django/tests/modeltests/validation/test_error_messages.py

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from django.core.exceptions import ValidationError
from django.db import models
from django.utils.unittest import TestCase
class ValidationMessagesTest(TestCase):
def _test_validation_messages(self, field, value, expected):
with self.assertRaises(ValidationError) as cm:
field.clean(value, None)
self.assertEqual(cm.exception.messages, expected)
def test_autofield_field_raises_error_message(self):
f = models.AutoField(primary_key=True)
self._test_validation_messages(f, 'foo',
[u"'foo' value must be an integer."])
# primary_key must be True. Refs #12467.
with self.assertRaisesRegexp(AssertionError,
"AutoFields must have primary_key=True."):
models.AutoField(primary_key=False)
def test_integer_field_raises_error_message(self):
f = models.IntegerField()
self._test_validation_messages(f, 'foo',
[u"'foo' value must be an integer."])
def test_boolean_field_raises_error_message(self):
f = models.BooleanField()
self._test_validation_messages(f, 'foo',
[u"'foo' value must be either True or False."])
def test_float_field_raises_error_message(self):
f = models.FloatField()
self._test_validation_messages(f, 'foo',
[u"'foo' value must be a float."])
def test_decimal_field_raises_error_message(self):
f = models.DecimalField()
self._test_validation_messages(f, 'foo',
[u"'foo' value must be a decimal number."])
def test_null_boolean_field_raises_error_message(self):
f = models.NullBooleanField()
self._test_validation_messages(f, 'foo',
[u"'foo' value must be either None, True or False."])
def test_date_field_raises_error_message(self):
f = models.DateField()
self._test_validation_messages(f, 'foo',
[u"'foo' value has an invalid date format. "
u"It must be in YYYY-MM-DD format."])
self._test_validation_messages(f, 'aaaa-10-10',
[u"'aaaa-10-10' value has an invalid date format. "
u"It must be in YYYY-MM-DD format."])
self._test_validation_messages(f, '2011-13-10',
[u"'2011-13-10' value has the correct format (YYYY-MM-DD) "
u"but it is an invalid date."])
self._test_validation_messages(f, '2011-10-32',
[u"'2011-10-32' value has the correct format (YYYY-MM-DD) "
u"but it is an invalid date."])
def test_datetime_field_raises_error_message(self):
f = models.DateTimeField()
# Wrong format
self._test_validation_messages(f, 'foo',
[u"'foo' value has an invalid format. It must be "
u"in YYYY-MM-DD HH:MM[:ss[.uuuuuu]][TZ] format."])
# Correct format but invalid date
self._test_validation_messages(f, '2011-10-32',
[u"'2011-10-32' value has the correct format "
u"(YYYY-MM-DD) but it is an invalid date."])
# Correct format but invalid date/time
self._test_validation_messages(f, '2011-10-32 10:10',
[u"'2011-10-32 10:10' value has the correct format "
u"(YYYY-MM-DD HH:MM[:ss[.uuuuuu]][TZ]) "
u"but it is an invalid date/time."])
def test_time_field_raises_error_message(self):
f = models.TimeField()
# Wrong format
self._test_validation_messages(f, 'foo',
[u"'foo' value has an invalid format. It must be in "
u"HH:MM[:ss[.uuuuuu]] format."])
# Correct format but invalid time
self._test_validation_messages(f, '25:50',
[u"'25:50' value has the correct format "
u"(HH:MM[:ss[.uuuuuu]]) but it is an invalid time."])