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from datetime import date, datetime, timezone
from django.core.exceptions import ValidationError
from django.forms import DateTimeField
from django.test import SimpleTestCase
from django.utils.timezone import get_fixed_timezone
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=timezone.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=timezone.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),
),
),
),
]
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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