class WWW::Mechanize::Chain::RequestResolver

def add_field(*args); end

def each_header; end

def handle(ctx, params)
  uri = params[:uri]
  if %w{ http https }.include?(uri.scheme.downcase)
    klass = Net::HTTP.const_get(params[:verb].to_s.capitalize)
    params[:request] ||= klass.new(uri.request_uri)
  end
  if %w{ file }.include?(uri.scheme.downcase)
    o = Struct.new(:uri).new(uri)
    class << o
      def add_field(*args); end
      alias :[]= :add_field
      def path
        uri.path
      end
      def each_header; end
    end
    params[:request] ||= o
  end
  super
end

def path
  uri.path
end