[Culprit-Finder] Seperate gae related part in cache_decorator and gitile repository to gae_libs/

appengine/findit/util_scripts/test/local_cache_test.py

 # Copyright 2015 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 __builtin__
 import mock
 import os
 import pickle
 import zlib
 
 from testing_utils import testing
 
 import local_cache
 
 
 class LocalCacheTest(testing.AppengineTestCase):
 
-  def testLocalCacher(self):
+  def testLocalCache(self):
     fake_dir = 'fake_dir'
-    cacher = local_cache.LocalCacher(cache_dir=fake_dir)
+    cacher = local_cache.LocalCache(cache_dir=fake_dir)
     def _MockPathExists(path, *_):
       return False if path == os.path.join(
           fake_dir, 'uncached_key') else True
     self.mock(os.path, 'exists', _MockPathExists)
 
     value = 'val'
     with mock.patch('__builtin__.open', mock.mock_open(
         read_data=zlib.compress(pickle.dumps(value)))) as m:
       cacher.Set('a', 'b')
       m.assert_called_once_with(os.path.join(fake_dir, 'a'), 'wb')
       self.assertEqual(value, cacher.Get('key'))
       self.assertIsNone(cacher.Get('uncached_key'))