1 files changed, 62 insertions, 0 deletions
diff --git a/spec/services/ci/pipeline_artifacts/create_code_quality_mr_diff_report_service_spec.rb b/spec/services/ci/pipeline_artifacts/create_code_quality_mr_diff_report_service_spec.rb
new file mode 100644
index 00000000000..0c48f15d726
--- /dev/null
+++ b/spec/services/ci/pipeline_artifacts/create_code_quality_mr_diff_report_service_spec.rb
@@ -0,0 +1,62 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe ::Ci::PipelineArtifacts::CreateCodeQualityMrDiffReportService do
+  describe '#execute' do
+    subject(:pipeline_artifact) { described_class.new.execute(pipeline) }
+
+    context 'when pipeline has codequality reports' do
+      let(:project) { create(:project, :repository) }
+
+      describe 'pipeline completed status' do
+        using RSpec::Parameterized::TableSyntax
+
+        where(:status, :result) do
+          :success   | 1
+          :failed    | 1
+          :canceled  | 1
+          :skipped   | 1
+        end
+
+        with_them do
+          let(:pipeline) { create(:ci_pipeline, :with_codequality_reports, status: status, project: project) }
+
+          it 'creates a pipeline artifact' do
+            expect { pipeline_artifact }.to change(Ci::PipelineArtifact, :count).by(result)
+          end
+
+          it 'persists the default file name' do
+            expect(pipeline_artifact.file.filename).to eq('code_quality_mr_diff.json')
+          end
+
+          it 'sets expire_at to 1 week' do
+            freeze_time do
+              expect(pipeline_artifact.expire_at).to eq(1.week.from_now)
+            end
+          end
+        end
+      end
+
+      context 'when pipeline artifact has already been created' do
+        let(:pipeline) { create(:ci_pipeline, :with_codequality_reports, project: project) }
+
+        it 'does not persist the same artifact twice' do
+          2.times { described_class.new.execute(pipeline) }
+
+          expect(Ci::PipelineArtifact.count).to eq(1)
+        end
+      end
+    end
+
+    context 'when pipeline is not completed and codequality report does not exist' do
+      let(:pipeline) { create(:ci_pipeline, :running) }
+
+      it 'does not persist data' do
+        pipeline_artifact
+
+        expect(Ci::PipelineArtifact.count).to eq(0)
+      end
+    end
+  end
+end