Sample Watir Unit Test

login_test.rb

require 'rubygems'
require 'test/unit'
require 'watir-webdriver'

class LoginTest < Test::Unit::TestCase

  def setup
    @browser = Watir::Browser.new :ff
  end

  def teardown
    @browser.close
  end

  def test_login
    @browser.goto "challengepost.com"

    @browser.link(:text, "Log in").click

    @browser.text_field(:id, "user_email").set("")

    @browser.text_field(:id, "user_password").set("")

    @browser.button(:id, "user_submit").click

    assert(@browser.text.include?("foobar"))
  end

end