# File lib/t/authorizable.rb, line 14
    def generate_authorize_url(request_token)
      request = consumer.create_signed_request(:get, consumer.authorize_path, request_token, pin_auth_parameters)
      params = request['Authorization'].sub(/^OAuth\s+/, '').split(/,\s+/).map do |param|
        key, value = param.split('=')
        value =~ /"(.*?)"/
        "#{key}=#{CGI::escape($1)}"
      end.join('&')
      "#{base_url}#{request.path}?#{params}"
    end