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import unittest
from django.utils.ipv6 import clean_ipv6_address, is_valid_ipv6_address
class TestUtilsIPv6(unittest.TestCase):
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_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 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"))
self.assertFalse(is_valid_ipv6_address("fe80::223: 6cff:fe8a:2e8a"))
self.assertFalse(is_valid_ipv6_address("2a02::223:6cff :fe8a:2e8a"))
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 RFC 4291 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_cleans_plain_address(self):
self.assertEqual(clean_ipv6_address("DEAD::0:BEEF"), "dead::beef")
self.assertEqual(
clean_ipv6_address("2001:000:a:0000:0:fe:fe:beef"), "2001:0:a::fe:fe:beef"
)
self.assertEqual(
clean_ipv6_address("2001::a:0000:0:fe:fe:beef"), "2001:0:a::fe:fe:beef"
)
def test_cleans_with_v4_mapping(self):
self.assertEqual(clean_ipv6_address("::ffff:0a0a:0a0a"), "::ffff:10.10.10.10")
self.assertEqual(clean_ipv6_address("::ffff:1234:1234"), "::ffff:18.52.18.52")
self.assertEqual(clean_ipv6_address("::ffff:18.52.18.52"), "::ffff:18.52.18.52")
self.assertEqual(clean_ipv6_address("::ffff:0.52.18.52"), "::ffff:0.52.18.52")
self.assertEqual(clean_ipv6_address("::ffff:0.0.0.0"), "::ffff:0.0.0.0")
def test_unpacks_ipv4(self):
self.assertEqual(
clean_ipv6_address("::ffff:0a0a:0a0a", unpack_ipv4=True), "10.10.10.10"
)
self.assertEqual(
clean_ipv6_address("::ffff:1234:1234", unpack_ipv4=True), "18.52.18.52"
)
self.assertEqual(
clean_ipv6_address("::ffff:18.52.18.52", unpack_ipv4=True), "18.52.18.52"
)
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