def test_length_validator_zero_maximum(self):
lv = validators.LengthValidator(min_length=None, max_length=0)
# no problems here
lv('')
with self.assertRaises(ValidationError):
lv('longer than zero chars')
def test_using_validators_on_other_fields(self):
dict_validator = validators.DictionaryValidator(words=['nostromo'],
threshold=0.8)
length_validator = validators.LengthValidator(min_length=2)
p = CharField(validators=[dict_validator, length_validator])
p.clean('aa')
with self.assertRaises(ValidationError):
p.clean('a') # too short
with self.assertRaises(ValidationError):
p.clean('nostrilomo') # too much like nostromo
def test_length_validator_explicit_minimum(self):
lv = validators.LengthValidator(min_length=8, max_length=None)
# these should all fail validation
badstrings = '', '1', '1234567', '$%ǟ^&*('
for bad in badstrings:
with self.assertRaises(ValidationError):
lv(bad)
# these should all pass validation
goodstrings = '12345678', '^@$%()ǟ^&$@%ǟ_(^$%@ǟ\'\')'
for good in goodstrings:
lv(good)
def test_length_validator_no_maximum(self):
lv = validators.LengthValidator(min_length=None, max_length=None)
lv('any length is fine')
def test_length_validator_no_minimum(self):
lv = validators.LengthValidator(min_length=None, max_length=None)
lv('')