Add test for presenters

app/models/ci/pipeline.rb

@@ -219,6 +219,10 @@ module Ci
       statuses.cancelable.any?
     end
 
+    def auto_canceled?
+      canceled? && auto_canceled_by_id?
+    end
+
     def cancel_running
       Gitlab::OptimisticLocking.retry_lock(
         statuses.cancelable) do |cancelable|

app/presenters/ci/pipeline_presenter.rb

@@ -2,10 +2,6 @@ module Ci
   class PipelinePresenter < Gitlab::View::Presenter::Delegated
     presents :pipeline
 
-    def auto_canceled?
-      canceled? && auto_canceled_by_id?
-    end
-
     def status_title
       "Pipeline is redundant and is auto-canceled by Pipeline ##{auto_canceled_by_id}" if auto_canceled?
     end

spec/presenters/ci/build_presenter_spec.rb

@@ -57,6 +57,38 @@ describe Ci::BuildPresenter do
     end
   end
 
+  describe '#status_title' do
+    context 'when build is canceled' do
+      before do
+        expect(presenter).to receive(:canceled?).and_return(true)
+      end
+
+      context 'when pipeline is auto-canceled' do
+        before do
+          expect(pipeline).to receive(:auto_canceled?).and_return(true)
+          expect(pipeline).to receive(:auto_canceled_by_id).and_return(1)
+        end
+
+        it 'shows that the job is auto-canceled' do
+          status_title = presenter.status_title
+
+          expect(status_title).to include('auto-canceled')
+          expect(status_title).to include('Pipeline #1')
+        end
+      end
+
+      context 'when pipeline is not auto-canceled' do
+        before do
+          expect(pipeline).to receive(:auto_canceled?).and_return(false)
+        end
+
+        it 'shows that the job is auto-canceled' do
+          expect(presenter.status_title).to be_nil
+        end
+      end
+    end
+  end
+
   describe 'quack like a Ci::Build permission-wise' do
     context 'user is not allowed' do
       let(:project) { build_stubbed(:empty_project, public_builds: false) }

spec/presenters/ci/pipeline_presenter_spec.rb

@@ -0,0 +1,54 @@
+require 'spec_helper'
+
+describe Ci::PipelinePresenter do
+  let(:project) { create(:empty_project) }
+  let(:pipeline) { create(:ci_pipeline, project: project) }
+
+  subject(:presenter) do
+    described_class.new(pipeline)
+  end
+
+  it 'inherits from Gitlab::View::Presenter::Delegated' do
+    expect(described_class.superclass).to eq(Gitlab::View::Presenter::Delegated)
+  end
+
+  describe '#initialize' do
+    it 'takes a pipeline and optional params' do
+      expect { presenter }.not_to raise_error
+    end
+
+    it 'exposes pipeline' do
+      expect(presenter.pipeline).to eq(pipeline)
+    end
+
+    it 'forwards missing methods to pipeline' do
+      expect(presenter.ref).to eq(pipeline.ref)
+    end
+  end
+
+  describe '#status_title' do
+    context 'when pipeline is auto-canceled' do
+      before do
+        expect(pipeline).to receive(:auto_canceled?).and_return(true)
+        expect(pipeline).to receive(:auto_canceled_by_id).and_return(1)
+      end
+
+      it 'shows that the pipeline is auto-canceled' do
+        status_title = presenter.status_title
+
+        expect(status_title).to include('auto-canceled')
+        expect(status_title).to include('Pipeline #1')
+      end
+    end
+
+    context 'when pipeline is not auto-canceled' do
+      before do
+        expect(pipeline).to receive(:auto_canceled?).and_return(false)
+      end
+
+      it 'shows that the job is auto-canceled' do
+        expect(presenter.status_title).to be_nil
+      end
+    end
+  end
+end