Docserver: there is only one.

chrome/common/extensions/docs/server2/samples_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 sys
 import unittest
 
 from samples_data_source import SamplesDataSource
 from servlet import Request
 
 class SamplesDataSourceTest(unittest.TestCase):
   def setUp(self):
     self._base_path = os.path.join(sys.path[0],
                                    'test_data',
                                    'samples_data_source')
 
   def _ReadLocalFile(self, filename):
     with open(os.path.join(self._base_path, filename), 'r') as f:
       return f.read()
 
   def _FakeGet(self, key):
     return json.loads(self._ReadLocalFile(key))
 
   def testFilterSamples(self):
-    sds = SamplesDataSource({}, {}, 'fake_path', Request.ForTest('/'))
+    sds = SamplesDataSource({}, {}, 'fake_path', '.', Request.ForTest('/'))
     sds.get = self._FakeGet
     self.assertEquals(json.loads(self._ReadLocalFile('expected.json')),
                       sds.FilterSamples('samples.json', 'bobaloo'))
 
 if __name__ == '__main__':
   unittest.main()