url_options

# File actionpack/lib/action_dispatch/testing/integration.rb, line 200
      def url_options
        @url_options ||= default_url_options.dup.tap do |url_options|
          url_options.reverse_merge!(controller.url_options) if controller

          if @app.respond_to?(:routes) && @app.routes.respond_to?(:default_url_options)
            url_options.reverse_merge!(@app.routes.default_url_options)
          end

          url_options.reverse_merge!(:host => host, :protocol => https? ? "https" : "http")
        end
      end