def test_validates_incorrect_plain_address(self):
self.assertFalse(is_valid_ipv6_address('foo'))
self.assertFalse(is_valid_ipv6_address('127.0.0.1'))
self.assertFalse(is_valid_ipv6_address('12345::'))
self.assertFalse(is_valid_ipv6_address('1::2:3::4'))
self.assertFalse(is_valid_ipv6_address('1::zzz'))
self.assertFalse(is_valid_ipv6_address('1::2:3:4:5:6:7:8'))
self.assertFalse(is_valid_ipv6_address('1:2'))
self.assertFalse(is_valid_ipv6_address('1:::2'))
def test_validates_correct_plain_address(self):
self.assertTrue(is_valid_ipv6_address('fe80::223:6cff:fe8a:2e8a'))
self.assertTrue(is_valid_ipv6_address('2a02::223:6cff:fe8a:2e8a'))
self.assertTrue(is_valid_ipv6_address('1::2:3:4:5:6:7'))
self.assertTrue(is_valid_ipv6_address('::'))
self.assertTrue(is_valid_ipv6_address('::a'))
self.assertTrue(is_valid_ipv6_address('2::'))
def test_validates_incorrect_with_v4mapping(self):
self.assertFalse(is_valid_ipv6_address('::ffff:999.42.16.14'))
self.assertFalse(is_valid_ipv6_address('::ffff:zzzz:0a0a'))
# The ::1.2.3.4 format used to be valid but was deprecated
# in rfc4291 section 2.5.5.1
self.assertTrue(is_valid_ipv6_address('::254.42.16.14'))
self.assertTrue(is_valid_ipv6_address('::0a0a:0a0a'))
self.assertFalse(is_valid_ipv6_address('::999.42.16.14'))
self.assertFalse(is_valid_ipv6_address('::zzzz:0a0a'))
def test_validates_correct_with_v4mapping(self):
self.assertTrue(is_valid_ipv6_address('::ffff:254.42.16.14'))
self.assertTrue(is_valid_ipv6_address('::ffff:0a0a:0a0a'))
def validate_ipv6_address(value):
if not is_valid_ipv6_address(value):
raise ValidationError(_('Enter a valid IPv6 address.'), code='invalid')
