Expose test reports with attachment on pipeline

app/controllers/projects/pipelines_controller.rb

@@ -172,9 +172,15 @@ class Projects::PipelinesController < Projects::ApplicationController
         if pipeline_test_report == :error
           render json: { status: :error_parsing_report }
         else
+          test_reports = if params[:scope] == "with_attachment"
+                           pipeline_test_report.with_attachment!
+                         else
+                           pipeline_test_report
+                         end
+
           render json: TestReportSerializer
             .new(current_user: @current_user)
-            .represent(pipeline_test_report)
+            .represent(test_reports)
         end
       end
     end

spec/controllers/projects/pipelines_controller_spec.rb

@@ -788,6 +788,28 @@ describe Projects::PipelinesController do
           expect(json_response['status']).to eq('error_parsing_report')
         end
       end
+
+      context 'when test_report contains attachment and scope is with_attachment as a URL param' do
+        let(:pipeline) { create(:ci_pipeline, :with_test_reports_attachment, project: project) }
+
+        it 'returns a test reports with attachment' do
+          get_test_report_json(scope: 'with_attachment')
+
+          expect(response).to have_gitlab_http_status(:ok)
+          expect(json_response["test_suites"]).to be_present
+        end
+      end
+
+      context 'when test_report does not contain attachment and scope is with_attachment as a URL param' do
+        let(:pipeline) { create(:ci_pipeline, :with_test_reports, project: project) }
+
+        it 'returns a test reports with empty values' do
+          get_test_report_json(scope: 'with_attachment')
+
+          expect(response).to have_gitlab_http_status(:ok)
+          expect(json_response["test_suites"]).to be_empty
+        end
+      end
     end
 
     context 'when feature is disabled' do
@@ -805,13 +827,18 @@ describe Projects::PipelinesController do
       end
     end
 
-    def get_test_report_json
-      get :test_report, params: {
+    def get_test_report_json(**args)
+      params = {
         namespace_id: project.namespace,
         project_id: project,
         id: pipeline.id
-      },
-      format: :json
+      }
+
+      params.merge!(args) if args
+
+      get :test_report,
+        params: params,
+        format: :json
     end
 
     def clear_controller_memoization

spec/factories/ci/builds.rb

@@ -311,6 +311,12 @@ FactoryBot.define do
       end
     end
 
+    trait :test_reports_with_attachment do
+      after(:build) do |build|
+        build.job_artifacts << create(:ci_job_artifact, :junit_with_attachment, job: build)
+      end
+    end
+
     trait :coverage_reports do
       after(:build) do |build|
         build.job_artifacts << create(:ci_job_artifact, :cobertura, job: build)

spec/factories/ci/job_artifacts.rb

@@ -99,6 +99,16 @@ FactoryBot.define do
       end
     end
 
+    trait :junit_with_attachment do
+      file_type { :junit }
+      file_format { :gzip }
+
+      after(:build) do |artifact, evaluator|
+        artifact.file = fixture_file_upload(
+          Rails.root.join('spec/fixtures/junit/junit_with_attachment.xml.gz'), 'application/x-gzip')
+      end
+    end
+
     trait :junit_with_ant do
       file_type { :junit }
       file_format { :gzip }

spec/factories/ci/pipelines.rb

@@ -67,6 +67,14 @@ FactoryBot.define do
         end
       end
 
+      trait :with_test_reports_attachment do
+        status { :success }
+
+        after(:build) do |pipeline, evaluator|
+          pipeline.builds << build(:ci_build, :test_reports_with_attachment, pipeline: pipeline, project: pipeline.project)
+        end
+      end
+
       trait :with_coverage_reports do
         status { :success }