import datetime from django.test import TestCase from django.test.utils import requires_tz_support from django.utils import timezone, translation from django.utils.timesince import timesince, timeuntil from django.utils.translation import npgettext_lazy class TimesinceTests(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') def test_second_before_equal_first_humanize_time_strings(self): time_strings = { 'minute': npgettext_lazy( 'naturaltime-future', '%(num)d minute', '%(num)d minutes', 'num', ), } with translation.override('cs'): for now in [self.t, self.t - self.onemicrosecond, self.t - self.oneday]: with self.subTest(now): self.assertEqual( timesince(self.t, now, time_strings=time_strings), '0\xa0minut', ) @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_leap_year(self): start_date = datetime.date(2016, 12, 25) self.assertEqual(timeuntil(start_date + self.oneweek, start_date), '1\xa0week') self.assertEqual(timesince(start_date, start_date + self.oneweek), '1\xa0week') def test_leap_year_new_years_eve(self): t = datetime.date(2016, 12, 31) now = datetime.datetime(2016, 12, 31, 18, 0, 0) self.assertEqual(timesince(t + self.oneday, now), '0\xa0minutes') self.assertEqual(timeuntil(t - self.oneday, now), '0\xa0minutes') 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') def test_thousand_years_ago(self): t = datetime.datetime(1007, 8, 14, 13, 46, 0) self.assertEqual(timesince(t, self.t), '1000\xa0years') self.assertEqual(timeuntil(self.t, t), '1000\xa0years') def test_depth(self): t = self.t + self.oneyear + self.onemonth + self.oneweek + self.oneday + self.onehour tests = [ (t, 1, '1\xa0year'), (t, 2, '1\xa0year, 1\xa0month'), (t, 3, '1\xa0year, 1\xa0month, 1\xa0week'), (t, 4, '1\xa0year, 1\xa0month, 1\xa0week, 1\xa0day'), (t, 5, '1\xa0year, 1\xa0month, 1\xa0week, 1\xa0day, 1\xa0hour'), (t, 6, '1\xa0year, 1\xa0month, 1\xa0week, 1\xa0day, 1\xa0hour'), (self.t + self.onehour, 5, '1\xa0hour'), (self.t + (4 * self.oneminute), 3, '4\xa0minutes'), (self.t + self.onehour + self.oneminute, 1, '1\xa0hour'), (self.t + self.oneday + self.onehour, 1, '1\xa0day'), (self.t + self.oneweek + self.oneday, 1, '1\xa0week'), (self.t + self.onemonth + self.oneweek, 1, '1\xa0month'), (self.t + self.oneyear + self.onemonth, 1, '1\xa0year'), (self.t + self.oneyear + self.oneweek + self.oneday, 3, '1\xa0year'), ] for value, depth, expected in tests: with self.subTest(): self.assertEqual(timesince(self.t, value, depth=depth), expected) self.assertEqual(timeuntil(value, self.t, depth=depth), expected) def test_depth_invalid(self): msg = 'depth must be greater than 0.' with self.assertRaisesMessage(ValueError, msg): timesince(self.t, self.t, depth=0)