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import datetime
from django.db import models
from django.test import SimpleTestCase, TestCase, override_settings, skipUnlessDBFeature
from django.test.utils import requires_tz_support
from django.utils import timezone
from .models import DateTimeModel
class DateTimeFieldTests(TestCase):
def test_datetimefield_to_python_microseconds(self):
"""DateTimeField.to_python() supports microseconds."""
f = models.DateTimeField()
self.assertEqual(
f.to_python("2001-01-02 03:04:05.000006"),
datetime.datetime(2001, 1, 2, 3, 4, 5, 6),
)
self.assertEqual(
f.to_python("2001-01-02 03:04:05.999999"),
datetime.datetime(2001, 1, 2, 3, 4, 5, 999999),
)
def test_timefield_to_python_microseconds(self):
"""TimeField.to_python() supports microseconds."""
f = models.TimeField()
self.assertEqual(f.to_python("01:02:03.000004"), datetime.time(1, 2, 3, 4))
self.assertEqual(f.to_python("01:02:03.999999"), datetime.time(1, 2, 3, 999999))
def test_datetimes_save_completely(self):
dat = datetime.date(2014, 3, 12)
datetim = datetime.datetime(2014, 3, 12, 21, 22, 23, 240000)
tim = datetime.time(21, 22, 23, 240000)
DateTimeModel.objects.create(d=dat, dt=datetim, t=tim)
obj = DateTimeModel.objects.first()
self.assertTrue(obj)
self.assertEqual(obj.d, dat)
self.assertEqual(obj.dt, datetim)
self.assertEqual(obj.t, tim)
@override_settings(USE_TZ=False)
def test_lookup_date_without_use_tz(self):
d = datetime.date(2014, 3, 12)
dt1 = datetime.datetime(2014, 3, 12, 21, 22, 23, 240000)
dt2 = datetime.datetime(2014, 3, 11, 21, 22, 23, 240000)
t = datetime.time(21, 22, 23, 240000)
m = DateTimeModel.objects.create(d=d, dt=dt1, t=t)
# Other model with different datetime.
DateTimeModel.objects.create(d=d, dt=dt2, t=t)
self.assertEqual(m, DateTimeModel.objects.get(dt__date=d))
@requires_tz_support
@skipUnlessDBFeature("has_zoneinfo_database")
@override_settings(USE_TZ=True, TIME_ZONE="America/Vancouver")
def test_lookup_date_with_use_tz(self):
d = datetime.date(2014, 3, 12)
# The following is equivalent to UTC 2014-03-12 18:34:23.24000.
dt1 = datetime.datetime(
2014, 3, 12, 10, 22, 23, 240000, tzinfo=timezone.get_current_timezone()
)
# The following is equivalent to UTC 2014-03-13 05:34:23.24000.
dt2 = datetime.datetime(
2014, 3, 12, 21, 22, 23, 240000, tzinfo=timezone.get_current_timezone()
)
t = datetime.time(21, 22, 23, 240000)
m1 = DateTimeModel.objects.create(d=d, dt=dt1, t=t)
m2 = DateTimeModel.objects.create(d=d, dt=dt2, t=t)
# In Vancouver, we expect both results.
self.assertCountEqual(
DateTimeModel.objects.filter(dt__date=d),
[m1, m2],
)
with self.settings(TIME_ZONE="UTC"):
# But in UTC, the __date only matches one of them.
self.assertCountEqual(DateTimeModel.objects.filter(dt__date=d), [m1])
class ValidationTest(SimpleTestCase):
def test_datefield_cleans_date(self):
f = models.DateField()
self.assertEqual(datetime.date(2008, 10, 10), f.clean("2008-10-10", None))
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