from selenium import webdriver
from selenium.common.exceptions import NoSuchElementException
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import WebDriverWait
import time, re

#browser init
browser = webdriver.Firefox()

#wait template : 3 seconds
wait = WebDriverWait(browser, 3)

#goto google
browser.get('http://www.google.com')

#verify title using python internal assert
assert 'Google' in browser.title

#type cheese in the search area then submit
elem = browser.find_element_by_name('q')
elem.send_keys('cheese')
elem.submit()

#wait until we get the search results
#see http://seleniumhq.org/docs/04_webdriver_advanced.html for details
wait.until(lambda d : d.title.lower().startswith('cheese'))

assert 'cheese' in browser.title

#goto to translate tools
browser.find_element_by_link_text('Plus').click()

#wait until the menu is displayed (french)
#ExpectedConditions.elementsToBeClickable is not available in python
#instead we can use is_displayed()
#see http://selenium-python.readthedocs.org/en/latest/api.html
wait.until(lambda d : d.find_element_by_link_text('Traduction').is_displayed())

#translate from english to french
browser.find_element_by_link_text('Traduction').click()
assert 'fromage' in browser.find_element_by_id('result_box').text