def test_delete(self, create_mock, CleanManagerMock, RLockMock):
cleanManager = CleanManagerMock()
lock = RLockMock()
node = _ExpNode(key='a', value='b', expires=10)
create_mock.return_value = node
cache = LruCache()
cache.add('a', 'b', expires=10)
del cache['a']
cleanManager.add.assert_called_with(node)
cleanManager.on_delete.assert_called()
lock.__enter__.assert_called()
lock.__exit__.assert_called()
