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from __future__ import unicode_literals
import datetime
import unittest
from django.test.utils import requires_tz_support
from django.utils import timezone
from django.utils.timesince import timesince, timeuntil
class TimesinceTests(unittest.TestCase):
def setUp(self):
self.t = datetime.datetime(2007, 8, 14, 13, 46, 0)
self.onemicrosecond = datetime.timedelta(microseconds=1)
self.onesecond = datetime.timedelta(seconds=1)
self.oneminute = datetime.timedelta(minutes=1)
self.onehour = datetime.timedelta(hours=1)
self.oneday = datetime.timedelta(days=1)
self.oneweek = datetime.timedelta(days=7)
self.onemonth = datetime.timedelta(days=30)
self.oneyear = datetime.timedelta(days=365)
def test_equal_datetimes(self):
""" equal datetimes. """
# NOTE: \xa0 avoids wrapping between value and unit
self.assertEqual(timesince(self.t, self.t), '0\xa0minutes')
def test_ignore_microseconds_and_seconds(self):
""" Microseconds and seconds are ignored. """
self.assertEqual(timesince(self.t, self.t + self.onemicrosecond),
'0\xa0minutes')
self.assertEqual(timesince(self.t, self.t + self.onesecond),
'0\xa0minutes')
def test_other_units(self):
""" Test other units. """
self.assertEqual(timesince(self.t, self.t + self.oneminute),
'1\xa0minute')
self.assertEqual(timesince(self.t, self.t + self.onehour), '1\xa0hour')
self.assertEqual(timesince(self.t, self.t + self.oneday), '1\xa0day')
self.assertEqual(timesince(self.t, self.t + self.oneweek), '1\xa0week')
self.assertEqual(timesince(self.t, self.t + self.onemonth),
'1\xa0month')
self.assertEqual(timesince(self.t, self.t + self.oneyear), '1\xa0year')
def test_multiple_units(self):
""" Test multiple units. """
self.assertEqual(timesince(self.t,
self.t + 2 * self.oneday + 6 * self.onehour), '2\xa0days, 6\xa0hours')
self.assertEqual(timesince(self.t,
self.t + 2 * self.oneweek + 2 * self.oneday), '2\xa0weeks, 2\xa0days')
def test_display_first_unit(self):
"""
If the two differing units aren't adjacent, only the first unit is
displayed.
"""
self.assertEqual(timesince(self.t,
self.t + 2 * self.oneweek + 3 * self.onehour + 4 * self.oneminute),
'2\xa0weeks')
self.assertEqual(timesince(self.t,
self.t + 4 * self.oneday + 5 * self.oneminute), '4\xa0days')
def test_display_second_before_first(self):
"""
When the second date occurs before the first, we should always
get 0 minutes.
"""
self.assertEqual(timesince(self.t, self.t - self.onemicrosecond),
'0\xa0minutes')
self.assertEqual(timesince(self.t, self.t - self.onesecond),
'0\xa0minutes')
self.assertEqual(timesince(self.t, self.t - self.oneminute),
'0\xa0minutes')
self.assertEqual(timesince(self.t, self.t - self.onehour),
'0\xa0minutes')
self.assertEqual(timesince(self.t, self.t - self.oneday),
'0\xa0minutes')
self.assertEqual(timesince(self.t, self.t - self.oneweek),
'0\xa0minutes')
self.assertEqual(timesince(self.t, self.t - self.onemonth),
'0\xa0minutes')
self.assertEqual(timesince(self.t, self.t - self.oneyear),
'0\xa0minutes')
self.assertEqual(timesince(self.t,
self.t - 2 * self.oneday - 6 * self.onehour), '0\xa0minutes')
self.assertEqual(timesince(self.t,
self.t - 2 * self.oneweek - 2 * self.oneday), '0\xa0minutes')
self.assertEqual(timesince(self.t,
self.t - 2 * self.oneweek - 3 * self.onehour - 4 * self.oneminute),
'0\xa0minutes')
self.assertEqual(timesince(self.t,
self.t - 4 * self.oneday - 5 * self.oneminute), '0\xa0minutes')
@requires_tz_support
def test_different_timezones(self):
""" When using two different timezones. """
now = datetime.datetime.now()
now_tz = timezone.make_aware(now, timezone.get_default_timezone())
now_tz_i = timezone.localtime(now_tz, timezone.get_fixed_timezone(195))
self.assertEqual(timesince(now), '0\xa0minutes')
self.assertEqual(timesince(now_tz), '0\xa0minutes')
self.assertEqual(timesince(now_tz_i), '0\xa0minutes')
self.assertEqual(timesince(now_tz, now_tz_i), '0\xa0minutes')
self.assertEqual(timeuntil(now), '0\xa0minutes')
self.assertEqual(timeuntil(now_tz), '0\xa0minutes')
self.assertEqual(timeuntil(now_tz_i), '0\xa0minutes')
self.assertEqual(timeuntil(now_tz, now_tz_i), '0\xa0minutes')
def test_date_objects(self):
""" Both timesince and timeuntil should work on date objects (#17937). """
today = datetime.date.today()
self.assertEqual(timesince(today + self.oneday), '0\xa0minutes')
self.assertEqual(timeuntil(today - self.oneday), '0\xa0minutes')
def test_both_date_objects(self):
""" Timesince should work with both date objects (#9672) """
today = datetime.date.today()
self.assertEqual(timeuntil(today + self.oneday, today), '1\xa0day')
self.assertEqual(timeuntil(today - self.oneday, today), '0\xa0minutes')
self.assertEqual(timeuntil(today + self.oneweek, today), '1\xa0week')
def test_naive_datetime_with_tzinfo_attribute(self):
class naive(datetime.tzinfo):
def utcoffset(self, dt):
return None
future = datetime.datetime(2080, 1, 1, tzinfo=naive())
self.assertEqual(timesince(future), '0\xa0minutes')
past = datetime.datetime(1980, 1, 1, tzinfo=naive())
self.assertEqual(timeuntil(past), '0\xa0minutes')
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