util_test.py 文件源码

def test_round_trip(self):
        """Test ms -> dt -> ms and dt -> ms -> dt"""

        # ms -> dt -> ms
        to_dt = dt_from_ms(self.ms_reference)
        from_dt = ms_from_dt(to_dt)
        self.assertEqual(from_dt, self.ms_reference)

        # dt -> ms -> dt to test rounding in aware_utcnow()
        now = aware_utcnow()
        to_ms = ms_from_dt(now)
        back_to_dt = dt_from_ms(to_ms)
        self.assertEqual(now, back_to_dt)

        # dt from unixtime -> ms -> dt
        utc = datetime.datetime.utcfromtimestamp(1459442035).replace(tzinfo=pytz.UTC)
        utcms = ms_from_dt(utc)
        back_to_utc = dt_from_ms(utcms)
        self.assertEqual(utc, back_to_utc)