1 files changed, 82 insertions, 0 deletions
diff --git a/spec/models/merge_request_spec.rb b/spec/models/merge_request_spec.rb
index 7cadce12213..137795dcbc3 100644
--- a/spec/models/merge_request_spec.rb
+++ b/spec/models/merge_request_spec.rb
@@ -908,6 +908,16 @@ describe MergeRequest do
     end
   end
 
+  describe '#new_paths' do
+    let(:merge_request) do
+      create(:merge_request, source_branch: 'expand-collapse-files', target_branch: 'master')
+    end
+
+    it 'returns new path of changed files' do
+      expect(merge_request.new_paths.count).to eq(105)
+    end
+  end
+
   describe "#related_notes" do
     let!(:merge_request) { create(:merge_request) }
 
@@ -1581,6 +1591,24 @@ describe MergeRequest do
     end
   end
 
+  describe '#has_coverage_reports?' do
+    subject { merge_request.has_coverage_reports? }
+
+    let(:project) { create(:project, :repository) }
+
+    context 'when head pipeline has coverage reports' do
+      let(:merge_request) { create(:merge_request, :with_coverage_reports, source_project: project) }
+
+      it { is_expected.to be_truthy }
+    end
+
+    context 'when head pipeline does not have coverage reports' do
+      let(:merge_request) { create(:merge_request, source_project: project) }
+
+      it { is_expected.to be_falsey }
+    end
+  end
+
   describe '#calculate_reactive_cache' do
     let(:project) { create(:project, :repository) }
     let(:merge_request) { create(:merge_request, source_project: project) }
@@ -1663,6 +1691,60 @@ describe MergeRequest do
     end
   end
 
+  describe '#find_coverage_reports' do
+    let(:project) { create(:project, :repository) }
+    let(:merge_request) { create(:merge_request, :with_coverage_reports, source_project: project) }
+    let(:pipeline) { merge_request.head_pipeline }
+
+    subject { merge_request.find_coverage_reports }
+
+    context 'when head pipeline has coverage reports' do
+      let!(:job) do
+        create(:ci_build, options: { artifacts: { reports: { cobertura: ['cobertura-coverage.xml'] } } }, pipeline: pipeline)
+      end
+
+      let!(:artifacts_metadata) { create(:ci_job_artifact, :metadata, job: job) }
+
+      context 'when reactive cache worker is parsing results asynchronously' do
+        it 'returns status' do
+          expect(subject[:status]).to eq(:parsing)
+        end
+      end
+
+      context 'when reactive cache worker is inline' do
+        before do
+          synchronous_reactive_cache(merge_request)
+        end
+
+        it 'returns status and data' do
+          expect(subject[:status]).to eq(:parsed)
+        end
+
+        context 'when an error occurrs' do
+          before do
+            merge_request.update!(head_pipeline: nil)
+          end
+
+          it 'returns an error message' do
+            expect(subject[:status]).to eq(:error)
+          end
+        end
+
+        context 'when cached results is not latest' do
+          before do
+            allow_next_instance_of(Ci::GenerateCoverageReportsService) do |service|
+              allow(service).to receive(:latest?).and_return(false)
+            end
+          end
+
+          it 'raises and InvalidateReactiveCache error' do
+            expect { subject }.to raise_error(ReactiveCaching::InvalidateReactiveCache)
+          end
+        end
+      end
+    end
+  end
+
   describe '#compare_test_reports' do
     subject { merge_request.compare_test_reports }