check_controller_and_action

# File actionpack/lib/action_dispatch/routing/mapper.rb, line 291
          def check_controller_and_action(path_params, controller, action)
            hash = check_part(:controller, controller, path_params, {}) do |part|
              translate_controller(part) {
                message = +"'#{part}' is not a supported controller name. This can lead to potential routing problems."
                message << " See https://guides.rubyonrails.org/routing.html#specifying-a-controller-to-use"

                raise ArgumentError, message
              }
            end

            check_part(:action, action, path_params, hash) { |part|
              part.is_a?(Regexp) ? part : part.to_s
            }
          end