E2E: Move custom resource comparison logic to resource base

qa/qa/ee/resource/epic.rb

@@ -80,27 +80,12 @@ module QA
           parse_body(response)
         end
 
-        # Object comparison
-        #
-        # @param [QA::EE::Resource::Epic] other
-        # @return [Boolean]
-        def ==(other)
-          other.is_a?(Epic) && comparable_epic == other.comparable_epic
-        end
-
-        # Override inspect for a better rspec failure diff output
-        #
-        # @return [String]
-        def inspect
-          JSON.pretty_generate(comparable_epic)
-        end
-
         protected
 
         # Return subset of fields for comparing epics
         #
         # @return [Hash]
-        def comparable_epic
+        def comparable
           reload! if api_response.nil?
 
           api_resource.slice(

qa/qa/ee/resource/group_iteration.rb

@@ -124,27 +124,12 @@ module QA
           GQL
         end
 
-        # Object comparison
-        #
-        # @param [QA::EE::Resource::GroupIteration] other
-        # @return [Boolean]
-        def ==(other)
-          other.is_a?(GroupIteration) && comparable_iteration == other.comparable_iteration
-        end
-
-        # Override inspect for a better rspec failure diff output
-        #
-        # @return [String]
-        def inspect
-          JSON.pretty_generate(comparable_iteration)
-        end
-
         protected
 
         # Return subset of fields for comparing iterations
         #
         # @return [Hash]
-        def comparable_iteration
+        def comparable
           reload! unless api_response
 
           api_response.slice(

qa/qa/resource/base.rb

@@ -179,6 +179,30 @@ module QA
         QA::Support::Waiter.wait_until(max_duration: max_duration, sleep_interval: sleep_interval, &block)
       end
 
+      # Object comparison
+      #
+      # @param [QA::Resource::Base] other
+      # @return [Boolean]
+      def ==(other)
+        other.is_a?(self.class) && comparable == other.comparable
+      end
+
+      # Override inspect for a better rspec failure diff output
+      #
+      # @return [String]
+      def inspect
+        JSON.pretty_generate(comparable)
+      end
+
+      protected
+
+      # Custom resource comparison logic using resource attributes from api_resource
+      #
+      # @return [Hash]
+      def comparable
+        raise("comparable method needs to be implemented in order to compare resources via '=='")
+      end
+
       private
 
       def attribute_value(name, block)

qa/qa/resource/group_badge.rb

@@ -39,27 +39,12 @@ module QA
       # @return [String]
       def resource_web_url(_resource); end
 
-      # Object comparison
-      #
-      # @param [QA::Resource::GroupBadge] other
-      # @return [Boolean]
-      def ==(other)
-        other.is_a?(GroupBadge) && comparable_badge == other.comparable_badge
-      end
-
-      # Override inspect for a better rspec failure diff output
-      #
-      # @return [String]
-      def inspect
-        JSON.pretty_generate(comparable_badge)
-      end
-
       protected
 
       # Return subset of fields for comparing badges
       #
       # @return [Hash]
-      def comparable_badge
+      def comparable
         reload! unless api_response
 
         api_response.slice(

qa/qa/resource/group_base.rb

@@ -123,18 +123,12 @@ module QA
       end
 
       # Object comparison
+      # Override to make sure we are comparing descendands of GroupBase
       #
       # @param [QA::Resource::GroupBase] other
       # @return [Boolean]
       def ==(other)
-        other.is_a?(GroupBase) && comparable_group == other.comparable_group
-      end
-
-      # Override inspect for a better rspec failure diff output
-      #
-      # @return [String]
-      def inspect
-        JSON.pretty_generate(comparable_group)
+        other.is_a?(GroupBase) && comparable == other.comparable
       end
 
       protected
@@ -142,7 +136,7 @@ module QA
       # Return subset of fields for comparing groups
       #
       # @return [Hash]
-      def comparable_group
+      def comparable
         reload! if api_response.nil?
 
         api_resource.slice(

qa/qa/resource/group_milestone.rb

@@ -56,27 +56,12 @@ module QA
         end
       end
 
-      # Object comparison
-      #
-      # @param [QA::Resource::GroupMilestone] other
-      # @return [Boolean]
-      def ==(other)
-        other.is_a?(GroupMilestone) && comparable_milestone == other.comparable_milestone
-      end
-
-      # Override inspect for a better rspec failure diff output
-      #
-      # @return [String]
-      def inspect
-        JSON.pretty_generate(comparable_milestone)
-      end
-
       protected
 
       # Return subset of fields for comparing milestones
       #
       # @return [Hash]
-      def comparable_milestone
+      def comparable
         reload! unless api_response
 
         api_response.slice(

qa/qa/resource/issue.rb

@@ -95,27 +95,12 @@ module QA
         )
       end
 
-      # Object comparison
-      #
-      # @param [QA::Resource::Issue] other
-      # @return [Boolean]
-      def ==(other)
-        other.is_a?(Issue) && comparable_issue == other.comparable_issue
-      end
-
-      # Override inspect for a better rspec failure diff output
-      #
-      # @return [String]
-      def inspect
-        JSON.pretty_generate(comparable_issue)
-      end
-
       protected
 
       # Return subset of fields for comparing issues
       #
       # @return [Hash]
-      def comparable_issue
+      def comparable
         reload! if api_response.nil?
 
         api_resource.slice(

qa/qa/resource/label_base.rb

@@ -49,27 +49,12 @@ module QA
         }
       end
 
-      # Object comparison
-      #
-      # @param [QA::Resource::GroupBase] other
-      # @return [Boolean]
-      def ==(other)
-        other.is_a?(LabelBase) && comparable_label == other.comparable_label
-      end
-
-      # Override inspect for a better rspec failure diff output
-      #
-      # @return [String]
-      def inspect
-        JSON.pretty_generate(comparable_label)
-      end
-
       protected
 
       # Return subset of fields for comparing labels
       #
       # @return [Hash]
-      def comparable_label
+      def comparable
         reload! unless api_response
 
         api_response.slice(

qa/qa/resource/merge_request.rb

@@ -168,27 +168,12 @@ module QA
         )
       end
 
-      # Object comparison
-      #
-      # @param [QA::Resource::MergeRequest] other
-      # @return [Boolean]
-      def ==(other)
-        other.is_a?(MergeRequest) && comparable_mr == other.comparable_mr
-      end
-
-      # Override inspect for a better rspec failure diff output
-      #
-      # @return [String]
-      def inspect
-        JSON.pretty_generate(comparable_mr)
-      end
-
       protected
 
       # Return subset of fields for comparing merge requests
       #
       # @return [Hash]
-      def comparable_mr
+      def comparable
         reload! if api_response.nil?
 
         api_resource.except(

qa/qa/resource/project.rb

@@ -372,27 +372,12 @@ module QA
         api_post_to(api_wikis_path, title: title, content: content)
       end
 
-      # Object comparison
-      #
-      # @param [QA::Resource::Project] other
-      # @return [Boolean]
-      def ==(other)
-        other.is_a?(Project) && comparable_project == other.comparable_project
-      end
-
-      # Override inspect for a better rspec failure diff output
-      #
-      # @return [String]
-      def inspect
-        JSON.pretty_generate(comparable_project)
-      end
-
       protected
 
       # Return subset of fields for comparing projects
       #
       # @return [Hash]
-      def comparable_project
+      def comparable
         reload! if api_response.nil?
 
         api_resource.slice(

qa/qa/resource/user.rb

@@ -181,6 +181,15 @@ module QA
         )
       end
 
+      protected
+
+      # Compare users by username and password
+      #
+      # @return [Array]
+      def comparable
+        [username, password]
+      end
+
       private
 
       def ldap_post_body