Fix InternalAffairs/NumblockHandler offenses

CHANGELOG.md

@@ -13,6 +13,7 @@
 * Fix a false positive for `RSpec/Capybara/SpecificMatcher` when may not have a `href` by `have_link`. ([@ydah][])
 * Add `NegatedMatcher` configuration option to `RSpec/ChangeByZero`. ([@ydah][])
 * Add new `RSpec/Capybara/SpecificFinders` cop. ([@ydah][])
+* Add support for numblocks to `RSpec/AroundBlock`, `RSpec/EmptyLineAfterHook`, `RSpec/ExpectInHook`, `RSpec/HookArgument`, `RSpec/HooksBeforeExamples`, `RSpec/IteratedExpectation`, and `RSpec/NoExpectationExample`. ([@ydah][])
 
 ## 2.12.1 (2022-07-03)
 

lib/rubocop/cop/rspec/around_block.rb

@@ -30,18 +30,23 @@ class AroundBlock < Base
         MSG_UNUSED_ARG = 'You should call `%<arg>s.call` ' \
                          'or `%<arg>s.run`.'
 
-        # @!method hook(node)
-        def_node_matcher :hook, <<-PATTERN
+        # @!method hook_block(node)
+        def_node_matcher :hook_block, <<-PATTERN
           (block (send nil? :around sym ?) (args $...) ...)
         PATTERN
 
+        # @!method hook_numblock(node)
+        def_node_matcher :hook_numblock, <<-PATTERN
+          (numblock (send nil? :around sym ?) ...)
+        PATTERN
+
         # @!method find_arg_usage(node)
         def_node_search :find_arg_usage, <<-PATTERN
           {(send $... {:call :run}) (send _ _ $...) (yield $...) (block-pass $...)}
         PATTERN
 
         def on_block(node)
-          hook(node) do |(example_proxy)|
+          hook_block(node) do |(example_proxy)|
             if example_proxy.nil?
               add_no_arg_offense(node)
             else
@@ -50,6 +55,12 @@ def on_block(node)
           end
         end
 
+        def on_numblock(node)
+          hook_numblock(node) do
+            check_for_numblock(node)
+          end
+        end
+
         private
 
         def add_no_arg_offense(node)
@@ -68,6 +79,17 @@ def check_for_unused_proxy(block, proxy)
             message: format(MSG_UNUSED_ARG, arg: name)
           )
         end
+
+        def check_for_numblock(block)
+          find_arg_usage(block) do |usage|
+            return if usage.include?(s(:lvar, :_1))
+          end
+
+          add_offense(
+            block.children.last,
+            message: format(MSG_UNUSED_ARG, arg: :_1)
+          )
+        end
       end
     end
   end

lib/rubocop/cop/rspec/capybara/feature_methods.rb

@@ -68,7 +68,7 @@ class FeatureMethods < Base
             ...)
           PATTERN
 
-          def on_block(node)
+          def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
             return unless inside_example_group?(node)
 
             feature_method(node) do |send_node, match|

lib/rubocop/cop/rspec/context_method.rb

@@ -33,7 +33,7 @@ class ContextMethod < Base
           (block (send #rspec? :context $(str #method_name?) ...) ...)
         PATTERN
 
-        def on_block(node)
+        def on_block(node)  # rubocop:disable InternalAffairs/NumblockHandler
           context_method(node) do |context|
             add_offense(context) do |corrector|
               corrector.replace(node.send_node.loc.selector, 'describe')

lib/rubocop/cop/rspec/context_wording.rb

@@ -43,7 +43,7 @@ class ContextWording < Base
           (block (send #rspec? { :context :shared_context } $(str #bad_prefix?) ...) ...)
         PATTERN
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           context_wording(node) do |context|
             add_offense(context,
                         message: format(MSG, prefixes: joined_prefixes))

lib/rubocop/cop/rspec/described_class.rb

@@ -82,7 +82,7 @@ class DescribedClass < Base
         def_node_search :contains_described_class?,
                         '(send nil? :described_class)'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           # In case the explicit style is used, we need to remember what's
           # being described.
           @described_class, body = described_constant(node)

lib/rubocop/cop/rspec/empty_example_group.rb

@@ -134,7 +134,7 @@ class EmptyExampleGroup < Base
           }
         PATTERN
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return if node.each_ancestor(:def, :defs).any?
           return if node.each_ancestor(:block).any? { |block| example?(block) }
 

lib/rubocop/cop/rspec/empty_hook.rb

@@ -33,7 +33,7 @@ class EmptyHook < Base
           (block $#{send_pattern('#Hooks.all')} _ nil?)
         PATTERN
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           empty_hook?(node) do |hook|
             add_offense(hook) do |corrector|
               corrector.remove(

lib/rubocop/cop/rspec/empty_line_after_example.rb

@@ -47,7 +47,7 @@ class EmptyLineAfterExample < Base
 
         MSG = 'Add an empty line after `%<example>s`.'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless example?(node)
           return if allowed_one_liner?(node)
 

lib/rubocop/cop/rspec/empty_line_after_example_group.rb

@@ -29,7 +29,7 @@ class EmptyLineAfterExampleGroup < Base
 
         MSG = 'Add an empty line after `%<example_group>s`.'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless example_group?(node)
 
           missing_separating_line_offense(node) do |method|

lib/rubocop/cop/rspec/empty_line_after_final_let.rb

@@ -22,7 +22,7 @@ class EmptyLineAfterFinalLet < Base
 
         MSG = 'Add an empty line after the last `%<let>s`.'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless example_group_with_body?(node)
 
           final_let = node.body.child_nodes.reverse.find { |child| let?(child) }

lib/rubocop/cop/rspec/empty_line_after_hook.rb

@@ -66,6 +66,8 @@ def on_block(node)
           end
         end
 
+        alias on_numblock on_block
+
         private
 
         def chained_single_line_hooks?(node)

lib/rubocop/cop/rspec/empty_line_after_subject.rb

@@ -21,7 +21,7 @@ class EmptyLineAfterSubject < Base
 
         MSG = 'Add an empty line after `%<subject>s`.'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless subject?(node)
           return unless inside_example_group?(node)
 

lib/rubocop/cop/rspec/example_length.rb

@@ -52,7 +52,7 @@ class ExampleLength < Base
 
         LABEL = 'Example'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless example?(node)
 
           check_code_length(node)

lib/rubocop/cop/rspec/example_without_description.rb

@@ -57,7 +57,7 @@ class ExampleWithoutDescription < Base
         # @!method example_description(node)
         def_node_matcher :example_description, '(send nil? _ $(str $_))'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless example?(node)
 
           check_example_without_description(node.send_node)

lib/rubocop/cop/rspec/example_wording.rb

@@ -46,7 +46,7 @@ class ExampleWording < Base
           } ...) ...)
         PATTERN
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           it_description(node) do |description_node, message|
             if message.match?(SHOULD_PREFIX)
               add_wording_offense(description_node, MSG_SHOULD)

lib/rubocop/cop/rspec/expect_change.rb

@@ -69,7 +69,7 @@ def on_send(node)
           end
         end
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless style == :method_call
 
           expect_change_with_block(node) do |receiver, message|

lib/rubocop/cop/rspec/expect_in_hook.rb

@@ -26,7 +26,7 @@ class ExpectInHook < Base
         # @!method expectation(node)
         def_node_search :expectation, send_pattern('#Expectations.all')
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless hook?(node)
           return if node.body.nil?
 
@@ -36,6 +36,8 @@ def on_block(node)
           end
         end
 
+        alias on_numblock on_block
+
         private
 
         def message(expect, hook)

lib/rubocop/cop/rspec/factory_bot/attribute_defined_statically.rb

@@ -39,7 +39,7 @@ class AttributeDefinedStatically < Base
             (block (send _ #attribute_defining_method? ...) _ { (begin $...) $(send ...) } )
           PATTERN
 
-          def on_block(node)
+          def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
             attributes = factory_attributes(node) || []
             attributes = [attributes] unless attributes.is_a?(Array) # rubocop:disable Style/ArrayCoercion, Lint/RedundantCopDisableDirective
 

lib/rubocop/cop/rspec/factory_bot/create_list.rb

@@ -71,7 +71,7 @@ class CreateList < Base
             (send {nil? #factory_bot?} :create_list (sym _) (int $_) ...)
           PATTERN
 
-          def on_block(node)
+          def on_block(node) # rubocop:todo InternalAffairs/NumblockHandler
             return unless style == :create_list
 
             return unless n_times_block?(node)

lib/rubocop/cop/rspec/hook_argument.rb

@@ -66,11 +66,13 @@ class HookArgument < Base
 
         # @!method scoped_hook(node)
         def_node_matcher :scoped_hook, <<-PATTERN
-          (block $(send _ #Hooks.all (sym ${:each :example})) ...)
+          ({block numblock} $(send _ #Hooks.all (sym ${:each :example})) ...)
         PATTERN
 
         # @!method unscoped_hook(node)
-        def_node_matcher :unscoped_hook, '(block $(send _ #Hooks.all) ...)'
+        def_node_matcher :unscoped_hook, <<-PATTERN
+          ({block numblock} $(send _ #Hooks.all) ...)
+        PATTERN
 
         def on_block(node)
           hook(node) do |method_send, scope_name|
@@ -86,6 +88,8 @@ def on_block(node)
           end
         end
 
+        alias on_numblock on_block
+
         private
 
         def check_implicit(method_send)

lib/rubocop/cop/rspec/hooks_before_examples.rb

@@ -32,6 +32,7 @@ class HooksBeforeExamples < Base
         def_node_matcher :example_or_group?, <<-PATTERN
           {
             #{block_pattern('{#ExampleGroups.all #Examples.all}')}
+            #{numblock_pattern('{#ExampleGroups.all #Examples.all}')}
             #{send_pattern('#Includes.examples')}
           }
         PATTERN
@@ -42,6 +43,8 @@ def on_block(node)
           check_hooks(node.body) if multiline_block?(node.body)
         end
 
+        alias on_numblock on_block
+
         private
 
         def multiline_block?(block)

lib/rubocop/cop/rspec/instance_spy.rb

@@ -42,7 +42,7 @@ class InstanceSpy < Base
           ...)
         PATTERN
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless example?(node)
 
           null_double(node) do |var, receiver|

lib/rubocop/cop/rspec/iterated_expectation.rb

@@ -28,6 +28,13 @@ class IteratedExpectation < Base
           )
         PATTERN
 
+        # @!method each_numblock?(node)
+        def_node_matcher :each_numblock?, <<-PATTERN
+          (numblock
+            (send ... :each) _ $(...)
+          )
+        PATTERN
+
         # @!method expectation?(node)
         def_node_matcher :expectation?, <<-PATTERN
           (send (send nil? :expect (lvar %)) :to ...)
@@ -41,6 +48,14 @@ def on_block(node)
           end
         end
 
+        def on_numblock(node)
+          each_numblock?(node) do |body|
+            if single_expectation?(body, :_1) || only_expectations?(body, :_1)
+              add_offense(node.send_node)
+            end
+          end
+        end
+
         private
 
         def single_expectation?(body, arg)

lib/rubocop/cop/rspec/leading_subject.rb

@@ -37,7 +37,7 @@ class LeadingSubject < Base
 
         MSG = 'Declare `subject` above any other `%<offending>s` declarations.'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless subject?(node)
           return unless inside_example_group?(node)
 

lib/rubocop/cop/rspec/let_before_examples.rb

@@ -43,7 +43,7 @@ class LetBeforeExamples < Base
           }
         PATTERN
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless example_group_with_body?(node)
 
           check_let_declarations(node.body) if multiline_block?(node.body)

lib/rubocop/cop/rspec/let_setup.rb

@@ -49,7 +49,7 @@ class LetSetup < Base
         # @!method method_called?(node)
         def_node_search :method_called?, '(send nil? %)'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless example_or_shared_group_or_including?(node)
 
           unused_let_bang(node) do |let|

lib/rubocop/cop/rspec/missing_example_group_argument.rb

@@ -22,7 +22,7 @@ module RSpec
       class MissingExampleGroupArgument < Base
         MSG = 'The first argument to `%<method>s` should not be empty.'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless example_group?(node)
           return if node.send_node.arguments?
 

lib/rubocop/cop/rspec/multiple_expectations.rb

@@ -88,7 +88,7 @@ class MultipleExpectations < Base
           (block (send nil? :aggregate_failures ...) ...)
         PATTERN
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless example?(node)
 
           return if example_with_aggregate_failures?(node)

lib/rubocop/cop/rspec/multiple_memoized_helpers.rb

@@ -89,7 +89,7 @@ class MultipleMemoizedHelpers < Base
 
         MSG = 'Example group has too many memoized helpers [%<count>d/%<max>d]'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless spec_group?(node)
 
           count = all_helpers(node).uniq.count

lib/rubocop/cop/rspec/multiple_subjects.rb

@@ -55,7 +55,7 @@ class MultipleSubjects < Base
 
         MSG = 'Do not set more than one subject per example group'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless example_group?(node)
 
           subjects = RuboCop::RSpec::ExampleGroup.new(node).subjects

lib/rubocop/cop/rspec/named_subject.rb

@@ -55,7 +55,7 @@ class NamedSubject < Base
         # @!method subject_usage(node)
         def_node_search :subject_usage, '$(send nil? :subject)'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           if !example_or_hook_block?(node) || ignored_shared_example?(node)
             return
           end