Extend action tooltop to show info about abilities

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

@@ -6,7 +6,11 @@ module Gitlab
           include Status::Extended
           def label
+            if has_action?
               'manual play action'
+            else
+              'manual play action (not allowed)'
+            end
           end
           def has_action?

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

@@ -216,7 +216,7 @@ describe Gitlab::Ci::Status::Build::Factory do
         expect(status.group).to eq 'manual'
         expect(status.icon).to eq 'icon_status_manual'
         expect(status.favicon).to eq 'favicon_status_manual'
-        expect(status.label).to eq 'manual play action'
+        expect(status.label).to include 'manual play action'
         expect(status).to have_details
         expect(status.action_path).to include 'play'
       end

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

 require 'spec_helper'
 describe Gitlab::Ci::Status::Build::Play do
-  let(:status) { double('core') }
-  let(:user) { double('user') }
-
-  subject { described_class.new(status) }
-
-  describe '#label' do
-    it { expect(subject.label).to eq 'manual play action' }
-  end
-
-  describe 'action details' do
   let(:user) { create(:user) }
   let(:build) { create(:ci_build, :manual) }
   let(:status) { Gitlab::Ci::Status::Core.new(build, user) }
-    describe '#has_action?' do
+  subject { described_class.new(status) }
+
   context 'when user is allowed to update build' do
     context 'when user can push to branch' do
       before { build.project.add_master(user) }
+      describe '#has_action?' do
         it { is_expected.to have_action }
       end
+      describe '#label' do
+        it 'has a label that says it is a manual action' do
+          expect(subject.label).to eq 'manual play action'
+        end
+      end
+    end
+
     context 'when user can not push to the branch' do
       before { build.project.add_developer(user) }
+      describe 'has_action?' do
         it { is_expected.not_to have_action }
       end
+
+      describe '#label' do
+        it 'has a label that says user is not allowed to play it' do
+          expect(subject.label).to eq 'manual play action (not allowed)'
+        end
+      end
+    end
   end
   context 'when user is not allowed to update build' do
+    describe '#has_action?' do
       it { is_expected.not_to have_action }
     end
   end
@@ -46,7 +54,6 @@ describe Gitlab::Ci::Status::Build::Play do
   describe '#action_title' do
     it { expect(subject.action_title).to eq 'Play' }
   end
-  end
   describe '.matches?' do
     subject { described_class.matches?(build, user) }