# Copyright 2007 Google Inc. # Licensed to PSF under a Contributor Agreement. """Unittest for ipaddress module.""" import unittest import re import contextlib import ipaddress class BaseTestCase(unittest.TestCase): # One big change in ipaddress over the original ipaddr module is # error reporting that tries to assume users *don't know the rules* # for what constitutes an RFC compliant IP address # Ensuring these errors are emitted correctly in all relevant cases # meant moving to a more systematic test structure that allows the # test structure to map more directly to the module structure # Note that if the constructors are refactored so that addresses with # multiple problems get classified differently, that's OK - just # move the affected examples to the newly appropriate test case. # There is some duplication between the original relatively ad hoc # test suite and the new systematic tests. While some redundancy in # testing is considered preferable to accidentally deleting a valid # test, the original test suite will likely be reduced over time as # redundant tests are identified. @property def factory(self): raise NotImplementedError @contextlib.contextmanager def assertCleanError(self, exc_type, details, *args): """ Ensure exception does not display a context by default Wraps unittest.TestCase.assertRaisesRegex """ if args: details = details % args cm = self.assertRaisesRegex(exc_type, details) with cm as exc: yield exc # Ensure we produce clean tracebacks on failure if exc.exception.__context__ is not None: self.assertTrue(exc.exception.__suppress_context__) def assertAddressError(self, details, *args): """Ensure a clean AddressValueError""" return self.assertCleanError(ipaddress.AddressValueError, details, *args) def assertNetmaskError(self, details, *args): """Ensure a clean NetmaskValueError""" return self.assertCleanError(ipaddress.NetmaskValueError, details, *args) def assertInstancesEqual(self, lhs, rhs): """Check constructor arguments produce equivalent instances""" self.assertEqual(self.factory(lhs), self.factory(rhs)) class CommonTestMixin: def test_empty_address(self): with self.assertAddressError("Address cannot be empty"): self.factory("") def test_floats_rejected(self): with self.assertAddressError(re.escape(repr("1.0"))): self.factory(1.0) class CommonTestMixin_v4(CommonTestMixin): def test_leading_zeros(self): self.assertInstancesEqual("000.000.000.000", "0.0.0.0") self.assertInstancesEqual("192.168.000.001", "192.168.0.1") def test_int(self): self.assertInstancesEqual(0, "0.0.0.0") self.assertInstancesEqual(3232235521, "192.168.0.1") def test_packed(self): self.assertInstancesEqual(bytes.fromhex("00000000"), "0.0.0.0") self.assertInstancesEqual(bytes.fromhex("c0a80001"), "192.168.0.1") def test_negative_ints_rejected(self): msg = "-1 (< 0) is not permitted as an IPv4 address" with self.assertAddressError(re.escape(msg)): self.factory(-1) def test_large_ints_rejected(self): msg = "%d (>= 2**32) is not permitted as an IPv4 address" with self.assertAddressError(re.escape(msg % 2**32)): self.factory(2**32) def test_bad_packed_length(self): def assertBadLength(length): addr = bytes(length) msg = "%r (len %d != 4) is not permitted as an IPv4 address" with self.assertAddressError(re.escape(msg % (addr, length))): self.factory(addr) assertBadLength(3) assertBadLength(5) class CommonTestMixin_v6(CommonTestMixin): def test_leading_zeros(self): self.assertInstancesEqual("0000::0000", "::") self.assertInstancesEqual("000::c0a8:0001", "::c0a8:1") def test_int(self): self.assertInstancesEqual(0, "::") self.assertInstancesEqual(3232235521, "::c0a8:1") def test_packed(self): addr = bytes(12) + bytes.fromhex("00000000") self.assertInstancesEqual(addr, "::") addr = bytes(12) + bytes.fromhex("c0a80001") self.assertInstancesEqual(addr, "::c0a8:1") addr = bytes.fromhex("c0a80001") + bytes(12) self.assertInstancesEqual(addr, "c0a8:1::") def test_negative_ints_rejected(self): msg = "-1 (< 0) is not permitted as an IPv6 address" with self.assertAddressError(re.escape(msg)): self.factory(-1) def test_large_ints_rejected(self): msg = "%d (>= 2**128) is not permitted as an IPv6 address" with self.assertAddressError(re.escape(msg % 2**128)): self.factory(2**128) def test_bad_packed_length(self): def assertBadLength(length): addr = bytes(length) msg = "%r (len %d != 16) is not permitted as an IPv6 address" with self.assertAddressError(re.escape(msg % (addr, length))): self.factory(addr) self.factory(addr) assertBadLength(15) assertBadLength(17) class AddressTestCase_v4(BaseTestCase, CommonTestMixin_v4): factory = ipaddress.IPv4Address def test_network_passed_as_address(self): addr = "127.0.0.1/24" with self.assertAddressError("Unexpected '/' in %r", addr): ipaddress.IPv4Address(addr) def test_bad_address_split(self): def assertBadSplit(addr): with self.assertAddressError("Expected 4 octets in %r", addr): ipaddress.IPv4Address(addr) assertBadSplit("127.0.1") assertBadSplit("42.42.42.42.42") assertBadSplit("42.42.42") assertBadSplit("42.42") assertBadSplit("42") assertBadSplit("42..42.42.42") assertBadSplit("42.42.42.42.") assertBadSplit("42.42.42.42...") assertBadSplit(".42.42.42.42") assertBadSplit("...42.42.42.42") assertBadSplit("016.016.016") assertBadSplit("016.016") assertBadSplit("016") assertBadSplit("000") assertBadSplit("0x0a.0x0a.0x0a") assertBadSplit("0x0a.0x0a") assertBadSplit("0x0a") assertBadSplit(".") assertBadSplit("bogus") assertBadSplit("bogus.com") assertBadSplit("1000") assertBadSplit("1000000000000000") assertBadSplit("192.168.0.1.com") def test_empty_octet(self): def assertBadOctet(addr): with self.assertAddressError("Empty octet not permitted in %r", addr): ipaddress.IPv4Address(addr) assertBadOctet("42..42.42") assertBadOctet("...") def test_invalid_characters(self): def assertBadOctet(addr, octet): msg = "Only decimal digits permitted in %r in %r" % (octet, addr) with self.assertAddressError(re.escape(msg)): ipaddress.IPv4Address(addr) assertBadOctet("0x0a.0x0a.0x0a.0x0a", "0x0a") assertBadOctet("0xa.0x0a.0x0a.0x0a", "0xa") assertBadOctet("42.42.42.-0", "-0") assertBadOctet("42.42.42.+0", "+0") assertBadOctet("42.42.42.-42", "-42") assertBadOctet("+1.+2.+3.4", "+1") assertBadOctet("1.2.3.4e0", "4e0") assertBadOctet("1.2.3.4::", "4::") assertBadOctet("1.a.2.3", "a") def test_octal_decimal_ambiguity(self): def assertBadOctet(addr, octet): msg = "Ambiguous (octal/decimal) value in %r not permitted in %r" with self.assertAddressError(re.escape(msg % (octet, addr))): ipaddress.IPv4Address(addr) assertBadOctet("016.016.016.016", "016") assertBadOctet("001.000.008.016", "008") def test_octet_length(self): def assertBadOctet(addr, octet): msg = "At most 3 characters permitted in %r in %r" with self.assertAddressError(re.escape(msg % (octet, addr))): ipaddress.IPv4Address(addr) assertBadOctet("0000.000.000.000", "0000") assertBadOctet("12345.67899.-54321.-98765", "12345") def test_octet_limit(self): def assertBadOctet(addr, octet): msg = "Octet %d (> 255) not permitted in %r" % (octet, addr) with self.assertAddressError(re.escape(msg)): ipaddress.IPv4Address(addr) assertBadOctet("257.0.0.0", 257) assertBadOctet("192.168.0.999", 999) class AddressTestCase_v6(BaseTestCase, CommonTestMixin_v6): factory = ipaddress.IPv6Address def test_network_passed_as_address(self): addr = "::1/24" with self.assertAddressError("Unexpected '/' in %r", addr): ipaddress.IPv6Address(addr) def test_bad_address_split_v6_not_enough_parts(self): def assertBadSplit(addr): msg = "At least 3 parts expected in %r" with self.assertAddressError(msg, addr): ipaddress.IPv6Address(addr) assertBadSplit(":") assertBadSplit(":1") assertBadSplit("FEDC:9878") def test_bad_address_split_v6_too_many_colons(self): def assertBadSplit(addr): msg = "At most 8 colons permitted in %r" with self.assertAddressError(msg, addr): ipaddress.IPv6Address(addr) assertBadSplit("9:8:7:6:5:4:3::2:1") assertBadSplit("10:9:8:7:6:5:4:3:2:1") assertBadSplit("::8:7:6:5:4:3:2:1") assertBadSplit("8:7:6:5:4:3:2:1::") # A trailing IPv4 address is two parts assertBadSplit("10:9:8:7:6:5:4:3:42.42.42.42") def test_bad_address_split_v6_too_many_parts(self): def assertBadSplit(addr): msg = "Exactly 8 parts expected without '::' in %r" with self.assertAddressError(msg, addr): ipaddress.IPv6Address(addr) assertBadSplit("3ffe:0:0:0:0:0:0:0:1") assertBadSplit("9:8:7:6:5:4:3:2:1") assertBadSplit("7:6:5:4:3:2:1") # A trailing IPv4 address is two parts assertBadSplit("9:8:7:6:5:4:3:42.42.42.42") assertBadSplit("7:6:5:4:3:42.42.42.42") def test_bad_address_split_v6_too_many_parts_with_double_colon(self): def assertBadSplit(addr): msg = "Expected at most 7 other parts with '::' in %r" with self.assertAddressError(msg, addr): ipaddress.IPv6Address(addr) assertBadSplit("1:2:3:4::5:6:7:8") def test_bad_address_split_v6_repeated_double_colon(self): def assertBadSplit(addr): msg = "At most one '::' permitted in %r" with self.assertAddressError(msg, addr): ipaddress.IPv6Address(addr) assertBadSplit("3ffe::1::1") assertBadSplit("1::2::3::4:5") assertBadSplit("2001::db:::1") assertBadSplit("3ffe::1::") assertBadSplit("::3ffe::1") assertBadSplit(":3ffe::1::1") assertBadSplit("3ffe::1::1:") assertBadSplit(":3ffe::1::1:") assertBadSplit(":::") assertBadSplit('2001:db8:::1') def test_bad_address_split_v6_leading_colon(self): def assertBadSplit(addr): msg = "Leading ':' only permitted as part of '::' in %r" with self.assertAddressError(msg, addr): ipaddress.IPv6Address(addr) assertBadSplit(":2001:db8::1") assertBadSplit(":1:2:3:4:5:6:7") assertBadSplit(":1:2:3:4:5:6:") assertBadSplit(":6:5:4:3:2:1::") def test_bad_address_split_v6_trailing_colon(self): def assertBadSplit(addr): msg = "Trailing ':' only permitted as part of '::' in %r" with self.assertAddressError(msg, addr): ipaddress.IPv6Address(addr) assertBadSplit("2001:db8::1:") assertBadSplit("1:2:3:4:5:6:7:") assertBadSplit("::1.2.3.4:") assertBadSplit("::7:6:5:4:3:2:") def test_bad_v4_part_in(self): def assertBadAddressPart(addr, v4_error): with self.assertAddressError("%s in %r", v4_error, addr): ipaddress.IPv6Address(addr) assertBadAddressPart("3ffe::1.net", "Expected 4 octets in '1.net'") assertBadAddressPart("3ffe::127.0.1", "Expected 4 octets in '127.0.1'") assertBadAddressPart("::1.2.3", "Expected 4 octets in '1.2.3'") assertBadAddressPart("::1.2.3.4.5", "Expected 4 octets in '1.2.3.4.5'") assertBadAddressPart("3ffe::1.1.1.net", "Only decimal digits permitted in 'net' " "in '1.1.1.net'") def test_invalid_characters(self): def assertBadPart(addr, part): msg = "Only hex digits permitted in %r in %r" % (part, addr) with self.assertAddressError(re.escape(msg)): ipaddress.IPv6Address(addr) assertBadPart("3ffe::goog", "goog") assertBadPart("3ffe::-0", "-0") assertBadPart("3ffe::+0", "+0") assertBadPart("3ffe::-1", "-1") assertBadPart("1.2.3.4::", "1.2.3.4") assertBadPart('1234:axy::b', "axy") def test_part_length(self): def assertBadPart(addr, part): msg = "At most 4 characters permitted in %r in %r" with self.assertAddressError(msg, part, addr): ipaddress.IPv6Address(addr) assertBadPart("::00000", "00000") assertBadPart("3ffe::10000", "10000") assertBadPart("02001:db8::", "02001") assertBadPart('2001:888888::1', "888888") class NetmaskTestMixin_v4(CommonTestMixin_v4): """Input validation on interfaces and networks is very similar""" def test_split_netmask(self): addr = "1.2.3.4/32/24" with self.assertAddressError("Only one '/' permitted in %r" % addr): self.factory(addr) def test_address_errors(self): def assertBadAddress(addr, details): with self.assertAddressError(details): self.factory(addr) assertBadAddress("/", "Address cannot be empty") assertBadAddress("/8", "Address cannot be empty") assertBadAddress("bogus", "Expected 4 octets") assertBadAddress("google.com", "Expected 4 octets") assertBadAddress("10/8", "Expected 4 octets") assertBadAddress("::1.2.3.4", "Only decimal digits") assertBadAddress("1.2.3.256", re.escape("256 (> 255)")) def test_netmask_errors(self): def assertBadNetmask(addr, netmask): msg = "%r is not a valid netmask" with self.assertNetmaskError(msg % netmask): self.factory("%s/%s" % (addr, netmask)) assertBadNetmask("1.2.3.4", "") assertBadNetmask("1.2.3.4", "33") assertBadNetmask("1.2.3.4", "254.254.255.256") assertBadNetmask("1.1.1.1", "254.xyz.2.3") assertBadNetmask("1.1.1.1", "240.255.0.0") assertBadNetmask("1.1.1.1", "pudding") class InterfaceTestCase_v4(BaseTestCase, NetmaskTestMixin_v4): factory = ipaddress.IPv4Interface class NetworkTestCase_v4(BaseTestCase, NetmaskTestMixin_v4): factory = ipaddress.IPv4Network class NetmaskTestMixin_v6(CommonTestMixin_v6): """Input validation on interfaces and networks is very similar""" def test_split_netmask(self): addr = "cafe:cafe::/128/190" with self.assertAddressError("Only one '/' permitted in %r" % addr): self.factory(addr) def test_address_errors(self): def assertBadAddress(addr, details): with self.assertAddressError(details): self.factory(addr) assertBadAddress("/", "Address cannot be empty") assertBadAddress("/8", "Address cannot be empty") assertBadAddress("google.com", "At least 3 parts") assertBadAddress("1.2.3.4", "At least 3 parts") assertBadAddress("10/8", "At least 3 parts") assertBadAddress("1234:axy::b", "Only hex digits") def test_netmask_errors(self): def assertBadNetmask(addr, netmask): msg = "%r is not a valid netmask" with self.assertNetmaskError(msg % netmask): self.factory("%s/%s" % (addr, netmask)) assertBadNetmask("::1", "") assertBadNetmask("::1", "::1") assertBadNetmask("::1", "1::") assertBadNetmask("::1", "129") assertBadNetmask("::1", "pudding") class InterfaceTestCase_v6(BaseTestCase, NetmaskTestMixin_v6): factory = ipaddress.IPv6Interface class NetworkTestCase_v6(BaseTestCase, NetmaskTestMixin_v6): factory = ipaddress.IPv6Network class FactoryFunctionErrors(BaseTestCase): def assertFactoryError(self, factory, kind): """Ensure a clean ValueError with the expected message""" addr = "camelot" msg = '%r does not appear to be an IPv4 or IPv6 %s' with self.assertCleanError(ValueError, msg, addr, kind): factory(addr) def test_ip_address(self): self.assertFactoryError(ipaddress.ip_address, "address") def test_ip_interface(self): self.assertFactoryError(ipaddress.ip_interface, "interface") def test_ip_network(self): self.assertFactoryError(ipaddress.ip_network, "network") class ComparisonTests(unittest.TestCase): v4addr = ipaddress.IPv4Address(1) v4net = ipaddress.IPv4Network(1) v4intf = ipaddress.IPv4Interface(1) v6addr = ipaddress.IPv6Address(1) v6net = ipaddress.IPv6Network(1) v6intf = ipaddress.IPv6Interface(1) v4_addresses = [v4addr, v4intf] v4_objects = v4_addresses + [v4net] v6_addresses = [v6addr, v6intf] v6_objects = v6_addresses + [v6net] objects = v4_objects + v6_objects def test_foreign_type_equality(self): # __eq__ should never raise TypeError directly other = object() for obj in self.objects: self.assertNotEqual(obj, other) self.assertFalse(obj == other) self.assertEqual(obj.__eq__(other), NotImplemented) self.assertEqual(obj.__ne__(other), NotImplemented) def test_mixed_type_equality(self): # Ensure none of the internal objects accidentally # expose the right set of attributes to become "equal" for lhs in self.objects: for rhs in self.objects: if lhs is rhs: continue self.assertNotEqual(lhs, rhs) def test_containment(self): for obj in self.v4_addresses: self.assertIn(obj, self.v4net) for obj in self.v6_addresses: self.assertIn(obj, self.v6net) for obj in self.v4_objects + [self.v6net]: self.assertNotIn(obj, self.v6net) for obj in self.v6_objects + [self.v4net]: self.assertNotIn(obj, self.v4net) def test_mixed_type_ordering(self): for lhs in self.objects: for rhs in self.objects: if isinstance(lhs, type(rhs)) or isinstance(rhs, type(lhs)): continue self.assertRaises(TypeError, lambda: lhs < rhs) self.assertRaises(TypeError, lambda: lhs > rhs) self.assertRaises(TypeError, lambda: lhs <= rhs) self.assertRaises(TypeError, lambda: lhs >= rhs) def test_mixed_type_key(self): # with get_mixed_type_key, you can sort addresses and network. v4_ordered = [self.v4addr, self.v4net, self.v4intf] v6_ordered = [self.v6addr, self.v6net, self.v6intf] self.assertEqual(v4_ordered, sorted(self.v4_objects, key=ipaddress.get_mixed_type_key)) self.assertEqual(v6_ordered, sorted(self.v6_objects, key=ipaddress.get_mixed_type_key)) self.assertEqual(v4_ordered + v6_ordered, sorted(self.objects, key=ipaddress.get_mixed_type_key)) self.assertEqual(NotImplemented, ipaddress.get_mixed_type_key(object)) def test_incompatible_versions(self): # These should always raise TypeError v4addr = ipaddress.ip_address('1.1.1.1') v4net = ipaddress.ip_network('1.1.1.1') v6addr = ipaddress.ip_address('::1') v6net = ipaddress.ip_address('::1') self.assertRaises(TypeError, v4addr.__lt__, v6addr) self.assertRaises(TypeError, v4addr.__gt__, v6addr) self.assertRaises(TypeError, v4net.__lt__, v6net) self.assertRaises(TypeError, v4net.__gt__, v6net) self.assertRaises(TypeError, v6addr.__lt__, v4addr) self.assertRaises(TypeError, v6addr.__gt__, v4addr) self.assertRaises(TypeError, v6net.__lt__, v4net) self.assertRaises(TypeError, v6net.__gt__, v4net) class IpaddrUnitTest(unittest.TestCase): def setUp(self): self.ipv4_address = ipaddress.IPv4Address('1.2.3.4') self.ipv4_interface = ipaddress.IPv4Interface('1.2.3.4/24') self.ipv4_network = ipaddress.IPv4Network('1.2.3.0/24') #self.ipv4_hostmask = ipaddress.IPv4Interface('10.0.0.1/0.255.255.255') self.ipv6_address = ipaddress.IPv6Interface( '2001:658:22a:cafe:200:0:0:1') self.ipv6_interface = ipaddress.IPv6Interface( '2001:658:22a:cafe:200:0:0:1/64') self.ipv6_network = ipaddress.IPv6Network('2001:658:22a:cafe::/64') def testRepr(self): self.assertEqual("IPv4Interface('1.2.3.4/32')", repr(ipaddress.IPv4Interface('1.2.3.4'))) self.assertEqual("IPv6Interface('::1/128')", repr(ipaddress.IPv6Interface('::1'))) # issue57 def testAddressIntMath(self): self.assertEqual(ipaddress.IPv4Address('1.1.1.1') + 255, ipaddress.IPv4Address('1.1.2.0')) self.assertEqual(ipaddress.IPv4Address('1.1.1.1') - 256, ipaddress.IPv4Address('1.1.0.1')) self.assertEqual(ipaddress.IPv6Address('::1') + (2**16 - 2), ipaddress.IPv6Address('::ffff')) self.assertEqual(ipaddress.IPv6Address('::ffff') - (2**16 - 2), ipaddress.IPv6Address('::1')) def testInvalidIntToBytes(self): self.assertRaises(ValueError, ipaddress.v4_int_to_packed, -1) self.assertRaises(ValueError, ipaddress.v4_int_to_packed, 2 ** ipaddress.IPV4LENGTH) self.assertRaises(ValueError, ipaddress.v6_int_to_packed, -1) self.assertRaises(ValueError, ipaddress.v6_int_to_packed, 2 ** ipaddress.IPV6LENGTH) def testInternals(self): first, last = ipaddress._find_address_range([ ipaddress.IPv4Address('10.10.10.10'), ipaddress.IPv4Address('10.10.10.12')]) self.assertEqual(first, last) self.assertEqual(128, ipaddress._count_righthand_zero_bits(0, 128)) self.assertEqual("IPv4Network('1.2.3.0/24')", repr(self.ipv4_network)) self.assertEqual('0x1020318', hex(self.ipv4_network)) def testMissingAddressVersion(self): class Broken(ipaddress._BaseAddress): pass broken = Broken('127.0.0.1') with self.assertRaisesRegex(NotImplementedError, "Broken.*version"): broken.version def testMissingNetworkVersion(self): class Broken(ipaddress._BaseNetwork): pass broken = Broken('127.0.0.1') with self.assertRaisesRegex(NotImplementedError, "Broken.*version"): broken.version def testMissingAddressClass(self): class Broken(ipaddress._BaseNetwork): pass broken = Broken('127.0.0.1') with self.assertRaisesRegex(NotImplementedError, "Broken.*address"): broken._address_class def testGetNetwork(self): self.assertEqual(int(self.ipv4_network.network_address), 16909056) self.assertEqual(str(self.ipv4_network.network_address), '1.2.3.0') self.assertEqual(int(self.ipv6_network.network_address), 42540616829182469433403647294022090752) self.assertEqual(str(self.ipv6_network.network_address), '2001:658:22a:cafe::') self.assertEqual(str(self.ipv6_network.hostmask), '::ffff:ffff:ffff:ffff') def testIpFromInt(self): self.assertEqual(self.ipv4_interface._ip, ipaddress.IPv4Interface(16909060)._ip) ipv4 = ipaddress.ip_network('1.2.3.4') ipv6 = ipaddress.ip_network('2001:658:22a:cafe:200:0:0:1') self.assertEqual(ipv4, ipaddress.ip_network(int(ipv4))) self.assertEqual(ipv6, ipaddress.ip_network(int(ipv6))) v6_int = 42540616829182469433547762482097946625 self.assertEqual(self.ipv6_interface._ip, ipaddress.IPv6Interface(v6_int)._ip) self.assertEqual(ipaddress.ip_network(self.ipv4_address._ip).version, 4) self.assertEqual(ipaddress.ip_network(self.ipv6_address._ip).version, 6) def testIpFromPacked(self): address = ipaddress.ip_address self.assertEqual(self.ipv4_interface._ip, ipaddress.ip_interface(b'\x01\x02\x03\x04')._ip) self.assertEqual(address('255.254.253.252'), address(b'\xff\xfe\xfd\xfc')) self.assertEqual(self.ipv6_interface.ip, ipaddress.ip_interface( b'\x20\x01\x06\x58\x02\x2a\xca\xfe' b'\x02\x00\x00\x00\x00\x00\x00\x01').ip) self.assertEqual(address('ffff:2:3:4:ffff::'), address(b'\xff\xff\x00\x02\x00\x03\x00\x04' + b'\xff\xff' + b'\x00' * 6)) self.assertEqual(address('::'), address(b'\x00' * 16)) def testGetIp(self): self.assertEqual(int(self.ipv4_interface.ip), 16909060) self.assertEqual(str(self.ipv4_interface.ip), '1.2.3.4') self.assertEqual(int(self.ipv6_interface.ip), 42540616829182469433547762482097946625) self.assertEqual(str(self.ipv6_interface.ip), '2001:658:22a:cafe:200::1') def testGetNetmask(self): self.assertEqual(int(self.ipv4_network.netmask), 4294967040) self.assertEqual(str(self.ipv4_network.netmask), '255.255.255.0') self.assertEqual(int(self.ipv6_network.netmask), 340282366920938463444927863358058659840) self.assertEqual(self.ipv6_network.prefixlen, 64) def testZeroNetmask(self): ipv4_zero_netmask = ipaddress.IPv4Interface('1.2.3.4/0') self.assertEqual(int(ipv4_zero_netmask.network.netmask), 0) self.assertTrue(ipv4_zero_netmask.network._is_valid_netmask( str(0))) self.assertTrue(ipv4_zero_netmask._is_valid_netmask('0')) self.assertTrue(ipv4_zero_netmask._is_valid_netmask('0.0.0.0')) self.assertFalse(ipv4_zero_netmask._is_valid_netmask('invalid')) ipv6_zero_netmask = ipaddress.IPv6Interface('::1/0') self.assertEqual(int(ipv6_zero_netmask.network.netmask), 0) self.assertTrue(ipv6_zero_netmask.network._is_valid_netmask( str(0))) def testIPv4NetAndHostmasks(self): net = self.ipv4_network self.assertFalse(net._is_valid_netmask('invalid')) self.assertTrue(net._is_valid_netmask('128.128.128.128')) self.assertFalse(net._is_valid_netmask('128.128.128.127')) self.assertFalse(net._is_valid_netmask('128.128.128.255')) self.assertTrue(net._is_valid_netmask('255.128.128.128')) self.assertFalse(net._is_hostmask('invalid')) self.assertTrue(net._is_hostmask('128.255.255.255')) self.assertFalse(net._is_hostmask('255.255.255.255')) self.assertFalse(net._is_hostmask('1.2.3.4')) net = ipaddress.IPv4Network('127.0.0.0/0.0.0.255') self.assertEqual(24, net.prefixlen) def testGetBroadcast(self): self.assertEqual(int(self.ipv4_network.broadcast_address), 16909311) self.assertEqual(str(self.ipv4_network.broadcast_address), '1.2.3.255') self.assertEqual(int(self.ipv6_network.broadcast_address), 42540616829182469451850391367731642367) self.assertEqual(str(self.ipv6_network.broadcast_address), '2001:658:22a:cafe:ffff:ffff:ffff:ffff') def testGetPrefixlen(self): self.assertEqual(self.ipv4_interface.prefixlen, 24) self.assertEqual(self.ipv6_interface.prefixlen, 64) def testGetSupernet(self): self.assertEqual(self.ipv4_network.supernet().prefixlen, 23) self.assertEqual(str(self.ipv4_network.supernet().network_address), '1.2.2.0') self.assertEqual( ipaddress.IPv4Interface('0.0.0.0/0').network.supernet(), ipaddress.IPv4Network('0.0.0.0/0')) self.assertEqual(self.ipv6_network.supernet().prefixlen, 63) self.assertEqual(str(self.ipv6_network.supernet().network_address), '2001:658:22a:cafe::') self.assertEqual(ipaddress.IPv6Interface('::0/0').network.supernet(), ipaddress.IPv6Network('::0/0')) def testGetSupernet3(self): self.assertEqual(self.ipv4_network.supernet(3).prefixlen, 21) self.assertEqual(str(self.ipv4_network.supernet(3).network_address), '1.2.0.0') self.assertEqual(self.ipv6_network.supernet(3).prefixlen, 61) self.assertEqual(str(self.ipv6_network.supernet(3).network_address), '2001:658:22a:caf8::') def testGetSupernet4(self): self.assertRaises(ValueError, self.ipv4_network.supernet, prefixlen_diff=2, new_prefix=1) self.assertRaises(ValueError, self.ipv4_network.supernet, new_prefix=25) self.assertEqual(self.ipv4_network.supernet(prefixlen_diff=2), self.ipv4_network.supernet(new_prefix=22)) self.assertRaises(ValueError, self.ipv6_network.supernet, prefixlen_diff=2, new_prefix=1) self.assertRaises(ValueError, self.ipv6_network.supernet, new_prefix=65) self.assertEqual(self.ipv6_network.supernet(prefixlen_diff=2), self.ipv6_network.supernet(new_prefix=62)) def testHosts(self): hosts = list(self.ipv4_network.hosts()) self.assertEqual(254, len(hosts)) self.assertEqual(ipaddress.IPv4Address('1.2.3.1'), hosts[0]) self.assertEqual(ipaddress.IPv4Address('1.2.3.254'), hosts[-1]) # special case where only 1 bit is left for address self.assertEqual([ipaddress.IPv4Address('2.0.0.0'), ipaddress.IPv4Address('2.0.0.1')], list(ipaddress.ip_network('2.0.0.0/31').hosts())) def testFancySubnetting(self): self.assertEqual(sorted(self.ipv4_network.subnets(prefixlen_diff=3)), sorted(self.ipv4_network.subnets(new_prefix=27))) self.assertRaises(ValueError, list, self.ipv4_network.subnets(new_prefix=23)) self.assertRaises(ValueError, list, self.ipv4_network.subnets(prefixlen_diff=3, new_prefix=27)) self.assertEqual(sorted(self.ipv6_network.subnets(prefixlen_diff=4)), sorted(self.ipv6_network.subnets(new_prefix=68))) self.assertRaises(ValueError, list, self.ipv6_network.subnets(new_prefix=63)) self.assertRaises(ValueError, list, self.ipv6_network.subnets(prefixlen_diff=4, new_prefix=68)) def testGetSubnets(self): self.assertEqual(list(self.ipv4_network.subnets())[0].prefixlen, 25) self.assertEqual(str(list( self.ipv4_network.subnets())[0].network_address), '1.2.3.0') self.assertEqual(str(list( self.ipv4_network.subnets())[1].network_address), '1.2.3.128') self.assertEqual(list(self.ipv6_network.subnets())[0].prefixlen, 65) def testGetSubnetForSingle32(self): ip = ipaddress.IPv4Network('1.2.3.4/32') subnets1 = [str(x) for x in ip.subnets()] subnets2 = [str(x) for x in ip.subnets(2)] self.assertEqual(subnets1, ['1.2.3.4/32']) self.assertEqual(subnets1, subnets2) def testGetSubnetForSingle128(self): ip = ipaddress.IPv6Network('::1/128') subnets1 = [str(x) for x in ip.subnets()] subnets2 = [str(x) for x in ip.subnets(2)] self.assertEqual(subnets1, ['::1/128']) self.assertEqual(subnets1, subnets2) def testSubnet2(self): ips = [str(x) for x in self.ipv4_network.subnets(2)] self.assertEqual( ips, ['1.2.3.0/26', '1.2.3.64/26', '1.2.3.128/26', '1.2.3.192/26']) ipsv6 = [str(x) for x in self.ipv6_network.subnets(2)] self.assertEqual( ipsv6, ['2001:658:22a:cafe::/66', '2001:658:22a:cafe:4000::/66', '2001:658:22a:cafe:8000::/66', '2001:658:22a:cafe:c000::/66']) def testSubnetFailsForLargeCidrDiff(self): self.assertRaises(ValueError, list, self.ipv4_interface.network.subnets(9)) self.assertRaises(ValueError, list, self.ipv4_network.subnets(9)) self.assertRaises(ValueError, list, self.ipv6_interface.network.subnets(65)) self.assertRaises(ValueError, list, self.ipv6_network.subnets(65)) def testSupernetFailsForLargeCidrDiff(self): self.assertRaises(ValueError, self.ipv4_interface.network.supernet, 25) self.assertRaises(ValueError, self.ipv6_interface.network.supernet, 65) def testSubnetFailsForNegativeCidrDiff(self): self.assertRaises(ValueError, list, self.ipv4_interface.network.subnets(-1)) self.assertRaises(ValueError, list, self.ipv4_network.subnets(-1)) self.assertRaises(ValueError, list, self.ipv6_interface.network.subnets(-1)) self.assertRaises(ValueError, list, self.ipv6_network.subnets(-1)) def testGetNum_Addresses(self): self.assertEqual(self.ipv4_network.num_addresses, 256) self.assertEqual(list(self.ipv4_network.subnets())[0].num_addresses, 128) self.assertEqual(self.ipv4_network.supernet().num_addresses, 512) self.assertEqual(self.ipv6_network.num_addresses, 18446744073709551616) self.assertEqual(list(self.ipv6_network.subnets())[0].num_addresses, 9223372036854775808) self.assertEqual(self.ipv6_network.supernet().num_addresses, 36893488147419103232) def testContains(self): self.assertTrue(ipaddress.IPv4Interface('1.2.3.128/25') in self.ipv4_network) self.assertFalse(ipaddress.IPv4Interface('1.2.4.1/24') in self.ipv4_network) # We can test addresses and string as well. addr1 = ipaddress.IPv4Address('1.2.3.37') self.assertTrue(addr1 in self.ipv4_network) # issue 61, bad network comparison on like-ip'd network objects # with identical broadcast addresses. self.assertFalse(ipaddress.IPv4Network('1.1.0.0/16').__contains__( ipaddress.IPv4Network('1.0.0.0/15'))) def testNth(self): self.assertEqual(str(self.ipv4_network[5]), '1.2.3.5') self.assertRaises(IndexError, self.ipv4_network.__getitem__, 256) self.assertEqual(str(self.ipv6_network[5]), '2001:658:22a:cafe::5') def testGetitem(self): # http://code.google.com/p/ipaddr-py/issues/detail?id=15 addr = ipaddress.IPv4Network('172.31.255.128/255.255.255.240') self.assertEqual(28, addr.prefixlen) addr_list = list(addr) self.assertEqual('172.31.255.128', str(addr_list[0])) self.assertEqual('172.31.255.128', str(addr[0])) self.assertEqual('172.31.255.143', str(addr_list[-1])) self.assertEqual('172.31.255.143', str(addr[-1])) self.assertEqual(addr_list[-1], addr[-1]) def testEqual(self): self.assertTrue(self.ipv4_interface == ipaddress.IPv4Interface('1.2.3.4/24')) self.assertFalse(self.ipv4_interface == ipaddress.IPv4Interface('1.2.3.4/23')) self.assertFalse(self.ipv4_interface == ipaddress.IPv6Interface('::1.2.3.4/24')) self.assertFalse(self.ipv4_interface == '') self.assertFalse(self.ipv4_interface == []) self.assertFalse(self.ipv4_interface == 2) self.assertTrue(self.ipv6_interface == ipaddress.IPv6Interface('2001:658:22a:cafe:200::1/64')) self.assertFalse(self.ipv6_interface == ipaddress.IPv6Interface('2001:658:22a:cafe:200::1/63')) self.assertFalse(self.ipv6_interface == ipaddress.IPv4Interface('1.2.3.4/23')) self.assertFalse(self.ipv6_interface == '') self.assertFalse(self.ipv6_interface == []) self.assertFalse(self.ipv6_interface == 2) def testNotEqual(self): self.assertFalse(self.ipv4_interface != ipaddress.IPv4Interface('1.2.3.4/24')) self.assertTrue(self.ipv4_interface != ipaddress.IPv4Interface('1.2.3.4/23')) self.assertTrue(self.ipv4_interface != ipaddress.IPv6Interface('::1.2.3.4/24')) self.assertTrue(self.ipv4_interface != '') self.assertTrue(self.ipv4_interface != []) self.assertTrue(self.ipv4_interface != 2) self.assertTrue(self.ipv4_address != ipaddress.IPv4Address('1.2.3.5')) self.assertTrue(self.ipv4_address != '') self.assertTrue(self.ipv4_address != []) self.assertTrue(self.ipv4_address != 2) self.assertFalse(self.ipv6_interface != ipaddress.IPv6Interface('2001:658:22a:cafe:200::1/64')) self.assertTrue(self.ipv6_interface != ipaddress.IPv6Interface('2001:658:22a:cafe:200::1/63')) self.assertTrue(self.ipv6_interface != ipaddress.IPv4Interface('1.2.3.4/23')) self.assertTrue(self.ipv6_interface != '') self.assertTrue(self.ipv6_interface != []) self.assertTrue(self.ipv6_interface != 2) self.assertTrue(self.ipv6_address != ipaddress.IPv4Address('1.2.3.4')) self.assertTrue(self.ipv6_address != '') self.assertTrue(self.ipv6_address != []) self.assertTrue(self.ipv6_address != 2) def testSlash32Constructor(self): self.assertEqual(str(ipaddress.IPv4Interface( '1.2.3.4/255.255.255.255')), '1.2.3.4/32') def testSlash128Constructor(self): self.assertEqual(str(ipaddress.IPv6Interface('::1/128')), '::1/128') def testSlash0Constructor(self): self.assertEqual(str(ipaddress.IPv4Interface('1.2.3.4/0.0.0.0')), '1.2.3.4/0') def testCollapsing(self): # test only IP addresses including some duplicates ip1 = ipaddress.IPv4Address('1.1.1.0') ip2 = ipaddress.IPv4Address('1.1.1.1') ip3 = ipaddress.IPv4Address('1.1.1.2') ip4 = ipaddress.IPv4Address('1.1.1.3') ip5 = ipaddress.IPv4Address('1.1.1.4') ip6 = ipaddress.IPv4Address('1.1.1.0') # check that addreses are subsumed properly. collapsed = ipaddress.collapse_addresses( [ip1, ip2, ip3, ip4, ip5, ip6]) self.assertEqual(list(collapsed), [ipaddress.IPv4Network('1.1.1.0/30'), ipaddress.IPv4Network('1.1.1.4/32')]) # test a mix of IP addresses and networks including some duplicates ip1 = ipaddress.IPv4Address('1.1.1.0') ip2 = ipaddress.IPv4Address('1.1.1.1') ip3 = ipaddress.IPv4Address('1.1.1.2') ip4 = ipaddress.IPv4Address('1.1.1.3') #ip5 = ipaddress.IPv4Interface('1.1.1.4/30') #ip6 = ipaddress.IPv4Interface('1.1.1.4/30') # check that addreses are subsumed properly. collapsed = ipaddress.collapse_addresses([ip1, ip2, ip3, ip4]) self.assertEqual(list(collapsed), [ipaddress.IPv4Network('1.1.1.0/30')]) # test only IP networks ip1 = ipaddress.IPv4Network('1.1.0.0/24') ip2 = ipaddress.IPv4Network('1.1.1.0/24') ip3 = ipaddress.IPv4Network('1.1.2.0/24') ip4 = ipaddress.IPv4Network('1.1.3.0/24') ip5 = ipaddress.IPv4Network('1.1.4.0/24') # stored in no particular order b/c we want CollapseAddr to call # [].sort ip6 = ipaddress.IPv4Network('1.1.0.0/22') # check that addreses are subsumed properly. collapsed = ipaddress.collapse_addresses([ip1, ip2, ip3, ip4, ip5, ip6]) self.assertEqual(list(collapsed), [ipaddress.IPv4Network('1.1.0.0/22'), ipaddress.IPv4Network('1.1.4.0/24')]) # test that two addresses are supernet'ed properly collapsed = ipaddress.collapse_addresses([ip1, ip2]) self.assertEqual(list(collapsed), [ipaddress.IPv4Network('1.1.0.0/23')]) # test same IP networks ip_same1 = ip_same2 = ipaddress.IPv4Network('1.1.1.1/32') self.assertEqual(list(ipaddress.collapse_addresses( [ip_same1, ip_same2])), [ip_same1]) # test same IP addresses ip_same1 = ip_same2 = ipaddress.IPv4Address('1.1.1.1') self.assertEqual(list(ipaddress.collapse_addresses( [ip_same1, ip_same2])), [ipaddress.ip_network('1.1.1.1/32')]) ip1 = ipaddress.IPv6Network('2001::/100') ip2 = ipaddress.IPv6Network('2001::/120') ip3 = ipaddress.IPv6Network('2001::/96') # test that ipv6 addresses are subsumed properly. collapsed = ipaddress.collapse_addresses([ip1, ip2, ip3]) self.assertEqual(list(collapsed), [ip3]) # the toejam test addr_tuples = [ (ipaddress.ip_address('1.1.1.1'), ipaddress.ip_address('::1')), (ipaddress.IPv4Network('1.1.0.0/24'), ipaddress.IPv6Network('2001::/120')), (ipaddress.IPv4Network('1.1.0.0/32'), ipaddress.IPv6Network('2001::/128')), ] for ip1, ip2 in addr_tuples: self.assertRaises(TypeError, ipaddress.collapse_addresses, [ip1, ip2]) def testSummarizing(self): #ip = ipaddress.ip_address #ipnet = ipaddress.ip_network summarize = ipaddress.summarize_address_range ip1 = ipaddress.ip_address('1.1.1.0') ip2 = ipaddress.ip_address('1.1.1.255') # summarize works only for IPv4 & IPv6 class IPv7Address(ipaddress.IPv6Address): @property def version(self): return 7 ip_invalid1 = IPv7Address('::1') ip_invalid2 = IPv7Address('::1') self.assertRaises(ValueError, list, summarize(ip_invalid1, ip_invalid2)) # test that a summary over ip4 & ip6 fails self.assertRaises(TypeError, list, summarize(ip1, ipaddress.IPv6Address('::1'))) # test a /24 is summarized properly self.assertEqual(list(summarize(ip1, ip2))[0], ipaddress.ip_network('1.1.1.0/24')) # test an IPv4 range that isn't on a network byte boundary ip2 = ipaddress.ip_address('1.1.1.8') self.assertEqual(list(summarize(ip1, ip2)), [ipaddress.ip_network('1.1.1.0/29'), ipaddress.ip_network('1.1.1.8')]) # all! ip1 = ipaddress.IPv4Address(0) ip2 = ipaddress.IPv4Address(ipaddress.IPv4Address._ALL_ONES) self.assertEqual([ipaddress.IPv4Network('0.0.0.0/0')], list(summarize(ip1, ip2))) ip1 = ipaddress.ip_address('1::') ip2 = ipaddress.ip_address('1:ffff:ffff:ffff:ffff:ffff:ffff:ffff') # test a IPv6 is sumamrized properly self.assertEqual(list(summarize(ip1, ip2))[0], ipaddress.ip_network('1::/16')) # test an IPv6 range that isn't on a network byte boundary ip2 = ipaddress.ip_address('2::') self.assertEqual(list(summarize(ip1, ip2)), [ipaddress.ip_network('1::/16'), ipaddress.ip_network('2::/128')]) # test exception raised when first is greater than last self.assertRaises(ValueError, list, summarize(ipaddress.ip_address('1.1.1.0'), ipaddress.ip_address('1.1.0.0'))) # test exception raised when first and last aren't IP addresses self.assertRaises(TypeError, list, summarize(ipaddress.ip_network('1.1.1.0'), ipaddress.ip_network('1.1.0.0'))) self.assertRaises(TypeError, list, summarize(ipaddress.ip_network('1.1.1.0'), ipaddress.ip_network('1.1.0.0'))) # test exception raised when first and last are not same version self.assertRaises(TypeError, list, summarize(ipaddress.ip_address('::'), ipaddress.ip_network('1.1.0.0'))) def testAddressComparison(self): self.assertTrue(ipaddress.ip_address('1.1.1.1') <= ipaddress.ip_address('1.1.1.1')) self.assertTrue(ipaddress.ip_address('1.1.1.1') <= ipaddress.ip_address('1.1.1.2')) self.assertTrue(ipaddress.ip_address('::1') <= ipaddress.ip_address('::1')) self.assertTrue(ipaddress.ip_address('::1') <= ipaddress.ip_address('::2')) def testInterfaceComparison(self): self.assertTrue(ipaddress.ip_interface('1.1.1.1') <= ipaddress.ip_interface('1.1.1.1')) self.assertTrue(ipaddress.ip_interface('1.1.1.1') <= ipaddress.ip_interface('1.1.1.2')) self.assertTrue(ipaddress.ip_interface('::1') <= ipaddress.ip_interface('::1')) self.assertTrue(ipaddress.ip_interface('::1') <= ipaddress.ip_interface('::2')) def testNetworkComparison(self): # ip1 and ip2 have the same network address ip1 = ipaddress.IPv4Network('1.1.1.0/24') ip2 = ipaddress.IPv4Network('1.1.1.0/32') ip3 = ipaddress.IPv4Network('1.1.2.0/24') self.assertTrue(ip1 < ip3) self.assertTrue(ip3 > ip2) self.assertEqual(ip1.compare_networks(ip1), 0) # if addresses are the same, sort by netmask self.assertEqual(ip1.compare_networks(ip2), -1) self.assertEqual(ip2.compare_networks(ip1), 1) self.assertEqual(ip1.compare_networks(ip3), -1) self.assertEqual(ip3.compare_networks(ip1), 1) self.assertTrue(ip1._get_networks_key() < ip3._get_networks_key()) ip1 = ipaddress.IPv6Network('2001:2000::/96') ip2 = ipaddress.IPv6Network('2001:2001::/96') ip3 = ipaddress.IPv6Network('2001:ffff:2000::/96') self.assertTrue(ip1 < ip3) self.assertTrue(ip3 > ip2) self.assertEqual(ip1.compare_networks(ip3), -1) self.assertTrue(ip1._get_networks_key() < ip3._get_networks_key()) # Test comparing different protocols. # Should always raise a TypeError. self.assertRaises(TypeError, self.ipv4_network.compare_networks, self.ipv6_network) ipv6 = ipaddress.IPv6Interface('::/0') ipv4 = ipaddress.IPv4Interface('0.0.0.0/0') self.assertRaises(TypeError, ipv4.__lt__, ipv6) self.assertRaises(TypeError, ipv4.__gt__, ipv6) self.assertRaises(TypeError, ipv6.__lt__, ipv4) self.assertRaises(TypeError, ipv6.__gt__, ipv4) # Regression test for issue 19. ip1 = ipaddress.ip_network('10.1.2.128/25') self.assertFalse(ip1 < ip1) self.assertFalse(ip1 > ip1) ip2 = ipaddress.ip_network('10.1.3.0/24') self.assertTrue(ip1 < ip2) self.assertFalse(ip2 < ip1) self.assertFalse(ip1 > ip2) self.assertTrue(ip2 > ip1) ip3 = ipaddress.ip_network('10.1.3.0/25') self.assertTrue(ip2 < ip3) self.assertFalse(ip3 < ip2) self.assertFalse(ip2 > ip3) self.assertTrue(ip3 > ip2) # Regression test for issue 28. ip1 = ipaddress.ip_network('10.10.10.0/31') ip2 = ipaddress.ip_network('10.10.10.0') ip3 = ipaddress.ip_network('10.10.10.2/31') ip4 = ipaddress.ip_network('10.10.10.2') sorted = [ip1, ip2, ip3, ip4] unsorted = [ip2, ip4, ip1, ip3] unsorted.sort() self.assertEqual(sorted, unsorted) unsorted = [ip4, ip1, ip3, ip2] unsorted.sort() self.assertEqual(sorted, unsorted) self.assertRaises(TypeError, ip1.__lt__, ipaddress.ip_address('10.10.10.0')) self.assertRaises(TypeError, ip2.__lt__, ipaddress.ip_address('10.10.10.0')) # <=, >= self.assertTrue(ipaddress.ip_network('1.1.1.1') <= ipaddress.ip_network('1.1.1.1')) self.assertTrue(ipaddress.ip_network('1.1.1.1') <= ipaddress.ip_network('1.1.1.2')) self.assertFalse(ipaddress.ip_network('1.1.1.2') <= ipaddress.ip_network('1.1.1.1')) self.assertTrue(ipaddress.ip_network('::1') <= ipaddress.ip_network('::1')) self.assertTrue(ipaddress.ip_network('::1') <= ipaddress.ip_network('::2')) self.assertFalse(ipaddress.ip_network('::2') <= ipaddress.ip_network('::1')) def testStrictNetworks(self): self.assertRaises(ValueError, ipaddress.ip_network, '192.168.1.1/24') self.assertRaises(ValueError, ipaddress.ip_network, '::1/120') def testOverlaps(self): other = ipaddress.IPv4Network('1.2.3.0/30') other2 = ipaddress.IPv4Network('1.2.2.0/24') other3 = ipaddress.IPv4Network('1.2.2.64/26') self.assertTrue(self.ipv4_network.overlaps(other)) self.assertFalse(self.ipv4_network.overlaps(other2)) self.assertTrue(other2.overlaps(other3)) def testEmbeddedIpv4(self): ipv4_string = '192.168.0.1' ipv4 = ipaddress.IPv4Interface(ipv4_string) v4compat_ipv6 = ipaddress.IPv6Interface('::%s' % ipv4_string) self.assertEqual(int(v4compat_ipv6.ip), int(ipv4.ip)) v4mapped_ipv6 = ipaddress.IPv6Interface('::ffff:%s' % ipv4_string) self.assertNotEqual(v4mapped_ipv6.ip, ipv4.ip) self.assertRaises(ipaddress.AddressValueError, ipaddress.IPv6Interface, '2001:1.1.1.1:1.1.1.1') # Issue 67: IPv6 with embedded IPv4 address not recognized. def testIPv6AddressTooLarge(self): # RFC4291 2.5.5.2 self.assertEqual(ipaddress.ip_address('::FFFF:192.0.2.1'), ipaddress.ip_address('::FFFF:c000:201')) # RFC4291 2.2 (part 3) x::d.d.d.d self.assertEqual(ipaddress.ip_address('FFFF::192.0.2.1'), ipaddress.ip_address('FFFF::c000:201')) def testIPVersion(self): self.assertEqual(self.ipv4_address.version, 4) self.assertEqual(self.ipv6_address.version, 6) def testMaxPrefixLength(self): self.assertEqual(self.ipv4_interface.max_prefixlen, 32) self.assertEqual(self.ipv6_interface.max_prefixlen, 128) def testPacked(self): self.assertEqual(self.ipv4_address.packed, b'\x01\x02\x03\x04') self.assertEqual(ipaddress.IPv4Interface('255.254.253.252').packed, b'\xff\xfe\xfd\xfc') self.assertEqual(self.ipv6_address.packed, b'\x20\x01\x06\x58\x02\x2a\xca\xfe' b'\x02\x00\x00\x00\x00\x00\x00\x01') self.assertEqual(ipaddress.IPv6Interface('ffff:2:3:4:ffff::').packed, b'\xff\xff\x00\x02\x00\x03\x00\x04\xff\xff' + b'\x00' * 6) self.assertEqual(ipaddress.IPv6Interface('::1:0:0:0:0').packed, b'\x00' * 6 + b'\x00\x01' + b'\x00' * 8) def testIpStrFromPrefixlen(self): ipv4 = ipaddress.IPv4Interface('1.2.3.4/24') self.assertEqual(ipv4._ip_string_from_prefix(), '255.255.255.0') self.assertEqual(ipv4._ip_string_from_prefix(28), '255.255.255.240') def testIpType(self): ipv4net = ipaddress.ip_network('1.2.3.4') ipv4addr = ipaddress.ip_address('1.2.3.4') ipv6net = ipaddress.ip_network('::1.2.3.4') ipv6addr = ipaddress.ip_address('::1.2.3.4') self.assertEqual(ipaddress.IPv4Network, type(ipv4net)) self.assertEqual(ipaddress.IPv4Address, type(ipv4addr)) self.assertEqual(ipaddress.IPv6Network, type(ipv6net)) self.assertEqual(ipaddress.IPv6Address, type(ipv6addr)) def testReservedIpv4(self): # test networks self.assertEqual(True, ipaddress.ip_interface( '224.1.1.1/31').is_multicast) self.assertEqual(False, ipaddress.ip_network('240.0.0.0').is_multicast) self.assertEqual(True, ipaddress.ip_network('240.0.0.0').is_reserved) self.assertEqual(True, ipaddress.ip_interface( '192.168.1.1/17').is_private) self.assertEqual(False, ipaddress.ip_network('192.169.0.0').is_private) self.assertEqual(True, ipaddress.ip_network( '10.255.255.255').is_private) self.assertEqual(False, ipaddress.ip_network('11.0.0.0').is_private) self.assertEqual(False, ipaddress.ip_network('11.0.0.0').is_reserved) self.assertEqual(True, ipaddress.ip_network( '172.31.255.255').is_private) self.assertEqual(False, ipaddress.ip_network('172.32.0.0').is_private) self.assertEqual(True, ipaddress.ip_network('169.254.1.0/24').is_link_local) self.assertEqual(True, ipaddress.ip_interface( '169.254.100.200/24').is_link_local) self.assertEqual(False, ipaddress.ip_interface( '169.255.100.200/24').is_link_local) self.assertEqual(True, ipaddress.ip_network( '127.100.200.254/32').is_loopback) self.assertEqual(True, ipaddress.ip_network( '127.42.0.0/16').is_loopback) self.assertEqual(False, ipaddress.ip_network('128.0.0.0').is_loopback) # test addresses self.assertEqual(True, ipaddress.ip_address('0.0.0.0').is_unspecified) self.assertEqual(True, ipaddress.ip_address('224.1.1.1').is_multicast) self.assertEqual(False, ipaddress.ip_address('240.0.0.0').is_multicast) self.assertEqual(True, ipaddress.ip_address('240.0.0.1').is_reserved) self.assertEqual(False, ipaddress.ip_address('239.255.255.255').is_reserved) self.assertEqual(True, ipaddress.ip_address('192.168.1.1').is_private) self.assertEqual(False, ipaddress.ip_address('192.169.0.0').is_private) self.assertEqual(True, ipaddress.ip_address( '10.255.255.255').is_private) self.assertEqual(False, ipaddress.ip_address('11.0.0.0').is_private) self.assertEqual(True, ipaddress.ip_address( '172.31.255.255').is_private) self.assertEqual(False, ipaddress.ip_address('172.32.0.0').is_private) self.assertEqual(True, ipaddress.ip_address('169.254.100.200').is_link_local) self.assertEqual(False, ipaddress.ip_address('169.255.100.200').is_link_local) self.assertEqual(True, ipaddress.ip_address('127.100.200.254').is_loopback) self.assertEqual(True, ipaddress.ip_address('127.42.0.0').is_loopback) self.assertEqual(False, ipaddress.ip_address('128.0.0.0').is_loopback) self.assertEqual(True, ipaddress.ip_network('0.0.0.0').is_unspecified) def testReservedIpv6(self): self.assertEqual(True, ipaddress.ip_network('ffff::').is_multicast) self.assertEqual(True, ipaddress.ip_network(2**128 - 1).is_multicast) self.assertEqual(True, ipaddress.ip_network('ff00::').is_multicast) self.assertEqual(False, ipaddress.ip_network('fdff::').is_multicast) self.assertEqual(True, ipaddress.ip_network('fecf::').is_site_local) self.assertEqual(True, ipaddress.ip_network( 'feff:ffff:ffff:ffff::').is_site_local) self.assertEqual(False, ipaddress.ip_network( 'fbf:ffff::').is_site_local) self.assertEqual(False, ipaddress.ip_network('ff00::').is_site_local) self.assertEqual(True, ipaddress.ip_network('fc00::').is_private) self.assertEqual(True, ipaddress.ip_network( 'fc00:ffff:ffff:ffff::').is_private) self.assertEqual(False, ipaddress.ip_network('fbff:ffff::').is_private) self.assertEqual(False, ipaddress.ip_network('fe00::').is_private) self.assertEqual(True, ipaddress.ip_network('fea0::').is_link_local) self.assertEqual(True, ipaddress.ip_network( 'febf:ffff::').is_link_local) self.assertEqual(False, ipaddress.ip_network( 'fe7f:ffff::').is_link_local) self.assertEqual(False, ipaddress.ip_network('fec0::').is_link_local) self.assertEqual(True, ipaddress.ip_interface('0:0::0:01').is_loopback) self.assertEqual(False, ipaddress.ip_interface('::1/127').is_loopback) self.assertEqual(False, ipaddress.ip_network('::').is_loopback) self.assertEqual(False, ipaddress.ip_network('::2').is_loopback) self.assertEqual(True, ipaddress.ip_network('0::0').is_unspecified) self.assertEqual(False, ipaddress.ip_network('::1').is_unspecified) self.assertEqual(False, ipaddress.ip_network('::/127').is_unspecified) # test addresses self.assertEqual(True, ipaddress.ip_address('ffff::').is_multicast) self.assertEqual(True, ipaddress.ip_address(2**128 - 1).is_multicast) self.assertEqual(True, ipaddress.ip_address('ff00::').is_multicast) self.assertEqual(False, ipaddress.ip_address('fdff::').is_multicast) self.assertEqual(True, ipaddress.ip_address('fecf::').is_site_local) self.assertEqual(True, ipaddress.ip_address( 'feff:ffff:ffff:ffff::').is_site_local) self.assertEqual(False, ipaddress.ip_address( 'fbf:ffff::').is_site_local) self.assertEqual(False, ipaddress.ip_address('ff00::').is_site_local) self.assertEqual(True, ipaddress.ip_address('fc00::').is_private) self.assertEqual(True, ipaddress.ip_address( 'fc00:ffff:ffff:ffff::').is_private) self.assertEqual(False, ipaddress.ip_address('fbff:ffff::').is_private) self.assertEqual(False, ipaddress.ip_address('fe00::').is_private) self.assertEqual(True, ipaddress.ip_address('fea0::').is_link_local) self.assertEqual(True, ipaddress.ip_address( 'febf:ffff::').is_link_local) self.assertEqual(False, ipaddress.ip_address( 'fe7f:ffff::').is_link_local) self.assertEqual(False, ipaddress.ip_address('fec0::').is_link_local) self.assertEqual(True, ipaddress.ip_address('0:0::0:01').is_loopback) self.assertEqual(True, ipaddress.ip_address('::1').is_loopback) self.assertEqual(False, ipaddress.ip_address('::2').is_loopback) self.assertEqual(True, ipaddress.ip_address('0::0').is_unspecified) self.assertEqual(False, ipaddress.ip_address('::1').is_unspecified) # some generic IETF reserved addresses self.assertEqual(True, ipaddress.ip_address('100::').is_reserved) self.assertEqual(True, ipaddress.ip_network('4000::1/128').is_reserved) def testIpv4Mapped(self): self.assertEqual( ipaddress.ip_address('::ffff:192.168.1.1').ipv4_mapped, ipaddress.ip_address('192.168.1.1')) self.assertEqual(ipaddress.ip_address('::c0a8:101').ipv4_mapped, None) self.assertEqual(ipaddress.ip_address('::ffff:c0a8:101').ipv4_mapped, ipaddress.ip_address('192.168.1.1')) def testAddrExclude(self): addr1 = ipaddress.ip_network('10.1.1.0/24') addr2 = ipaddress.ip_network('10.1.1.0/26') addr3 = ipaddress.ip_network('10.2.1.0/24') addr4 = ipaddress.ip_address('10.1.1.0') addr5 = ipaddress.ip_network('2001:db8::0/32') self.assertEqual(sorted(list(addr1.address_exclude(addr2))), [ipaddress.ip_network('10.1.1.64/26'), ipaddress.ip_network('10.1.1.128/25')]) self.assertRaises(ValueError, list, addr1.address_exclude(addr3)) self.assertRaises(TypeError, list, addr1.address_exclude(addr4)) self.assertRaises(TypeError, list, addr1.address_exclude(addr5)) self.assertEqual(list(addr1.address_exclude(addr1)), []) def testHash(self): self.assertEqual(hash(ipaddress.ip_interface('10.1.1.0/24')), hash(ipaddress.ip_interface('10.1.1.0/24'))) self.assertEqual(hash(ipaddress.ip_network('10.1.1.0/24')), hash(ipaddress.ip_network('10.1.1.0/24'))) self.assertEqual(hash(ipaddress.ip_address('10.1.1.0')), hash(ipaddress.ip_address('10.1.1.0'))) # i70 self.assertEqual(hash(ipaddress.ip_address('1.2.3.4')), hash(ipaddress.ip_address( int(ipaddress.ip_address('1.2.3.4')._ip)))) ip1 = ipaddress.ip_address('10.1.1.0') ip2 = ipaddress.ip_address('1::') dummy = {} dummy[self.ipv4_address] = None dummy[self.ipv6_address] = None dummy[ip1] = None dummy[ip2] = None self.assertTrue(self.ipv4_address in dummy) self.assertTrue(ip2 in dummy) def testIPBases(self): net = self.ipv4_network self.assertEqual('1.2.3.0/24', net.compressed) self.assertEqual( net._ip_int_from_prefix(24), net._ip_int_from_prefix(None)) net = self.ipv6_network self.assertRaises(ValueError, net._string_from_ip_int, 2**128 + 1) self.assertEqual( self.ipv6_address._string_from_ip_int(self.ipv6_address._ip), self.ipv6_address._string_from_ip_int(None)) def testIPv6NetworkHelpers(self): net = self.ipv6_network self.assertEqual('2001:658:22a:cafe::/64', net.with_prefixlen) self.assertEqual('2001:658:22a:cafe::/ffff:ffff:ffff:ffff::', net.with_netmask) self.assertEqual('2001:658:22a:cafe::/::ffff:ffff:ffff:ffff', net.with_hostmask) self.assertEqual('2001:658:22a:cafe::/64', str(net)) def testIPv4NetworkHelpers(self): net = self.ipv4_network self.assertEqual('1.2.3.0/24', net.with_prefixlen) self.assertEqual('1.2.3.0/255.255.255.0', net.with_netmask) self.assertEqual('1.2.3.0/0.0.0.255', net.with_hostmask) self.assertEqual('1.2.3.0/24', str(net)) def testCopyConstructor(self): addr1 = ipaddress.ip_network('10.1.1.0/24') addr2 = ipaddress.ip_network(addr1) addr3 = ipaddress.ip_interface('2001:658:22a:cafe:200::1/64') addr4 = ipaddress.ip_interface(addr3) addr5 = ipaddress.IPv4Address('1.1.1.1') addr6 = ipaddress.IPv6Address('2001:658:22a:cafe:200::1') self.assertEqual(addr1, addr2) self.assertEqual(addr3, addr4) self.assertEqual(addr5, ipaddress.IPv4Address(addr5)) self.assertEqual(addr6, ipaddress.IPv6Address(addr6)) def testCompressIPv6Address(self): test_addresses = { '1:2:3:4:5:6:7:8': '1:2:3:4:5:6:7:8/128', '2001:0:0:4:0:0:0:8': '2001:0:0:4::8/128', '2001:0:0:4:5:6:7:8': '2001::4:5:6:7:8/128', '2001:0:3:4:5:6:7:8': '2001:0:3:4:5:6:7:8/128', '2001:0:3:4:5:6:7:8': '2001:0:3:4:5:6:7:8/128', '0:0:3:0:0:0:0:ffff': '0:0:3::ffff/128', '0:0:0:4:0:0:0:ffff': '::4:0:0:0:ffff/128', '0:0:0:0:5:0:0:ffff': '::5:0:0:ffff/128', '1:0:0:4:0:0:7:8': '1::4:0:0:7:8/128', '0:0:0:0:0:0:0:0': '::/128', '0:0:0:0:0:0:0:0/0': '::/0', '0:0:0:0:0:0:0:1': '::1/128', '2001:0658:022a:cafe:0000:0000:0000:0000/66': '2001:658:22a:cafe::/66', '::1.2.3.4': '::102:304/128', '1:2:3:4:5:ffff:1.2.3.4': '1:2:3:4:5:ffff:102:304/128', '::7:6:5:4:3:2:1': '0:7:6:5:4:3:2:1/128', '::7:6:5:4:3:2:0': '0:7:6:5:4:3:2:0/128', '7:6:5:4:3:2:1::': '7:6:5:4:3:2:1:0/128', '0:6:5:4:3:2:1::': '0:6:5:4:3:2:1:0/128', } for uncompressed, compressed in list(test_addresses.items()): self.assertEqual(compressed, str(ipaddress.IPv6Interface( uncompressed))) def testExplodeShortHandIpStr(self): addr1 = ipaddress.IPv6Interface('2001::1') addr2 = ipaddress.IPv6Address('2001:0:5ef5:79fd:0:59d:a0e5:ba1') addr3 = ipaddress.IPv6Network('2001::/96') addr4 = ipaddress.IPv4Address('192.168.178.1') self.assertEqual('2001:0000:0000:0000:0000:0000:0000:0001/128', addr1.exploded) self.assertEqual('0000:0000:0000:0000:0000:0000:0000:0001/128', ipaddress.IPv6Interface('::1/128').exploded) # issue 77 self.assertEqual('2001:0000:5ef5:79fd:0000:059d:a0e5:0ba1', addr2.exploded) self.assertEqual('2001:0000:0000:0000:0000:0000:0000:0000/96', addr3.exploded) self.assertEqual('192.168.178.1', addr4.exploded) def testIntRepresentation(self): self.assertEqual(16909060, int(self.ipv4_address)) self.assertEqual(42540616829182469433547762482097946625, int(self.ipv6_address)) def testHexRepresentation(self): self.assertEqual(hex(0x1020304), hex(self.ipv4_address)) self.assertEqual(hex(0x20010658022ACAFE0200000000000001), hex(self.ipv6_address)) def testForceVersion(self): self.assertEqual(ipaddress.ip_network(1).version, 4) self.assertEqual(ipaddress.IPv6Network(1).version, 6) def testWithStar(self): self.assertEqual(str(self.ipv4_interface.with_prefixlen), "1.2.3.4/24") self.assertEqual(str(self.ipv4_interface.with_netmask), "1.2.3.4/255.255.255.0") self.assertEqual(str(self.ipv4_interface.with_hostmask), "1.2.3.4/0.0.0.255") self.assertEqual(str(self.ipv6_interface.with_prefixlen), '2001:658:22a:cafe:200::1/64') # rfc3513 sec 2.3 says that ipv6 only uses cidr notation for # subnets self.assertEqual(str(self.ipv6_interface.with_netmask), '2001:658:22a:cafe:200::1/64') # this probably don't make much sense, but it's included for # compatibility with ipv4 self.assertEqual(str(self.ipv6_interface.with_hostmask), '2001:658:22a:cafe:200::1/::ffff:ffff:ffff:ffff') def testNetworkElementCaching(self): # V4 - make sure we're empty self.assertFalse('network_address' in self.ipv4_network._cache) self.assertFalse('broadcast_address' in self.ipv4_network._cache) self.assertFalse('hostmask' in self.ipv4_network._cache) # V4 - populate and test self.assertEqual(self.ipv4_network.network_address, ipaddress.IPv4Address('1.2.3.0')) self.assertEqual(self.ipv4_network.broadcast_address, ipaddress.IPv4Address('1.2.3.255')) self.assertEqual(self.ipv4_network.hostmask, ipaddress.IPv4Address('0.0.0.255')) # V4 - check we're cached self.assertTrue('broadcast_address' in self.ipv4_network._cache) self.assertTrue('hostmask' in self.ipv4_network._cache) # V6 - make sure we're empty self.assertFalse('broadcast_address' in self.ipv6_network._cache) self.assertFalse('hostmask' in self.ipv6_network._cache) # V6 - populate and test self.assertEqual(self.ipv6_network.network_address, ipaddress.IPv6Address('2001:658:22a:cafe::')) self.assertEqual(self.ipv6_interface.network.network_address, ipaddress.IPv6Address('2001:658:22a:cafe::')) self.assertEqual( self.ipv6_network.broadcast_address, ipaddress.IPv6Address('2001:658:22a:cafe:ffff:ffff:ffff:ffff')) self.assertEqual(self.ipv6_network.hostmask, ipaddress.IPv6Address('::ffff:ffff:ffff:ffff')) self.assertEqual( self.ipv6_interface.network.broadcast_address, ipaddress.IPv6Address('2001:658:22a:cafe:ffff:ffff:ffff:ffff')) self.assertEqual(self.ipv6_interface.network.hostmask, ipaddress.IPv6Address('::ffff:ffff:ffff:ffff')) # V6 - check we're cached self.assertTrue('broadcast_address' in self.ipv6_network._cache) self.assertTrue('hostmask' in self.ipv6_network._cache) self.assertTrue( 'broadcast_address' in self.ipv6_interface.network._cache) self.assertTrue('hostmask' in self.ipv6_interface.network._cache) def testTeredo(self): # stolen from wikipedia server = ipaddress.IPv4Address('65.54.227.120') client = ipaddress.IPv4Address('192.0.2.45') teredo_addr = '2001:0000:4136:e378:8000:63bf:3fff:fdd2' self.assertEqual((server, client), ipaddress.ip_address(teredo_addr).teredo) bad_addr = '2000::4136:e378:8000:63bf:3fff:fdd2' self.assertFalse(ipaddress.ip_address(bad_addr).teredo) bad_addr = '2001:0001:4136:e378:8000:63bf:3fff:fdd2' self.assertFalse(ipaddress.ip_address(bad_addr).teredo) # i77 teredo_addr = ipaddress.IPv6Address('2001:0:5ef5:79fd:0:59d:a0e5:ba1') self.assertEqual((ipaddress.IPv4Address('94.245.121.253'), ipaddress.IPv4Address('95.26.244.94')), teredo_addr.teredo) def testsixtofour(self): sixtofouraddr = ipaddress.ip_address('2002:ac1d:2d64::1') bad_addr = ipaddress.ip_address('2000:ac1d:2d64::1') self.assertEqual(ipaddress.IPv4Address('172.29.45.100'), sixtofouraddr.sixtofour) self.assertFalse(bad_addr.sixtofour) if __name__ == '__main__': unittest.main()