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from datetime import date, datetime
from django.forms import DateTimeField, ValidationError
from django.test import SimpleTestCase
from django.utils.timezone import get_fixed_timezone, utc
class DateTimeFieldTest(SimpleTestCase):
def test_datetimefield_clean(self):
tests = [
(date(2006, 10, 25), datetime(2006, 10, 25, 0, 0)),
(datetime(2006, 10, 25, 14, 30), datetime(2006, 10, 25, 14, 30)),
(datetime(2006, 10, 25, 14, 30, 59), datetime(2006, 10, 25, 14, 30, 59)),
(
datetime(2006, 10, 25, 14, 30, 59, 200),
datetime(2006, 10, 25, 14, 30, 59, 200),
),
('2006-10-25 14:30:45.000200', datetime(2006, 10, 25, 14, 30, 45, 200)),
('2006-10-25 14:30:45.0002', datetime(2006, 10, 25, 14, 30, 45, 200)),
('2006-10-25 14:30:45', datetime(2006, 10, 25, 14, 30, 45)),
('2006-10-25 14:30:00', datetime(2006, 10, 25, 14, 30)),
('2006-10-25 14:30', datetime(2006, 10, 25, 14, 30)),
('2006-10-25', datetime(2006, 10, 25, 0, 0)),
('10/25/2006 14:30:45.000200', datetime(2006, 10, 25, 14, 30, 45, 200)),
('10/25/2006 14:30:45', datetime(2006, 10, 25, 14, 30, 45)),
('10/25/2006 14:30:00', datetime(2006, 10, 25, 14, 30)),
('10/25/2006 14:30', datetime(2006, 10, 25, 14, 30)),
('10/25/2006', datetime(2006, 10, 25, 0, 0)),
('10/25/06 14:30:45.000200', datetime(2006, 10, 25, 14, 30, 45, 200)),
('10/25/06 14:30:45', datetime(2006, 10, 25, 14, 30, 45)),
('10/25/06 14:30:00', datetime(2006, 10, 25, 14, 30)),
('10/25/06 14:30', datetime(2006, 10, 25, 14, 30)),
('10/25/06', datetime(2006, 10, 25, 0, 0)),
# ISO 8601 formats.
(
'2014-09-23T22:34:41.614804',
datetime(2014, 9, 23, 22, 34, 41, 614804),
),
('2014-09-23T22:34:41', datetime(2014, 9, 23, 22, 34, 41)),
('2014-09-23T22:34', datetime(2014, 9, 23, 22, 34)),
('2014-09-23', datetime(2014, 9, 23, 0, 0)),
('2014-09-23T22:34Z', datetime(2014, 9, 23, 22, 34, tzinfo=utc)),
(
'2014-09-23T22:34+07:00',
datetime(2014, 9, 23, 22, 34, tzinfo=get_fixed_timezone(420)),
),
# Whitespace stripping.
(' 2006-10-25 14:30:45 ', datetime(2006, 10, 25, 14, 30, 45)),
(' 2006-10-25 ', datetime(2006, 10, 25, 0, 0)),
(' 10/25/2006 14:30:45 ', datetime(2006, 10, 25, 14, 30, 45)),
(' 10/25/2006 14:30 ', datetime(2006, 10, 25, 14, 30)),
(' 10/25/2006 ', datetime(2006, 10, 25, 0, 0)),
(' 10/25/06 14:30:45 ', datetime(2006, 10, 25, 14, 30, 45)),
(' 10/25/06 ', datetime(2006, 10, 25, 0, 0)),
(
' 2014-09-23T22:34:41.614804 ',
datetime(2014, 9, 23, 22, 34, 41, 614804),
),
(' 2014-09-23T22:34Z ', datetime(2014, 9, 23, 22, 34, tzinfo=utc)),
]
f = DateTimeField()
for value, expected_datetime in tests:
with self.subTest(value=value):
self.assertEqual(f.clean(value), expected_datetime)
def test_datetimefield_clean_invalid(self):
f = DateTimeField()
msg = "'Enter a valid date/time.'"
with self.assertRaisesMessage(ValidationError, msg):
f.clean('hello')
with self.assertRaisesMessage(ValidationError, msg):
f.clean('2006-10-25 4:30 p.m.')
with self.assertRaisesMessage(ValidationError, msg):
f.clean(' ')
with self.assertRaisesMessage(ValidationError, msg):
f.clean('2014-09-23T28:23')
f = DateTimeField(input_formats=['%Y %m %d %I:%M %p'])
with self.assertRaisesMessage(ValidationError, msg):
f.clean('2006.10.25 14:30:45')
def test_datetimefield_clean_input_formats(self):
tests = [
('%Y %m %d %I:%M %p', (
(date(2006, 10, 25), datetime(2006, 10, 25, 0, 0)),
(datetime(2006, 10, 25, 14, 30), datetime(2006, 10, 25, 14, 30)),
(
datetime(2006, 10, 25, 14, 30, 59),
datetime(2006, 10, 25, 14, 30, 59),
),
(
datetime(2006, 10, 25, 14, 30, 59, 200),
datetime(2006, 10, 25, 14, 30, 59, 200),
),
('2006 10 25 2:30 PM', datetime(2006, 10, 25, 14, 30)),
# ISO-like formats are always accepted.
('2006-10-25 14:30:45', datetime(2006, 10, 25, 14, 30, 45)),
)),
('%Y.%m.%d %H:%M:%S.%f', (
(
'2006.10.25 14:30:45.0002',
datetime(2006, 10, 25, 14, 30, 45, 200),
),
)),
]
f = DateTimeField()
for input_format, values in tests:
f = DateTimeField(input_formats=[input_format])
for value, expected_datetime in values:
with self.subTest(value=value, input_format=input_format):
self.assertEqual(f.clean(value), expected_datetime)
def test_datetimefield_not_required(self):
f = DateTimeField(required=False)
self.assertIsNone(f.clean(None))
self.assertEqual('None', repr(f.clean(None)))
self.assertIsNone(f.clean(''))
self.assertEqual('None', repr(f.clean('')))
def test_datetimefield_changed(self):
f = DateTimeField(input_formats=['%Y %m %d %I:%M %p'])
d = datetime(2006, 9, 17, 14, 30, 0)
self.assertFalse(f.has_changed(d, '2006 09 17 2:30 PM'))
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