Add test for cloning attributes when retrying a build

spec/services/ci/retry_build_service_spec.rb

@@ -10,6 +10,34 @@ describe Ci::RetryBuildService, :services do
     described_class.new(project, user)
   end
 
+  shared_examples 'build duplication' do
+    let(:build) do
+      create(:ci_build, :failed, :artifacts,
+               pipeline: pipeline,
+               coverage: 90.0,
+               coverage_regex: '/(d+)/')
+    end
+
+    it 'clones expected attributes' do
+      clone_attributes = %w[ref tag project pipeline options commands tag_list
+                            name allow_failure stage stage_idx trigger_request
+                            yaml_variables when environment coverage_regex]
+
+      clone_attributes.each do |attribute|
+        expect(new_build.send(attribute)).to eq build.send(attribute)
+      end
+    end
+
+    it 'does not clone forbidden attributes' do
+      forbidden_attributes = %w[id status token user artifacts_file
+                                artifacts_metadata coverage]
+
+      forbidden_attributes.each do |attribute|
+        expect(new_build.send(attribute)).not_to eq build.send(attribute)
+      end
+    end
+  end
+
   describe '#execute' do
     let(:new_build) { service.execute(build) }
 
@@ -18,6 +46,8 @@ describe Ci::RetryBuildService, :services do
         project.add_developer(user)
       end
 
+      it_behaves_like 'build duplication'
+
       it 'creates a new build that represents the old one' do
         expect(new_build.name).to eq build.name
       end
@@ -62,6 +92,8 @@ describe Ci::RetryBuildService, :services do
         project.add_developer(user)
       end
 
+      it_behaves_like 'build duplication'
+
       it 'creates a new build that represents the old one' do
         expect(new_build.name).to eq build.name
       end