Merge branch '276734-deprecate-use-of-rubocop-cop_helper' into 'master'

Resolve depcrecate cop_helper exceptions part 1

See merge request gitlab-org/gitlab!51989

.rubocop_manual_todo.yml

@@ -31,9 +31,6 @@ FactoryBot/InlineAssociation:
 
 InternalAffairs/DeprecateCopHelper:
   Exclude:
-    - 'spec/rubocop/code_reuse_helpers_spec.rb'
-    - 'spec/rubocop/qa_helpers_spec.rb'
-    - 'spec/rubocop/migration_helpers_spec.rb'
     - 'spec/rubocop/cop/group_public_or_visible_to_user_spec.rb'
     - 'spec/rubocop/cop/static_translation_definition_spec.rb'
     - 'spec/rubocop/cop/lint/last_keyword_argument_spec.rb'
@@ -64,25 +61,12 @@ InternalAffairs/DeprecateCopHelper:
     - 'spec/rubocop/cop/qa/ambiguous_page_object_name_spec.rb'
     - 'spec/rubocop/cop/qa/element_with_pattern_spec.rb'
     - 'spec/rubocop/cop/inject_enterprise_edition_module_spec.rb'
-    - 'spec/rubocop/cop/code_reuse/finder_spec.rb'
-    - 'spec/rubocop/cop/code_reuse/worker_spec.rb'
-    - 'spec/rubocop/cop/code_reuse/service_class_spec.rb'
-    - 'spec/rubocop/cop/code_reuse/presenter_spec.rb'
-    - 'spec/rubocop/cop/code_reuse/serializer_spec.rb'
     - 'spec/rubocop/cop/avoid_keyword_arguments_in_sidekiq_workers_spec.rb'
     - 'spec/rubocop/cop/default_scope_spec.rb'
-    - 'spec/rubocop/cop/graphql/resolver_type_spec.rb'
-    - 'spec/rubocop/cop/graphql/descriptions_spec.rb'
-    - 'spec/rubocop/cop/graphql/json_type_spec.rb'
-    - 'spec/rubocop/cop/graphql/gid_expected_type_spec.rb'
-    - 'spec/rubocop/cop/graphql/authorize_types_spec.rb'
-    - 'spec/rubocop/cop/graphql/id_type_spec.rb'
     - 'spec/rubocop/cop/scalability/bulk_perform_with_context_spec.rb'
     - 'spec/rubocop/cop/scalability/idempotent_worker_spec.rb'
     - 'spec/rubocop/cop/scalability/cron_worker_context_spec.rb'
     - 'spec/rubocop/cop/scalability/file_uploads_spec.rb'
-    - 'spec/rubocop/cop/api/grape_array_missing_coerce_spec.rb'
-    - 'spec/rubocop/cop/api/base_spec.rb'
     - 'spec/rubocop/cop/destroy_all_spec.rb'
     - 'spec/rubocop/cop/safe_params_spec.rb'
     - 'spec/rubocop/cop/include_sidekiq_worker_spec.rb'

spec/rubocop/code_reuse_helpers_spec.rb

@@ -6,7 +6,7 @@ require 'parser/current'
 require_relative '../../rubocop/code_reuse_helpers'
 
 RSpec.describe RuboCop::CodeReuseHelpers do
-  def parse_source(source, path = 'foo.rb')
+  def build_and_parse_source(source, path = 'foo.rb')
     buffer = Parser::Source::Buffer.new(path)
     buffer.source = source
 
@@ -24,13 +24,13 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#send_to_constant?' do
     it 'returns true when sending to a constant' do
-      node = parse_source('Foo.bar')
+      node = build_and_parse_source('Foo.bar')
 
       expect(cop.send_to_constant?(node)).to eq(true)
     end
 
     it 'returns false when sending to something other than a constant' do
-      node = parse_source('10')
+      node = build_and_parse_source('10')
 
       expect(cop.send_to_constant?(node)).to eq(false)
     end
@@ -38,13 +38,13 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#send_receiver_name_ends_with?' do
     it 'returns true when the receiver ends with a suffix' do
-      node = parse_source('FooFinder.new')
+      node = build_and_parse_source('FooFinder.new')
 
       expect(cop.send_receiver_name_ends_with?(node, 'Finder')).to eq(true)
     end
 
     it 'returns false when the receiver is the same as a suffix' do
-      node = parse_source('Finder.new')
+      node = build_and_parse_source('Finder.new')
 
       expect(cop.send_receiver_name_ends_with?(node, 'Finder')).to eq(false)
     end
@@ -52,7 +52,7 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#file_path_for_node' do
     it 'returns the file path of a node' do
-      node = parse_source('10')
+      node = build_and_parse_source('10')
       path = cop.file_path_for_node(node)
 
       expect(path).to eq('foo.rb')
@@ -61,7 +61,7 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#name_of_constant' do
     it 'returns the name of a constant' do
-      node = parse_source('Foo')
+      node = build_and_parse_source('Foo')
 
       expect(cop.name_of_constant(node)).to eq(:Foo)
     end
@@ -69,13 +69,13 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#in_finder?' do
     it 'returns true for a node in the finders directory' do
-      node = parse_source('10', rails_root_join('app', 'finders', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'finders', 'foo.rb'))
 
       expect(cop.in_finder?(node)).to eq(true)
     end
 
     it 'returns false for a node outside the finders directory' do
-      node = parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
 
       expect(cop.in_finder?(node)).to eq(false)
     end
@@ -83,13 +83,13 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#in_model?' do
     it 'returns true for a node in the models directory' do
-      node = parse_source('10', rails_root_join('app', 'models', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'models', 'foo.rb'))
 
       expect(cop.in_model?(node)).to eq(true)
     end
 
     it 'returns false for a node outside the models directory' do
-      node = parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
 
       expect(cop.in_model?(node)).to eq(false)
     end
@@ -97,13 +97,13 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#in_service_class?' do
     it 'returns true for a node in the services directory' do
-      node = parse_source('10', rails_root_join('app', 'services', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'services', 'foo.rb'))
 
       expect(cop.in_service_class?(node)).to eq(true)
     end
 
     it 'returns false for a node outside the services directory' do
-      node = parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
 
       expect(cop.in_service_class?(node)).to eq(false)
     end
@@ -111,13 +111,13 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#in_presenter?' do
     it 'returns true for a node in the presenters directory' do
-      node = parse_source('10', rails_root_join('app', 'presenters', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'presenters', 'foo.rb'))
 
       expect(cop.in_presenter?(node)).to eq(true)
     end
 
     it 'returns false for a node outside the presenters directory' do
-      node = parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
 
       expect(cop.in_presenter?(node)).to eq(false)
     end
@@ -125,13 +125,13 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#in_serializer?' do
     it 'returns true for a node in the serializers directory' do
-      node = parse_source('10', rails_root_join('app', 'serializers', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'serializers', 'foo.rb'))
 
       expect(cop.in_serializer?(node)).to eq(true)
     end
 
     it 'returns false for a node outside the serializers directory' do
-      node = parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
 
       expect(cop.in_serializer?(node)).to eq(false)
     end
@@ -139,13 +139,13 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#in_worker?' do
     it 'returns true for a node in the workers directory' do
-      node = parse_source('10', rails_root_join('app', 'workers', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'workers', 'foo.rb'))
 
       expect(cop.in_worker?(node)).to eq(true)
     end
 
     it 'returns false for a node outside the workers directory' do
-      node = parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
 
       expect(cop.in_worker?(node)).to eq(false)
     end
@@ -153,13 +153,13 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#in_api?' do
     it 'returns true for a node in the API directory' do
-      node = parse_source('10', rails_root_join('lib', 'api', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('lib', 'api', 'foo.rb'))
 
       expect(cop.in_api?(node)).to eq(true)
     end
 
     it 'returns false for a node outside the API directory' do
-      node = parse_source('10', rails_root_join('lib', 'foo', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('lib', 'foo', 'foo.rb'))
 
       expect(cop.in_api?(node)).to eq(false)
     end
@@ -167,21 +167,21 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#in_directory?' do
     it 'returns true for a directory in the CE app/ directory' do
-      node = parse_source('10', rails_root_join('app', 'models', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'models', 'foo.rb'))
 
       expect(cop.in_directory?(node, 'models')).to eq(true)
     end
 
     it 'returns true for a directory in the EE app/ directory' do
       node =
-        parse_source('10', rails_root_join('ee', 'app', 'models', 'foo.rb'))
+        build_and_parse_source('10', rails_root_join('ee', 'app', 'models', 'foo.rb'))
 
       expect(cop.in_directory?(node, 'models')).to eq(true)
     end
 
     it 'returns false for a directory in the lib/ directory' do
       node =
-        parse_source('10', rails_root_join('lib', 'models', 'foo.rb'))
+        build_and_parse_source('10', rails_root_join('lib', 'models', 'foo.rb'))
 
       expect(cop.in_directory?(node, 'models')).to eq(false)
     end
@@ -189,7 +189,7 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#name_of_receiver' do
     it 'returns the name of a send receiver' do
-      node = parse_source('Foo.bar')
+      node = build_and_parse_source('Foo.bar')
 
       expect(cop.name_of_receiver(node)).to eq('Foo')
     end
@@ -197,7 +197,7 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#each_class_method' do
     it 'yields every class method to the supplied block' do
-      node = parse_source(<<~RUBY)
+      node = build_and_parse_source(<<~RUBY)
         class Foo
           class << self
             def first
@@ -220,7 +220,7 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#each_send_node' do
     it 'yields every send node to the supplied block' do
-      node = parse_source("foo\nbar")
+      node = build_and_parse_source("foo\nbar")
       nodes = cop.each_send_node(node).to_a
 
       expect(nodes.length).to eq(2)
@@ -231,7 +231,7 @@ RSpec.describe RuboCop::CodeReuseHelpers do
 
   describe '#disallow_send_to' do
     it 'disallows sending a message to a constant' do
-      def_node = parse_source(<<~RUBY)
+      def_node = build_and_parse_source(<<~RUBY)
         def foo
           FooFinder.new
         end

spec/rubocop/cop/api/base_spec.rb

@@ -2,12 +2,9 @@
 
 require 'fast_spec_helper'
 require 'rubocop'
-require 'rubocop/rspec/support'
 require_relative '../../../../rubocop/cop/api/base'
 
 RSpec.describe RuboCop::Cop::API::Base do
-  include CopHelper
-
   subject(:cop) { described_class.new }
 
   let(:corrected) do
@@ -17,7 +14,7 @@ RSpec.describe RuboCop::Cop::API::Base do
     CORRECTED
   end
 
-  ['Grape::API', '::Grape::API', 'Grape::API::Instance', '::Grape::API::Instance'].each do |offense|
+  %w[Grape::API ::Grape::API Grape::API::Instance ::Grape::API::Instance].each do |offense|
     it "adds an offense when inheriting from #{offense}" do
       expect_offense(<<~CODE)
         class SomeAPI < #{offense}

spec/rubocop/cop/api/grape_array_missing_coerce_spec.rb

@@ -5,36 +5,38 @@ require 'rubocop'
 require_relative '../../../../rubocop/cop/api/grape_array_missing_coerce'
 
 RSpec.describe RuboCop::Cop::API::GrapeArrayMissingCoerce do
-  include CopHelper
+  let(:msg) do
+    "This Grape parameter defines an Array but is missing a coerce_with definition. " \
+    "For more details, see " \
+    "https://github.com/ruby-grape/grape/blob/master/UPGRADING.md#ensure-that-array-types-have-explicit-coercions"
+  end
 
   subject(:cop) { described_class.new }
 
   it 'adds an offense with a required parameter' do
-    inspect_source(<<~CODE)
+    expect_offense(<<~TYPE)
       class SomeAPI < Grape::API::Instance
         params do
           requires :values, type: Array[String]
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ #{msg}
         end
       end
-    CODE
-
-    expect(cop.offenses.size).to eq(1)
+    TYPE
   end
 
   it 'adds an offense with an optional parameter' do
-    inspect_source(<<~CODE)
+    expect_offense(<<~TYPE)
       class SomeAPI < Grape::API::Instance
         params do
           optional :values, type: Array[String]
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ #{msg}
         end
       end
-    CODE
-
-    expect(cop.offenses.size).to eq(1)
+    TYPE
   end
 
   it 'does not add an offense' do
-    inspect_source(<<~CODE)
+    expect_no_offenses(<<~CODE)
       class SomeAPI < Grape::API::Instance
         params do
           requires :values, type: Array[String], coerce_with: ->(val) { val.split(',').map(&:strip) }
@@ -44,19 +46,15 @@ RSpec.describe RuboCop::Cop::API::GrapeArrayMissingCoerce do
         end
       end
     CODE
-
-    expect(cop.offenses.size).to be_zero
   end
 
   it 'does not add an offense for unrelated classes' do
-    inspect_source(<<~CODE)
+    expect_no_offenses(<<~CODE)
       class SomeClass
         params do
           requires :values, type: Array[String]
         end
       end
     CODE
-
-    expect(cop.offenses.size).to be_zero
   end
 end

spec/rubocop/cop/code_reuse/finder_spec.rb

@@ -2,12 +2,9 @@
 
 require 'fast_spec_helper'
 require 'rubocop'
-require 'rubocop/rspec/support'
 require_relative '../../../../rubocop/cop/code_reuse/finder'
 
 RSpec.describe RuboCop::Cop::CodeReuse::Finder do
-  include CopHelper
-
   subject(:cop) { described_class.new }
 
   it 'flags the use of a Finder inside another Finder' do
@@ -23,8 +20,6 @@ RSpec.describe RuboCop::Cop::CodeReuse::Finder do
         end
       end
     SOURCE
-
-    expect(cop.offenses.size).to eq(1)
   end
 
   it 'flags the use of a Finder inside a model class method' do

spec/rubocop/cop/code_reuse/presenter_spec.rb

@@ -2,12 +2,9 @@
 
 require 'fast_spec_helper'
 require 'rubocop'
-require 'rubocop/rspec/support'
 require_relative '../../../../rubocop/cop/code_reuse/presenter'
 
 RSpec.describe RuboCop::Cop::CodeReuse::Presenter do
-  include CopHelper
-
   subject(:cop) { described_class.new }
 
   it 'flags the use of a Presenter in a Service class' do

spec/rubocop/cop/code_reuse/serializer_spec.rb

@@ -2,12 +2,9 @@
 
 require 'fast_spec_helper'
 require 'rubocop'
-require 'rubocop/rspec/support'
 require_relative '../../../../rubocop/cop/code_reuse/serializer'
 
 RSpec.describe RuboCop::Cop::CodeReuse::Serializer do
-  include CopHelper
-
   subject(:cop) { described_class.new }
 
   it 'flags the use of a Serializer in a Service class' do

spec/rubocop/cop/code_reuse/service_class_spec.rb

@@ -2,12 +2,9 @@
 
 require 'fast_spec_helper'
 require 'rubocop'
-require 'rubocop/rspec/support'
 require_relative '../../../../rubocop/cop/code_reuse/service_class'
 
 RSpec.describe RuboCop::Cop::CodeReuse::ServiceClass do
-  include CopHelper
-
   subject(:cop) { described_class.new }
 
   it 'flags the use of a Service class in a Finder' do

spec/rubocop/cop/code_reuse/worker_spec.rb

@@ -2,12 +2,9 @@
 
 require 'fast_spec_helper'
 require 'rubocop'
-require 'rubocop/rspec/support'
 require_relative '../../../../rubocop/cop/code_reuse/worker'
 
 RSpec.describe RuboCop::Cop::CodeReuse::Worker do
-  include CopHelper
-
   subject(:cop) { described_class.new }
 
   it 'flags the use of a worker in a controller' do

spec/rubocop/cop/graphql/authorize_types_spec.rb

@@ -6,21 +6,18 @@ require 'rubocop'
 require_relative '../../../../rubocop/cop/graphql/authorize_types'
 
 RSpec.describe RuboCop::Cop::Graphql::AuthorizeTypes do
-  include CopHelper
-
   subject(:cop) { described_class.new }
 
   it 'adds an offense when there is no authorize call' do
-    inspect_source(<<~TYPE)
+    expect_offense(<<~TYPE)
       module Types
         class AType < BaseObject
+        ^^^^^^^^^^^^^^^^^^^^^^^^ Add an `authorize :ability` call to the type: https://docs.gitlab.com/ee/development/api_graphql_styleguide.html#type-authorization
           field :a_thing
           field :another_thing
         end
       end
     TYPE
-
-    expect(cop.offenses.size).to eq 1
   end
 
   it 'does not add an offense for classes that have an authorize call' do

spec/rubocop/cop/graphql/descriptions_spec.rb

@@ -5,38 +5,34 @@ require 'rubocop'
 require_relative '../../../../rubocop/cop/graphql/descriptions'
 
 RSpec.describe RuboCop::Cop::Graphql::Descriptions do
-  include CopHelper
-
   subject(:cop) { described_class.new }
 
   context 'fields' do
     it 'adds an offense when there is no description' do
-      inspect_source(<<~TYPE)
+      expect_offense(<<~TYPE)
         module Types
           class FakeType < BaseObject
             field :a_thing,
+            ^^^^^^^^^^^^^^^ Please add a `description` property.
               GraphQL::STRING_TYPE,
               null: false
           end
         end
       TYPE
-
-      expect(cop.offenses.size).to eq 1
     end
 
     it 'adds an offense when description does not end in a period' do
-      inspect_source(<<~TYPE)
+      expect_offense(<<~TYPE)
         module Types
           class FakeType < BaseObject
             field :a_thing,
+            ^^^^^^^^^^^^^^^ `description` strings must end with a `.`.
               GraphQL::STRING_TYPE,
               null: false,
               description: 'A descriptive description'
           end
         end
       TYPE
-
-      expect(cop.offenses.size).to eq 1
     end
 
     it 'does not add an offense when description is correct' do
@@ -55,32 +51,30 @@ RSpec.describe RuboCop::Cop::Graphql::Descriptions do
 
   context 'arguments' do
     it 'adds an offense when there is no description' do
-      inspect_source(<<~TYPE)
+      expect_offense(<<~TYPE)
         module Types
           class FakeType < BaseObject
             argument :a_thing,
+            ^^^^^^^^^^^^^^^^^^ Please add a `description` property.
               GraphQL::STRING_TYPE,
               null: false
           end
         end
       TYPE
-
-      expect(cop.offenses.size).to eq 1
     end
 
     it 'adds an offense when description does not end in a period' do
-      inspect_source(<<~TYPE)
+      expect_offense(<<~TYPE)
         module Types
           class FakeType < BaseObject
             argument :a_thing,
+            ^^^^^^^^^^^^^^^^^^ `description` strings must end with a `.`.
               GraphQL::STRING_TYPE,
               null: false,
               description: 'Behold! A description'
           end
         end
       TYPE
-
-      expect(cop.offenses.size).to eq 1
     end
 
     it 'does not add an offense when description is correct' do

spec/rubocop/cop/graphql/gid_expected_type_spec.rb

@@ -6,16 +6,13 @@ require 'rubocop'
 require_relative '../../../../rubocop/cop/graphql/gid_expected_type'
 
 RSpec.describe RuboCop::Cop::Graphql::GIDExpectedType do
-  include CopHelper
-
   subject(:cop) { described_class.new }
 
   it 'adds an offense when there is no expected_type parameter' do
-    inspect_source(<<~TYPE)
+    expect_offense(<<~TYPE)
       GitlabSchema.object_from_id(received_id)
+      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Add an expected_type parameter to #object_from_id calls if possible.
     TYPE
-
-    expect(cop.offenses.size).to eq 1
   end
 
   it 'does not add an offense for calls that have an expected_type parameter' do

spec/rubocop/cop/graphql/id_type_spec.rb

@@ -6,16 +6,13 @@ require 'rubocop'
 require_relative '../../../../rubocop/cop/graphql/id_type'
 
 RSpec.describe RuboCop::Cop::Graphql::IDType do
-  include CopHelper
-
   subject(:cop) { described_class.new }
 
   it 'adds an offense when GraphQL::ID_TYPE is used as a param to #argument' do
-    inspect_source(<<~TYPE)
+    expect_offense(<<~TYPE)
       argument :some_arg, GraphQL::ID_TYPE, some: other, params: do_not_matter
+      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Do not use GraphQL::ID_TYPE, use a specific GlobalIDType instead
     TYPE
-
-    expect(cop.offenses.size).to eq 1
   end
 
   context 'whitelisted arguments' do

spec/rubocop/cop/graphql/json_type_spec.rb

@@ -5,29 +5,29 @@ require 'rubocop'
 require_relative '../../../../rubocop/cop/graphql/json_type'
 
 RSpec.describe RuboCop::Cop::Graphql::JSONType do
-  include CopHelper
+  let(:msg) do
+    'Avoid using GraphQL::Types::JSON. See: https://docs.gitlab.com/ee/development/api_graphql_styleguide.html#json'
+  end
 
   subject(:cop) { described_class.new }
 
   context 'fields' do
     it 'adds an offense when GraphQL::Types::JSON is used' do
-      inspect_source(<<~RUBY.strip)
+      expect_offense(<<~RUBY)
         class MyType
           field :some_field, GraphQL::Types::JSON
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ #{msg}
         end
       RUBY
-
-      expect(cop.offenses.size).to eq(1)
     end
 
     it 'adds an offense when GraphQL::Types::JSON is used with other keywords' do
-      inspect_source(<<~RUBY.strip)
+      expect_offense(<<~RUBY)
         class MyType
           field :some_field, GraphQL::Types::JSON, null: true, description: 'My description'
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ #{msg}
         end
       RUBY
-
-      expect(cop.offenses.size).to eq(1)
     end
 
     it 'does not add an offense for other types' do
@@ -41,23 +41,21 @@ RSpec.describe RuboCop::Cop::Graphql::JSONType do
 
   context 'arguments' do
     it 'adds an offense when GraphQL::Types::JSON is used' do
-      inspect_source(<<~RUBY.strip)
+      expect_offense(<<~RUBY)
         class MyType
           argument :some_arg, GraphQL::Types::JSON
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ #{msg}
         end
       RUBY
-
-      expect(cop.offenses.size).to eq(1)
     end
 
     it 'adds an offense when GraphQL::Types::JSON is used with other keywords' do
-      inspect_source(<<~RUBY.strip)
+      expect_offense(<<~RUBY)
         class MyType
           argument :some_arg, GraphQL::Types::JSON, null: true, description: 'My description'
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ #{msg}
         end
       RUBY
-
-      expect(cop.offenses.size).to eq(1)
     end
 
     it 'does not add an offense for other types' do

spec/rubocop/cop/graphql/resolver_type_spec.rb

@@ -6,24 +6,19 @@ require 'rubocop'
 require_relative '../../../../rubocop/cop/graphql/resolver_type'
 
 RSpec.describe RuboCop::Cop::Graphql::ResolverType do
-  include CopHelper
-
   subject(:cop) { described_class.new }
 
-  it 'adds an offense when there is no type annotaion' do
-    lacks_type = <<-SRC
+  it 'adds an offense when there is no type annotation' do
+    expect_offense(<<~SRC)
       module Resolvers
         class FooResolver < BaseResolver
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Missing type annotation: Please add `type` DSL method call. e.g: type UserType.connection_type, null: true
           def resolve(**args)
             [:thing]
           end
         end
       end
     SRC
-
-    inspect_source(lacks_type)
-
-    expect(cop.offenses.size).to eq 1
   end
 
   it 'does not add an offense for resolvers that have a type call' do
@@ -41,9 +36,10 @@ RSpec.describe RuboCop::Cop::Graphql::ResolverType do
   end
 
   it 'ignores type calls on other objects' do
-    lacks_type = <<-SRC
+    expect_offense(<<~SRC)
       module Resolvers
         class FooResolver < BaseResolver
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Missing type annotation: Please add `type` DSL method call. e.g: type UserType.connection_type, null: true
           class FalsePositive < BaseObject
             type RedHerringType, null: true
           end
@@ -54,10 +50,6 @@ RSpec.describe RuboCop::Cop::Graphql::ResolverType do
         end
       end
     SRC
-
-    inspect_source(lacks_type)
-
-    expect(cop.offenses.size).to eq 1
   end
 
   it 'does not add an offense unless the class is named using the Resolver convention' do

spec/rubocop/qa_helpers_spec.rb

@@ -6,7 +6,7 @@ require 'parser/current'
 require_relative '../../rubocop/qa_helpers'
 
 RSpec.describe RuboCop::QAHelpers do
-  def parse_source(source, path = 'foo.rb')
+  def build_and_parse_source(source, path = 'foo.rb')
     buffer = Parser::Source::Buffer.new(path)
     buffer.source = source
 
@@ -24,13 +24,13 @@ RSpec.describe RuboCop::QAHelpers do
 
   describe '#in_qa_file?' do
     it 'returns true for a node in the qa/ directory' do
-      node = parse_source('10', rails_root_join('qa', 'qa', 'page', 'dashboard', 'groups.rb'))
+      node = build_and_parse_source('10', rails_root_join('qa', 'qa', 'page', 'dashboard', 'groups.rb'))
 
       expect(cop.in_qa_file?(node)).to eq(true)
     end
 
     it 'returns false for a node outside the qa/ directory' do
-      node = parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
+      node = build_and_parse_source('10', rails_root_join('app', 'foo', 'foo.rb'))
 
       expect(cop.in_qa_file?(node)).to eq(false)
     end