Refine inheritance model of extended CI/CD statuses

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

@@ -2,14 +2,12 @@ module Gitlab
   module Ci
     module Status
       module Build
-        class Action < SimpleDelegator
-          include Status::Extended
-
+        class Action < Status::Extended
           def label
             if has_action?
-              __getobj__.label
+              @status.label
             else
-              "#{__getobj__.label} (not allowed)"
+              "#{@status.label} (not allowed)"
             end
           end
 

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

@@ -2,9 +2,7 @@ module Gitlab
   module Ci
     module Status
       module Build
-        class Cancelable < SimpleDelegator
-          include Status::Extended
-
+        class Cancelable < Status::Extended
           def has_action?
             can?(user, :update_build, subject)
           end

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

@@ -2,9 +2,7 @@ module Gitlab
   module Ci
     module Status
       module Build
-        class FailedAllowed < SimpleDelegator
-          include Status::Extended
-
+        class FailedAllowed < Status::Extended
           def label
             'failed (allowed to fail)'
           end

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

@@ -2,9 +2,7 @@ module Gitlab
   module Ci
     module Status
       module Build
-        class Play < SimpleDelegator
-          include Status::Extended
-
+        class Play < Status::Extended
           def label
             'manual play action'
           end

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

@@ -2,9 +2,7 @@ module Gitlab
   module Ci
     module Status
       module Build
-        class Retryable < SimpleDelegator
-          include Status::Extended
-
+        class Retryable < Status::Extended
           def has_action?
             can?(user, :update_build, subject)
           end

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

@@ -2,9 +2,7 @@ module Gitlab
   module Ci
     module Status
       module Build
-        class Stop < SimpleDelegator
-          include Status::Extended
-
+        class Stop < Status::Extended
           def label
             'manual stop action'
           end

lib/gitlab/ci/status/extended.rb

 module Gitlab
   module Ci
     module Status
-      module Extended
-        extend ActiveSupport::Concern
+      class Extended < SimpleDelegator
+        def initialize(status)
+          super(@status = status)
+        end
 
-        class_methods do
-          def matches?(_subject, _user)
-            raise NotImplementedError
-          end
+        def self.matches?(_subject, _user)
+          raise NotImplementedError
         end
       end
     end

lib/gitlab/ci/status/pipeline/blocked.rb

@@ -2,9 +2,7 @@ module Gitlab
   module Ci
     module Status
       module Pipeline
-        class Blocked < SimpleDelegator
-          include Status::Extended
-
+        class Blocked < Status::Extended
           def text
             'blocked'
           end

lib/gitlab/ci/status/success_warning.rb

@@ -5,9 +5,7 @@ module Gitlab
       # Extended status used when pipeline or stage passed conditionally.
       # This means that failed jobs that are allowed to fail were present.
       #
-      class SuccessWarning < SimpleDelegator
-        include Status::Extended
-
+      class SuccessWarning < Status::Extended
         def text
           'passed'
         end

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

@@ -205,7 +205,7 @@ describe Gitlab::Ci::Status::Build::Factory do
       it 'matches correct extended statuses' do
         expect(factory.extended_statuses)
           .to eq [Gitlab::Ci::Status::Build::Play,
-                 Gitlab::Ci::Status::Build::Action]
+                  Gitlab::Ci::Status::Build::Action]
       end
 
       it 'fabricates action detailed status' do

spec/lib/gitlab/ci/status/extended_spec.rb

 require 'spec_helper'
 
 describe Gitlab::Ci::Status::Extended do
-  subject do
-    Class.new.include(described_class)
-  end
-
   it 'requires subclass to implement matcher' do
-    expect { subject.matches?(double, double) }
+    expect { described_class.matches?(double, double) }
       .to raise_error(NotImplementedError)
   end
 end