Chrome remote control multipage tests: Add interactions.

tools/chrome_remote_control/chrome_remote_control/inspector_page_unittest.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 os
+
 from chrome_remote_control import tab_test_case
 
 class InspectorPageTest(tab_test_case.TabTestCase):
+  def __init__(self, *args):
+    super(InspectorPageTest, self).__init__(*args)
+    self._custom_action_called = False
+
   def testPageNavigateToNormalUrl(self):
     self._tab.page.Navigate('http://www.google.com')
     self._tab.WaitForDocumentReadyStateToBeComplete()
 
   def testPageNavigateToUrlChanger(self):
     # The Url that we actually load is http://www.youtube.com/.
     self._tab.page.Navigate('http://youtube.com/')
 
     self._tab.WaitForDocumentReadyStateToBeComplete()
 
   def testPageNavigateToImpossibleURL(self):
     self._tab.page.Navigate('http://23f09f0f9fsdflajsfaldfkj2f3f.com')
     self._tab.WaitForDocumentReadyStateToBeComplete()
+
+  def testCustomActionToNavigate(self):
+    unittest_data_dir = os.path.join(os.path.dirname(__file__),
+                                     '..', 'unittest_data')
+    self._browser.SetHTTPServerDirectory(unittest_data_dir)
+    self._tab.page.Navigate(
+      self._browser.http_server.UrlOf('page_with_link.html'))
+    self._tab.WaitForDocumentReadyStateToBeComplete()
+    self.assertEquals(self._tab.runtime.Evaluate('document.location.pathname;'),
+                      '/page_with_link.html')
+
+    self._custom_action_called = False
+    def CustomAction():
+      self._custom_action_called = True
+      self._tab.runtime.Execute('document.getElementById("clickme").click();')
+
+    self._tab.page.PerformActionAndWaitForNavigate(CustomAction)
+
+    self.assertTrue(self._custom_action_called)
+    self.assertEquals(self._tab.runtime.Evaluate('document.location.pathname;'),
+                      '/blank.html')