# File lib/action_controller/test_case.rb, line 440
      def paramify_values(hash_or_array_or_value)
        case hash_or_array_or_value
        when Hash
          Hash[hash_or_array_or_value.map{|key, value| [key, paramify_values(value)] }]
        when Array
          hash_or_array_or_value.map {|i| paramify_values(i)}
        when Rack::Test::UploadedFile, ActionDispatch::Http::UploadedFile
          hash_or_array_or_value
        else
          hash_or_array_or_value.to_param
        end
      end