Add attached flag to pipeline entity

Add spec

Fix

Fix

Add changelog

Drop attached

Remove attached

Update changelog

ok

app/serializers/pipeline_entity.rb

@@ -28,7 +28,8 @@ class PipelineEntity < Grape::Entity
     expose :can_retry?, as: :retryable
     expose :can_cancel?, as: :cancelable
     expose :failure_reason?, as: :failure_reason
-    expose :detached_merge_request_pipeline?, as: :detached
+    expose :detached_merge_request_pipeline?, as: :detached_merge_request_pipeline
+    expose :merge_request_pipeline?, as: :merge_request_pipeline
   end
 
   expose :details do

changelogs/unreleased/fix-pipeline-entity.yml

+---
+title: Add merge request pipeline flag to pipeline entity
+merge_request: 25846
+author:
+type: added

spec/factories/merge_requests.rb

@@ -101,17 +101,36 @@ FactoryBot.define do
       end
     end
 
-    trait :with_merge_request_pipeline do
+    trait :with_detached_merge_request_pipeline do
       after(:build) do |merge_request|
         merge_request.merge_request_pipelines << build(:ci_pipeline,
           source: :merge_request_event,
           merge_request: merge_request,
           project: merge_request.source_project,
-          ref: merge_request.source_branch,
+          ref: merge_request.ref_path,
           sha: merge_request.source_branch_sha)
       end
     end
 
+    trait :with_merge_request_pipeline do
+      transient do
+        merge_sha { 'test-merge-sha' }
+        source_sha { source_branch_sha }
+        target_sha { target_branch_sha }
+      end
+
+      after(:build) do |merge_request, evaluator|
+        merge_request.merge_request_pipelines << create(:ci_pipeline,
+          source: :merge_request_event,
+          merge_request: merge_request,
+          project: merge_request.source_project,
+          ref: merge_request.merge_ref_path,
+          sha: evaluator.merge_sha,
+          source_sha: evaluator.source_sha,
+          target_sha: evaluator.target_sha)
+      end
+    end
+
     trait :deployed_review_app do
       target_branch 'pages-deploy-target'
 

spec/models/ci/build_spec.rb

@@ -2772,7 +2772,7 @@ describe Ci::Build do
     end
 
     context 'when ref is merge request' do
-      let(:merge_request) { create(:merge_request, :with_merge_request_pipeline) }
+      let(:merge_request) { create(:merge_request, :with_detached_merge_request_pipeline) }
       let(:pipeline) { merge_request.merge_request_pipelines.first }
       let(:build) { create(:ci_build, ref: merge_request.source_branch, tag: false, pipeline: pipeline, project: project) }
 
@@ -2830,7 +2830,7 @@ describe Ci::Build do
     end
 
     context 'when ref is merge request' do
-      let(:merge_request) { create(:merge_request, :with_merge_request_pipeline) }
+      let(:merge_request) { create(:merge_request, :with_detached_merge_request_pipeline) }
       let(:pipeline) { merge_request.merge_request_pipelines.first }
       let(:build) { create(:ci_build, ref: merge_request.source_branch, tag: false, pipeline: pipeline, project: project) }
 

spec/models/concerns/has_ref_spec.rb

@@ -18,7 +18,7 @@ describe HasRef do
       end
 
       context 'when it was triggered by merge request' do
-        let(:merge_request) { create(:merge_request, :with_merge_request_pipeline) }
+        let(:merge_request) { create(:merge_request, :with_detached_merge_request_pipeline) }
         let(:pipeline) { merge_request.merge_request_pipelines.first }
         let(:build) { create(:ci_build, pipeline: pipeline) }
 
@@ -67,7 +67,7 @@ describe HasRef do
     end
 
     context 'when it is triggered by a merge request' do
-      let(:merge_request) { create(:merge_request, :with_merge_request_pipeline) }
+      let(:merge_request) { create(:merge_request, :with_detached_merge_request_pipeline) }
       let(:pipeline) { merge_request.merge_request_pipelines.first }
       let(:build) { create(:ci_build, tag: false, pipeline: pipeline) }
 

spec/serializers/pipeline_entity_spec.rb

@@ -3,6 +3,7 @@ require 'spec_helper'
 describe PipelineEntity do
   include Gitlab::Routing
 
+  set(:project) { create(:project) }
   set(:user) { create(:user) }
   set(:project) { create(:project) }
   let(:request) { double('request') }
@@ -134,12 +135,12 @@ describe PipelineEntity do
     end
 
     context 'when pipeline is detached merge request pipeline' do
-      let(:merge_request) { create(:merge_request, :with_merge_request_pipeline) }
+      let(:merge_request) { create(:merge_request, :with_detached_merge_request_pipeline) }
       let(:project) { merge_request.target_project }
       let(:pipeline) { merge_request.merge_request_pipelines.first }
 
       it 'makes detached flag true' do
-        expect(subject[:flags][:detached]).to be_truthy
+        expect(subject[:flags][:detached_merge_request_pipeline]).to be_truthy
       end
 
       context 'when user is a developer' do
@@ -175,5 +176,19 @@ describe PipelineEntity do
         end
       end
     end
+
+    context 'when pipeline is merge request pipeline' do
+      let(:merge_request) { create(:merge_request, :with_merge_request_pipeline, merge_sha: 'abc') }
+      let(:project) { merge_request.target_project }
+      let(:pipeline) { merge_request.merge_request_pipelines.first }
+
+      it 'makes detached flag false' do
+        expect(subject[:flags][:detached_merge_request_pipeline]).to be_falsy
+      end
+
+      it 'makes atached flag true' do
+        expect(subject[:flags][:merge_request_pipeline]).to be_truthy
+      end
+    end
   end
 end

spec/serializers/pipeline_serializer_spec.rb

@@ -102,7 +102,7 @@ describe PipelineSerializer do
 
       let!(:merge_request_1) do
         create(:merge_request,
-          :with_merge_request_pipeline,
+          :with_detached_merge_request_pipeline,
           target_project: project,
           target_branch: 'master',
           source_project: project,
@@ -111,7 +111,7 @@ describe PipelineSerializer do
 
       let!(:merge_request_2) do
         create(:merge_request,
-          :with_merge_request_pipeline,
+          :with_detached_merge_request_pipeline,
           target_project: project,
           target_branch: 'master',
           source_project: project,