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django/tests/timezones/tests.py

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import datetime
import re
import sys
from contextlib import contextmanager
from unittest import SkipTest, skipIf
from xml.dom.minidom import parseString
try:
import zoneinfo
except ImportError:
from backports import zoneinfo
try:
import pytz
except ImportError:
pytz = None
from django.contrib.auth.models import User
from django.core import serializers
from django.db import connection
from django.db.models import F, Max, Min
from django.http import HttpRequest
from django.template import (
Context,
RequestContext,
Template,
TemplateSyntaxError,
context_processors,
)
from django.test import (
SimpleTestCase,
TestCase,
TransactionTestCase,
ignore_warnings,
override_settings,
skipIfDBFeature,
skipUnlessDBFeature,
)
from django.test.utils import requires_tz_support
from django.urls import reverse
from django.utils import timezone
from django.utils.deprecation import RemovedInDjango50Warning
from django.utils.timezone import timedelta
from .forms import (
EventForm,
EventLocalizedForm,
EventLocalizedModelForm,
EventModelForm,
EventSplitForm,
)
from .models import (
AllDayEvent,
DailyEvent,
Event,
MaybeEvent,
Session,
SessionEvent,
Timestamp,
)
try:
import yaml
HAS_YAML = True
except ImportError:
HAS_YAML = False
# These tests use the EAT (Eastern Africa Time) and ICT (Indochina Time)
# who don't have daylight saving time, so we can represent them easily
# with fixed offset timezones and use them directly as tzinfo in the
# constructors.
# settings.TIME_ZONE is forced to EAT. Most tests use a variant of
# datetime.datetime(2011, 9, 1, 13, 20, 30), which translates to
# 10:20:30 in UTC and 17:20:30 in ICT.
UTC = timezone.utc
EAT = timezone.get_fixed_timezone(180) # Africa/Nairobi
ICT = timezone.get_fixed_timezone(420) # Asia/Bangkok
ZONE_CONSTRUCTORS = (zoneinfo.ZoneInfo,)
if pytz is not None:
ZONE_CONSTRUCTORS += (pytz.timezone,)
def get_timezones(key):
return [constructor(key) for constructor in ZONE_CONSTRUCTORS]
@contextmanager
def override_database_connection_timezone(timezone):
try:
orig_timezone = connection.settings_dict["TIME_ZONE"]
connection.settings_dict["TIME_ZONE"] = timezone
# Clear cached properties, after first accessing them to ensure they exist.
connection.timezone
del connection.timezone
connection.timezone_name
del connection.timezone_name
yield
finally:
connection.settings_dict["TIME_ZONE"] = orig_timezone
# Clear cached properties, after first accessing them to ensure they exist.
connection.timezone
del connection.timezone
connection.timezone_name
del connection.timezone_name
@override_settings(TIME_ZONE="Africa/Nairobi", USE_TZ=False)
class LegacyDatabaseTests(TestCase):
def test_naive_datetime(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30)
Event.objects.create(dt=dt)
event = Event.objects.get()
self.assertEqual(event.dt, dt)
def test_naive_datetime_with_microsecond(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, 405060)
Event.objects.create(dt=dt)
event = Event.objects.get()
self.assertEqual(event.dt, dt)
@skipUnlessDBFeature("supports_timezones")
def test_aware_datetime_in_local_timezone(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)
Event.objects.create(dt=dt)
event = Event.objects.get()
self.assertIsNone(event.dt.tzinfo)
# interpret the naive datetime in local time to get the correct value
self.assertEqual(event.dt.replace(tzinfo=EAT), dt)
@skipUnlessDBFeature("supports_timezones")
def test_aware_datetime_in_local_timezone_with_microsecond(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, 405060, tzinfo=EAT)
Event.objects.create(dt=dt)
event = Event.objects.get()
self.assertIsNone(event.dt.tzinfo)
# interpret the naive datetime in local time to get the correct value
self.assertEqual(event.dt.replace(tzinfo=EAT), dt)
@skipUnlessDBFeature("supports_timezones")
def test_aware_datetime_in_utc(self):
dt = datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC)
Event.objects.create(dt=dt)
event = Event.objects.get()
self.assertIsNone(event.dt.tzinfo)
# interpret the naive datetime in local time to get the correct value
self.assertEqual(event.dt.replace(tzinfo=EAT), dt)
@skipUnlessDBFeature("supports_timezones")
def test_aware_datetime_in_other_timezone(self):
dt = datetime.datetime(2011, 9, 1, 17, 20, 30, tzinfo=ICT)
Event.objects.create(dt=dt)
event = Event.objects.get()
self.assertIsNone(event.dt.tzinfo)
# interpret the naive datetime in local time to get the correct value
self.assertEqual(event.dt.replace(tzinfo=EAT), dt)
@skipIfDBFeature("supports_timezones")
def test_aware_datetime_unsupported(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)
msg = "backend does not support timezone-aware datetimes when USE_TZ is False."
with self.assertRaisesMessage(ValueError, msg):
Event.objects.create(dt=dt)
def test_auto_now_and_auto_now_add(self):
now = datetime.datetime.now()
past = now - datetime.timedelta(seconds=2)
future = now + datetime.timedelta(seconds=2)
Timestamp.objects.create()
ts = Timestamp.objects.get()
self.assertLess(past, ts.created)
self.assertLess(past, ts.updated)
self.assertGreater(future, ts.updated)
self.assertGreater(future, ts.updated)
def test_query_filter(self):
dt1 = datetime.datetime(2011, 9, 1, 12, 20, 30)
dt2 = datetime.datetime(2011, 9, 1, 14, 20, 30)
Event.objects.create(dt=dt1)
Event.objects.create(dt=dt2)
self.assertEqual(Event.objects.filter(dt__gte=dt1).count(), 2)
self.assertEqual(Event.objects.filter(dt__gt=dt1).count(), 1)
self.assertEqual(Event.objects.filter(dt__gte=dt2).count(), 1)
self.assertEqual(Event.objects.filter(dt__gt=dt2).count(), 0)
def test_query_datetime_lookups(self):
Event.objects.create(dt=datetime.datetime(2011, 1, 1, 1, 30, 0))
Event.objects.create(dt=datetime.datetime(2011, 1, 1, 4, 30, 0))
self.assertEqual(Event.objects.filter(dt__year=2011).count(), 2)
self.assertEqual(Event.objects.filter(dt__month=1).count(), 2)
self.assertEqual(Event.objects.filter(dt__day=1).count(), 2)
self.assertEqual(Event.objects.filter(dt__week_day=7).count(), 2)
self.assertEqual(Event.objects.filter(dt__iso_week_day=6).count(), 2)
self.assertEqual(Event.objects.filter(dt__hour=1).count(), 1)
self.assertEqual(Event.objects.filter(dt__minute=30).count(), 2)
self.assertEqual(Event.objects.filter(dt__second=0).count(), 2)
def test_query_aggregation(self):
# Only min and max make sense for datetimes.
Event.objects.create(dt=datetime.datetime(2011, 9, 1, 23, 20, 20))
Event.objects.create(dt=datetime.datetime(2011, 9, 1, 13, 20, 30))
Event.objects.create(dt=datetime.datetime(2011, 9, 1, 3, 20, 40))
result = Event.objects.all().aggregate(Min("dt"), Max("dt"))
self.assertEqual(
result,
{
"dt__min": datetime.datetime(2011, 9, 1, 3, 20, 40),
"dt__max": datetime.datetime(2011, 9, 1, 23, 20, 20),
},
)
def test_query_annotation(self):
# Only min and max make sense for datetimes.
morning = Session.objects.create(name="morning")
afternoon = Session.objects.create(name="afternoon")
SessionEvent.objects.create(
dt=datetime.datetime(2011, 9, 1, 23, 20, 20), session=afternoon
)
SessionEvent.objects.create(
dt=datetime.datetime(2011, 9, 1, 13, 20, 30), session=afternoon
)
SessionEvent.objects.create(
dt=datetime.datetime(2011, 9, 1, 3, 20, 40), session=morning
)
morning_min_dt = datetime.datetime(2011, 9, 1, 3, 20, 40)
afternoon_min_dt = datetime.datetime(2011, 9, 1, 13, 20, 30)
self.assertQuerysetEqual(
Session.objects.annotate(dt=Min("events__dt")).order_by("dt"),
[morning_min_dt, afternoon_min_dt],
transform=lambda d: d.dt,
)
self.assertQuerysetEqual(
Session.objects.annotate(dt=Min("events__dt")).filter(
dt__lt=afternoon_min_dt
),
[morning_min_dt],
transform=lambda d: d.dt,
)
self.assertQuerysetEqual(
Session.objects.annotate(dt=Min("events__dt")).filter(
dt__gte=afternoon_min_dt
),
[afternoon_min_dt],
transform=lambda d: d.dt,
)
def test_query_datetimes(self):
Event.objects.create(dt=datetime.datetime(2011, 1, 1, 1, 30, 0))
Event.objects.create(dt=datetime.datetime(2011, 1, 1, 4, 30, 0))
self.assertSequenceEqual(
Event.objects.datetimes("dt", "year"),
[datetime.datetime(2011, 1, 1, 0, 0, 0)],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "month"),
[datetime.datetime(2011, 1, 1, 0, 0, 0)],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "day"),
[datetime.datetime(2011, 1, 1, 0, 0, 0)],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "hour"),
[
datetime.datetime(2011, 1, 1, 1, 0, 0),
datetime.datetime(2011, 1, 1, 4, 0, 0),
],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "minute"),
[
datetime.datetime(2011, 1, 1, 1, 30, 0),
datetime.datetime(2011, 1, 1, 4, 30, 0),
],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "second"),
[
datetime.datetime(2011, 1, 1, 1, 30, 0),
datetime.datetime(2011, 1, 1, 4, 30, 0),
],
)
def test_raw_sql(self):
# Regression test for #17755
dt = datetime.datetime(2011, 9, 1, 13, 20, 30)
event = Event.objects.create(dt=dt)
self.assertEqual(
list(
Event.objects.raw("SELECT * FROM timezones_event WHERE dt = %s", [dt])
),
[event],
)
def test_cursor_execute_accepts_naive_datetime(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30)
with connection.cursor() as cursor:
cursor.execute("INSERT INTO timezones_event (dt) VALUES (%s)", [dt])
event = Event.objects.get()
self.assertEqual(event.dt, dt)
def test_cursor_execute_returns_naive_datetime(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30)
Event.objects.create(dt=dt)
with connection.cursor() as cursor:
cursor.execute("SELECT dt FROM timezones_event WHERE dt = %s", [dt])
self.assertEqual(cursor.fetchall()[0][0], dt)
def test_filter_date_field_with_aware_datetime(self):
# Regression test for #17742
day = datetime.date(2011, 9, 1)
AllDayEvent.objects.create(day=day)
# This is 2011-09-02T01:30:00+03:00 in EAT
dt = datetime.datetime(2011, 9, 1, 22, 30, 0, tzinfo=UTC)
self.assertTrue(AllDayEvent.objects.filter(day__gte=dt).exists())
@override_settings(TIME_ZONE="Africa/Nairobi", USE_TZ=True)
class NewDatabaseTests(TestCase):
naive_warning = "DateTimeField Event.dt received a naive datetime"
@skipIfDBFeature("supports_timezones")
def test_aware_time_unsupported(self):
t = datetime.time(13, 20, 30, tzinfo=EAT)
msg = "backend does not support timezone-aware times."
with self.assertRaisesMessage(ValueError, msg):
DailyEvent.objects.create(time=t)
@requires_tz_support
def test_naive_datetime(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30)
with self.assertWarnsMessage(RuntimeWarning, self.naive_warning):
Event.objects.create(dt=dt)
event = Event.objects.get()
# naive datetimes are interpreted in local time
self.assertEqual(event.dt, dt.replace(tzinfo=EAT))
@requires_tz_support
def test_datetime_from_date(self):
dt = datetime.date(2011, 9, 1)
with self.assertWarnsMessage(RuntimeWarning, self.naive_warning):
Event.objects.create(dt=dt)
event = Event.objects.get()
self.assertEqual(event.dt, datetime.datetime(2011, 9, 1, tzinfo=EAT))
@requires_tz_support
def test_naive_datetime_with_microsecond(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, 405060)
with self.assertWarnsMessage(RuntimeWarning, self.naive_warning):
Event.objects.create(dt=dt)
event = Event.objects.get()
# naive datetimes are interpreted in local time
self.assertEqual(event.dt, dt.replace(tzinfo=EAT))
def test_aware_datetime_in_local_timezone(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)
Event.objects.create(dt=dt)
event = Event.objects.get()
self.assertEqual(event.dt, dt)
def test_aware_datetime_in_local_timezone_with_microsecond(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, 405060, tzinfo=EAT)
Event.objects.create(dt=dt)
event = Event.objects.get()
self.assertEqual(event.dt, dt)
def test_aware_datetime_in_utc(self):
dt = datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC)
Event.objects.create(dt=dt)
event = Event.objects.get()
self.assertEqual(event.dt, dt)
def test_aware_datetime_in_other_timezone(self):
dt = datetime.datetime(2011, 9, 1, 17, 20, 30, tzinfo=ICT)
Event.objects.create(dt=dt)
event = Event.objects.get()
self.assertEqual(event.dt, dt)
def test_auto_now_and_auto_now_add(self):
now = timezone.now()
past = now - datetime.timedelta(seconds=2)
future = now + datetime.timedelta(seconds=2)
Timestamp.objects.create()
ts = Timestamp.objects.get()
self.assertLess(past, ts.created)
self.assertLess(past, ts.updated)
self.assertGreater(future, ts.updated)
self.assertGreater(future, ts.updated)
def test_query_filter(self):
dt1 = datetime.datetime(2011, 9, 1, 12, 20, 30, tzinfo=EAT)
dt2 = datetime.datetime(2011, 9, 1, 14, 20, 30, tzinfo=EAT)
Event.objects.create(dt=dt1)
Event.objects.create(dt=dt2)
self.assertEqual(Event.objects.filter(dt__gte=dt1).count(), 2)
self.assertEqual(Event.objects.filter(dt__gt=dt1).count(), 1)
self.assertEqual(Event.objects.filter(dt__gte=dt2).count(), 1)
self.assertEqual(Event.objects.filter(dt__gt=dt2).count(), 0)
def test_query_filter_with_pytz_timezones(self):
for tz in get_timezones("Europe/Paris"):
with self.subTest(repr(tz)):
dt = datetime.datetime(2011, 9, 1, 12, 20, 30, tzinfo=tz)
Event.objects.create(dt=dt)
next = dt + datetime.timedelta(seconds=3)
prev = dt - datetime.timedelta(seconds=3)
self.assertEqual(Event.objects.filter(dt__exact=dt).count(), 1)
self.assertEqual(Event.objects.filter(dt__exact=next).count(), 0)
self.assertEqual(Event.objects.filter(dt__in=(prev, next)).count(), 0)
self.assertEqual(
Event.objects.filter(dt__in=(prev, dt, next)).count(), 1
)
self.assertEqual(
Event.objects.filter(dt__range=(prev, next)).count(), 1
)
@ignore_warnings(category=RemovedInDjango50Warning)
def test_connection_timezone(self):
tests = [
(False, None, datetime.timezone),
(False, "Africa/Nairobi", zoneinfo.ZoneInfo),
]
if pytz is not None:
tests += [
(True, None, datetime.timezone),
(True, "Africa/Nairobi", pytz.BaseTzInfo),
]
for use_pytz, connection_tz, expected_type in tests:
with self.subTest(use_pytz=use_pytz, connection_tz=connection_tz):
with self.settings(USE_DEPRECATED_PYTZ=use_pytz):
with override_database_connection_timezone(connection_tz):
self.assertIsInstance(connection.timezone, expected_type)
def test_query_convert_timezones(self):
# Connection timezone is equal to the current timezone, datetime
# shouldn't be converted.
with override_database_connection_timezone("Africa/Nairobi"):
event_datetime = datetime.datetime(2016, 1, 2, 23, 10, 11, 123, tzinfo=EAT)
event = Event.objects.create(dt=event_datetime)
self.assertEqual(
Event.objects.filter(dt__date=event_datetime.date()).first(), event
)
# Connection timezone is not equal to the current timezone, datetime
# should be converted (-4h).
with override_database_connection_timezone("Asia/Bangkok"):
event_datetime = datetime.datetime(2016, 1, 2, 3, 10, 11, tzinfo=ICT)
event = Event.objects.create(dt=event_datetime)
self.assertEqual(
Event.objects.filter(dt__date=datetime.date(2016, 1, 1)).first(), event
)
@requires_tz_support
def test_query_filter_with_naive_datetime(self):
dt = datetime.datetime(2011, 9, 1, 12, 20, 30, tzinfo=EAT)
Event.objects.create(dt=dt)
dt = dt.replace(tzinfo=None)
# naive datetimes are interpreted in local time
with self.assertWarnsMessage(RuntimeWarning, self.naive_warning):
self.assertEqual(Event.objects.filter(dt__exact=dt).count(), 1)
with self.assertWarnsMessage(RuntimeWarning, self.naive_warning):
self.assertEqual(Event.objects.filter(dt__lte=dt).count(), 1)
with self.assertWarnsMessage(RuntimeWarning, self.naive_warning):
self.assertEqual(Event.objects.filter(dt__gt=dt).count(), 0)
@skipUnlessDBFeature("has_zoneinfo_database")
def test_query_datetime_lookups(self):
Event.objects.create(dt=datetime.datetime(2011, 1, 1, 1, 30, 0, tzinfo=EAT))
Event.objects.create(dt=datetime.datetime(2011, 1, 1, 4, 30, 0, tzinfo=EAT))
self.assertEqual(Event.objects.filter(dt__year=2011).count(), 2)
self.assertEqual(Event.objects.filter(dt__month=1).count(), 2)
self.assertEqual(Event.objects.filter(dt__day=1).count(), 2)
self.assertEqual(Event.objects.filter(dt__week_day=7).count(), 2)
self.assertEqual(Event.objects.filter(dt__iso_week_day=6).count(), 2)
self.assertEqual(Event.objects.filter(dt__hour=1).count(), 1)
self.assertEqual(Event.objects.filter(dt__minute=30).count(), 2)
self.assertEqual(Event.objects.filter(dt__second=0).count(), 2)
@skipUnlessDBFeature("has_zoneinfo_database")
def test_query_datetime_lookups_in_other_timezone(self):
Event.objects.create(dt=datetime.datetime(2011, 1, 1, 1, 30, 0, tzinfo=EAT))
Event.objects.create(dt=datetime.datetime(2011, 1, 1, 4, 30, 0, tzinfo=EAT))
with timezone.override(UTC):
# These two dates fall in the same day in EAT, but in different days,
# years and months in UTC.
self.assertEqual(Event.objects.filter(dt__year=2011).count(), 1)
self.assertEqual(Event.objects.filter(dt__month=1).count(), 1)
self.assertEqual(Event.objects.filter(dt__day=1).count(), 1)
self.assertEqual(Event.objects.filter(dt__week_day=7).count(), 1)
self.assertEqual(Event.objects.filter(dt__iso_week_day=6).count(), 1)
self.assertEqual(Event.objects.filter(dt__hour=22).count(), 1)
self.assertEqual(Event.objects.filter(dt__minute=30).count(), 2)
self.assertEqual(Event.objects.filter(dt__second=0).count(), 2)
def test_query_aggregation(self):
# Only min and max make sense for datetimes.
Event.objects.create(dt=datetime.datetime(2011, 9, 1, 23, 20, 20, tzinfo=EAT))
Event.objects.create(dt=datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT))
Event.objects.create(dt=datetime.datetime(2011, 9, 1, 3, 20, 40, tzinfo=EAT))
result = Event.objects.all().aggregate(Min("dt"), Max("dt"))
self.assertEqual(
result,
{
"dt__min": datetime.datetime(2011, 9, 1, 3, 20, 40, tzinfo=EAT),
"dt__max": datetime.datetime(2011, 9, 1, 23, 20, 20, tzinfo=EAT),
},
)
def test_query_annotation(self):
# Only min and max make sense for datetimes.
morning = Session.objects.create(name="morning")
afternoon = Session.objects.create(name="afternoon")
SessionEvent.objects.create(
dt=datetime.datetime(2011, 9, 1, 23, 20, 20, tzinfo=EAT), session=afternoon
)
SessionEvent.objects.create(
dt=datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT), session=afternoon
)
SessionEvent.objects.create(
dt=datetime.datetime(2011, 9, 1, 3, 20, 40, tzinfo=EAT), session=morning
)
morning_min_dt = datetime.datetime(2011, 9, 1, 3, 20, 40, tzinfo=EAT)
afternoon_min_dt = datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)
self.assertQuerysetEqual(
Session.objects.annotate(dt=Min("events__dt")).order_by("dt"),
[morning_min_dt, afternoon_min_dt],
transform=lambda d: d.dt,
)
self.assertQuerysetEqual(
Session.objects.annotate(dt=Min("events__dt")).filter(
dt__lt=afternoon_min_dt
),
[morning_min_dt],
transform=lambda d: d.dt,
)
self.assertQuerysetEqual(
Session.objects.annotate(dt=Min("events__dt")).filter(
dt__gte=afternoon_min_dt
),
[afternoon_min_dt],
transform=lambda d: d.dt,
)
@skipUnlessDBFeature("has_zoneinfo_database")
def test_query_datetimes(self):
Event.objects.create(dt=datetime.datetime(2011, 1, 1, 1, 30, 0, tzinfo=EAT))
Event.objects.create(dt=datetime.datetime(2011, 1, 1, 4, 30, 0, tzinfo=EAT))
self.assertSequenceEqual(
Event.objects.datetimes("dt", "year"),
[datetime.datetime(2011, 1, 1, 0, 0, 0, tzinfo=EAT)],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "month"),
[datetime.datetime(2011, 1, 1, 0, 0, 0, tzinfo=EAT)],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "day"),
[datetime.datetime(2011, 1, 1, 0, 0, 0, tzinfo=EAT)],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "hour"),
[
datetime.datetime(2011, 1, 1, 1, 0, 0, tzinfo=EAT),
datetime.datetime(2011, 1, 1, 4, 0, 0, tzinfo=EAT),
],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "minute"),
[
datetime.datetime(2011, 1, 1, 1, 30, 0, tzinfo=EAT),
datetime.datetime(2011, 1, 1, 4, 30, 0, tzinfo=EAT),
],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "second"),
[
datetime.datetime(2011, 1, 1, 1, 30, 0, tzinfo=EAT),
datetime.datetime(2011, 1, 1, 4, 30, 0, tzinfo=EAT),
],
)
@skipUnlessDBFeature("has_zoneinfo_database")
def test_query_datetimes_in_other_timezone(self):
Event.objects.create(dt=datetime.datetime(2011, 1, 1, 1, 30, 0, tzinfo=EAT))
Event.objects.create(dt=datetime.datetime(2011, 1, 1, 4, 30, 0, tzinfo=EAT))
with timezone.override(UTC):
self.assertSequenceEqual(
Event.objects.datetimes("dt", "year"),
[
datetime.datetime(2010, 1, 1, 0, 0, 0, tzinfo=UTC),
datetime.datetime(2011, 1, 1, 0, 0, 0, tzinfo=UTC),
],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "month"),
[
datetime.datetime(2010, 12, 1, 0, 0, 0, tzinfo=UTC),
datetime.datetime(2011, 1, 1, 0, 0, 0, tzinfo=UTC),
],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "day"),
[
datetime.datetime(2010, 12, 31, 0, 0, 0, tzinfo=UTC),
datetime.datetime(2011, 1, 1, 0, 0, 0, tzinfo=UTC),
],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "hour"),
[
datetime.datetime(2010, 12, 31, 22, 0, 0, tzinfo=UTC),
datetime.datetime(2011, 1, 1, 1, 0, 0, tzinfo=UTC),
],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "minute"),
[
datetime.datetime(2010, 12, 31, 22, 30, 0, tzinfo=UTC),
datetime.datetime(2011, 1, 1, 1, 30, 0, tzinfo=UTC),
],
)
self.assertSequenceEqual(
Event.objects.datetimes("dt", "second"),
[
datetime.datetime(2010, 12, 31, 22, 30, 0, tzinfo=UTC),
datetime.datetime(2011, 1, 1, 1, 30, 0, tzinfo=UTC),
],
)
def test_raw_sql(self):
# Regression test for #17755
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)
event = Event.objects.create(dt=dt)
self.assertSequenceEqual(
list(
Event.objects.raw("SELECT * FROM timezones_event WHERE dt = %s", [dt])
),
[event],
)
@skipUnlessDBFeature("supports_timezones")
def test_cursor_execute_accepts_aware_datetime(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)
with connection.cursor() as cursor:
cursor.execute("INSERT INTO timezones_event (dt) VALUES (%s)", [dt])
event = Event.objects.get()
self.assertEqual(event.dt, dt)
@skipIfDBFeature("supports_timezones")
def test_cursor_execute_accepts_naive_datetime(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)
utc_naive_dt = timezone.make_naive(dt, timezone.utc)
with connection.cursor() as cursor:
cursor.execute(
"INSERT INTO timezones_event (dt) VALUES (%s)", [utc_naive_dt]
)
event = Event.objects.get()
self.assertEqual(event.dt, dt)
@skipUnlessDBFeature("supports_timezones")
def test_cursor_execute_returns_aware_datetime(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)
Event.objects.create(dt=dt)
with connection.cursor() as cursor:
cursor.execute("SELECT dt FROM timezones_event WHERE dt = %s", [dt])
self.assertEqual(cursor.fetchall()[0][0], dt)
@skipIfDBFeature("supports_timezones")
def test_cursor_execute_returns_naive_datetime(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)
utc_naive_dt = timezone.make_naive(dt, timezone.utc)
Event.objects.create(dt=dt)
with connection.cursor() as cursor:
cursor.execute(
"SELECT dt FROM timezones_event WHERE dt = %s", [utc_naive_dt]
)
self.assertEqual(cursor.fetchall()[0][0], utc_naive_dt)
@skipUnlessDBFeature("supports_timezones")
def test_cursor_explicit_time_zone(self):
with override_database_connection_timezone("Europe/Paris"):
with connection.cursor() as cursor:
cursor.execute("SELECT CURRENT_TIMESTAMP")
now = cursor.fetchone()[0]
self.assertEqual(str(now.tzinfo), "Europe/Paris")
@requires_tz_support
def test_filter_date_field_with_aware_datetime(self):
# Regression test for #17742
day = datetime.date(2011, 9, 1)
AllDayEvent.objects.create(day=day)
# This is 2011-09-02T01:30:00+03:00 in EAT
dt = datetime.datetime(2011, 9, 1, 22, 30, 0, tzinfo=UTC)
self.assertFalse(AllDayEvent.objects.filter(day__gte=dt).exists())
def test_null_datetime(self):
# Regression test for #17294
e = MaybeEvent.objects.create()
self.assertIsNone(e.dt)
def test_update_with_timedelta(self):
initial_dt = timezone.now().replace(microsecond=0)
event = Event.objects.create(dt=initial_dt)
Event.objects.update(dt=F("dt") + timedelta(hours=2))
event.refresh_from_db()
self.assertEqual(event.dt, initial_dt + timedelta(hours=2))
@override_settings(TIME_ZONE="Africa/Nairobi", USE_TZ=True)
class ForcedTimeZoneDatabaseTests(TransactionTestCase):
"""
Test the TIME_ZONE database configuration parameter.
Since this involves reading and writing to the same database through two
connections, this is a TransactionTestCase.
"""
available_apps = ["timezones"]
@classmethod
def setUpClass(cls):
# @skipIfDBFeature and @skipUnlessDBFeature cannot be chained. The
# outermost takes precedence. Handle skipping manually instead.
if connection.features.supports_timezones:
raise SkipTest("Database has feature(s) supports_timezones")
if not connection.features.test_db_allows_multiple_connections:
raise SkipTest(
"Database doesn't support feature(s): "
"test_db_allows_multiple_connections"
)
super().setUpClass()
def test_read_datetime(self):
fake_dt = datetime.datetime(2011, 9, 1, 17, 20, 30, tzinfo=UTC)
Event.objects.create(dt=fake_dt)
with override_database_connection_timezone("Asia/Bangkok"):
event = Event.objects.get()
dt = datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC)
self.assertEqual(event.dt, dt)
def test_write_datetime(self):
dt = datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC)
with override_database_connection_timezone("Asia/Bangkok"):
Event.objects.create(dt=dt)
event = Event.objects.get()
fake_dt = datetime.datetime(2011, 9, 1, 17, 20, 30, tzinfo=UTC)
self.assertEqual(event.dt, fake_dt)
@override_settings(TIME_ZONE="Africa/Nairobi")
class SerializationTests(SimpleTestCase):
# Backend-specific notes:
# - JSON supports only milliseconds, microseconds will be truncated.
# - PyYAML dumps the UTC offset correctly for timezone-aware datetimes.
# When PyYAML < 5.3 loads this representation, it subtracts the offset
# and returns a naive datetime object in UTC. PyYAML 5.3+ loads timezones
# correctly.
# Tests are adapted to take these quirks into account.
def assert_python_contains_datetime(self, objects, dt):
self.assertEqual(objects[0]["fields"]["dt"], dt)
def assert_json_contains_datetime(self, json, dt):
self.assertIn('"fields": {"dt": "%s"}' % dt, json)
def assert_xml_contains_datetime(self, xml, dt):
field = parseString(xml).getElementsByTagName("field")[0]
self.assertXMLEqual(field.childNodes[0].wholeText, dt)
def assert_yaml_contains_datetime(self, yaml, dt):
# Depending on the yaml dumper, '!timestamp' might be absent
self.assertRegex(yaml, r"\n fields: {dt: !(!timestamp)? '%s'}" % re.escape(dt))
def test_naive_datetime(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30)
data = serializers.serialize("python", [Event(dt=dt)])
self.assert_python_contains_datetime(data, dt)
obj = next(serializers.deserialize("python", data)).object
self.assertEqual(obj.dt, dt)
data = serializers.serialize("json", [Event(dt=dt)])
self.assert_json_contains_datetime(data, "2011-09-01T13:20:30")
obj = next(serializers.deserialize("json", data)).object
self.assertEqual(obj.dt, dt)
data = serializers.serialize("xml", [Event(dt=dt)])
self.assert_xml_contains_datetime(data, "2011-09-01T13:20:30")
obj = next(serializers.deserialize("xml", data)).object
self.assertEqual(obj.dt, dt)
if not isinstance(
serializers.get_serializer("yaml"), serializers.BadSerializer
):
data = serializers.serialize(
"yaml", [Event(dt=dt)], default_flow_style=None
)
self.assert_yaml_contains_datetime(data, "2011-09-01 13:20:30")
obj = next(serializers.deserialize("yaml", data)).object
self.assertEqual(obj.dt, dt)
def test_naive_datetime_with_microsecond(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, 405060)
data = serializers.serialize("python", [Event(dt=dt)])
self.assert_python_contains_datetime(data, dt)
obj = next(serializers.deserialize("python", data)).object
self.assertEqual(obj.dt, dt)
data = serializers.serialize("json", [Event(dt=dt)])
self.assert_json_contains_datetime(data, "2011-09-01T13:20:30.405")
obj = next(serializers.deserialize("json", data)).object
self.assertEqual(obj.dt, dt.replace(microsecond=405000))
data = serializers.serialize("xml", [Event(dt=dt)])
self.assert_xml_contains_datetime(data, "2011-09-01T13:20:30.405060")
obj = next(serializers.deserialize("xml", data)).object
self.assertEqual(obj.dt, dt)
if not isinstance(
serializers.get_serializer("yaml"), serializers.BadSerializer
):
data = serializers.serialize(
"yaml", [Event(dt=dt)], default_flow_style=None
)
self.assert_yaml_contains_datetime(data, "2011-09-01 13:20:30.405060")
obj = next(serializers.deserialize("yaml", data)).object
self.assertEqual(obj.dt, dt)
def test_aware_datetime_with_microsecond(self):
dt = datetime.datetime(2011, 9, 1, 17, 20, 30, 405060, tzinfo=ICT)
data = serializers.serialize("python", [Event(dt=dt)])
self.assert_python_contains_datetime(data, dt)
obj = next(serializers.deserialize("python", data)).object
self.assertEqual(obj.dt, dt)
data = serializers.serialize("json", [Event(dt=dt)])
self.assert_json_contains_datetime(data, "2011-09-01T17:20:30.405+07:00")
obj = next(serializers.deserialize("json", data)).object
self.assertEqual(obj.dt, dt.replace(microsecond=405000))
data = serializers.serialize("xml", [Event(dt=dt)])
self.assert_xml_contains_datetime(data, "2011-09-01T17:20:30.405060+07:00")
obj = next(serializers.deserialize("xml", data)).object
self.assertEqual(obj.dt, dt)
if not isinstance(
serializers.get_serializer("yaml"), serializers.BadSerializer
):
data = serializers.serialize(
"yaml", [Event(dt=dt)], default_flow_style=None
)
self.assert_yaml_contains_datetime(data, "2011-09-01 17:20:30.405060+07:00")
obj = next(serializers.deserialize("yaml", data)).object
if HAS_YAML and yaml.__version__ < "5.3":
self.assertEqual(obj.dt.replace(tzinfo=UTC), dt)
else:
self.assertEqual(obj.dt, dt)
def test_aware_datetime_in_utc(self):
dt = datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC)
data = serializers.serialize("python", [Event(dt=dt)])
self.assert_python_contains_datetime(data, dt)
obj = next(serializers.deserialize("python", data)).object
self.assertEqual(obj.dt, dt)
data = serializers.serialize("json", [Event(dt=dt)])
self.assert_json_contains_datetime(data, "2011-09-01T10:20:30Z")
obj = next(serializers.deserialize("json", data)).object
self.assertEqual(obj.dt, dt)
data = serializers.serialize("xml", [Event(dt=dt)])
self.assert_xml_contains_datetime(data, "2011-09-01T10:20:30+00:00")
obj = next(serializers.deserialize("xml", data)).object
self.assertEqual(obj.dt, dt)
if not isinstance(
serializers.get_serializer("yaml"), serializers.BadSerializer
):
data = serializers.serialize(
"yaml", [Event(dt=dt)], default_flow_style=None
)
self.assert_yaml_contains_datetime(data, "2011-09-01 10:20:30+00:00")
obj = next(serializers.deserialize("yaml", data)).object
self.assertEqual(obj.dt.replace(tzinfo=UTC), dt)
def test_aware_datetime_in_local_timezone(self):
dt = datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)
data = serializers.serialize("python", [Event(dt=dt)])
self.assert_python_contains_datetime(data, dt)
obj = next(serializers.deserialize("python", data)).object
self.assertEqual(obj.dt, dt)
data = serializers.serialize("json", [Event(dt=dt)])
self.assert_json_contains_datetime(data, "2011-09-01T13:20:30+03:00")
obj = next(serializers.deserialize("json", data)).object
self.assertEqual(obj.dt, dt)
data = serializers.serialize("xml", [Event(dt=dt)])
self.assert_xml_contains_datetime(data, "2011-09-01T13:20:30+03:00")
obj = next(serializers.deserialize("xml", data)).object
self.assertEqual(obj.dt, dt)
if not isinstance(
serializers.get_serializer("yaml"), serializers.BadSerializer
):
data = serializers.serialize(
"yaml", [Event(dt=dt)], default_flow_style=None
)
self.assert_yaml_contains_datetime(data, "2011-09-01 13:20:30+03:00")
obj = next(serializers.deserialize("yaml", data)).object
if HAS_YAML and yaml.__version__ < "5.3":
self.assertEqual(obj.dt.replace(tzinfo=UTC), dt)
else:
self.assertEqual(obj.dt, dt)
def test_aware_datetime_in_other_timezone(self):
dt = datetime.datetime(2011, 9, 1, 17, 20, 30, tzinfo=ICT)
data = serializers.serialize("python", [Event(dt=dt)])
self.assert_python_contains_datetime(data, dt)
obj = next(serializers.deserialize("python", data)).object
self.assertEqual(obj.dt, dt)
data = serializers.serialize("json", [Event(dt=dt)])
self.assert_json_contains_datetime(data, "2011-09-01T17:20:30+07:00")
obj = next(serializers.deserialize("json", data)).object
self.assertEqual(obj.dt, dt)
data = serializers.serialize("xml", [Event(dt=dt)])
self.assert_xml_contains_datetime(data, "2011-09-01T17:20:30+07:00")
obj = next(serializers.deserialize("xml", data)).object
self.assertEqual(obj.dt, dt)
if not isinstance(
serializers.get_serializer("yaml"), serializers.BadSerializer
):
data = serializers.serialize(
"yaml", [Event(dt=dt)], default_flow_style=None
)
self.assert_yaml_contains_datetime(data, "2011-09-01 17:20:30+07:00")
obj = next(serializers.deserialize("yaml", data)).object
if HAS_YAML and yaml.__version__ < "5.3":
self.assertEqual(obj.dt.replace(tzinfo=UTC), dt)
else:
self.assertEqual(obj.dt, dt)
# RemovedInDjango50Warning: When the deprecation ends, remove setUpClass() and
# USE_L10N=False. The tests should remain because format-related settings will
# take precedence over locale-dictated formats.
@override_settings(
DATETIME_FORMAT="c", TIME_ZONE="Africa/Nairobi", USE_L10N=False, USE_TZ=True
)
class TemplateTests(SimpleTestCase):
@classmethod
def setUpClass(cls):
with ignore_warnings(category=RemovedInDjango50Warning):
super().setUpClass()
@requires_tz_support
def test_localtime_templatetag_and_filters(self):
"""
Test the {% localtime %} templatetag and related filters.
"""
datetimes = {
"utc": datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC),
"eat": datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT),
"ict": datetime.datetime(2011, 9, 1, 17, 20, 30, tzinfo=ICT),
"naive": datetime.datetime(2011, 9, 1, 13, 20, 30),
}
templates = {
"notag": Template(
"{% load tz %}"
"{{ dt }}|{{ dt|localtime }}|{{ dt|utc }}|{{ dt|timezone:ICT }}"
),
"noarg": Template(
"{% load tz %}{% localtime %}{{ dt }}|{{ dt|localtime }}|"
"{{ dt|utc }}|{{ dt|timezone:ICT }}{% endlocaltime %}"
),
"on": Template(
"{% load tz %}{% localtime on %}{{ dt }}|{{ dt|localtime }}|"
"{{ dt|utc }}|{{ dt|timezone:ICT }}{% endlocaltime %}"
),
"off": Template(
"{% load tz %}{% localtime off %}{{ dt }}|{{ dt|localtime }}|"
"{{ dt|utc }}|{{ dt|timezone:ICT }}{% endlocaltime %}"
),
}
# Transform a list of keys in 'datetimes' to the expected template
# output. This makes the definition of 'results' more readable.
def t(*result):
return "|".join(datetimes[key].isoformat() for key in result)
# Results for USE_TZ = True
results = {
"utc": {
"notag": t("eat", "eat", "utc", "ict"),
"noarg": t("eat", "eat", "utc", "ict"),
"on": t("eat", "eat", "utc", "ict"),
"off": t("utc", "eat", "utc", "ict"),
},
"eat": {
"notag": t("eat", "eat", "utc", "ict"),
"noarg": t("eat", "eat", "utc", "ict"),
"on": t("eat", "eat", "utc", "ict"),
"off": t("eat", "eat", "utc", "ict"),
},
"ict": {
"notag": t("eat", "eat", "utc", "ict"),
"noarg": t("eat", "eat", "utc", "ict"),
"on": t("eat", "eat", "utc", "ict"),
"off": t("ict", "eat", "utc", "ict"),
},
"naive": {
"notag": t("naive", "eat", "utc", "ict"),
"noarg": t("naive", "eat", "utc", "ict"),
"on": t("naive", "eat", "utc", "ict"),
"off": t("naive", "eat", "utc", "ict"),
},
}
for k1, dt in datetimes.items():
for k2, tpl in templates.items():
ctx = Context({"dt": dt, "ICT": ICT})
actual = tpl.render(ctx)
expected = results[k1][k2]
self.assertEqual(
actual, expected, "%s / %s: %r != %r" % (k1, k2, actual, expected)
)
# Changes for USE_TZ = False
results["utc"]["notag"] = t("utc", "eat", "utc", "ict")
results["ict"]["notag"] = t("ict", "eat", "utc", "ict")
with self.settings(USE_TZ=False):
for k1, dt in datetimes.items():
for k2, tpl in templates.items():
ctx = Context({"dt": dt, "ICT": ICT})
actual = tpl.render(ctx)
expected = results[k1][k2]
self.assertEqual(
actual,
expected,
"%s / %s: %r != %r" % (k1, k2, actual, expected),
)
def test_localtime_filters_with_iana(self):
"""
Test the |localtime, |utc, and |timezone filters with iana zones.
"""
# Use an IANA timezone as local time
tpl = Template("{% load tz %}{{ dt|localtime }}|{{ dt|utc }}")
ctx = Context({"dt": datetime.datetime(2011, 9, 1, 12, 20, 30)})
with self.settings(TIME_ZONE="Europe/Paris"):
self.assertEqual(
tpl.render(ctx), "2011-09-01T12:20:30+02:00|2011-09-01T10:20:30+00:00"
)
# Use an IANA timezone as argument
for tz in get_timezones("Europe/Paris"):
with self.subTest(repr(tz)):
tpl = Template("{% load tz %}{{ dt|timezone:tz }}")
ctx = Context(
{
"dt": datetime.datetime(2011, 9, 1, 13, 20, 30),
"tz": tz,
}
)
self.assertEqual(tpl.render(ctx), "2011-09-01T12:20:30+02:00")
def test_localtime_templatetag_invalid_argument(self):
with self.assertRaises(TemplateSyntaxError):
Template("{% load tz %}{% localtime foo %}{% endlocaltime %}").render()
def test_localtime_filters_do_not_raise_exceptions(self):
"""
Test the |localtime, |utc, and |timezone filters on bad inputs.
"""
tpl = Template(
"{% load tz %}{{ dt }}|{{ dt|localtime }}|{{ dt|utc }}|{{ dt|timezone:tz }}"
)
with self.settings(USE_TZ=True):
# bad datetime value
ctx = Context({"dt": None, "tz": ICT})
self.assertEqual(tpl.render(ctx), "None|||")
ctx = Context({"dt": "not a date", "tz": ICT})
self.assertEqual(tpl.render(ctx), "not a date|||")
# bad timezone value
tpl = Template("{% load tz %}{{ dt|timezone:tz }}")
ctx = Context({"dt": datetime.datetime(2011, 9, 1, 13, 20, 30), "tz": None})
self.assertEqual(tpl.render(ctx), "")
ctx = Context(
{"dt": datetime.datetime(2011, 9, 1, 13, 20, 30), "tz": "not a tz"}
)
self.assertEqual(tpl.render(ctx), "")
@requires_tz_support
def test_timezone_templatetag(self):
"""
Test the {% timezone %} templatetag.
"""
tpl = Template(
"{% load tz %}"
"{{ dt }}|"
"{% timezone tz1 %}"
"{{ dt }}|"
"{% timezone tz2 %}"
"{{ dt }}"
"{% endtimezone %}"
"{% endtimezone %}"
)
ctx = Context(
{
"dt": datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC),
"tz1": ICT,
"tz2": None,
}
)
self.assertEqual(
tpl.render(ctx),
"2011-09-01T13:20:30+03:00|2011-09-01T17:20:30+07:00|"
"2011-09-01T13:20:30+03:00",
)
def test_timezone_templatetag_with_iana(self):
"""
Test the {% timezone %} templatetag with IANA time zone providers.
"""
tpl = Template("{% load tz %}{% timezone tz %}{{ dt }}{% endtimezone %}")
# Use a IANA timezone as argument
for tz in get_timezones("Europe/Paris"):
with self.subTest(repr(tz)):
ctx = Context(
{
"dt": datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT),
"tz": tz,
}
)
self.assertEqual(tpl.render(ctx), "2011-09-01T12:20:30+02:00")
# Use a IANA timezone name as argument
ctx = Context(
{
"dt": datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT),
"tz": "Europe/Paris",
}
)
self.assertEqual(tpl.render(ctx), "2011-09-01T12:20:30+02:00")
@ignore_warnings(category=RemovedInDjango50Warning)
def test_timezone_templatetag_invalid_argument(self):
with self.assertRaises(TemplateSyntaxError):
Template("{% load tz %}{% timezone %}{% endtimezone %}").render()
with self.assertRaises(zoneinfo.ZoneInfoNotFoundError):
Template("{% load tz %}{% timezone tz %}{% endtimezone %}").render(
Context({"tz": "foobar"})
)
if pytz is not None:
with override_settings(USE_DEPRECATED_PYTZ=True), self.assertRaises(
pytz.UnknownTimeZoneError
):
Template("{% load tz %}{% timezone tz %}{% endtimezone %}").render(
Context({"tz": "foobar"})
)
@skipIf(sys.platform == "win32", "Windows uses non-standard time zone names")
def test_get_current_timezone_templatetag(self):
"""
Test the {% get_current_timezone %} templatetag.
"""
tpl = Template(
"{% load tz %}{% get_current_timezone as time_zone %}{{ time_zone }}"
)
self.assertEqual(tpl.render(Context()), "Africa/Nairobi")
with timezone.override(UTC):
self.assertEqual(tpl.render(Context()), "UTC")
tpl = Template(
"{% load tz %}{% timezone tz %}{% get_current_timezone as time_zone %}"
"{% endtimezone %}{{ time_zone }}"
)
self.assertEqual(tpl.render(Context({"tz": ICT})), "+0700")
with timezone.override(UTC):
self.assertEqual(tpl.render(Context({"tz": ICT})), "+0700")
def test_get_current_timezone_templatetag_with_iana(self):
"""
Test the {% get_current_timezone %} templatetag with pytz.
"""
tpl = Template(
"{% load tz %}{% get_current_timezone as time_zone %}{{ time_zone }}"
)
for tz in get_timezones("Europe/Paris"):
with self.subTest(repr(tz)):
with timezone.override(tz):
self.assertEqual(tpl.render(Context()), "Europe/Paris")
tpl = Template(
"{% load tz %}{% timezone 'Europe/Paris' %}"
"{% get_current_timezone as time_zone %}{% endtimezone %}"
"{{ time_zone }}"
)
self.assertEqual(tpl.render(Context()), "Europe/Paris")
def test_get_current_timezone_templatetag_invalid_argument(self):
msg = (
"'get_current_timezone' requires 'as variable' (got "
"['get_current_timezone'])"
)
with self.assertRaisesMessage(TemplateSyntaxError, msg):
Template("{% load tz %}{% get_current_timezone %}").render()
@skipIf(sys.platform == "win32", "Windows uses non-standard time zone names")
def test_tz_template_context_processor(self):
"""
Test the django.template.context_processors.tz template context processor.
"""
tpl = Template("{{ TIME_ZONE }}")
context = Context()
self.assertEqual(tpl.render(context), "")
request_context = RequestContext(
HttpRequest(), processors=[context_processors.tz]
)
self.assertEqual(tpl.render(request_context), "Africa/Nairobi")
@requires_tz_support
def test_date_and_time_template_filters(self):
tpl = Template("{{ dt|date:'Y-m-d' }} at {{ dt|time:'H:i:s' }}")
ctx = Context({"dt": datetime.datetime(2011, 9, 1, 20, 20, 20, tzinfo=UTC)})
self.assertEqual(tpl.render(ctx), "2011-09-01 at 23:20:20")
with timezone.override(ICT):
self.assertEqual(tpl.render(ctx), "2011-09-02 at 03:20:20")
def test_date_and_time_template_filters_honor_localtime(self):
tpl = Template(
"{% load tz %}{% localtime off %}{{ dt|date:'Y-m-d' }} at "
"{{ dt|time:'H:i:s' }}{% endlocaltime %}"
)
ctx = Context({"dt": datetime.datetime(2011, 9, 1, 20, 20, 20, tzinfo=UTC)})
self.assertEqual(tpl.render(ctx), "2011-09-01 at 20:20:20")
with timezone.override(ICT):
self.assertEqual(tpl.render(ctx), "2011-09-01 at 20:20:20")
@requires_tz_support
def test_now_template_tag_uses_current_time_zone(self):
# Regression for #17343
tpl = Template('{% now "O" %}')
self.assertEqual(tpl.render(Context({})), "+0300")
with timezone.override(ICT):
self.assertEqual(tpl.render(Context({})), "+0700")
# RemovedInDjango50Warning: When the deprecation ends, remove setUpClass() and
# USE_L10N=False. The tests should remain because format-related settings will
# take precedence over locale-dictated formats.
@override_settings(
DATETIME_FORMAT="c", TIME_ZONE="Africa/Nairobi", USE_L10N=False, USE_TZ=False
)
class LegacyFormsTests(TestCase):
@classmethod
def setUpClass(cls):
with ignore_warnings(category=RemovedInDjango50Warning):
super().setUpClass()
def test_form(self):
form = EventForm({"dt": "2011-09-01 13:20:30"})
self.assertTrue(form.is_valid())
self.assertEqual(
form.cleaned_data["dt"], datetime.datetime(2011, 9, 1, 13, 20, 30)
)
def test_form_with_non_existent_time(self):
form = EventForm({"dt": "2011-03-27 02:30:00"})
for tz in get_timezones("Europe/Paris"):
with self.subTest(repr(tz)):
with timezone.override(tz):
# This is a bug.
self.assertTrue(form.is_valid())
self.assertEqual(
form.cleaned_data["dt"],
datetime.datetime(2011, 3, 27, 2, 30, 0),
)
def test_form_with_ambiguous_time(self):
form = EventForm({"dt": "2011-10-30 02:30:00"})
for tz in get_timezones("Europe/Paris"):
with self.subTest(repr(tz)):
with timezone.override(tz):
# This is a bug.
self.assertTrue(form.is_valid())
self.assertEqual(
form.cleaned_data["dt"],
datetime.datetime(2011, 10, 30, 2, 30, 0),
)
def test_split_form(self):
form = EventSplitForm({"dt_0": "2011-09-01", "dt_1": "13:20:30"})
self.assertTrue(form.is_valid())
self.assertEqual(
form.cleaned_data["dt"], datetime.datetime(2011, 9, 1, 13, 20, 30)
)
def test_model_form(self):
EventModelForm({"dt": "2011-09-01 13:20:30"}).save()
e = Event.objects.get()
self.assertEqual(e.dt, datetime.datetime(2011, 9, 1, 13, 20, 30))
# RemovedInDjango50Warning: When the deprecation ends, remove setUpClass() and
# USE_L10N=False. The tests should remain because format-related settings will
# take precedence over locale-dictated formats.
@override_settings(
DATETIME_FORMAT="c", TIME_ZONE="Africa/Nairobi", USE_L10N=False, USE_TZ=True
)
class NewFormsTests(TestCase):
@classmethod
def setUpClass(cls):
with ignore_warnings(category=RemovedInDjango50Warning):
super().setUpClass()
@requires_tz_support
def test_form(self):
form = EventForm({"dt": "2011-09-01 13:20:30"})
self.assertTrue(form.is_valid())
self.assertEqual(
form.cleaned_data["dt"],
datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC),
)
def test_form_with_other_timezone(self):
form = EventForm({"dt": "2011-09-01 17:20:30"})
with timezone.override(ICT):
self.assertTrue(form.is_valid())
self.assertEqual(
form.cleaned_data["dt"],
datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC),
)
def test_form_with_non_existent_time(self):
for tz in get_timezones("Europe/Paris"):
with self.subTest(repr(tz)):
with timezone.override(tz):
form = EventForm({"dt": "2011-03-27 02:30:00"})
self.assertFalse(form.is_valid())
self.assertEqual(
form.errors["dt"],
[
"2011-03-27 02:30:00 couldnt be interpreted in time zone "
"Europe/Paris; it may be ambiguous or it may not exist."
],
)
def test_form_with_ambiguous_time(self):
for tz in get_timezones("Europe/Paris"):
with self.subTest(repr(tz)):
with timezone.override(tz):
form = EventForm({"dt": "2011-10-30 02:30:00"})
self.assertFalse(form.is_valid())
self.assertEqual(
form.errors["dt"],
[
"2011-10-30 02:30:00 couldnt be interpreted in time zone "
"Europe/Paris; it may be ambiguous or it may not exist."
],
)
@requires_tz_support
def test_split_form(self):
form = EventSplitForm({"dt_0": "2011-09-01", "dt_1": "13:20:30"})
self.assertTrue(form.is_valid())
self.assertEqual(
form.cleaned_data["dt"],
datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC),
)
@requires_tz_support
def test_localized_form(self):
form = EventLocalizedForm(
initial={"dt": datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT)}
)
with timezone.override(ICT):
self.assertIn("2011-09-01 17:20:30", str(form))
@requires_tz_support
def test_model_form(self):
EventModelForm({"dt": "2011-09-01 13:20:30"}).save()
e = Event.objects.get()
self.assertEqual(e.dt, datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC))
@requires_tz_support
def test_localized_model_form(self):
form = EventLocalizedModelForm(
instance=Event(dt=datetime.datetime(2011, 9, 1, 13, 20, 30, tzinfo=EAT))
)
with timezone.override(ICT):
self.assertIn("2011-09-01 17:20:30", str(form))
@override_settings(
DATETIME_FORMAT="c",
TIME_ZONE="Africa/Nairobi",
USE_L10N=False,
USE_TZ=True,
ROOT_URLCONF="timezones.urls",
)
class AdminTests(TestCase):
@classmethod
def setUpClass(cls):
with ignore_warnings(category=RemovedInDjango50Warning):
super().setUpClass()
@classmethod
def setUpTestData(cls):
cls.u1 = User.objects.create_user(
password="secret",
last_login=datetime.datetime(2007, 5, 30, 13, 20, 10, tzinfo=UTC),
is_superuser=True,
username="super",
first_name="Super",
last_name="User",
email="super@example.com",
is_staff=True,
is_active=True,
date_joined=datetime.datetime(2007, 5, 30, 13, 20, 10, tzinfo=UTC),
)
def setUp(self):
self.client.force_login(self.u1)
@requires_tz_support
def test_changelist(self):
e = Event.objects.create(
dt=datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC)
)
response = self.client.get(reverse("admin_tz:timezones_event_changelist"))
self.assertContains(response, e.dt.astimezone(EAT).isoformat())
def test_changelist_in_other_timezone(self):
e = Event.objects.create(
dt=datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC)
)
with timezone.override(ICT):
response = self.client.get(reverse("admin_tz:timezones_event_changelist"))
self.assertContains(response, e.dt.astimezone(ICT).isoformat())
@requires_tz_support
def test_change_editable(self):
e = Event.objects.create(
dt=datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC)
)
response = self.client.get(
reverse("admin_tz:timezones_event_change", args=(e.pk,))
)
self.assertContains(response, e.dt.astimezone(EAT).date().isoformat())
self.assertContains(response, e.dt.astimezone(EAT).time().isoformat())
def test_change_editable_in_other_timezone(self):
e = Event.objects.create(
dt=datetime.datetime(2011, 9, 1, 10, 20, 30, tzinfo=UTC)
)
with timezone.override(ICT):
response = self.client.get(
reverse("admin_tz:timezones_event_change", args=(e.pk,))
)
self.assertContains(response, e.dt.astimezone(ICT).date().isoformat())
self.assertContains(response, e.dt.astimezone(ICT).time().isoformat())
@requires_tz_support
def test_change_readonly(self):
Timestamp.objects.create()
# re-fetch the object for backends that lose microseconds (MySQL)
t = Timestamp.objects.get()
response = self.client.get(
reverse("admin_tz:timezones_timestamp_change", args=(t.pk,))
)
self.assertContains(response, t.created.astimezone(EAT).isoformat())
def test_change_readonly_in_other_timezone(self):
Timestamp.objects.create()
# re-fetch the object for backends that lose microseconds (MySQL)
t = Timestamp.objects.get()
with timezone.override(ICT):
response = self.client.get(
reverse("admin_tz:timezones_timestamp_change", args=(t.pk,))
)
self.assertContains(response, t.created.astimezone(ICT).isoformat())