setup_controller_request_and_response

# File actionpack/lib/action_controller/test_case.rb, line 189
    def setup_controller_request_and_response
      @request = TestRequest.new
      @response = TestResponse.new

      if klass = self.class.controller_class
        @controller ||= klass.new rescue nil
      end

      if @controller
        @controller.request = @request
        @controller.params = {}
        @controller.send(:initialize_current_url)
      end
    end