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from datetime import date, datetime
from django.core.exceptions import ValidationError
from django.forms import DateField, Form, HiddenInput, SelectDateWidget
from django.test import SimpleTestCase, override_settings
from django.utils import translation
class GetDate(Form):
mydate = DateField(widget=SelectDateWidget)
class DateFieldTest(SimpleTestCase):
def test_form_field(self):
a = GetDate({'mydate_month': '4', 'mydate_day': '1', 'mydate_year': '2008'})
self.assertTrue(a.is_valid())
self.assertEqual(a.cleaned_data['mydate'], date(2008, 4, 1))
# As with any widget that implements get_value_from_datadict(), we must
# accept the input from the "as_hidden" rendering as well.
self.assertHTMLEqual(
a['mydate'].as_hidden(),
'<input type="hidden" name="mydate" value="2008-04-01" id="id_mydate">',
)
b = GetDate({'mydate': '2008-4-1'})
self.assertTrue(b.is_valid())
self.assertEqual(b.cleaned_data['mydate'], date(2008, 4, 1))
# Invalid dates shouldn't be allowed
c = GetDate({'mydate_month': '2', 'mydate_day': '31', 'mydate_year': '2010'})
self.assertFalse(c.is_valid())
self.assertEqual(c.errors, {'mydate': ['Enter a valid date.']})
# label tag is correctly associated with month dropdown
d = GetDate({'mydate_month': '1', 'mydate_day': '1', 'mydate_year': '2010'})
self.assertIn('<label for="id_mydate_month">', d.as_p())
@override_settings(USE_L10N=True)
@translation.override('nl')
def test_l10n_date_changed(self):
"""
DateField.has_changed() with SelectDateWidget works with a localized
date format (#17165).
"""
# With Field.show_hidden_initial=False
b = GetDate({
'mydate_year': '2008',
'mydate_month': '4',
'mydate_day': '1',
}, initial={'mydate': date(2008, 4, 1)})
self.assertFalse(b.has_changed())
b = GetDate({
'mydate_year': '2008',
'mydate_month': '4',
'mydate_day': '2',
}, initial={'mydate': date(2008, 4, 1)})
self.assertTrue(b.has_changed())
# With Field.show_hidden_initial=True
class GetDateShowHiddenInitial(Form):
mydate = DateField(widget=SelectDateWidget, show_hidden_initial=True)
b = GetDateShowHiddenInitial({
'mydate_year': '2008',
'mydate_month': '4',
'mydate_day': '1',
'initial-mydate': HiddenInput().format_value(date(2008, 4, 1)),
}, initial={'mydate': date(2008, 4, 1)})
self.assertFalse(b.has_changed())
b = GetDateShowHiddenInitial({
'mydate_year': '2008',
'mydate_month': '4',
'mydate_day': '22',
'initial-mydate': HiddenInput().format_value(date(2008, 4, 1)),
}, initial={'mydate': date(2008, 4, 1)})
self.assertTrue(b.has_changed())
b = GetDateShowHiddenInitial({
'mydate_year': '2008',
'mydate_month': '4',
'mydate_day': '22',
'initial-mydate': HiddenInput().format_value(date(2008, 4, 1)),
}, initial={'mydate': date(2008, 4, 22)})
self.assertTrue(b.has_changed())
b = GetDateShowHiddenInitial({
'mydate_year': '2008',
'mydate_month': '4',
'mydate_day': '22',
'initial-mydate': HiddenInput().format_value(date(2008, 4, 22)),
}, initial={'mydate': date(2008, 4, 1)})
self.assertFalse(b.has_changed())
@override_settings(USE_L10N=True)
@translation.override('nl')
def test_l10n_invalid_date_in(self):
# Invalid dates shouldn't be allowed
a = GetDate({'mydate_month': '2', 'mydate_day': '31', 'mydate_year': '2010'})
self.assertFalse(a.is_valid())
# 'Geef een geldige datum op.' = 'Enter a valid date.'
self.assertEqual(a.errors, {'mydate': ['Voer een geldige datum in.']})
@override_settings(USE_L10N=True)
@translation.override('nl')
def test_form_label_association(self):
# label tag is correctly associated with first rendered dropdown
a = GetDate({'mydate_month': '1', 'mydate_day': '1', 'mydate_year': '2010'})
self.assertIn('<label for="id_mydate_day">', a.as_p())
def test_datefield_1(self):
f = DateField()
self.assertEqual(date(2006, 10, 25), f.clean(date(2006, 10, 25)))
self.assertEqual(date(2006, 10, 25), f.clean(datetime(2006, 10, 25, 14, 30)))
self.assertEqual(date(2006, 10, 25), f.clean(datetime(2006, 10, 25, 14, 30, 59)))
self.assertEqual(date(2006, 10, 25), f.clean(datetime(2006, 10, 25, 14, 30, 59, 200)))
self.assertEqual(date(2006, 10, 25), f.clean('2006-10-25'))
self.assertEqual(date(2006, 10, 25), f.clean('10/25/2006'))
self.assertEqual(date(2006, 10, 25), f.clean('10/25/06'))
self.assertEqual(date(2006, 10, 25), f.clean('Oct 25 2006'))
self.assertEqual(date(2006, 10, 25), f.clean('October 25 2006'))
self.assertEqual(date(2006, 10, 25), f.clean('October 25, 2006'))
self.assertEqual(date(2006, 10, 25), f.clean('25 October 2006'))
self.assertEqual(date(2006, 10, 25), f.clean('25 October, 2006'))
with self.assertRaisesMessage(ValidationError, "'Enter a valid date.'"):
f.clean('2006-4-31')
with self.assertRaisesMessage(ValidationError, "'Enter a valid date.'"):
f.clean('200a-10-25')
with self.assertRaisesMessage(ValidationError, "'Enter a valid date.'"):
f.clean('25/10/06')
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
f.clean(None)
def test_datefield_2(self):
f = DateField(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_datefield_3(self):
f = DateField(input_formats=['%Y %m %d'])
self.assertEqual(date(2006, 10, 25), f.clean(date(2006, 10, 25)))
self.assertEqual(date(2006, 10, 25), f.clean(datetime(2006, 10, 25, 14, 30)))
self.assertEqual(date(2006, 10, 25), f.clean('2006 10 25'))
with self.assertRaisesMessage(ValidationError, "'Enter a valid date.'"):
f.clean('2006-10-25')
with self.assertRaisesMessage(ValidationError, "'Enter a valid date.'"):
f.clean('10/25/2006')
with self.assertRaisesMessage(ValidationError, "'Enter a valid date.'"):
f.clean('10/25/06')
def test_datefield_4(self):
# Test whitespace stripping behavior (#5714)
f = DateField()
self.assertEqual(date(2006, 10, 25), f.clean(' 10/25/2006 '))
self.assertEqual(date(2006, 10, 25), f.clean(' 10/25/06 '))
self.assertEqual(date(2006, 10, 25), f.clean(' Oct 25 2006 '))
self.assertEqual(date(2006, 10, 25), f.clean(' October 25 2006 '))
self.assertEqual(date(2006, 10, 25), f.clean(' October 25, 2006 '))
self.assertEqual(date(2006, 10, 25), f.clean(' 25 October 2006 '))
with self.assertRaisesMessage(ValidationError, "'Enter a valid date.'"):
f.clean(' ')
def test_datefield_5(self):
# Test null bytes (#18982)
f = DateField()
with self.assertRaisesMessage(ValidationError, "'Enter a valid date.'"):
f.clean('a\x00b')
def test_datefield_changed(self):
format = '%d/%m/%Y'
f = DateField(input_formats=[format])
d = date(2007, 9, 17)
self.assertFalse(f.has_changed(d, '17/09/2007'))
def test_datefield_strptime(self):
"""field.strptime() doesn't raise a UnicodeEncodeError (#16123)"""
f = DateField()
try:
f.strptime('31 мая 2011', '%d-%b-%y')
except Exception as e:
# assertIsInstance or assertRaises cannot be used because UnicodeEncodeError
# is a subclass of ValueError
self.assertEqual(e.__class__, ValueError)
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