lib/rubocop/cop/rails/duplicate_association.rb in rubocop-rails-2.22.0 vs lib/rubocop/cop/rails/duplicate_association.rb in rubocop-rails-2.22.1

@@ -19,16 +19,16 @@
       #   # good
       #   belongs_to :bar
       #   has_one :foo
       #
       #   # bad
-      #   belongs_to :foo, class_name: 'Foo'
-      #   belongs_to :bar, class_name: 'Foo'
+      #   has_many :foo, class_name: 'Foo'
+      #   has_many :bar, class_name: 'Foo'
       #   has_one :baz
       #
       #   # good
-      #   belongs_to :bar, class_name: 'Foo'
+      #   has_many :bar, class_name: 'Foo'
       #   has_one :foo
       #
       class DuplicateAssociation < Base
         include RangeHelp
         extend AutoCorrector
@@ -85,10 +85,11 @@
 
           leave_duplicated_association(grouped_associations)
         end
 
         def duplicated_class_name_nodes(association_nodes)
-          grouped_associations = association_nodes.group_by do |node|
+          filtered_nodes = association_nodes.reject { |node| node.method?(:belongs_to) }
+          grouped_associations = filtered_nodes.group_by do |node|
             arguments = association(node).last
             next unless arguments.count == 1
 
             if (class_name = class_name(arguments.first))
               class_name.source