def test_created(self):
"""
Check the DataStore base class gets the requested item and returns the
creation timestamp that the publisher has associated with the item.
"""
self.assertTrue(hasattr(DataStore, 'created'))
ds = DataStore()
timestamp = time.time()
val = {
'timestamp': timestamp
}
ds._get_item = MagicMock(return_value=(val, None, 0.0))
result = ds.created('foo')
self.assertEqual(timestamp, result)
ds._get_item.assert_called_once_with('foo')
