tests.py 文件源码

def test_start_dst_invalid_occurrence(self):
        """Test that tzcron updates the offset when moving to DST"""
        cron_expression = "30 1 * * * *"
        timezone = pytz.timezone("Europe/London")
        start = dt.datetime.strptime('2015-03-29T00:00:00',
                                     "%Y-%m-%dT%H:%M:%S")
        start = timezone.localize(start, is_dst=False)
        testee = tzcron.Schedule(cron_expression, timezone, start)
        self.assertRaises(pytz.NonExistentTimeError,
                          lambda: next(testee))