def test_required_validation(self):
""" Tests that validation raise on none and blank values if value required. """
Ascii(required=True).validate('k')
with self.assertRaises(ValidationError):
Ascii(required=True).validate('')
with self.assertRaises(ValidationError):
Ascii(required=True).validate(None)
# With min_length set.
Ascii(required=True, min_length=0).validate('k')
Ascii(required=True, min_length=1).validate('k')
with self.assertRaises(ValidationError):
Ascii(required=True, min_length=2).validate('k')
# With max_length set.
Ascii(required=True, max_length=1).validate('k')
with self.assertRaises(ValidationError):
Ascii(required=True, max_length=2).validate('kevin')
with self.assertRaises(ValueError):
Ascii(required=True, max_length=0)
def test_length_range(self):
Ascii(min_length=0, max_length=0)
Ascii(min_length=0, max_length=1)
Ascii(min_length=10, max_length=10)
Ascii(min_length=10, max_length=11)
with self.assertRaises(ValueError):
Ascii(min_length=10, max_length=9)
with self.assertRaises(ValueError):
Ascii(min_length=1, max_length=0)
def test_type_checking(self):
Ascii().validate('string')
Ascii().validate(u'unicode')
Ascii().validate(bytearray('bytearray', encoding='ascii'))
with self.assertRaises(ValidationError):
Ascii().validate(5)
with self.assertRaises(ValidationError):
Ascii().validate(True)
Ascii().validate("!#$%&\'()*+,-./")
with self.assertRaises(ValidationError):
Ascii().validate('Beyonc' + chr(233))
if sys.version_info < (3, 1):
with self.assertRaises(ValidationError):
Ascii().validate(u'Beyonc' + unichr(233))
def test_non_required_validation(self):
""" Tests that validation is ok on none and blank values if required is False. """
Ascii().validate('')
Ascii().validate(None)
def test_unaltering_validation(self):
""" Test the validation step doesn't re-interpret values. """
self.assertEqual(Ascii().validate(''), '')
self.assertEqual(Ascii().validate(None), None)
self.assertEqual(Ascii().validate('yo'), 'yo')
def test_max_length(self):
""" Test arbitrary maximal lengths requirements. """
Ascii(max_length=0).validate('')
Ascii(max_length=0).validate(None)
Ascii(max_length=1).validate('')
Ascii(max_length=1).validate(None)
Ascii(max_length=1).validate('b')
Ascii(max_length=5).validate('')
Ascii(max_length=5).validate(None)
Ascii(max_length=5).validate('b')
Ascii(max_length=5).validate('blake')
with self.assertRaises(ValidationError):
Ascii(max_length=0).validate('b')
with self.assertRaises(ValidationError):
Ascii(max_length=5).validate('blaketastic')
with self.assertRaises(ValueError):
Ascii(max_length=-1)
def test_min_length(self):
""" Test arbitrary minimal lengths requirements. """
Ascii(min_length=0).validate('')
Ascii(min_length=0).validate(None)
Ascii(min_length=0).validate('kevin')
Ascii(min_length=1).validate('k')
Ascii(min_length=5).validate('kevin')
Ascii(min_length=5).validate('kevintastic')
with self.assertRaises(ValidationError):
Ascii(min_length=1).validate('')
with self.assertRaises(ValidationError):
Ascii(min_length=1).validate(None)
with self.assertRaises(ValidationError):
Ascii(min_length=6).validate('')
with self.assertRaises(ValidationError):
Ascii(min_length=6).validate(None)
with self.assertRaises(ValidationError):
Ascii(min_length=6).validate('kevin')
with self.assertRaises(ValueError):
Ascii(min_length=-1)