require './test/test_helper' require 'action_controller' require 'action_controller/test_case' class CustomStrategyTest < ActionController::TestCase tests RendersController setup do VersionCake::Configuration.any_instance.stubs(:extraction_strategy => lambda { |request| 2 }) end test "renders version 2 of the partial based on the header Accept" do get :index assert_equal "template v2", @response.body end end