Docserver: there is only one.

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_file_system import TestFileSystem
 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()
-
-  def CreateHostFileSystemForBranch(self, branch):
-    return self._file_system_type()
+class _FailOnAccessDelegate(InstanceServlet.Delegate):
+  def CreateHostFileSystem(self):
+    # All this needs to do is implement GetIdentity. All other methods will
+    # automatically fail with NotImplementedErrors.
+    class FailFS(FileSystem):
+      def GetIdentity(self):
+        return '42'
+    return FailFS()
 
   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.
-  def GetIdentity(self):
-    return '42'
-
 class InstanceServletTest(unittest.TestCase):
   @DisableLogging('warning')
   def testHostFileSystemNotAccessed(self):
-    delegate = _TestDelegate(_FailOnAccessFileSystem)
-    constructor = InstanceServlet.GetConstructor(delegate_for_test=delegate)
+    constructor = InstanceServlet.GetConstructor(
+        delegate_for_test=_FailOnAccessDelegate())
     def test_path(path):
       response = constructor(Request.ForTest(path)).Get()
       self.assertEqual(404, response.status)
     test_path('extensions/storage.html')
     test_path('apps/storage.html')
     test_path('extensions/examples/foo.zip')
     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()