Adding AvailabilityFinder to Doc Server

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

 #!/usr/bin/env python
 # Copyright 2013 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 unittest
 
 from empty_dir_file_system import EmptyDirFileSystem
 from file_system import FileSystem
 from instance_servlet import InstanceServlet
 from servlet import Request
 from test_branch_utility import TestBranchUtility
 from test_util import DisableLogging
 
 # NOTE(kalman): The ObjectStore created by the InstanceServlet is backed onto
 # our fake AppEngine memcache/datastore, so the tests aren't isolated.
 class _TestDelegate(InstanceServlet.Delegate):
   def __init__(self, file_system_type):
     self._file_system_type = file_system_type
 
   def CreateBranchUtility(self, object_store_creator):
-    return TestBranchUtility()
+    return TestBranchUtility.CreateWithCannedData()
 
   def CreateHostFileSystemForBranch(self, branch):
     return self._file_system_type()
 
   def CreateAppSamplesFileSystem(self, object_store_creator):
     return EmptyDirFileSystem()
 
 class _FailOnAccessFileSystem(FileSystem):
   # All this needs to do is implement GetIdentity. All other methods will
   # automatically fail with NotImplementedErrors.
@@ skipping 14 matching lines @@
     test_path('extensions/examples/foo.html')
     test_path('static/foo.css')
     test_path('beta/extensions/storage.html')
     test_path('beta/apps/storage.html')
     test_path('beta/extensions/examples/foo.zip')
     test_path('beta/extensions/examples/foo.html')
     test_path('beta/static/foo.css')
 
 if __name__ == '__main__':
   unittest.main()