import datetime try: import zoneinfo except ImportError: from backports import zoneinfo from django.test import TestCase from django.test.utils import override_settings, 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=31) self.oneyear = datetime.timedelta(days=366) 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 = self.t.replace(year=self.t.year - 1000) 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_months_edge(self): t = datetime.datetime(2022, 1, 1) tests = [ (datetime.datetime(2022, 1, 31), "4\xa0weeks, 2\xa0days"), (datetime.datetime(2022, 2, 1), "1\xa0month"), (datetime.datetime(2022, 2, 28), "1\xa0month, 3\xa0weeks"), (datetime.datetime(2022, 3, 1), "2\xa0months"), (datetime.datetime(2022, 3, 31), "2\xa0months, 4\xa0weeks"), (datetime.datetime(2022, 4, 1), "3\xa0months"), (datetime.datetime(2022, 4, 30), "3\xa0months, 4\xa0weeks"), (datetime.datetime(2022, 5, 1), "4\xa0months"), (datetime.datetime(2022, 5, 31), "4\xa0months, 4\xa0weeks"), (datetime.datetime(2022, 6, 1), "5\xa0months"), (datetime.datetime(2022, 6, 30), "5\xa0months, 4\xa0weeks"), (datetime.datetime(2022, 7, 1), "6\xa0months"), (datetime.datetime(2022, 7, 31), "6\xa0months, 4\xa0weeks"), (datetime.datetime(2022, 8, 1), "7\xa0months"), (datetime.datetime(2022, 8, 31), "7\xa0months, 4\xa0weeks"), (datetime.datetime(2022, 9, 1), "8\xa0months"), (datetime.datetime(2022, 9, 30), "8\xa0months, 4\xa0weeks"), (datetime.datetime(2022, 10, 1), "9\xa0months"), (datetime.datetime(2022, 10, 31), "9\xa0months, 4\xa0weeks"), (datetime.datetime(2022, 11, 1), "10\xa0months"), (datetime.datetime(2022, 11, 30), "10\xa0months, 4\xa0weeks"), (datetime.datetime(2022, 12, 1), "11\xa0months"), (datetime.datetime(2022, 12, 31), "11\xa0months, 4\xa0weeks"), ] for value, expected in tests: with self.subTest(): self.assertEqual(timesince(t, value), 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) @requires_tz_support def test_less_than_a_day_with_zoneinfo(self): now_with_zoneinfo = timezone.now().astimezone( zoneinfo.ZoneInfo(key="Asia/Kathmandu") # UTC+05:45 ) tests = [ (now_with_zoneinfo, "0\xa0minutes"), (now_with_zoneinfo - self.onemicrosecond, "0\xa0minutes"), (now_with_zoneinfo - self.onesecond, "0\xa0minutes"), (now_with_zoneinfo - self.oneminute, "1\xa0minute"), (now_with_zoneinfo - self.onehour, "1\xa0hour"), ] for value, expected in tests: with self.subTest(value): self.assertEqual(timesince(value), expected) @requires_tz_support def test_less_than_a_day_cross_day_with_zoneinfo(self): now_with_zoneinfo = timezone.make_aware( datetime.datetime(2023, 4, 14, 1, 30, 30), zoneinfo.ZoneInfo(key="Asia/Kathmandu"), # UTC+05:45 ) now_utc = now_with_zoneinfo.astimezone(datetime.timezone.utc) tests = [ (now_with_zoneinfo, "0\xa0minutes"), (now_with_zoneinfo - self.onemicrosecond, "0\xa0minutes"), (now_with_zoneinfo - self.onesecond, "0\xa0minutes"), (now_with_zoneinfo - self.oneminute, "1\xa0minute"), (now_with_zoneinfo - self.onehour, "1\xa0hour"), ] for value, expected in tests: with self.subTest(value): self.assertEqual(timesince(value, now_utc), expected) @requires_tz_support @override_settings(USE_TZ=True) class TZAwareTimesinceTests(TimesinceTests): def setUp(self): super().setUp() self.t = timezone.make_aware(self.t, timezone.get_default_timezone())