Method test_fromisoformat_datetime

Lib/test/datetimetester.py:3455–3488

(self)

        self.assertIn(f"day 32 must be in range 1..30 for month 4 in year 2009", str(msg.exception))

    def test_fromisoformat_datetime(self):
        # Test that isoformat() is reversible
        base_dates = [
            (1, 1, 1),
            (1900, 1, 1),
            (2004, 11, 12),
            (2017, 5, 30)
        ]

        base_times = [
            (0, 0, 0, 0),
            (0, 0, 0, 241000),
            (0, 0, 0, 234567),
            (12, 30, 45, 234567)
        ]

        separators = [' ', 'T']

        tzinfos = [None, timezone.utc,
                   timezone(timedelta(hours=-5)),
                   timezone(timedelta(hours=2))]

        dts = [self.theclass(*date_tuple, *time_tuple, tzinfo=tzi)
               for date_tuple in base_dates
               for time_tuple in base_times
               for tzi in tzinfos]

        for dt in dts:
            for sep in separators:
                dtstr = dt.isoformat(sep=sep)

                with self.subTest(dtstr=dtstr):
                    dt_rt = self.theclass.fromisoformat(dtstr)
                    self.assertEqual(dt, dt_rt)

    def test_fromisoformat_timezone(self):
        base_dt = self.theclass(2014, 12, 30, 12, 30, 45, 217456)