Method test_normalize_time

huey/tests/test_utils.py:41–78

(self)

        time.tzset()

    def test_normalize_time(self):
        ts_local = datetime.datetime(2000, 1, 1, 12, 0, 0)  # Noon on Jan 1.
        ts_utc = ts_local + datetime.timedelta(hours=8)  # For fake tz.
        ts_inv = ts_local - datetime.timedelta(hours=8)

        # Naive datetime.

        # No conversion is applied, as we treat everything as local time.
        self.assertEqual(normalize_time(ts_local, utc=False), ts_local)

        # So we provided a naive timestamp from the localtime (us/pacific),
        # which is 8 hours behind UTC in January.
        self.assertEqual(normalize_time(ts_local, utc=True), ts_utc)

        # TZ-aware datetime in local timezone (Fake US/Pacific).

        # Here we provide a tz-aware timestamp from the localtime (us/pacific).
        ts = datetime.datetime(2000, 1, 1, 12, 0, 0, tzinfo=FakePacific())

        # No conversion, treated as local time.
        self.assertEqual(normalize_time(ts, utc=False), ts_local)

        # Converted to UTC according to rules from our fake tzinfo, +8 hours.
        self.assertEqual(normalize_time(ts, utc=True), ts_utc)

        # TZ-aware datetime in UTC timezone.

        # Here we provide a tz-aware timestamp using UTC timezone.
        ts = datetime.datetime(2000, 1, 1, 12, 0, 0, tzinfo=UTC())

        # Since we're specifying utc=False, we are dealing with localtimes
        # internally. The timestamp passed in is a tz-aware timestamp in UTC.
        # To convert to a naive localtime, we subtract 8 hours (since UTC is
        # 8 hours ahead of our local time).
        self.assertEqual(normalize_time(ts, utc=False), ts_inv)

        # When utc=True there's no change, since the timestamp is already UTC.
        self.assertEqual(normalize_time(ts, utc=True), ts_local)

    def test_zero_delay(self):
        # A delay of zero means "now" -- it is not treated as missing.