[chromedriver] Added option to make element references W3C compliant.

chrome/test/chromedriver/test/run_py_tests.py

 #!/usr/bin/env python
 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """End to end tests for ChromeDriver."""
 
 import base64
 import json
 import math
@@ skipping 1268 matching lines @@
       'page_with_frame.html')
     url = 'file://' + urllib.pathname2url(path)
     self._driver.Load(url)
     frame = self._driver.FindElement('id', 'frm')
     self._driver.SwitchToFrame(frame)
     a = self._driver.FindElement('id', 'btn')
     a.Click()
     self.WaitForCondition(lambda: self._driver.IsAlertOpen())
     self._driver.HandleAlert(True)
 
+  def testElementReference(self):
+    self._driver.Load(self.GetHttpUrlForFile('/chromedriver/element_ref.html'))
+    element = self._driver.FindElement('id', 'link')
+    self._driver.FindElements('tag name', 'br')
+    w3c_id_length = 36
+    if (self._driver.w3c_compliant):
+      print element._id
+      self.assertEquals(len(element._id), w3c_id_length)
 
 class ChromeDriverPageLoadTimeoutTest(ChromeDriverBaseTestWithWebServer):
 
   class _RequestHandler(object):
     def __init__(self):
       self.request_received_event = threading.Event()
       self.send_response_event = threading.Event()
 
     def handle(self, request):
       self.request_received_event.set()
@@ skipping 877 matching lines @@
 
   all_tests_suite = unittest.defaultTestLoader.loadTestsFromModule(
       sys.modules[__name__])
   tests = unittest_util.FilterTestSuite(all_tests_suite, options.filter)
   ChromeDriverTest.GlobalSetUp()
   MobileEmulationCapabilityTest.GlobalSetUp()
   result = unittest.TextTestRunner(stream=sys.stdout, verbosity=2).run(tests)
   ChromeDriverTest.GlobalTearDown()
   MobileEmulationCapabilityTest.GlobalTearDown()
   sys.exit(len(result.failures) + len(result.errors))