Devserver: only populate data during cron jobs, meaning all data from instances

chrome/common/extensions/docs/server2/persistent_object_store_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 persistent_object_store import PersistentObjectStore
+import unittest
+
+class PersistentObjectStoreTest(unittest.TestCase):
+  '''Tests for PersistentObjectStore. These are all a bit contrived because
+  ultimately it comes down to our use of the appengine datastore API, and we
+  mock it out for tests anyway. Who knows whether it's correct.
+  '''
+  def testPersistence(self):
+    # First object store.
+    object_store = PersistentObjectStore('test')
+    object_store.Set('key', 'value')
+    self.assertEqual('value', object_store.Get('key').Get())
+    # Other object store should have it too.
+    another_object_store = PersistentObjectStore('test')
+    self.assertEqual('value', another_object_store.Get('key').Get())
+    # Setting in the other store should set in both.
+    mapping = {'key2': 'value2', 'key3': 'value3'}
+    another_object_store.SetMulti(mapping)
+    self.assertEqual(mapping, object_store.GetMulti(mapping.keys()).Get())
+    self.assertEqual(mapping,
+                     another_object_store.GetMulti(mapping.keys()).Get())
+    # And delete.
+    object_store.DelMulti(mapping.keys())
+    self.assertEqual({}, object_store.GetMulti(mapping.keys()).Get())
+    self.assertEqual({}, another_object_store.GetMulti(mapping.keys()).Get())
+
+  def testNamespaceIsolation(self):
+    object_store = PersistentObjectStore('test')
+    another_object_store = PersistentObjectStore('another')
+    object_store.Set('key', 'value')
+    self.assertEqual(None, another_object_store.Get('key').Get())
+
+if __name__ == '__main__':
+  unittest.main()