Merge pull request #995 from masato-bkn/improve_rails_find_each

Check for `or` method in `Rails/FindEach` cop

Author: koic

changelog/change_check_for_or_method_in_rails_find_each.md

@@ -0,0 +1 @@
+* [#995](https://github.com/rubocop/rubocop-rails/pull/995): Check for `or` method in `Rails/FindEach` cop. ([@masato-bkn][])

lib/rubocop/cop/rails/find_each.rb

@@ -34,7 +34,7 @@ class FindEach < Base
         RESTRICT_ON_SEND = %i[each].freeze
 
         SCOPE_METHODS = %i[
-          all eager_load includes joins left_joins left_outer_joins not preload
+          all eager_load includes joins left_joins left_outer_joins not or preload
           references unscoped where
         ].freeze
 

spec/rubocop/cop/rails/find_each_spec.rb

@@ -28,6 +28,7 @@
   it_behaves_like('register_offense', 'joins(:association_name)')
   it_behaves_like('register_offense', 'left_joins(:association_name)')
   it_behaves_like('register_offense', 'left_outer_joins(:association_name)')
+  it_behaves_like('register_offense', 'where(name: name).or(User.where(age: age))')
   it_behaves_like('register_offense', 'preload(:association_name)')
   it_behaves_like('register_offense', 'references(:association_name)')
   it_behaves_like('register_offense', 'unscoped')