def test_required_validation(self):
""" Tests that validation raise on none and blank values if value required. """
Text(required=True).validate('b')
with self.assertRaises(ValidationError):
Text(required=True).validate('')
with self.assertRaises(ValidationError):
Text(required=True).validate(None)
# With min_length set.
Text(required=True, min_length=0).validate('b')
Text(required=True, min_length=1).validate('b')
with self.assertRaises(ValidationError):
Text(required=True, min_length=2).validate('b')
# With max_length set.
Text(required=True, max_length=1).validate('b')
with self.assertRaises(ValidationError):
Text(required=True, max_length=2).validate('blake')
with self.assertRaises(ValueError):
Text(required=True, max_length=0)
def test_type_checking(self):
Text().validate('string')
Text().validate(u'unicode')
Text().validate(bytearray('bytearray', encoding='ascii'))
with self.assertRaises(ValidationError):
Text().validate(5)
with self.assertRaises(ValidationError):
Text().validate(True)
Text().validate("!#$%&\'()*+,-./")
Text().validate('Beyonc' + chr(233))
if sys.version_info < (3, 1):
Text().validate(u'Beyonc' + unichr(233))
def test_length_range(self):
Text(min_length=0, max_length=0)
Text(min_length=0, max_length=1)
Text(min_length=10, max_length=10)
Text(min_length=10, max_length=11)
with self.assertRaises(ValueError):
Text(min_length=10, max_length=9)
with self.assertRaises(ValueError):
Text(min_length=1, max_length=0)
def test_non_required_validation(self):
""" Tests that validation is ok on none and blank values if required is False """
Text().validate('')
Text().validate(None)
def test_unaltering_validation(self):
""" Test the validation step doesn't re-interpret values. """
self.assertEqual(Text().validate(''), '')
self.assertEqual(Text().validate(None), None)
self.assertEqual(Text().validate('yo'), 'yo')
def test_max_length(self):
""" Test arbitrary maximal lengths requirements. """
Text(max_length=0).validate('')
Text(max_length=0).validate(None)
Text(max_length=1).validate('')
Text(max_length=1).validate(None)
Text(max_length=1).validate('b')
Text(max_length=5).validate('')
Text(max_length=5).validate(None)
Text(max_length=5).validate('b')
Text(max_length=5).validate('blake')
with self.assertRaises(ValidationError):
Text(max_length=0).validate('b')
with self.assertRaises(ValidationError):
Text(max_length=5).validate('blaketastic')
with self.assertRaises(ValueError):
Text(max_length=-1)