Method test_unambiguous

Lib/test/test_zoneinfo/test_zoneinfo.py:290–317

(self)

        self.assertEqual(dt.tzname(), "UTC")

    def test_unambiguous(self):
        test_cases = []
        for key in self.zones():
            for zone_transition in self.load_transition_examples(key):
                test_cases.append(
                    (
                        key,
                        zone_transition.transition - timedelta(days=2),
                        zone_transition.offset_before,
                    )
                )

                test_cases.append(
                    (
                        key,
                        zone_transition.transition + timedelta(days=2),
                        zone_transition.offset_after,
                    )
                )

        for key, dt, offset in test_cases:
            with self.subTest(key=key, dt=dt, offset=offset):
                tzi = self.zone_from_key(key)
                dt = dt.replace(tzinfo=tzi)

                self.assertEqual(dt.tzname(), offset.tzname, dt)
                self.assertEqual(dt.utcoffset(), offset.utcoffset, dt)
                self.assertEqual(dt.dst(), offset.dst, dt)

    def test_folds_and_gaps(self):
        test_cases = []