forked from celery/celery
/
test_timeutils.py
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test_timeutils.py
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from __future__ import absolute_import
from __future__ import with_statement
from datetime import datetime, timedelta
from mock import Mock
from celery.exceptions import ImproperlyConfigured
from celery.utils import timeutils
from celery.utils.timeutils import timezone
from celery.tests.utils import Case
class test_timeutils(Case):
def test_delta_resolution(self):
D = timeutils.delta_resolution
dt = datetime(2010, 3, 30, 11, 50, 58, 41065)
deltamap = ((timedelta(days=2), datetime(2010, 3, 30, 0, 0)),
(timedelta(hours=2), datetime(2010, 3, 30, 11, 0)),
(timedelta(minutes=2), datetime(2010, 3, 30, 11, 50)),
(timedelta(seconds=2), dt))
for delta, shoulda in deltamap:
self.assertEqual(D(dt, delta), shoulda)
def test_timedelta_seconds(self):
deltamap = ((timedelta(seconds=1), 1),
(timedelta(seconds=27), 27),
(timedelta(minutes=3), 3 * 60),
(timedelta(hours=4), 4 * 60 * 60),
(timedelta(days=3), 3 * 86400))
for delta, seconds in deltamap:
self.assertEqual(timeutils.timedelta_seconds(delta), seconds)
def test_timedelta_seconds_returns_0_on_negative_time(self):
delta = timedelta(days=-2)
self.assertEqual(timeutils.timedelta_seconds(delta), 0)
def test_humanize_seconds(self):
t = ((4 * 60 * 60 * 24, "4.00 days"),
(1 * 60 * 60 * 24, "1.00 day"),
(4 * 60 * 60, "4.00 hours"),
(1 * 60 * 60, "1.00 hour"),
(4 * 60, "4.00 minutes"),
(1 * 60, "1.00 minute"),
(4, "4.00 seconds"),
(1, "1.00 second"),
(4.3567631221, "4.36 seconds"),
(0, "now"))
for seconds, human in t:
self.assertEqual(timeutils.humanize_seconds(seconds), human)
self.assertEqual(timeutils.humanize_seconds(4, prefix="about "),
"about 4.00 seconds")
def test_maybe_iso8601_datetime(self):
now = datetime.now()
self.assertIs(timeutils.maybe_iso8601(now), now)
def test_maybe_timedelta(self):
D = timeutils.maybe_timedelta
for i in (30, 30.6):
self.assertEqual(D(i), timedelta(seconds=i))
self.assertEqual(D(timedelta(days=2)), timedelta(days=2))
def test_remaining_relative(self):
timeutils.remaining(datetime.utcnow(), timedelta(hours=1),
relative=True)
class test_timezone(Case):
def test_get_timezone_with_pytz(self):
prev, timeutils.pytz = timeutils.pytz, Mock()
try:
self.assertTrue(timezone.get_timezone("UTC"))
finally:
timeutils.pytz = prev
def test_get_timezone_without_pytz(self):
prev, timeutils.pytz = timeutils.pytz, None
try:
self.assertTrue(timezone.get_timezone("UTC"))
with self.assertRaises(ImproperlyConfigured):
timezone.get_timezone("Europe/Oslo")
finally:
timeutils.pytz = prev