/usr/lib/python2.7/dist-packages/celery/tests/utils/test_timeutils.py is in python-celery 3.1.20-1.
This file is owned by root:root, with mode 0o644.
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import pytz
from datetime import datetime, timedelta, tzinfo
from pytz import AmbiguousTimeError
from celery.utils.timeutils import (
delta_resolution,
humanize_seconds,
maybe_iso8601,
maybe_timedelta,
timedelta_seconds,
timezone,
rate,
remaining,
make_aware,
maybe_make_aware,
localize,
LocalTimezone,
ffwd,
utcoffset,
)
from celery.utils.iso8601 import parse_iso8601
from celery.tests.case import Case, Mock, patch
class test_LocalTimezone(Case):
def test_daylight(self):
with patch('celery.utils.timeutils._time') as time:
time.timezone = 3600
time.daylight = False
x = LocalTimezone()
self.assertEqual(x.STDOFFSET, timedelta(seconds=-3600))
self.assertEqual(x.DSTOFFSET, x.STDOFFSET)
time.daylight = True
time.altzone = 3600
y = LocalTimezone()
self.assertEqual(y.STDOFFSET, timedelta(seconds=-3600))
self.assertEqual(y.DSTOFFSET, timedelta(seconds=-3600))
self.assertTrue(repr(y))
y._isdst = Mock()
y._isdst.return_value = True
self.assertTrue(y.utcoffset(datetime.now()))
self.assertFalse(y.dst(datetime.now()))
y._isdst.return_value = False
self.assertTrue(y.utcoffset(datetime.now()))
self.assertFalse(y.dst(datetime.now()))
self.assertTrue(y.tzname(datetime.now()))
class test_iso8601(Case):
def test_parse_with_timezone(self):
d = datetime.utcnow().replace(tzinfo=pytz.utc)
self.assertEqual(parse_iso8601(d.isoformat()), d)
# 2013-06-07T20:12:51.775877+00:00
iso = d.isoformat()
iso1 = iso.replace('+00:00', '-01:00')
d1 = parse_iso8601(iso1)
self.assertEqual(d1.tzinfo._minutes, -60)
iso2 = iso.replace('+00:00', '+01:00')
d2 = parse_iso8601(iso2)
self.assertEqual(d2.tzinfo._minutes, +60)
iso3 = iso.replace('+00:00', 'Z')
d3 = parse_iso8601(iso3)
self.assertEqual(d3.tzinfo, pytz.UTC)
class test_timeutils(Case):
def test_delta_resolution(self):
D = 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(timedelta_seconds(delta), seconds)
def test_timedelta_seconds_returns_0_on_negative_time(self):
delta = timedelta(days=-2)
self.assertEqual(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(humanize_seconds(seconds), human)
self.assertEqual(humanize_seconds(4, prefix='about '),
'about 4.00 seconds')
def test_maybe_iso8601_datetime(self):
now = datetime.now()
self.assertIs(maybe_iso8601(now), now)
def test_maybe_timedelta(self):
D = 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):
remaining(datetime.utcnow(), timedelta(hours=1), relative=True)
class test_timezone(Case):
def test_get_timezone_with_pytz(self):
self.assertTrue(timezone.get_timezone('UTC'))
def test_tz_or_local(self):
self.assertEqual(timezone.tz_or_local(), timezone.local)
self.assertTrue(timezone.tz_or_local(timezone.utc))
def test_to_local(self):
self.assertTrue(
timezone.to_local(make_aware(datetime.utcnow(), timezone.utc)),
)
self.assertTrue(
timezone.to_local(datetime.utcnow())
)
def test_to_local_fallback(self):
self.assertTrue(
timezone.to_local_fallback(
make_aware(datetime.utcnow(), timezone.utc)),
)
self.assertTrue(
timezone.to_local_fallback(datetime.utcnow())
)
class test_make_aware(Case):
def test_tz_without_localize(self):
tz = tzinfo()
self.assertFalse(hasattr(tz, 'localize'))
wtz = make_aware(datetime.utcnow(), tz)
self.assertEqual(wtz.tzinfo, tz)
def test_when_has_localize(self):
class tzz(tzinfo):
raises = False
def localize(self, dt, is_dst=None):
self.localized = True
if self.raises and is_dst is None:
self.raised = True
raise AmbiguousTimeError()
return 1 # needed by min() in Python 3 (None not hashable)
tz = tzz()
make_aware(datetime.utcnow(), tz)
self.assertTrue(tz.localized)
tz2 = tzz()
tz2.raises = True
make_aware(datetime.utcnow(), tz2)
self.assertTrue(tz2.localized)
self.assertTrue(tz2.raised)
def test_maybe_make_aware(self):
aware = datetime.utcnow().replace(tzinfo=timezone.utc)
self.assertTrue(maybe_make_aware(aware), timezone.utc)
naive = datetime.utcnow()
self.assertTrue(maybe_make_aware(naive))
class test_localize(Case):
def test_tz_without_normalize(self):
tz = tzinfo()
self.assertFalse(hasattr(tz, 'normalize'))
self.assertTrue(localize(make_aware(datetime.utcnow(), tz), tz))
def test_when_has_normalize(self):
class tzz(tzinfo):
raises = None
def normalize(self, dt, **kwargs):
self.normalized = True
if self.raises and kwargs and kwargs.get('is_dst') is None:
self.raised = True
raise self.raises
return 1 # needed by min() in Python 3 (None not hashable)
tz = tzz()
localize(make_aware(datetime.utcnow(), tz), tz)
self.assertTrue(tz.normalized)
tz2 = tzz()
tz2.raises = AmbiguousTimeError()
localize(make_aware(datetime.utcnow(), tz2), tz2)
self.assertTrue(tz2.normalized)
self.assertTrue(tz2.raised)
tz3 = tzz()
tz3.raises = TypeError()
localize(make_aware(datetime.utcnow(), tz3), tz3)
self.assertTrue(tz3.normalized)
self.assertTrue(tz3.raised)
class test_rate_limit_string(Case):
def test_conversion(self):
self.assertEqual(rate(999), 999)
self.assertEqual(rate(7.5), 7.5)
self.assertEqual(rate('2.5/s'), 2.5)
self.assertEqual(rate('1456/s'), 1456)
self.assertEqual(rate('100/m'),
100 / 60.0)
self.assertEqual(rate('10/h'),
10 / 60.0 / 60.0)
for zero in (0, None, '0', '0/m', '0/h', '0/s', '0.0/s'):
self.assertEqual(rate(zero), 0)
class test_ffwd(Case):
def test_repr(self):
x = ffwd(year=2012)
self.assertTrue(repr(x))
def test_radd_with_unknown_gives_NotImplemented(self):
x = ffwd(year=2012)
self.assertEqual(x.__radd__(object()), NotImplemented)
class test_utcoffset(Case):
def test_utcoffset(self):
with patch('celery.utils.timeutils._time') as _time:
_time.daylight = True
self.assertIsNotNone(utcoffset())
_time.daylight = False
self.assertIsNotNone(utcoffset())
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