Extract common spec elements to shared_examples

spec/models/project_spec.rb

@@ -2023,54 +2023,16 @@ describe Project do
     let(:project) { create(:project, :repository) }
     let(:pipeline) { create_pipeline(project) }
 
-    context 'with many builds' do
-      it 'gives the latest builds from latest pipeline' do
-        pipeline1 = create_pipeline(project)
-        pipeline2 = create_pipeline(project)
-        create_build(pipeline1, 'test')
-        create_build(pipeline1, 'test2')
-        build1_p2 = create_build(pipeline2, 'test')
-        create_build(pipeline2, 'test2')
-
-        expect(project.latest_successful_build_for_ref(build1_p2.name))
-          .to eq(build1_p2)
-      end
-    end
+    it_behaves_like 'latest successful build for sha or ref'
 
-    context 'with succeeded pipeline' do
-      let!(:build) { create_build }
+    subject { project.latest_successful_build_for_ref(build_name) }
 
-      context 'standalone pipeline' do
-        it 'returns builds for ref for default_branch' do
-          expect(project.latest_successful_build_for_ref(build.name))
-            .to eq(build)
-        end
+    context 'with a specified ref' do
+      let(:build) { create_build }
 
-        it 'returns empty relation if the build cannot be found' do
-          expect(project.latest_successful_build_for_ref('TAIL'))
-            .to be_nil
-        end
-      end
+      subject { project.latest_successful_build_for_ref(build.name, project.default_branch) }
 
-      context 'with some pending pipeline' do
-        before do
-          create_build(create_pipeline(project, 'pending'))
-        end
-
-        it 'gives the latest build from latest pipeline' do
-          expect(project.latest_successful_build_for_ref(build.name))
-            .to eq(build)
-        end
-      end
-    end
-
-    context 'with pending pipeline' do
-      it 'returns empty relation' do
-        pipeline.update(status: 'pending')
-        pending_build = create_build(pipeline)
-
-        expect(project.latest_successful_build_for_ref(pending_build.name)).to be_nil
-      end
+      it { is_expected.to eq(build) }
     end
   end
 
@@ -2078,55 +2040,9 @@ describe Project do
     let(:project) { create(:project, :repository) }
     let(:pipeline) { create_pipeline(project) }
 
-    context 'with many builds' do
-      it 'gives the latest builds from latest pipeline' do
-        pipeline1 = create_pipeline(project)
-        pipeline2 = create_pipeline(project)
-        create_build(pipeline1, 'test')
-        create_build(pipeline1, 'test2')
-        build1_p2 = create_build(pipeline2, 'test')
-        create_build(pipeline2, 'test2')
-
-        expect(project.latest_successful_build_for_sha(build1_p2.name))
-          .to eq(build1_p2)
-      end
-    end
-
-    context 'with succeeded pipeline' do
-      let!(:build) { create_build }
-
-      context 'standalone pipeline' do
-        it 'returns builds for ref for default_branch' do
-          expect(project.latest_successful_build_for_sha(build.name))
-            .to eq(build)
-        end
+    it_behaves_like 'latest successful build for sha or ref'
 
-        it 'returns empty relation if the build cannot be found' do
-          expect(project.latest_successful_build_for_sha('TAIL'))
-            .to be_nil
-        end
-      end
-
-      context 'with some pending pipeline' do
-        before do
-          create_build(create_pipeline(project, 'pending'))
-        end
-
-        it 'gives the latest build from latest pipeline' do
-          expect(project.latest_successful_build_for_sha(build.name))
-            .to eq(build)
-        end
-      end
-    end
-
-    context 'with pending pipeline' do
-      it 'returns empty relation' do
-        pipeline.update(status: 'pending')
-        pending_build = create_build(pipeline)
-
-        expect(project.latest_successful_build_for_sha(pending_build.name)).to be_nil
-      end
-    end
+    subject { project.latest_successful_build_for_sha(build_name, project.commit.sha) }
   end
 
   describe '#latest_successful_build_for_ref!' do

spec/support/shared_examples/project_latest_successful_build_for_examples.rb

+# frozen_string_literal: true
+
+shared_examples 'latest successful build for sha or ref' do
+  context 'with many builds' do
+    let(:other_pipeline) { create_pipeline(project) }
+    let(:other_build) { create_build(other_pipeline, 'test') }
+    let(:build_name) { other_build.name }
+
+    before do
+      pipeline1 = create_pipeline(project)
+      pipeline2 = create_pipeline(project)
+      create_build(pipeline1, 'test')
+      create_build(pipeline1, 'test2')
+      create_build(pipeline2, 'test2')
+    end
+
+    it 'gives the latest builds from latest pipeline' do
+      expect(subject).to eq(other_build)
+    end
+  end
+
+  context 'with succeeded pipeline' do
+    let!(:build) { create_build }
+    let(:build_name) { build.name }
+
+    context 'standalone pipeline' do
+      it 'returns builds for ref for default_branch' do
+        expect(subject).to eq(build)
+      end
+
+      context 'with nonexistent build' do
+        let(:build_name) { 'TAIL' }
+
+        it 'returns empty relation if the build cannot be found' do
+          expect(subject).to be_nil
+        end
+      end
+    end
+
+    context 'with some pending pipeline' do
+      before do
+        create_build(create_pipeline(project, 'pending'))
+      end
+
+      it 'gives the latest build from latest pipeline' do
+        expect(subject).to eq(build)
+      end
+    end
+  end
+
+  context 'with pending pipeline' do
+    let!(:pending_build) { create_build(pipeline) }
+    let(:build_name) { pending_build.name }
+
+    before do
+      pipeline.update(status: 'pending')
+    end
+
+    it 'returns empty relation' do
+      expect(subject).to be_nil
+    end
+  end
+end