codekingpro/portable-devtools

1# Copyright 2016 The Kubernetes Authors.2#3# Licensed under the Apache License, Version 2.0 (the "License");4# you may not use this file except in compliance with the License.5# You may obtain a copy of the License at6#7#     http://www.apache.org/licenses/LICENSE-2.08#9# Unless required by applicable law or agreed to in writing, software10# distributed under the License is distributed on an "AS IS" BASIS,11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12# See the License for the specific language governing permissions and13# limitations under the License.14 15import unittest16from datetime import datetime17 18from .dateutil import UTC, TimezoneInfo, format_rfc3339, parse_rfc333919 20 21class DateUtilTest(unittest.TestCase):22 23    def _parse_rfc3339_test(self, st, y, m, d, h, mn, s, us):24        actual = parse_rfc3339(st)25        expected = datetime(y, m, d, h, mn, s, us, UTC)26        self.assertEqual(expected, actual)27 28    def test_parse_rfc3339(self):29        self._parse_rfc3339_test("2017-07-25T04:44:21Z",30                                 2017, 7, 25, 4, 44, 21, 0)31        self._parse_rfc3339_test("2017-07-25 04:44:21Z",32                                 2017, 7, 25, 4, 44, 21, 0)33        self._parse_rfc3339_test("2017-07-25T04:44:21",34                                 2017, 7, 25, 4, 44, 21, 0)35        self._parse_rfc3339_test("2017-07-25T04:44:21z",36                                 2017, 7, 25, 4, 44, 21, 0)37        self._parse_rfc3339_test("2017-07-25T04:44:21+03:00",38                                 2017, 7, 25, 1, 44, 21, 0)39        self._parse_rfc3339_test("2017-07-25T04:44:21-03:00",40                                 2017, 7, 25, 7, 44, 21, 0)41 42        self._parse_rfc3339_test("2017-07-25T04:44:21,005Z",43                                 2017, 7, 25, 4, 44, 21, 5000)44        self._parse_rfc3339_test("2017-07-25T04:44:21.005Z",45                                 2017, 7, 25, 4, 44, 21, 5000)46        self._parse_rfc3339_test("2017-07-25 04:44:21.0050Z",47                                 2017, 7, 25, 4, 44, 21, 5000)48        self._parse_rfc3339_test("2017-07-25T04:44:21.5",49                                 2017, 7, 25, 4, 44, 21, 500000)50        self._parse_rfc3339_test("2017-07-25T04:44:21.005z",51                                 2017, 7, 25, 4, 44, 21, 5000)52        self._parse_rfc3339_test("2017-07-25T04:44:21.005+03:00",53                                 2017, 7, 25, 1, 44, 21, 5000)54        self._parse_rfc3339_test("2017-07-25T04:44:21.005-03:00",55                                 2017, 7, 25, 7, 44, 21, 5000)56 57    def test_format_rfc3339(self):58        self.assertEqual(59            format_rfc3339(datetime(2017, 7, 25, 4, 44, 21, 0, UTC)),60            "2017-07-25T04:44:21Z")61        self.assertEqual(62            format_rfc3339(datetime(2017, 7, 25, 4, 44, 21, 0,63                                    TimezoneInfo(2, 0))),64            "2017-07-25T02:44:21Z")65        self.assertEqual(66            format_rfc3339(datetime(2017, 7, 25, 4, 44, 21, 0,67                                    TimezoneInfo(-2, 30))),68            "2017-07-25T07:14:21Z")69 70    def test_parse_rfc3339_invalid_formats(self):71        """Test that invalid RFC3339 formats raise ValueError"""72        invalid_inputs = [73            "2025-13-02T13:37:00Z",        # Invalid month74            "2025-12-32T13:37:00Z",        # Invalid day75            "2025-12-02T25:00:00Z",        # Invalid hour76            "2025-12-02T13:60:00Z",        # Invalid minute77            "2025-12-02T13:37:60Z",        # Invalid second78            "not-a-valid-date",            # Completely invalid79            "",                             # Empty string80            "2025-12-02Z13:37:00",         # Timezone before time81        ]82 83        for invalid_input in invalid_inputs:84            with self.assertRaises(ValueError):85                parse_rfc3339(invalid_input)86 87 88 89    def test_parse_rfc3339_with_whitespace(self):90        """Test that leading/trailing whitespace is handled"""91        actual = parse_rfc3339("  2017-07-25T04:44:21Z  ")92        expected = datetime(2017, 7, 25, 4, 44, 21, 0, UTC)93        self.assertEqual(expected, actual)94 95    def test_parse_rfc3339_error_message_clarity(self):96        """Test that error messages are clear and helpful"""97        try:98            parse_rfc3339("invalid-date-format")99        except ValueError as e:100            error_msg = str(e)101            # Verify error message contains helpful information102            self.assertIn("Invalid RFC3339", error_msg)103            self.assertIn("YYYY-MM-DD", error_msg)104            self.assertIn("expected", error_msg)105