test_sendgrid_v2_backend.py 文件源码

def test_send_at(self):
        utc_plus_6 = get_fixed_timezone(6 * 60)
        utc_minus_8 = get_fixed_timezone(-8 * 60)

        with override_current_timezone(utc_plus_6):
            # Timezone-aware datetime converted to UTC:
            self.message.send_at = datetime(2016, 3, 4, 5, 6, 7, tzinfo=utc_minus_8)
            self.message.send()
            smtpapi = self.get_smtpapi()
            self.assertEqual(smtpapi['send_at'], timegm((2016, 3, 4, 13, 6, 7)))  # 05:06 UTC-8 == 13:06 UTC

            # Timezone-naive datetime assumed to be Django current_timezone
            self.message.send_at = datetime(2022, 10, 11, 12, 13, 14, 567)  # microseconds should get stripped
            self.message.send()
            smtpapi = self.get_smtpapi()
            self.assertEqual(smtpapi['send_at'], timegm((2022, 10, 11, 6, 13, 14)))  # 12:13 UTC+6 == 06:13 UTC

            # Date-only treated as midnight in current timezone
            self.message.send_at = date(2022, 10, 22)
            self.message.send()
            smtpapi = self.get_smtpapi()
            self.assertEqual(smtpapi['send_at'], timegm((2022, 10, 21, 18, 0, 0)))  # 00:00 UTC+6 == 18:00-1d UTC

            # POSIX timestamp
            self.message.send_at = 1651820889  # 2022-05-06 07:08:09 UTC
            self.message.send()
            smtpapi = self.get_smtpapi()
            self.assertEqual(smtpapi['send_at'], 1651820889)