Check if Capybara opens firefox

capybara-firefox5-test.rb

# coding: utf-8

# Upgrading ruby or firefox selenium tests stopped working.
# Use selenium-webdriver >= 0.2.2 with ruby 1.9.2 and Firefox 5.

require "rubygems"
require "capybara/dsl"

class Test
  include Capybara::DSL

  Capybara.run_server = false

  Capybara.register_driver :selenium_firefox do |app|
    Capybara::Selenium::Driver.new(app, :browser => :firefox, :profile => ENV["firefox_profile"])
  end
  Capybara.current_driver = :selenium_firefox

  Capybara.app_host = "http://www.simpletest.org/"

  def run
    visit("/");
    puts page.has_content?("Familiar with unit testing")

    click_on("JUnit")
    puts page.has_content?("Welcome to JUnit.org!")
    
    puts page.driver.browser.navigate.back

    puts page.has_content?("Familiar with unit testing")
  end
end

Test.new.run