Method test_fromisoformat_fails_datetime

Lib/test/datetimetester.py:3706–3755

(self)

                self.assertEqual(actual, expected)

    def test_fromisoformat_fails_datetime(self):
        # Test that fromisoformat() fails on invalid values
        bad_strs = [
            '',                             # Empty string
            '\ud800',                       # bpo-34454: Surrogate code point
            '2009.04-19T03',                # Wrong first separator
            '2009-04.19T03',                # Wrong second separator
            '2009-04-19T0a',                # Invalid hours
            '2009-04-19T03:1a:45',          # Invalid minutes
            '2009-04-19T03:15:4a',          # Invalid seconds
            '2009-04-19T03;15:45',          # Bad first time separator
            '2009-04-19T03:15;45',          # Bad second time separator
            '2009-04-19T03:15:4500:00',     # Bad time zone separator
            '2009-04-19T03:15:45.123456+24:30',    # Invalid time zone offset
            '2009-04-19T03:15:45.123456-24:30',    # Invalid negative offset
            '2009-04-10ᛇᛇᛇᛇᛇ12:15',         # Unicode chars
            '2009-04\ud80010T12:15',        # Surrogate char in date
            '2009-04-10T12\ud80015',        # Surrogate char in time
            '2009-04-19T1',                 # Incomplete hours
            '2009-04-19T12:3',              # Incomplete minutes
            '2009-04-19T12:30:4',           # Incomplete seconds
            '2009-04-19T12:',               # Ends with time separator
            '2009-04-19T12:30:',            # Ends with time separator
            '2009-04-19T12:30:45.',         # Ends with time separator
            '2009-04-19T12:30:45.123456+',  # Ends with timezone separator
            '2009-04-19T12:30:45.123456-',  # Ends with timezone separator
            '2009-04-19T12:30:45.123456-05:00a',    # Extra text
            '2009-04-19T12:30:45.123-05:00a',       # Extra text
            '2009-04-19T12:30:45-05:00a',           # Extra text
            '2009-04-19T24:00:00.000001',  # Has non-zero microseconds on 24:00
            '2009-04-19T24:00:01.000000',  # Has non-zero seconds on 24:00
            '2009-04-19T24:01:00.000000',  # Has non-zero minutes on 24:00
            '2009-04-32T24:00:00.000000',  # Day is invalid before wrapping due to 24:00
            '2009-13-01T24:00:00.000000',  # Month is invalid before wrapping due to 24:00
            '9999-12-31T24:00:00.000000',  # Year is invalid after wrapping due to 24:00
            '2009-04-19T12:30Z12:00',      # Extra time zone info after Z
            '2009-04-19T12:30:45:334034',  # Invalid microsecond separator
            '2009-04-19T12:30:45.400 +02:30',  # Space between ms and timezone (gh-130959)
            '2009-04-19T12:30:45.400 ',        # Trailing space (gh-130959)
            '2009-04-19T12:30:45. 400',        # Space before fraction (gh-130959)
            '2009-04-19T12:30:45+00:90:00', # Time zone field out from range
            '2009-04-19T12:30:45+00:00:90', # Time zone field out from range
            '2009-04-19T12:30:45-00:90:00', # Time zone field out from range
            '2009-04-19T12:30:45-00:00:90', # Time zone field out from range
        ]

        for bad_str in bad_strs:
            with self.subTest(bad_str=bad_str):
                with self.assertRaises(ValueError):
                    self.theclass.fromisoformat(bad_str)

    def test_fromisoformat_fails_datetime_valueerror(self):
        pattern = re.compile(