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)