Benchmark of three ruby testing APIS

results.txt

                        user     system      total        real
selenium-webdriver  1.820000   0.830000  24.010000 ( 67.492727)
watir-webdriver     1.850000   0.840000  24.200000 ( 64.550630)
capybara            1.810000   0.830000  25.160000 ( 69.461563)

webtestbench.rb

# * Start browser
# * Navigate to watir-webdriver-demo form
# * Check whether text field with id 'entry_0' exists
# * Check whether text field with id 'entry_99' exists
# * Set text field with id 'entry_0' to '1'
# * Set text field with id 'entry_0' to '2'
# * Select 'Ruby' from select list with id 'entry_1'
# * Click the Submit button

require 'bench'
require 'selenium-webdriver'
require 'watir-webdriver'
require 'capybara/dsl'

benchmark 'selenium-webdriver' do  
  driver = Selenium::WebDriver.for :firefox
  driver.navigate.to 'http://bit.ly/watir-webdriver-demo'
  begin
    driver.find_element(:id, 'entry_0')
  rescue Selenium::WebDriver::Error::NoSuchElementError
    # doesn't exist
  end
  begin
    driver.find_element(:id, 'entry_99').displayed? 
  rescue Selenium::WebDriver::Error::NoSuchElementError
    # doesn't exist
  end  
  driver.find_element(:id, 'entry_0').clear
  driver.find_element(:id, 'entry_0').send_keys '1' 
  driver.find_element(:id, 'entry_0').clear
  driver.find_element(:id, 'entry_0').send_keys '2'
  driver.find_element(:id, 'entry_1').find_element(:tag_name => 'option', :value => 'Ruby').click
  driver.find_element(:name, 'submit').click
  driver.quit
end

benchmark 'watir-webdriver' do
  b = Watir::Browser.start 'bit.ly/watir-webdriver-demo', :firefox
  b.text_field(:id => 'entry_0').exists?
  b.text_field(:id => 'entry_99').exists?
  b.text_field(:id => 'entry_0').set '1'
  b.text_field(:id => 'entry_0').set '2'
  b.select_list(:id => 'entry_1').select 'Ruby'
  b.button(:name => 'submit').click
  b.close
end

benchmark 'capybara' do
  Capybara.app_host = 'http://bit.ly/watir-webdriver-demo'
  include Capybara::DSL
  session = Capybara::Session.new(:selenium)
  session.visit('http://bit.ly/watir-webdriver-demo')
  begin
    session.find_by_id('entry_0').visible?
  rescue Capybara::ElementNotFound
    # false
  end
  begin
    session.find_by_id('entry_0').visible?
  rescue
    #false
  end
  session.fill_in 'entry_0', :with => '1'
  session.fill_in 'entry_0', :with => '2'
  session.select 'Ruby', :from => 'entry_1'
  session.click_button 'Submit'
  session.driver.quit
end

run 10