Docserver: SidenavDataSource refactor, transition to DataSourceRegistry

chrome/common/extensions/docs/server2/manifest_data_source_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.
 
 from copy import deepcopy
 import json
 import unittest
 
 from compiled_file_system import CompiledFileSystem
 import manifest_data_source
 from object_store_creator import ObjectStoreCreator
 from test_file_system import TestFileSystem
 
+
 convert_and_annotate_docs = {
   'name': {
     'example': "My {{title}}",
     'name': 'name',
     'level': 'required'
   },
   'doc2': {
     'level': 'required',
     'name': 'doc2'
   },
@@ skipping 23 matching lines @@
   'doc5': {
     'level': 'only_one',
     'name': 'doc5'
   },
   'doc6': {
     'level': 'optional',
     'name': 'doc6'
   }
 }
 
+
 class ManifestDataSourceTest(unittest.TestCase):
   def testListifyAndSortDocs(self):
     expected_docs = [
       {
         'level': 'required',
         'name': 'doc1',
         'children': [
           {
             'level': 'required',
             'name': 'sub2'
@@ skipping 180 matching lines @@
     ]
 
     class FakeServerInstance(object):
       def __init__(self):
         self.host_file_system = file_system
         self.compiled_host_fs_factory = CompiledFileSystem.Factory(
             file_system, ObjectStoreCreator.ForTest())
         self.manifest_json_path = 'manifest.json'
         self.manifest_features_path = '_manifest_features.json'
 
-    mds = manifest_data_source.ManifestDataSource(FakeServerInstance())
-    self.maxDiff = None
+    mds = manifest_data_source.ManifestDataSource(FakeServerInstance(), None)
     self.assertEqual(expected_app, mds.get('apps'))
 
 if __name__ == '__main__':
   unittest.main()