clean up lazy loading of serialization support for ActiveRecord::Base and ActionController::Base

test/serializer_support_test.rb

@@ -9,6 +9,8 @@ class RandomModelCollection
 end
 
 module ActiveRecord
+  class Base
+  end
   class Relation
   end
 end
@@ -26,5 +28,15 @@ class SerializerSupportTest < ActiveModel::TestCase
     ActiveSupport.run_load_hooks(:active_record)
     assert_equal ActiveModel::ArraySerializer, ActiveRecord::Relation.new.active_model_serializer
   end
+
+  test "it automatically includes serializer support in active_record/base" do
+    ActiveSupport.run_load_hooks(:active_record)
+    assert ActiveRecord::Base.new.respond_to?(:active_model_serializer)
+  end
+
+  test "it automatically includes serializer support in action_controller/base" do
+    ActiveSupport.run_load_hooks(:action_controller)
+    assert ActionController::Base.new.respond_to?(:serialization_scope)
+  end
 end