mirror of https://github.com/zulip/zulip.git
41 lines
1.8 KiB
Python
41 lines
1.8 KiB
Python
from django.utils.timezone import utc as timezone_utc
|
|
|
|
from zerver.lib.test_classes import ZulipTestCase
|
|
from zerver.lib.timestamp import floor_to_hour, floor_to_day, ceiling_to_hour, \
|
|
timestamp_to_datetime, datetime_to_timestamp, \
|
|
TimezoneNotUTCException, convert_to_UTC
|
|
|
|
from datetime import timedelta
|
|
from dateutil import parser
|
|
import pytz
|
|
|
|
class TestTimestamp(ZulipTestCase):
|
|
def test_datetime_and_timestamp_conversions(self) -> None:
|
|
timestamp = 1483228800
|
|
for dt in [
|
|
parser.parse('2017-01-01 00:00:00.123 UTC'),
|
|
parser.parse('2017-01-01 00:00:00.123').replace(tzinfo=timezone_utc),
|
|
parser.parse('2017-01-01 00:00:00.123').replace(tzinfo=pytz.utc)]:
|
|
self.assertEqual(timestamp_to_datetime(timestamp), dt-timedelta(microseconds=123000))
|
|
self.assertEqual(datetime_to_timestamp(dt), timestamp)
|
|
|
|
for dt in [
|
|
parser.parse('2017-01-01 00:00:00.123+01:00'),
|
|
parser.parse('2017-01-01 00:00:00.123')]:
|
|
with self.assertRaises(TimezoneNotUTCException):
|
|
datetime_to_timestamp(dt)
|
|
|
|
def test_convert_to_UTC(self) -> None:
|
|
utc_datetime = parser.parse('2017-01-01 00:00:00.123 UTC')
|
|
for dt in [
|
|
parser.parse('2017-01-01 00:00:00.123').replace(tzinfo=timezone_utc),
|
|
parser.parse('2017-01-01 00:00:00.123'),
|
|
parser.parse('2017-01-01 05:00:00.123+05')]:
|
|
self.assertEqual(convert_to_UTC(dt), utc_datetime)
|
|
|
|
def test_enforce_UTC(self) -> None:
|
|
non_utc_datetime = parser.parse('2017-01-01 00:00:00.123')
|
|
for function in [floor_to_hour, floor_to_day, ceiling_to_hour, ceiling_to_hour]:
|
|
with self.assertRaises(TimezoneNotUTCException):
|
|
function(non_utc_datetime)
|