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import datetime
from django.core.exceptions import ValidationError
from django.forms import DurationField
from django.test import SimpleTestCase
from django.utils import translation
from django.utils.duration import duration_string
from . import FormFieldAssertionsMixin
class DurationFieldTest(FormFieldAssertionsMixin, SimpleTestCase):
def test_durationfield_clean(self):
f = DurationField()
self.assertEqual(datetime.timedelta(seconds=30), f.clean('30'))
self.assertEqual(datetime.timedelta(minutes=15, seconds=30), f.clean('15:30'))
self.assertEqual(datetime.timedelta(hours=1, minutes=15, seconds=30), f.clean('1:15:30'))
self.assertEqual(
datetime.timedelta(days=1, hours=1, minutes=15, seconds=30, milliseconds=300),
f.clean('1 1:15:30.3')
)
self.assertEqual(
datetime.timedelta(0, 10800),
f.clean(datetime.timedelta(0, 10800)),
)
msg = 'This field is required.'
with self.assertRaisesMessage(ValidationError, msg):
f.clean('')
msg = 'Enter a valid duration.'
with self.assertRaisesMessage(ValidationError, msg):
f.clean('not_a_time')
def test_durationfield_clean_not_required(self):
f = DurationField(required=False)
self.assertIsNone(f.clean(''))
def test_overflow(self):
msg = "The number of days must be between {min_days} and {max_days}.".format(
min_days=datetime.timedelta.min.days,
max_days=datetime.timedelta.max.days,
)
f = DurationField()
with self.assertRaisesMessage(ValidationError, msg):
f.clean('1000000000 00:00:00')
with self.assertRaisesMessage(ValidationError, msg):
f.clean('-1000000000 00:00:00')
def test_overflow_translation(self):
msg = "Le nombre de jours doit être entre {min_days} et {max_days}.".format(
min_days=datetime.timedelta.min.days,
max_days=datetime.timedelta.max.days,
)
with translation.override('fr'):
with self.assertRaisesMessage(ValidationError, msg):
DurationField().clean('1000000000 00:00:00')
def test_durationfield_render(self):
self.assertWidgetRendersTo(
DurationField(initial=datetime.timedelta(hours=1)),
'<input id="id_f" type="text" name="f" value="01:00:00" required>',
)
def test_durationfield_integer_value(self):
f = DurationField()
self.assertEqual(datetime.timedelta(0, 10800), f.clean(10800))
def test_durationfield_prepare_value(self):
field = DurationField()
td = datetime.timedelta(minutes=15, seconds=30)
self.assertEqual(field.prepare_value(td), duration_string(td))
self.assertEqual(field.prepare_value('arbitrary'), 'arbitrary')
self.assertIsNone(field.prepare_value(None))
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