test_mailgun_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()
            data = self.get_api_call_data()
            self.assertEqual(data['o:deliverytime'], "Fri, 04 Mar 2016 13:06:07 GMT")  # 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)
            self.message.send()
            data = self.get_api_call_data()
            self.assertEqual(data['o:deliverytime'], "Tue, 11 Oct 2022 06:13:14 GMT")  # 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()
            data = self.get_api_call_data()
            self.assertEqual(data['o:deliverytime'], "Fri, 21 Oct 2022 18:00:00 GMT")  # 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()
            data = self.get_api_call_data()
            self.assertEqual(data['o:deliverytime'], "Fri, 06 May 2022 07:08:09 GMT")

            # String passed unchanged (this is *not* portable between ESPs)
            self.message.send_at = "Thu, 13 Oct 2022 18:02:00 GMT"
            self.message.send()
            data = self.get_api_call_data()
            self.assertEqual(data['o:deliverytime'], "Thu, 13 Oct 2022 18:02:00 GMT")