Add extended status for build failed but allowed to

lib/gitlab/ci/status/build/failed_allowed.rb

+module Gitlab
+  module Ci
+    module Status
+      module Build
+        class FailedAllowed < SimpleDelegator
+          include Status::Extended
+
+          def label
+            'failed (allowed to fail)'
+          end
+
+          def icon
+            'icon_status_warning'
+          end
+
+          def group
+            'failed_with_warnings'
+          end
+
+          def self.matches?(build, user)
+            build.failed? && build.allow_failure?
+          end
+        end
+      end
+    end
+  end
+end

spec/lib/gitlab/ci/status/build/failed_allowed_spec.rb

+require 'spec_helper'
+
+describe Gitlab::Ci::Status::Build::FailedAllowed do
+  let(:status) { double('core status') }
+  let(:user) { double('user') }
+
+  subject do
+    described_class.new(status)
+  end
+
+  describe '#text' do
+    it 'does not override status text' do
+      expect(status).to receive(:text)
+
+      subject.text
+    end
+  end
+
+  describe '#icon' do
+    it 'returns a warning icon' do
+      expect(subject.icon).to eq 'icon_status_warning'
+    end
+  end
+
+  describe '#label' do
+    it 'returns information about failed but allowed to fail status' do
+      expect(subject.label).to eq 'failed (allowed to fail)'
+    end
+  end
+
+  describe '#group' do
+    it 'returns status failed with warnings status group' do
+      expect(subject.group).to eq 'failed_with_warnings'
+    end
+  end
+
+  describe 'action details' do
+    describe '#has_action?' do
+      it 'does not decorate action details' do
+        expect(status).to receive(:has_action?)
+
+        subject.has_action?
+      end
+    end
+
+    describe '#action_path' do
+      it 'does not decorate action path' do
+        expect(status).to receive(:action_path)
+
+        subject.action_path
+      end
+    end
+
+    describe '#action_icon' do
+      it 'does not decorate action icon' do
+        expect(status).to receive(:action_icon)
+
+        subject.action_icon
+      end
+    end
+
+    describe '#action_title' do
+      it 'does not decorate action title' do
+        expect(status).to receive(:action_title)
+
+        subject.action_title
+      end
+    end
+  end
+
+  describe '.matches?' do
+    subject { described_class.matches?(build, user) }
+
+    context 'when build is failed' do
+      context 'when build is allowed to fail' do
+        let(:build) { create(:ci_build, :failed, :allowed_to_fail) }
+
+        it 'is a correct match' do
+          expect(subject).to be true
+        end
+      end
+
+      context 'when build is not allowed to fail' do
+        let(:build) { create(:ci_build, :failed) }
+
+        it 'is not a correct match' do
+          expect(subject).not_to be true
+        end
+      end
+    end
+
+    context 'when build did not fail' do
+      context 'when build is allowed to fail' do
+        let(:build) { create(:ci_build, :success, :allowed_to_fail) }
+
+        it 'is not a correct match' do
+          expect(subject).not_to be true
+        end
+      end
+
+      context 'when build is not allowed to fail' do
+        let(:build) { create(:ci_build, :success) }
+
+        it 'is not a correct match' do
+          expect(subject).not_to be true
+        end
+      end
+    end
+  end
+end