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

chrome/common/extensions/docs/server2/test_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 test_object_store import TestObjectStore
 import unittest
 
 class TestObjectStoreTest(unittest.TestCase):
   def testEmpty(self):
     store = TestObjectStore('namespace')
     self.assertEqual(None, store.Get('hi').Get())
     self.assertEqual({}, store.GetMulti(['hi', 'lo']).Get())
 
   def testNonEmpty(self):
     store = TestObjectStore('namespace')
     store.Set('hi', 'bye')
     self.assertEqual('bye', store.Get('hi').Get())
     self.assertEqual({'hi': 'bye'}, store.GetMulti(['hi', 'lo']).Get())
     store.Set('hi', 'blah')
     self.assertEqual('blah', store.Get('hi').Get())
     self.assertEqual({'hi': 'blah'}, store.GetMulti(['hi', 'lo']).Get())
-    store.Delete('hi')
+    store.Del('hi')
     self.assertEqual(None, store.Get('hi').Get())
     self.assertEqual({}, store.GetMulti(['hi', 'lo']).Get())
 
+  def testCheckAndReset(self):
+    store = TestObjectStore('namespace')
+    store.Set('x', 'y')
+    self.assertTrue(store.CheckAndReset(set_count=1))
+    store.Set('x', 'y')
+    store.Set('x', 'y')
+    self.assertTrue(store.CheckAndReset(set_count=2))
+    store.Set('x', 'y')
+    store.Set('x', 'y')
+    store.Get('x')
+    store.Get('x')
+    store.Get('x')
+    store.Del('x')
+    self.assertTrue(store.CheckAndReset(get_count=3, set_count=2, del_count=1))
+
 if __name__ == '__main__':
   unittest.main()