[Fix #1045] Fix an incorrect autocorrect for Rails/NegateInclude

Fixes #1045.

This PR fixes an incorrect autocorrect for `Rails/NegateInclude`
when using `Style/InverseMethods`'s autocorrection together.

Author: koic

changelog/fix_an_incorrect_autocorrect_for_rails_negate_include.md

@@ -0,0 +1 @@
+* [#1045](https://github.com/rubocop/rubocop-rails/issues/1045): Fix an incorrect autocorrect for `Rails/NegateInclude` when using `Style/InverseMethods`'s autocorrection together. ([@koic][])

lib/rubocop-rails.rb

@@ -17,6 +17,14 @@
 
 RuboCop::Cop::Style::HashExcept.minimum_target_ruby_version(2.0)
 
+RuboCop::Cop::Style::InverseMethods.singleton_class.prepend(
+  Module.new do
+    def autocorrect_incompatible_with
+      super.push(RuboCop::Cop::Rails::NegateInclude)
+    end
+  end
+)
+
 RuboCop::Cop::Style::MethodCallWithArgsParentheses.singleton_class.prepend(
   Module.new do
     def autocorrect_incompatible_with

spec/rubocop/cli/autocorrect_spec.rb

@@ -25,6 +25,17 @@
     RUBY
   end
 
+  it 'corrects `Rails/NegateInclude,` with `Style/InverseMethods`' do
+    create_file('example.rb', <<~RUBY)
+      array.select { |item| !do_something.include?(item) }
+    RUBY
+
+    expect(cli.run(['-A', '--only', 'Rails/NegateInclude,Style/InverseMethods'])).to eq(0)
+    expect(File.read('example.rb')).to eq(<<~RUBY)
+      array.reject { |item| do_something.include?(item) }
+    RUBY
+  end
+
   it 'corrects `Rails/SafeNavigation` with `Style/RedundantSelf`' do
     create_file('.rubocop.yml', <<~YAML)
       Rails/SafeNavigation: