class ActionDispatch::Routing::RouteSet

def recognize_path(path, environment = {})
  method = (environment[:method] || "GET").to_s.upcase
  path = Journey::Router::Utils.normalize_path(path) unless path =~ %r{://}
  extras = environment[:extras] || {}
  begin
    env = Rack::MockRequest.env_for(path, {:method => method})
  rescue URI::InvalidURIError => e
    raise ActionController::RoutingError, e.message
  end
  req = @request_class.new(env)
  @router.recognize(req) do |route, _matches, params|
    params.merge!(extras)
    params.each do |key, value|
      if value.is_a?(String)
        value = value.dup.force_encoding(Encoding::BINARY)
        params[key] = URI.parser.unescape(value)
      end
    end
    old_params = env[::ActionDispatch::Routing::RouteSet::PARAMETERS_KEY]
    env[::ActionDispatch::Routing::RouteSet::PARAMETERS_KEY] = (old_params || {}).merge(params)
    dispatcher = route.app
    while dispatcher.is_a?(Mapper::Constraints) && dispatcher.matches?(env) do
      dispatcher = dispatcher.app
    end
    if dispatcher.is_a?(Dispatcher)
      if dispatcher.controller(params, false)
        dispatcher.prepare_params!(params)
        return params
      else
        raise ActionController::RoutingError, "A route matches #{path.inspect}, but references missing controller: #{params[:controller].camelize}Controller"
      end
    end
  end
  raise ActionController::RoutingError, "No route matches #{path.inspect}"
end