RSpec.describe "including controller extensions" do describe "An application controller" do let(:controller) do Class.new(ActionController::Base) end it "includes the controller extensions" do expect(controller.ancestors).to include(ROM::Rails::ControllerExtension) end end if defined?(ActionController::API) describe "An API controller" do let(:controller) do Class.new(ActionController::API) end it "includes the controller extensions" do expect(controller.ancestors).to include(ROM::Rails::ControllerExtension) end end end end