walker.rb

#!/bin/env ruby
#

require 'rubygems'
require 'capybara'
require 'capybara/dsl'
require 'capybara-webkit'
require 'nokogiri'
require 'uri'
require 'net/https'

class CapybaraWalker
  include Capybara

  attr_accessor :doc, :name, :home

  def open(args)
    Capybara.visit(args[:target])
  end

  def type(args)
    Capybara.fill_in(args[:target], :with => args[:arg])
  end

  def clickAndWait(args)
    Capybara.click_on(args[:target])
  end

  def initialize(url)
    @uri = URI.parse(url)
    @doc = Nokogiri::HTML.parse(Net::HTTP.get(URI.parse(url)))
    @home =  URI.parse(@doc.xpath('/html/head/link[@rel="selenium.base"]/@href').first.value)

    Capybara.default_driver = :webkit
    Capybara.run_server = false
    Capybara.app_host = 'http://code.google.com/'

    Capybara.visit(@home)

    @doc.xpath('/html/body/table/tbody/tr').each do |e|
      action = e.xpath('td[1]').first.text
      target = e.xpath('td[2]').first.text
      arg = e.xpath('td[3]').first.text

      self.send action,{:target => target, :arg => arg}
    end
  end
end

walker = CapybaraWalker.new('http://localhost:8000/testcase.html')