Example Python Chrome Keyboard Navigation Automated Unit Testing Using Selenium 2 WebDriver ChromeDriver

PythonAutoTabber.py

# Import unittest module for creating unit tests
import unittest

# Import time module to implement 
import time

# Import the Selenium 2 module (aka "webdriver")
from selenium import webdriver

# For automating data input
from selenium.webdriver.common.keys import Keys

# For providing custom configurations for Chrome to run
from selenium.webdriver.chrome.options import Options

# --------------------------------------
# Provide a class for the unit test case
class PythonAutoTabberChrome(unittest.TestCase):

	# Anything declared in setUp will be executed for all test cases
	def setUp(self):

		# Define a variable to hold all the configurations we want
		chrome_options = webdriver.ChromeOptions()

		# Define chrome option configurations here ...
		#options.add_argument('--start-maximized')
		
		# Create driver, pass it the path to the chromedriver file and the special configurations you want to run
		self.driver = webdriver.Chrome(executable_path='/Library/Python/2.7/site-packages/selenium/webdriver/chrome/chromedriver', chrome_options=chrome_options)
		
		# Window management hacks because I'm using OS X. On Windows or Linux you could just specify these as a ChromeOption
		self.driver.set_window_size(1920, 1080)
		self.driver.maximize_window()
		
	# An individual test case. Must start with 'test_' (as per unittest module)
	def test_search_in_python_chrome(self):
		
		# Assigning a local variable for the global driver
		driver = self.driver

		# Go to specific page
		driver.get('http://stackoverflow.com/questions/18477689/python-selenium-switch-to-an-alert-and-verify-the-text-within')
		
		# Pauses the screen for 1 second so we have time to confirm it arrived at the right page
		time.sleep(1) 

		# Go to the HTML body so we can tab from the beginning of the HTML content
		driver.find_element_by_tag_name('body').send_keys(Keys.TAB)

		# Count how many elements with the tabindex attribute exist on the page - this is to handle any divs that have been made clickable with a specific tab index
		counterTabIndex = len(driver.find_elements_by_xpath("//*[@tabindex]"))

		# Count how many a link elements exist on the page
		countAnchor = len(driver.find_elements_by_xpath("//a"))

		# Print tabindex element count number to console
		print counterTabIndex, 'elements with a tabindex found on this page'

		# Print a link count number to console
		print countAnchor, 'ahref elements found on this page'

		# Add them together for the total count
		totalCounter = counterTabIndex + countAnchor

		# Loop and tab through all elements. Note the length of the loop is defined by the element count done above
		for x in range(0, totalCounter):
			time.sleep(0.2) 
			driver.switch_to_active_element().send_keys(Keys.TAB)

		# Another pause so we can see what's going on
		time.sleep(1)

	# Anything declared in tearDown will be executed for all test cases
	def tearDown(self):
		# Close the browser. 
		# Note close() will close the current tab, if its the last tab it will close the browser. To close the browser entirely use quit()
		self.driver.close()

# Boilerplate code to start the unit tests
if __name__ == "__main__":
	unittest.main()