Extensions Docs Server: Efficient MemcacheFileSystem

chrome/common/extensions/docs/server2/api_data_source_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 json
 import os
 import unittest
 
 from file_system_cache import FileSystemCache
@@ skipping 18 matching lines @@
                                                 './',
                                                 FakeSamplesDataSource())
     data_source = data_source_factory.Create({})
 
     # Take the dict out of the list.
     expected = json.loads(self._ReadLocalFile('expected_test_file.json'))
     expected['permissions'] = None
     self.assertEqual(expected, data_source['test_file'])
     self.assertEqual(expected, data_source['testFile'])
     self.assertEqual(expected, data_source['testFile.html'])
-    self.assertRaises(OSError, data_source.get, 'junk')
+    self.assertRaises(IOError, data_source.get, 'junk')
 
 if __name__ == '__main__':
   unittest.main()