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import copy
import datetime
import pickle
from django.test.utils import override_settings
from django.utils import timezone
from django.utils.tzinfo import FixedOffset
from django.utils import unittest
EAT = FixedOffset(180) # Africa/Nairobi
ICT = FixedOffset(420) # Asia/Bangkok
class TimezoneTests(unittest.TestCase):
def test_localtime(self):
now = datetime.datetime.utcnow().replace(tzinfo=timezone.utc)
local_tz = timezone.LocalTimezone()
local_now = timezone.localtime(now, local_tz)
self.assertEqual(local_now.tzinfo, local_tz)
def test_now(self):
with override_settings(USE_TZ=True):
self.assertTrue(timezone.is_aware(timezone.now()))
with override_settings(USE_TZ=False):
self.assertTrue(timezone.is_naive(timezone.now()))
def test_override(self):
default = timezone.get_default_timezone()
try:
timezone.activate(ICT)
with timezone.override(EAT):
self.assertIs(EAT, timezone.get_current_timezone())
self.assertIs(ICT, timezone.get_current_timezone())
with timezone.override(None):
self.assertIs(default, timezone.get_current_timezone())
self.assertIs(ICT, timezone.get_current_timezone())
timezone.deactivate()
with timezone.override(EAT):
self.assertIs(EAT, timezone.get_current_timezone())
self.assertIs(default, timezone.get_current_timezone())
with timezone.override(None):
self.assertIs(default, timezone.get_current_timezone())
self.assertIs(default, timezone.get_current_timezone())
finally:
timezone.deactivate()
def test_copy(self):
self.assertIsInstance(copy.copy(timezone.UTC()), timezone.UTC)
self.assertIsInstance(copy.copy(timezone.LocalTimezone()), timezone.LocalTimezone)
def test_deepcopy(self):
self.assertIsInstance(copy.deepcopy(timezone.UTC()), timezone.UTC)
self.assertIsInstance(copy.deepcopy(timezone.LocalTimezone()), timezone.LocalTimezone)
def test_pickling_unpickling(self):
self.assertIsInstance(pickle.loads(pickle.dumps(timezone.UTC())), timezone.UTC)
self.assertIsInstance(pickle.loads(pickle.dumps(timezone.LocalTimezone())), timezone.LocalTimezone)
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