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176 lines
8.4 KiB
Python
176 lines
8.4 KiB
Python
import datetime
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from django.test import TestCase
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from django.test.utils import requires_tz_support
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from django.utils import timezone, translation
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from django.utils.timesince import timesince, timeuntil
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from django.utils.translation import npgettext_lazy
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class TimesinceTests(TestCase):
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def setUp(self):
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self.t = datetime.datetime(2007, 8, 14, 13, 46, 0)
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self.onemicrosecond = datetime.timedelta(microseconds=1)
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self.onesecond = datetime.timedelta(seconds=1)
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self.oneminute = datetime.timedelta(minutes=1)
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self.onehour = datetime.timedelta(hours=1)
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self.oneday = datetime.timedelta(days=1)
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self.oneweek = datetime.timedelta(days=7)
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self.onemonth = datetime.timedelta(days=30)
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self.oneyear = datetime.timedelta(days=365)
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def test_equal_datetimes(self):
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""" equal datetimes. """
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# NOTE: \xa0 avoids wrapping between value and unit
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self.assertEqual(timesince(self.t, self.t), '0\xa0minutes')
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def test_ignore_microseconds_and_seconds(self):
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""" Microseconds and seconds are ignored. """
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self.assertEqual(timesince(self.t, self.t + self.onemicrosecond), '0\xa0minutes')
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self.assertEqual(timesince(self.t, self.t + self.onesecond), '0\xa0minutes')
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def test_other_units(self):
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""" Test other units. """
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self.assertEqual(timesince(self.t, self.t + self.oneminute), '1\xa0minute')
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self.assertEqual(timesince(self.t, self.t + self.onehour), '1\xa0hour')
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self.assertEqual(timesince(self.t, self.t + self.oneday), '1\xa0day')
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self.assertEqual(timesince(self.t, self.t + self.oneweek), '1\xa0week')
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self.assertEqual(timesince(self.t, self.t + self.onemonth), '1\xa0month')
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self.assertEqual(timesince(self.t, self.t + self.oneyear), '1\xa0year')
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def test_multiple_units(self):
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""" Test multiple units. """
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self.assertEqual(timesince(self.t, self.t + 2 * self.oneday + 6 * self.onehour), '2\xa0days, 6\xa0hours')
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self.assertEqual(timesince(self.t, self.t + 2 * self.oneweek + 2 * self.oneday), '2\xa0weeks, 2\xa0days')
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def test_display_first_unit(self):
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"""
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If the two differing units aren't adjacent, only the first unit is
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displayed.
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"""
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self.assertEqual(
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timesince(self.t, self.t + 2 * self.oneweek + 3 * self.onehour + 4 * self.oneminute),
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'2\xa0weeks'
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)
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self.assertEqual(timesince(self.t, self.t + 4 * self.oneday + 5 * self.oneminute), '4\xa0days')
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def test_display_second_before_first(self):
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"""
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When the second date occurs before the first, we should always
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get 0 minutes.
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"""
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self.assertEqual(timesince(self.t, self.t - self.onemicrosecond), '0\xa0minutes')
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self.assertEqual(timesince(self.t, self.t - self.onesecond), '0\xa0minutes')
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self.assertEqual(timesince(self.t, self.t - self.oneminute), '0\xa0minutes')
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self.assertEqual(timesince(self.t, self.t - self.onehour), '0\xa0minutes')
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self.assertEqual(timesince(self.t, self.t - self.oneday), '0\xa0minutes')
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self.assertEqual(timesince(self.t, self.t - self.oneweek), '0\xa0minutes')
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self.assertEqual(timesince(self.t, self.t - self.onemonth), '0\xa0minutes')
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self.assertEqual(timesince(self.t, self.t - self.oneyear), '0\xa0minutes')
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self.assertEqual(timesince(self.t, self.t - 2 * self.oneday - 6 * self.onehour), '0\xa0minutes')
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self.assertEqual(timesince(self.t, self.t - 2 * self.oneweek - 2 * self.oneday), '0\xa0minutes')
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self.assertEqual(
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timesince(self.t, self.t - 2 * self.oneweek - 3 * self.onehour - 4 * self.oneminute), '0\xa0minutes'
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)
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self.assertEqual(timesince(self.t, self.t - 4 * self.oneday - 5 * self.oneminute), '0\xa0minutes')
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def test_second_before_equal_first_humanize_time_strings(self):
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time_strings = {
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'minute': npgettext_lazy(
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'naturaltime-future',
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'%(num)d minute',
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'%(num)d minutes',
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'num',
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),
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}
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with translation.override('cs'):
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for now in [self.t, self.t - self.onemicrosecond, self.t - self.oneday]:
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with self.subTest(now):
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self.assertEqual(
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timesince(self.t, now, time_strings=time_strings),
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'0\xa0minut',
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)
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@requires_tz_support
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def test_different_timezones(self):
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""" When using two different timezones. """
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now = datetime.datetime.now()
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now_tz = timezone.make_aware(now, timezone.get_default_timezone())
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now_tz_i = timezone.localtime(now_tz, timezone.get_fixed_timezone(195))
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self.assertEqual(timesince(now), '0\xa0minutes')
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self.assertEqual(timesince(now_tz), '0\xa0minutes')
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self.assertEqual(timesince(now_tz_i), '0\xa0minutes')
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self.assertEqual(timesince(now_tz, now_tz_i), '0\xa0minutes')
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self.assertEqual(timeuntil(now), '0\xa0minutes')
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self.assertEqual(timeuntil(now_tz), '0\xa0minutes')
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self.assertEqual(timeuntil(now_tz_i), '0\xa0minutes')
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self.assertEqual(timeuntil(now_tz, now_tz_i), '0\xa0minutes')
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def test_date_objects(self):
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""" Both timesince and timeuntil should work on date objects (#17937). """
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today = datetime.date.today()
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self.assertEqual(timesince(today + self.oneday), '0\xa0minutes')
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self.assertEqual(timeuntil(today - self.oneday), '0\xa0minutes')
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def test_both_date_objects(self):
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""" Timesince should work with both date objects (#9672) """
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today = datetime.date.today()
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self.assertEqual(timeuntil(today + self.oneday, today), '1\xa0day')
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self.assertEqual(timeuntil(today - self.oneday, today), '0\xa0minutes')
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self.assertEqual(timeuntil(today + self.oneweek, today), '1\xa0week')
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def test_leap_year(self):
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start_date = datetime.date(2016, 12, 25)
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self.assertEqual(timeuntil(start_date + self.oneweek, start_date), '1\xa0week')
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self.assertEqual(timesince(start_date, start_date + self.oneweek), '1\xa0week')
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def test_leap_year_new_years_eve(self):
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t = datetime.date(2016, 12, 31)
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now = datetime.datetime(2016, 12, 31, 18, 0, 0)
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self.assertEqual(timesince(t + self.oneday, now), '0\xa0minutes')
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self.assertEqual(timeuntil(t - self.oneday, now), '0\xa0minutes')
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def test_naive_datetime_with_tzinfo_attribute(self):
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class naive(datetime.tzinfo):
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def utcoffset(self, dt):
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return None
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future = datetime.datetime(2080, 1, 1, tzinfo=naive())
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self.assertEqual(timesince(future), '0\xa0minutes')
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past = datetime.datetime(1980, 1, 1, tzinfo=naive())
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self.assertEqual(timeuntil(past), '0\xa0minutes')
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def test_thousand_years_ago(self):
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t = datetime.datetime(1007, 8, 14, 13, 46, 0)
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self.assertEqual(timesince(t, self.t), '1000\xa0years')
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self.assertEqual(timeuntil(self.t, t), '1000\xa0years')
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def test_depth(self):
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t = self.t + self.oneyear + self.onemonth + self.oneweek + self.oneday + self.onehour
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tests = [
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(t, 1, '1\xa0year'),
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(t, 2, '1\xa0year, 1\xa0month'),
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(t, 3, '1\xa0year, 1\xa0month, 1\xa0week'),
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(t, 4, '1\xa0year, 1\xa0month, 1\xa0week, 1\xa0day'),
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(t, 5, '1\xa0year, 1\xa0month, 1\xa0week, 1\xa0day, 1\xa0hour'),
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(t, 6, '1\xa0year, 1\xa0month, 1\xa0week, 1\xa0day, 1\xa0hour'),
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(self.t + self.onehour, 5, '1\xa0hour'),
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(self.t + (4 * self.oneminute), 3, '4\xa0minutes'),
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(self.t + self.onehour + self.oneminute, 1, '1\xa0hour'),
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(self.t + self.oneday + self.onehour, 1, '1\xa0day'),
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(self.t + self.oneweek + self.oneday, 1, '1\xa0week'),
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(self.t + self.onemonth + self.oneweek, 1, '1\xa0month'),
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(self.t + self.oneyear + self.onemonth, 1, '1\xa0year'),
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(self.t + self.oneyear + self.oneweek + self.oneday, 3, '1\xa0year'),
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]
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for value, depth, expected in tests:
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with self.subTest():
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self.assertEqual(timesince(self.t, value, depth=depth), expected)
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self.assertEqual(timeuntil(value, self.t, depth=depth), expected)
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def test_depth_invalid(self):
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msg = 'depth must be greater than 0.'
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with self.assertRaisesMessage(ValueError, msg):
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timesince(self.t, self.t, depth=0)
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