[chromedriver] Implement SwitchToFrame command.

chrome/test/chromedriver/test.py

 # Copyright (c) 2012 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 ctypes
 import os
 import sys
 import unittest
@@ skipping 27 matching lines @@
     script = 'return arguments[0].innerHTML + arguments[1].innerHTML';
     self.assertEquals('bc', driver.ExecuteScript(script, stuff[0], stuff[1]))
     driver.Quit()
 
   def testEvaluateInvalidScript(self):
     driver = chromedriver.ChromeDriver(_CHROMEDRIVER_LIB, _CHROME_BINARY)
     self.assertRaises(chromedriver.ChromeDriverException,
                       driver.ExecuteScript, '{{{')
     driver.Quit()
 
+  def testSwitchToFrame(self):
+    driver = chromedriver.ChromeDriver(_CHROMEDRIVER_LIB, _CHROME_BINARY)
+    driver.ExecuteScript(
+        'var frame = document.createElement("iframe");'
+        'frame.id="id";'
+        'frame.name="name";'
+        'document.body.appendChild(frame);')
+    self.assertTrue(driver.ExecuteScript('return window.top == window'))
+    driver.SwitchToFrame('id')
+    self.assertTrue(driver.ExecuteScript('return window.top != window'))
+    driver.SwitchToMainFrame()
+    self.assertTrue(driver.ExecuteScript('return window.top == window'))
+    driver.SwitchToFrame('name')
+    self.assertTrue(driver.ExecuteScript('return window.top != window'))
+    driver.SwitchToMainFrame()
+    self.assertTrue(driver.ExecuteScript('return window.top == window'))
+    driver.SwitchToFrameByIndex(0)
+    self.assertTrue(driver.ExecuteScript('return window.top != window'))
+    driver.Quit()
+
 
 if __name__ == '__main__':
   if len(sys.argv) != 2 and len(sys.argv) != 3:
     print ('Usage: %s <path_to_chromedriver_so> [path_to_chrome_binary]' %
            __file__)
     sys.exit(1)
   global _CHROMEDRIVER_LIB
   _CHROMEDRIVER_LIB = os.path.abspath(sys.argv[1])
   global _CHROME_BINARY
   if len(sys.argv) == 3:
     _CHROME_BINARY = os.path.abspath(sys.argv[2])
   else:
     _CHROME_BINARY = None
   all_tests_suite = unittest.defaultTestLoader.loadTestsFromModule(
       sys.modules[__name__])
   result = unittest.TextTestRunner().run(all_tests_suite)
   sys.exit(len(result.failures) + len(result.errors))