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Diffstat (limited to 'tests/utils_tests/test_dateformat.py')
| -rw-r--r-- | tests/utils_tests/test_dateformat.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/utils_tests/test_dateformat.py b/tests/utils_tests/test_dateformat.py index faf4b6605b..918cc2a518 100644 --- a/tests/utils_tests/test_dateformat.py +++ b/tests/utils_tests/test_dateformat.py @@ -10,6 +10,11 @@ from django.utils.timezone import ( get_default_timezone, get_fixed_timezone, make_aware, utc, ) +try: + import pytz +except ImportError: + pytz = None + @override_settings(TIME_ZONE='Europe/Copenhagen') class DateFormatTests(SimpleTestCase): @@ -29,6 +34,18 @@ class DateFormatTests(SimpleTestCase): dt = datetime(2009, 5, 16, 5, 30, 30) self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U'))), dt) + def test_naive_ambiguous_datetime(self): + # dt is ambiguous in Europe/Copenhagen. LocalTimezone guesses the + # offset (and gets it wrong 50% of the time) while pytz refuses the + # temptation to guess. In any case, this shouldn't crash. + dt = datetime(2015, 10, 25, 2, 30, 0) + + # Try all formatters that involve self.timezone. + self.assertEqual(format(dt, 'I'), '0' if pytz is None else '') + self.assertEqual(format(dt, 'O'), '+0100' if pytz is None else '') + self.assertEqual(format(dt, 'T'), 'CET' if pytz is None else '') + self.assertEqual(format(dt, 'Z'), '3600' if pytz is None else '') + @requires_tz_support def test_datetime_with_local_tzinfo(self): ltz = get_default_timezone() |