Extensions Docs Server: Large performance increase

chrome/common/extensions/docs/server2/github_file_system_test.py

 #!/usr/bin/env python
 # 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
 import unittest
 
-from appengine_memcache import AppEngineMemcache
 from fake_url_fetcher import FakeUrlFetcher
 from github_file_system import GithubFileSystem
+from in_memory_object_store import InMemoryObjectStore
 
 class FakeBlobstore(object):
   def Set(self, blob, key, version):
     return None
 
   def Get(self, key, version):
     return None
 
   def Delete(self, key, version):
     return None
 
 class FakeGithubFetcher(FakeUrlFetcher):
   class _Response(object):
     def __init__(self, content):
       self.content = content
 
   def Fetch(self, path):
     if path == 'zipball':
       return super(FakeGithubFetcher, self).Fetch('file_system.zip')
     return self._Response('{ "commit": { "tree": { "sha": 0 } } }')
 
 class GithubFileSystemTest(unittest.TestCase):
   def setUp(self):
     self._file_system = GithubFileSystem(FakeGithubFetcher('test_data'),
-                                         AppEngineMemcache('test'),
+                                         InMemoryObjectStore('test'),
                                          FakeBlobstore())
 
   def testReadFiles(self):
     expected = {
       '/test1.txt': 'test1\n',
       '/test2.txt': 'test2\n',
       '/test3.txt': 'test3\n',
     }
     self.assertEqual(
         expected,
         self._file_system.Read(
             ['/test1.txt', '/test2.txt', '/test3.txt']).Get())
 
 def testListDir(self):
   expected = ['dir/']
   for i in range(7):
     expected.append('file%d.html' % i)
   self.assertEqual(expected,
                    sorted(self._file_system.ReadSingle('/list/')))
 
 if __name__ == '__main__':
   unittest.main()