Feature gate PipelinesController#test_report

app/controllers/projects/pipelines_controller.rb

@@ -154,6 +154,8 @@ class Projects::PipelinesController < Projects::ApplicationController
   end
 
   def test_report
+    return unless Feature.enabled?(:junit_pipeline_view, project)
+
     if pipeline_test_report == :error
       render json: { status: :error_parsing_report }
       return

spec/controllers/projects/pipelines_controller_spec.rb

@@ -408,6 +408,11 @@ describe Projects::PipelinesController do
       format: :json
     end
 
+    context 'when feature is enabled' do
+      before do
+        stub_feature_flags(junit_pipeline_view: true)
+      end
+
       context 'when pipeline does not have a test report' do
         let(:pipeline) { create(:ci_pipeline, project: project) }
 
@@ -447,6 +452,22 @@ describe Projects::PipelinesController do
       end
     end
 
+    context 'when feature is disabled' do
+      let(:pipeline) { create(:ci_empty_pipeline, project: project) }
+
+      before do
+        stub_feature_flags(junit_pipeline_view: false)
+      end
+
+      it 'renders empty response' do
+        get_test_report_json
+
+        expect(response).to have_gitlab_http_status(:no_content)
+        expect(response.body).to be_empty
+      end
+    end
+  end
+
   describe 'GET latest' do
     let(:branch_main) { project.repository.branches[0] }
     let(:branch_secondary) { project.repository.branches[1] }