Expose artifacts_expired to TestSuiteEntity

This commit exposes a new attribute to our TestSuiteEntity
which will be used to determine when junit artifacts have
expired when displaying TestCases.

app/controllers/projects/pipelines/tests_controller.rb

@@ -23,9 +23,13 @@ module Projects
       def show
         respond_to do |format|
           format.json do
-            render json: TestSuiteSerializer
-              .new(project: project, current_user: @current_user)
-              .represent(test_suite, details: true)
+            if Feature.enabled?(:ci_test_report_artifacts_expired, project, default_enabled: :yaml) && pipeline.has_expired_test_reports?
+              render json: { errors: 'Test report artifacts have expired' }, status: :not_found
+            else
+              render json: TestSuiteSerializer
+                .new(project: project, current_user: @current_user)
+                .represent(test_suite, details: true)
+            end
           end
         end
       end

app/models/ci/pipeline.rb

@@ -1285,6 +1285,12 @@ module Ci
       end
     end
 
+    def has_expired_test_reports?
+      strong_memoize(:artifacts_expired) do
+        !has_reports?(::Ci::JobArtifact.test_reports.not_expired)
+      end
+    end
+
     private
 
     def add_message(severity, content)

config/feature_flags/development/ci_test_report_artifacts_expired.yml

+---
+name: ci_test_report_artifacts_expired
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/83113
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/356773
+milestone: '14.10'
+type: development
+group: group::pipeline insights
+default_enabled: false

spec/controllers/projects/pipelines/tests_controller_spec.rb

@@ -40,28 +40,56 @@ RSpec.describe Projects::Pipelines::TestsController do
       let(:suite_name) { 'test' }
       let(:build_ids) { pipeline.latest_builds.pluck(:id) }
 
-      before do
-        build = main_pipeline.builds.last
-        build.update_column(:finished_at, 1.day.ago) # Just to be sure we are included in the report window
-
-        # The JUnit fixture for the given build has 3 failures.
-        # This service will create 1 test case failure record for each.
-        Ci::TestFailureHistoryService.new(main_pipeline).execute
+      context 'when artifacts are expired' do
+        before do
+          pipeline.job_artifacts.first.update!(expire_at: Date.yesterday)
+        end
+
+        it 'renders not_found errors', :aggregate_failures do
+          get_tests_show_json(build_ids)
+
+          expect(response).to have_gitlab_http_status(:not_found)
+          expect(json_response['errors']).to eq('Test report artifacts have expired')
+        end
+
+        context 'when ci_test_report_artifacts_expired is disabled' do
+          before do
+            stub_feature_flags(ci_test_report_artifacts_expired: false)
+          end
+          it 'renders test suite', :aggregate_failures do
+            get_tests_show_json(build_ids)
+
+            expect(response).to have_gitlab_http_status(:ok)
+            expect(json_response['name']).to eq('test')
+          end
+        end
       end
 
-      it 'renders test suite data' do
-        get_tests_show_json(build_ids)
-
-        expect(response).to have_gitlab_http_status(:ok)
-        expect(json_response['name']).to eq('test')
-
-        # Each test failure in this pipeline has a matching failure in the default branch
-        recent_failures = json_response['test_cases'].map { |tc| tc['recent_failures'] }
-        expect(recent_failures).to eq([
-          { 'count' => 1, 'base_branch' => 'master' },
-          { 'count' => 1, 'base_branch' => 'master' },
-          { 'count' => 1, 'base_branch' => 'master' }
-        ])
+      context 'when artifacts are not expired' do
+        before do
+          build = main_pipeline.builds.last
+          build.update_column(:finished_at, 1.day.ago) # Just to be sure we are included in the report window
+
+          # The JUnit fixture for the given build has 3 failures.
+          # This service will create 1 test case failure record for each.
+          Ci::TestFailureHistoryService.new(main_pipeline).execute
+        end
+
+        it 'renders test suite data', :aggregate_failures do
+          get_tests_show_json(build_ids)
+
+          expect(response).to have_gitlab_http_status(:ok)
+          expect(json_response['name']).to eq('test')
+          expect(json_response['artifacts_expired']).to be_falsey
+
+          # Each test failure in this pipeline has a matching failure in the default branch
+          recent_failures = json_response['test_cases'].map { |tc| tc['recent_failures'] }
+          expect(recent_failures).to eq([
+            { 'count' => 1, 'base_branch' => 'master' },
+            { 'count' => 1, 'base_branch' => 'master' },
+            { 'count' => 1, 'base_branch' => 'master' }
+          ])
+        end
       end
     end
 

spec/models/ci/pipeline_spec.rb

@@ -4713,6 +4713,24 @@ RSpec.describe Ci::Pipeline, :mailer, factory_default: :keep do
     end
   end
 
+  describe '#has_expired_test_reports?' do
+    subject { pipeline_with_test_report.has_expired_test_reports? }
+
+    let(:pipeline_with_test_report) { create(:ci_pipeline, :with_test_reports) }
+
+    context 'when artifacts are not expired' do
+      it { is_expected.to be_falsey }
+    end
+
+    context 'when artifacts are expired' do
+      before do
+        pipeline_with_test_report.job_artifacts.first.update!(expire_at: Date.yesterday)
+      end
+
+      it { is_expected.to be_truthy }
+    end
+  end
+
   it_behaves_like 'it has loose foreign keys' do
     let(:factory_name) { :ci_pipeline }
   end