Capybara Google Hello World with screenshot

capybara_google_hello_world.rb

#sudo apt-get install libxslt-dev libxml2-dev
#gem install nokogiri
#gem install capybara
#
#sudo apt-get install libqt4-dev
#sudo apt-get install g++
#
#gem install poltergeist
#
#--------------------------------------------------------------------------------
#
#https://github.com/jonleighton/poltergeist
#
#sudo update-alternatives --install "/bin/phantomjs" "phantomjs" /opt/phantomjs-1.6.1-linux-x86_64-dynamic/bin/phantomjs 1

require 'capybara'
require 'capybara/dsl'
require 'capybara/poltergeist'

Capybara.default_driver = :poltergeist
Capybara.run_server = false
Capybara.app_host = 'http://www.google.com.br'

class MyCapybaraTest
  include Capybara::DSL

  def test_google
    visit('/')
    fill_in 'q', with: "Hello World"
    click_button('Estou com sorte')
    page.driver.render 'random.png'
  end
end

test = MyCapybaraTest.new
test.test_google