Looking into all changed files to find actions.xml.

chrome/browser/resources/PRESUBMIT_test.py

 # Copyright 2014 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
 import sys
 import imp
 import tempfile
 import unittest
 import PRESUBMIT
 
 sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(
     os.path.abspath(__file__))))))
-from PRESUBMIT_test_mocks import MockFile, MockInputApi, MockOutputApi
+from PRESUBMIT_test_mocks import MockInputApi, MockOutputApi
+from PRESUBMIT_test_mocks import MockFile, MockChange
 
 class HTMLActionAdditionTest(unittest.TestCase):
 
   def testActionXMLChanged(self):
     mock_input_api = MockInputApi()
-    mock_input_api.files = [
-      MockFile('path/valid.html', ''),
-      MockFile('actions.xml', '') ]
-
+    lines = ['<input id="testinput" pref="testpref"',
+             'metric="validaction" type="checkbox" dialog-pref>']
+    mock_input_api.files = [MockFile('path/valid.html', lines)]
+    mock_input_api.change = MockChange(['path/valid.html','actions.xml'])
     action_xml_path = self._createActionXMLFile()
     self.assertEqual([], PRESUBMIT.CheckUserActionUpdate(mock_input_api,
                                                          MockOutputApi(),
                                                          action_xml_path))
 
   def testValidChange_StartOfLine(self):
     lines = ['<input id="testinput" pref="testpref"',
              'metric="validaction" type="checkbox" dialog-pref>']
     self.assertEqual([], self._testChange(lines))
 
@@ skipping 57 matching lines @@
     action_xml_path = os.path.join(sys_temp, 'actions_test.xml')
     if not os.path.exists(action_xml_path):
       with open(action_xml_path, 'w+') as action_file:
         action_file.write(content)
 
     return action_xml_path
 
 
 if __name__ == '__main__':
   unittest.main()