: status)
   end
 end