require 'active_model' require 'active_model/serializer' require 'active_model/serializer_support' require 'active_model/serializer/version' require 'active_model/serializer/railtie' if defined?(Rails) begin require 'action_controller' require 'action_controller/serialization' require 'action_controller/serialization_test_case' ActiveSupport.on_load(:after_initialize) do if ::ActionController::Serialization.enabled ActionController::Base.send(:include, ::ActionController::Serialization) ActionController::TestCase.send(:include, ::ActionController::SerializationAssertions) end end rescue LoadError # rails not installed, continuing end