def test_is_valid_ipv6_good_values(self):
f = io.StringIO()
with redirect_stdout(f):
self.assertTrue(V.is_valid_ipv6("2001:1000:2:3:4:5:6:7"))
self.assertTrue(V.is_valid_ipv6("2001:1000::1"))
self.assertTrue(V.is_valid_ipv6("2001:ffff::0000:1"))
self.assertEqual("", f.getvalue())
def test_is_valid_ipv6_dubious_values(self):
for dodgy, message in [
("2001::1", "Teredo address"),
("2001:1::1", "IETF protocol address"),
("2001:16::1", "ORCHID address"),
("2001:23::1", "ORCHIDv2 address"),
("2001:db8::3", "documentation address"),
("2002:123::456:1", "6to4 address"),
("::ffff:192.168.1.11", "mapped IPv4 address"),
]:
f = io.StringIO()
with redirect_stdout(f):
self.assertTrue(V.is_valid_ipv6(dodgy), msg=dodgy)
self.assertEqual(
"*** Warning: {} is a {}\n".format(dodgy, message),
f.getvalue(),
msg=dodgy,
)
def test_is_valid_ipv6_bad_values(self):
for dodgy, message in [
("::", "unspecified address"),
("::1:2:3:4:5:6", "reserved address"),
("0::1", "loopback address"),
("::1", "loopback address"),
("0:1:2::5", "reserved address"),
("64:ff9b:1::0000:1", "reserved address"),
("100:ffff::0000:1", "reserved address"),
("fe80:ffff::0000:1", "link-local address"),
("fc00:ffff::0000:1", "private address"),
("ff01:ffff::0000:1", "multicast address"),
("100::5123:214", "discard address"),
("9212:4f:8000::15:14a9", "reserved address"),
("FEC0::1234:5678:9ABC", "deprecated site-local address"),
]:
f = io.StringIO()
with redirect_stdout(f):
self.assertFalse(V.is_valid_ipv6(dodgy), msg=dodgy)
self.assertEqual(
"*** Error: {} is a {}\n".format(dodgy, message),
f.getvalue(),
msg=dodgy,
)
def test_is_valid_ipv6_multiple_gaps(self):
self.assertFalse(V.is_valid_ipv6("2001:::8"))
self.assertFalse(V.is_valid_ipv6("2001:1:::3:4:5:6::7"))
def test_is_valid_ipv6_reject_ipv4(self):
self.assertFalse(V.is_valid_ipv6("192.168.1.2"))
def test_is_valid_ipv6_too_long(self):
self.assertFalse(V.is_valid_ipv6("2001:1:2:3:4:5:6:7:8"))
self.assertFalse(V.is_valid_ipv6("2001:1:2:3:4:5:6::7:8"))
def test_is_valid_ipv6_too_short(self):
self.assertFalse(V.is_valid_ipv6("2001:1:2:3:4:5:6"))
self.assertFalse(V.is_valid_ipv6("2001:1:2"))
self.assertFalse(V.is_valid_ipv6("2001:1"))
self.assertFalse(V.is_valid_ipv6("2001:"))
def test_is_valid_ipv6_too_large(self):
self.assertFalse(V.is_valid_ipv6("2001:b::10000:0"))
def test_is_valid_ipv6_non_hex(self):
self.assertFalse(V.is_valid_ipv6("2001:b::g:0"))
def test_is_valid_ipv6_empty(self):
self.assertFalse(V.is_valid_ipv6(""))
