Adds an automation hook WaitUntilNavigationCompletes() which blocks until pending navigation comple…

chrome/test/functional/apptest.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.
 
 import pyauto_functional  # must be imported before pyauto
 import pyauto
 
 class PyAutoEventsTest(pyauto.PyUITest):
   """Tests using the event queue."""
 
@@ skipping 25 matching lines @@
     self.NavigateToURL(url)
     self.GetNextEvent(self.AddDomMutationObserver('exists', '/html/body'))
     self.GetNextEvent(self.AddDomMutationObserver('add', 'id("login")',
                                                   expected_value='Log In'))
     success_id = self.AddDomMutationObserver('change', 'id("console")',
                                              expected_value='.*succeeded.*')
     self.NewWebDriver().find_element_by_id('login').click()
     self.GetNextEvent(self.AddDomMutationObserver('remove', 'id("fail")/a'))
     self.GetNextEvent(success_id)
 
+  def testWaitUntilNavigationCompletes(self):
+    """Basic test for WaitUntilNavigationCompletes."""
+    url = self.GetHttpURLForDataPath('apptest', 'dom_mutations.html')
+    js = """window.location.href = "%s";
+            window.domAutomationController.send("done");""" % url
+    self.ExecuteJavascript(js)
+    self.WaitUntilNavigationCompletes()
+    self.WaitForDomNode('id("login")')
+
   def _ExpectEvent(self, event_id, expected_event_name):
     """Checks that the next event is expected."""
     e = self.GetNextEvent(event_id)
     self.assertEqual(e.get('name'), expected_event_name,
                      msg="unexpected event: %s" % e)
 
 
 if __name__ == '__main__':
   pyauto_functional.Main()