Support additional user presubmit scripts named PRESUBMIT*.py.

testing_support/super_mox.py

 # Copyright (c) 2011 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.
 
 """Simplify unit tests based on pymox."""
 
 import os
 import random
 import shutil
 import string
@@ skipping 94 matching lines @@
     # pylint: disable=E1101
     self.assertEquals(expected, value)
 
 
 class SuperMoxTestBase(TestCaseUtils, StdoutCheck, mox.MoxTestBase):
   def setUp(self):
     """Patch a few functions with know side-effects."""
     TestCaseUtils.setUp(self)
     mox.MoxTestBase.setUp(self)
     os_to_mock = ('chdir', 'chown', 'close', 'closerange', 'dup', 'dup2',
-      'fchdir', 'fchmod', 'fchown', 'fdopen', 'getcwd', 'lseek',
+      'fchdir', 'fchmod', 'fchown', 'fdopen', 'getcwd', 'listdir', 'lseek',
       'makedirs', 'mkdir', 'open', 'popen', 'popen2', 'popen3', 'popen4',
       'read', 'remove', 'removedirs', 'rename', 'renames', 'rmdir', 'symlink',
       'system', 'tmpfile', 'walk', 'write')
     self.MockList(os, os_to_mock)
     os_path_to_mock = ('abspath', 'exists', 'getsize', 'isdir', 'isfile',
       'islink', 'ismount', 'lexists', 'realpath', 'samefile', 'walk')
     self.MockList(os.path, os_path_to_mock)
     self.MockList(shutil, ('rmtree'))
     self.MockList(subprocess, ('call', 'Popen'))
     # Don't mock stderr since it confuses unittests.
@@ skipping 15 matching lines @@
         except TypeError, e:
           raise TypeError(
               'Couldn\'t mock %s in %s: %s' % (item, parent.__name__, e))
 
   def UnMock(self, obj, name):
     """Restore an object inside a test."""
     for (parent, old_child, child_name) in self.mox.stubs.cache:
       if parent == obj and child_name == name:
         setattr(parent, child_name, old_child)
         break