# Copyright 2007 Google Inc. # Licensed to PSF under a Contributor Agreement. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # See also: http://code.google.com/p/ipaddr-py/ """Unittest for ipaddr module.""" import unittest from test import support import ipaddr class IpaddrUnitTest(unittest.TestCase): def setUp(self): self.ipv4 = ipaddr.IPv4('1.2.3.4/24') self.ipv4_hostmask = ipaddr.IPv4('10.0.0.1/0.255.255.255') self.ipv6 = ipaddr.IPv6('2001:658:22a:cafe:200:0:0:1/64') def test_repr(self): self.assertEqual("IPv4('1.2.3.4/32')", repr(ipaddr.IPv4('1.2.3.4'))) self.assertEqual("IPv6('::1/128')", repr(ipaddr.IPv6('::1'))) def test_invalid_strings(self): self.assertRaises(ValueError, ipaddr.IP, '') self.assertRaises(ValueError, ipaddr.IP, 'www.google.com') self.assertRaises(ValueError, ipaddr.IP, '1.2.3') self.assertRaises(ValueError, ipaddr.IP, '1.2.3.4.5') self.assertRaises(ValueError, ipaddr.IP, '301.2.2.2') self.assertRaises(ValueError, ipaddr.IP, '1:2:3:4:5:6:7') self.assertRaises(ValueError, ipaddr.IP, '1:2:3:4:5:6:7:') self.assertRaises(ValueError, ipaddr.IP, ':2:3:4:5:6:7:8') self.assertRaises(ValueError, ipaddr.IP, '1:2:3:4:5:6:7:8:9') self.assertRaises(ValueError, ipaddr.IP, '1:2:3:4:5:6:7:8:') self.assertRaises(ValueError, ipaddr.IP, '1::3:4:5:6::8') self.assertRaises(ValueError, ipaddr.IP, 'a:') self.assertRaises(ValueError, ipaddr.IP, ':') self.assertRaises(ValueError, ipaddr.IP, ':::') self.assertRaises(ValueError, ipaddr.IP, '::a:') self.assertRaises(ValueError, ipaddr.IP, '1ffff::') self.assertRaises(ValueError, ipaddr.IP, '0xa::') self.assertRaises(ValueError, ipaddr.IP, '1:2:3:4:5:6:1a.2.3.4') self.assertRaises(ValueError, ipaddr.IP, '1:2:3:4:5:1.2.3.4:8') self.assertRaises(ipaddr.IPv4IpValidationError, ipaddr.IPv4, '') self.assertRaises(ipaddr.IPv4IpValidationError, ipaddr.IPv4, 'google.com') self.assertRaises(ipaddr.IPv4IpValidationError, ipaddr.IPv4, '::1.2.3.4') self.assertRaises(ipaddr.IPv6IpValidationError, ipaddr.IPv6, '') self.assertRaises(ipaddr.IPv6IpValidationError, ipaddr.IPv6, 'google.com') self.assertRaises(ipaddr.IPv6IpValidationError, ipaddr.IPv6, '1.2.3.4') def test_get_network(self): self.assertEqual(self.ipv4.network, 16909056) self.assertEqual(self.ipv4.network_ext, '1.2.3.0') self.assertEqual(self.ipv4_hostmask.network_ext, '10.0.0.0') self.assertEqual(self.ipv6.network, 42540616829182469433403647294022090752) self.assertEqual(self.ipv6.network_ext, '2001:658:22a:cafe::') self.assertEqual(self.ipv6.hostmask_ext, '::ffff:ffff:ffff:ffff') def test_ip_from_int(self): self.assertEqual(self.ipv4.ip, ipaddr.IPv4(16909060).ip) self.assertRaises(ipaddr.IPv4IpValidationError, ipaddr.IPv4, 2**32) self.assertRaises(ipaddr.IPv4IpValidationError, ipaddr.IPv4, -1) self.assertEqual(self.ipv6.ip, ipaddr.IPv6(42540616829182469433547762482097946625).ip) self.assertRaises(ipaddr.IPv6IpValidationError, ipaddr.IPv6, 2**128) self.assertRaises(ipaddr.IPv6IpValidationError, ipaddr.IPv6, -1) self.assertEqual(ipaddr.IP(self.ipv4.ip).version, 4) self.assertEqual(ipaddr.IP(self.ipv6.ip).version, 6) def test_ip_from_packed(self): ip = ipaddr.IP self.assertEqual(self.ipv4.ip, ip(b'\x01\x02\x03\x04').ip) self.assertEqual(ip('255.254.253.252'), ip(b'\xff\xfe\xfd\xfc')) self.assertRaises(ValueError, ipaddr.IP, b'\x00' * 3) self.assertRaises(ValueError, ipaddr.IP, b'\x00' * 5) self.assertEqual(self.ipv6.ip, ip(b'\x20\x01\x06\x58\x02\x2a\xca\xfe' b'\x02\x00\x00\x00\x00\x00\x00\x01').ip) self.assertEqual(ip('ffff:2:3:4:ffff::'), ip(b'\xff\xff\x00\x02\x00\x03\x00\x04' + b'\xff\xff' + b'\x00' * 6)) self.assertEqual(ip('::'), ip(b'\x00' * 16)) self.assertRaises(ValueError, ip, b'\x00' * 15) self.assertRaises(ValueError, ip, b'\x00' * 17) def test_get_ip(self): self.assertEqual(self.ipv4.ip, 16909060) self.assertEqual(self.ipv4.ip_ext, '1.2.3.4') self.assertEqual(self.ipv4.ip_ext_full, '1.2.3.4') self.assertEqual(self.ipv4_hostmask.ip_ext, '10.0.0.1') self.assertEqual(self.ipv6.ip, 42540616829182469433547762482097946625) self.assertEqual(self.ipv6.ip_ext, '2001:658:22a:cafe:200::1') self.assertEqual(self.ipv6.ip_ext_full, '2001:0658:022a:cafe:0200:0000:0000:0001') def test_get_netmask(self): self.assertEqual(self.ipv4.netmask, 4294967040) self.assertEqual(self.ipv4.netmask_ext, '255.255.255.0') self.assertEqual(self.ipv4_hostmask.netmask_ext, '255.0.0.0') self.assertEqual(self.ipv6.netmask, 340282366920938463444927863358058659840) self.assertEqual(self.ipv6.netmask_ext, 64) def test_zero_netmask(self): ipv4_zero_netmask = ipaddr.IPv4('1.2.3.4/0') self.assertEqual(ipv4_zero_netmask.netmask, 0) self.assert_(ipv4_zero_netmask._is_valid_netmask(str(0))) ipv6_zero_netmask = ipaddr.IPv6('::1/0') self.assertEqual(ipv6_zero_netmask.netmask, 0) self.assert_(ipv6_zero_netmask._is_valid_netmask(str(0))) def test_get_broadcast(self): self.assertEqual(self.ipv4.broadcast, 16909311) self.assertEqual(self.ipv4.broadcast_ext, '1.2.3.255') self.assertEqual(self.ipv6.broadcast, 42540616829182469451850391367731642367) self.assertEqual(self.ipv6.broadcast_ext, '2001:658:22a:cafe:ffff:ffff:ffff:ffff') def test_get_prefixlen(self): self.assertEqual(self.ipv4.prefixlen, 24) self.assertEqual(self.ipv6.prefixlen, 64) def test_get_supernet(self): self.assertEqual(self.ipv4.supernet().prefixlen, 23) self.assertEqual(self.ipv4.supernet().network_ext, '1.2.2.0') self.assertEqual(ipaddr.IPv4('0.0.0.0/0').supernet(), ipaddr.IPv4('0.0.0.0/0')) self.assertEqual(self.ipv6.supernet().prefixlen, 63) self.assertEqual(self.ipv6.supernet().network_ext, '2001:658:22a:cafe::') self.assertEqual(ipaddr.IPv6('::0/0').supernet(), ipaddr.IPv6('::0/0')) def test_get_supernet3(self): self.assertEqual(self.ipv4.supernet(3).prefixlen, 21) self.assertEqual(self.ipv4.supernet(3).network_ext, '1.2.0.0') self.assertEqual(self.ipv6.supernet(3).prefixlen, 61) self.assertEqual(self.ipv6.supernet(3).network_ext, '2001:658:22a:caf8::') def test_get_subnet(self): self.assertEqual(self.ipv4.subnet()[0].prefixlen, 25) self.assertEqual(self.ipv4.subnet()[0].network_ext, '1.2.3.0') self.assertEqual(self.ipv4.subnet()[1].network_ext, '1.2.3.128') self.assertEqual(self.ipv6.subnet()[0].prefixlen, 65) def test_get_subnet_for_single32(self): ip = ipaddr.IPv4('1.2.3.4/32') subnets1 = [str(x) for x in ip.subnet()] subnets2 = [str(x) for x in ip.subnet(2)] self.assertEqual(subnets1, ['1.2.3.4/32']) self.assertEqual(subnets1, subnets2) def test_get_subnet_for_single128(self): ip = ipaddr.IPv6('::1/128') subnets1 = [str(x) for x in ip.subnet()] subnets2 = [str(x) for x in ip.subnet(2)] self.assertEqual(subnets1, ['::1/128']) self.assertEqual(subnets1, subnets2) def test_subnet2(self): ips = [str(x) for x in self.ipv4.subnet(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.subnet(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 test_subnet_fails_for_large_cidr_diff(self): self.assertRaises(ipaddr.PrefixlenDiffInvalidError, self.ipv4.subnet, 9) self.assertRaises(ipaddr.PrefixlenDiffInvalidError, self.ipv6.subnet, 65) def test_supernet_fails_for_large_cidr_diff(self): self.assertRaises(ipaddr.PrefixlenDiffInvalidError, self.ipv4.supernet, 25) self.assertRaises(ipaddr.PrefixlenDiffInvalidError, self.ipv6.supernet, 65) def test_subnet_fails_for_negative_cidr_diff(self): self.assertRaises(ipaddr.PrefixlenDiffInvalidError, self.ipv4.subnet, -1) self.assertRaises(ipaddr.PrefixlenDiffInvalidError, self.ipv6.subnet, -1) def test_get_num_hosts(self): self.assertEqual(self.ipv4.numhosts, 256) self.assertEqual(self.ipv4.subnet()[0].numhosts, 128) self.assertEqual(self.ipv4.supernet().numhosts, 512) self.assertEqual(self.ipv6.numhosts, 18446744073709551616) self.assertEqual(self.ipv6.subnet()[0].numhosts, 9223372036854775808) self.assertEqual(self.ipv6.supernet().numhosts, 36893488147419103232) def test_contains(self): self.assertTrue(ipaddr.IPv4('1.2.3.128/25') in self.ipv4) self.assertFalse(ipaddr.IPv4('1.2.4.1/24') in self.ipv4) self.assertFalse(self.ipv4 in self.ipv6) self.assertFalse(self.ipv6 in self.ipv4) self.assertTrue(self.ipv4 in self.ipv4) self.assertTrue(self.ipv6 in self.ipv6) def test_bad_address(self): self.assertRaises(ipaddr.IPv4IpValidationError, ipaddr.IPv4, 'poop') self.assertRaises(ipaddr.IPv4IpValidationError, ipaddr.IPv4, '1.2.3.256') self.assertRaises(ipaddr.IPv6IpValidationError, ipaddr.IPv6, 'poopv6') self.assertRaises(ipaddr.IPv4IpValidationError, ipaddr.IPv4, '1.2.3.4/32/24') def test_bad_net_mask(self): self.assertRaises(ipaddr.IPv4NetmaskValidationError, ipaddr.IPv4, '1.2.3.4/') self.assertRaises(ipaddr.IPv4NetmaskValidationError, ipaddr.IPv4, '1.2.3.4/33') self.assertRaises(ipaddr.IPv4NetmaskValidationError, ipaddr.IPv4, '1.2.3.4/254.254.255.256') self.assertRaises(ipaddr.IPv6NetmaskValidationError, ipaddr.IPv6, '::1/') self.assertRaises(ipaddr.IPv6NetmaskValidationError, ipaddr.IPv6, '::1/129') def test_nth(self): self.assertEqual(self.ipv4[5], '1.2.3.5') self.assertRaises(IndexError, self.ipv4.__getitem__, 256) self.assertEqual(self.ipv6[5], '2001:658:22a:cafe::5') def test_getitem(self): # http://code.google.com/p/ipaddr-py/issues/detail?id=15 addr = ipaddr.IPv4('172.31.255.128/255.255.255.240') self.assertEqual(28, addr.prefixlen) addr_list = list(addr) self.assertEqual('172.31.255.128', addr_list[0]) self.assertEqual('172.31.255.128', addr[0]) self.assertEqual('172.31.255.143', addr_list[-1]) self.assertEqual('172.31.255.143', addr[-1]) self.assertEqual(addr_list[-1], addr[-1]) def test_equals(self): self.assertTrue(self.ipv4 == ipaddr.IPv4('1.2.3.4/24')) self.assertFalse(self.ipv4 == ipaddr.IPv4('1.2.3.4/23')) self.assertFalse(self.ipv4 == ipaddr.IPv4('1.2.3.5/24')) self.assertFalse(self.ipv4 == ipaddr.IPv6('::1.2.3.4/24')) self.assertFalse(self.ipv4 == '') self.assertFalse(self.ipv4 == []) self.assertFalse(self.ipv4 == 2) self.assertTrue(self.ipv6 == ipaddr.IPv6('2001:658:22a:cafe:200::1/64')) self.assertFalse(self.ipv6 == ipaddr.IPv6('2001:658:22a:cafe:200::1/63')) self.assertFalse(self.ipv6 == ipaddr.IPv6('2001:658:22a:cafe:200::2/64')) self.assertFalse(self.ipv6 == ipaddr.IPv4('1.2.3.4/23')) self.assertFalse(self.ipv6 == '') self.assertFalse(self.ipv6 == []) self.assertFalse(self.ipv6 == 2) def test_not_equals(self): self.assertFalse(self.ipv4 != ipaddr.IPv4('1.2.3.4/24')) self.assertTrue(self.ipv4 != ipaddr.IPv4('1.2.3.4/23')) self.assertTrue(self.ipv4 != ipaddr.IPv4('1.2.3.5/24')) self.assertTrue(self.ipv4 != ipaddr.IPv6('::1.2.3.4/24')) self.assertTrue(self.ipv4 != '') self.assertTrue(self.ipv4 != []) self.assertTrue(self.ipv4 != 2) self.assertFalse(self.ipv6 != ipaddr.IPv6('2001:658:22a:cafe:200::1/64')) self.assertTrue(self.ipv6 != ipaddr.IPv6('2001:658:22a:cafe:200::1/63')) self.assertTrue(self.ipv6 != ipaddr.IPv6('2001:658:22a:cafe:200::2/64')) self.assertTrue(self.ipv6 != ipaddr.IPv4('1.2.3.4/23')) self.assertTrue(self.ipv6 != '') self.assertTrue(self.ipv6 != []) self.assertTrue(self.ipv6 != 2) def test_slash32_constructor(self): self.assertEquals(str(ipaddr.IPv4('1.2.3.4/255.255.255.255')), '1.2.3.4/32') def test_slash128_constructor(self): self.assertEquals(str(ipaddr.IPv6('::1/128')), '::1/128') def test_slash0_constructor(self): self.assertEquals(str(ipaddr.IPv4('1.2.3.4/0.0.0.0')), '1.2.3.4/0') def test_collapsing(self): ip1 = ipaddr.IPv4('1.1.0.0/24') ip2 = ipaddr.IPv4('1.1.1.0/24') ip3 = ipaddr.IPv4('1.1.2.0/24') ip4 = ipaddr.IPv4('1.1.3.0/24') ip5 = ipaddr.IPv4('1.1.4.0/24') # stored in no particular order b/c we want CollapseAddr to call [].sort ip6 = ipaddr.IPv4('1.1.0.0/22') # check that addreses are subsumed properlly. collapsed = ipaddr.collapse_address_list([ip1, ip2, ip3, ip4, ip5, ip6]) self.assertEqual(collapsed, [ipaddr.IPv4('1.1.0.0/22'), ipaddr.IPv4('1.1.4.0/24')]) # test that two addresses are supernet'ed properlly collapsed = ipaddr.collapse_address_list([ip1, ip2]) self.assertEqual(collapsed, [ipaddr.IPv4('1.1.0.0/23')]) ip_same1 = ip_same2 = ipaddr.IPv4('1.1.1.1/32') self.assertEqual(ipaddr.collapse_address_list([ip_same1, ip_same2]), [ip_same1]) ip1 = ipaddr.IPv6('::2001:1/100') ip2 = ipaddr.IPv6('::2002:1/120') ip3 = ipaddr.IPv6('::2001:1/96') # test that ipv6 addresses are subsumed properly. collapsed = ipaddr.collapse_address_list([ip1, ip2, ip3]) self.assertEqual(collapsed, [ip3]) def test_network_comparison(self): # ip1 and ip2 have the same network address ip1 = ipaddr.IPv4('1.1.1.0/24') ip2 = ipaddr.IPv4('1.1.1.1/24') ip3 = ipaddr.IPv4('1.1.2.0/24') self.assertTrue(ip1 < ip3) self.assertTrue(ip3 > ip2) self.assertEquals(ip1.compare_networks(ip2), 0) self.assertTrue(ip1._get_networks_key() == ip2._get_networks_key()) self.assertEquals(ip1.compare_networks(ip3), -1) self.assertTrue(ip1._get_networks_key() < ip3._get_networks_key()) ip1 = ipaddr.IPv6('2001::2000/96') ip2 = ipaddr.IPv6('2001::2001/96') ip3 = ipaddr.IPv6('2001:ffff::2000/96') self.assertTrue(ip1 < ip3) self.assertTrue(ip3 > ip2) self.assertEquals(ip1.compare_networks(ip2), 0) self.assertTrue(ip1._get_networks_key() == ip2._get_networks_key()) self.assertEquals(ip1.compare_networks(ip3), -1) self.assertTrue(ip1._get_networks_key() < ip3._get_networks_key()) # Test comparing different protocols ipv6 = ipaddr.IPv6('::/0') ipv4 = ipaddr.IPv4('0.0.0.0/0') self.assertTrue(ipv6 > ipv4) self.assertTrue(ipv4 < ipv6) def test_embedded_ipv4(self): ipv4_string = '192.168.0.1' ipv4 = ipaddr.IPv4(ipv4_string) v4compat_ipv6 = ipaddr.IPv6('::%s' % ipv4_string) self.assertEquals(v4compat_ipv6.ip, ipv4.ip) v4mapped_ipv6 = ipaddr.IPv6('::ffff:%s' % ipv4_string) self.assertNotEquals(v4mapped_ipv6.ip, ipv4.ip) self.assertRaises(ipaddr.IPv6IpValidationError, ipaddr.IPv6, '2001:1.1.1.1:1.1.1.1') def test_ip_version(self): self.assertEqual(self.ipv4.version, 4) self.assertEqual(self.ipv6.version, 6) def test_packed(self): self.assertEqual(self.ipv4.packed, b'\x01\x02\x03\x04') self.assertEqual(ipaddr.IPv4('255.254.253.252').packed, b'\xff\xfe\xfd\xfc') self.assertEqual(self.ipv6.packed, b'\x20\x01\x06\x58\x02\x2a\xca\xfe' + b'\x02\x00\x00\x00\x00\x00\x00\x01') self.assertEqual(ipaddr.IPv6('ffff:2:3:4:ffff::').packed, b'\xff\xff\x00\x02\x00\x03\x00\x04\xff\xff' + b'\x00' * 6) self.assertEqual(ipaddr.IPv6('::1:0:0:0:0').packed, b'\x00' * 6 + b'\x00\x01' + b'\x00' * 8) def test_ip_str_from_prefixlen(self): ipv4 = ipaddr.IPv4('1.2.3.4/24') self.assertEquals(ipv4._ip_string_from_prefix(), '255.255.255.0') self.assertEquals(ipv4._ip_string_from_prefix(28), '255.255.255.240') def test_ip_type(self): ipv4 = ipaddr.IP('1.2.3.4') ipv6 = ipaddr.IP('::1.2.3.4') self.assertEquals(ipaddr.IPv4, type(ipv4)) self.assertEquals(ipaddr.IPv6, type(ipv6)) def test_reserved_ipv4(self): self.assertEquals(True, ipaddr.IP('224.1.1.1/31').is_multicast) self.assertEquals(False, ipaddr.IP('240.0.0.0').is_multicast) self.assertEquals(True, ipaddr.IP('192.168.1.1/17').is_private) self.assertEquals(False, ipaddr.IP('192.169.0.0').is_private) self.assertEquals(True, ipaddr.IP('10.255.255.255').is_private) self.assertEquals(False, ipaddr.IP('11.0.0.0').is_private) self.assertEquals(True, ipaddr.IP('172.31.255.255').is_private) self.assertEquals(False, ipaddr.IP('172.32.0.0').is_private) self.assertEquals(True, ipaddr.IP('169.254.100.200/24').is_link_local) self.assertEquals(False, ipaddr.IP('169.255.100.200/24').is_link_local) self.assertEquals(True, ipaddr.IP('127.100.200.254/32').is_loopback) self.assertEquals(True, ipaddr.IP('127.42.0.0/16').is_loopback) self.assertEquals(False, ipaddr.IP('128.0.0.0').is_loopback) def test_reserved_ipv6(self): ip = ipaddr.IP self.assertEquals(True, ip('ffff::').is_multicast) self.assertEquals(True, ip(2**128-1).is_multicast) self.assertEquals(True, ip('ff00::').is_multicast) self.assertEquals(False, ip('fdff::').is_multicast) self.assertEquals(True, ip('fecf::').is_site_local) self.assertEquals(True, ip('feff:ffff:ffff:ffff::').is_site_local) self.assertEquals(False, ip('fbf:ffff::').is_site_local) self.assertEquals(False, ip('ff00::').is_site_local) self.assertEquals(True, ip('fc00::').is_private) self.assertEquals(True, ip('fc00:ffff:ffff:ffff::').is_private) self.assertEquals(False, ip('fbff:ffff::').is_private) self.assertEquals(False, ip('fe00::').is_private) self.assertEquals(True, ip('fea0::').is_link_local) self.assertEquals(True, ip('febf:ffff::').is_link_local) self.assertEquals(False, ip('fe7f:ffff::').is_link_local) self.assertEquals(False, ip('fec0::').is_link_local) self.assertEquals(True, ip('0:0::0:01').is_loopback) self.assertEquals(False, ip('::1/127').is_loopback) self.assertEquals(False, ip('::').is_loopback) self.assertEquals(False, ip('::2').is_loopback) self.assertEquals(True, ip('0::0').is_unspecified) self.assertEquals(False, ip('::1').is_unspecified) self.assertEquals(False, ip('::/127').is_unspecified) def test_addr_exclude(self): addr1 = ipaddr.IP('10.1.1.0/24') addr2 = ipaddr.IP('10.1.1.0/26') addr3 = ipaddr.IP('10.2.1.0/24') self.assertEqual(addr1.address_exclude(addr2), [ipaddr.IP('10.1.1.64/26'), ipaddr.IP('10.1.1.128/25')]) self.assertRaises(ValueError, addr1.address_exclude, addr3) def test_hash(self): self.assertEquals(hash(ipaddr.IP('10.1.1.0/24')), hash(ipaddr.IP('10.1.1.0/24'))) dummy = {} dummy[self.ipv4] = None dummy[self.ipv6] = None self.assertTrue(self.ipv4 in dummy) def test_ipv4_prefix_from_int(self): addr1 = ipaddr.IP('10.1.1.0/24') addr2 = ipaddr.IPv4(addr1.ip) # clone prefix addr2.prefixlen = addr1.prefixlen addr3 = ipaddr.IP(123456) self.assertEqual(123456, addr3.ip) self.assertRaises(ipaddr.IPv4NetmaskValidationError, addr2._set_prefix, -1) self.assertEqual(addr1, addr2) self.assertEqual(str(addr1), str(addr2)) def test_ipv6_prefix_from_int(self): addr1 = ipaddr.IP('2001:0658:022a:cafe:0200::1/64') addr2 = ipaddr.IPv6(addr1.ip) # clone prefix addr2.prefixlen = addr1.prefixlen addr3 = ipaddr.IP(123456) self.assertEqual(123456, addr3.ip) self.assertRaises(ipaddr.IPv6NetmaskValidationError, addr2._set_prefix, -1) self.assertEqual(addr1, addr2) self.assertEqual(str(addr1), str(addr2)) def test_copy_constructor(self): addr1 = ipaddr.IP('10.1.1.0/24') addr2 = ipaddr.IP(addr1) addr3 = ipaddr.IP('2001:658:22a:cafe:200::1/64') addr4 = ipaddr.IP(addr3) self.assertEqual(addr1, addr2) self.assertEqual(addr3, addr4) def test_compress_ipv6_address(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', } for uncompressed, compressed in test_addresses.items(): self.assertEquals(compressed, str(ipaddr.IPv6(uncompressed))) def test_explode_short_hand_ip_str(self): addr1 = ipaddr.IPv6('2001::1') self.assertEqual('2001:0000:0000:0000:0000:0000:0000:0001', addr1._explode_shorthand_ip_string(addr1.ip_ext)) def test_int_representation(self): self.assertEqual(16909060, int(self.ipv4)) self.assertEqual(42540616829182469433547762482097946625, int(self.ipv6)) def test_hex_representation(self): self.assertEqual(hex(0x1020304), hex(self.ipv4)) self.assertEqual(hex(0x20010658022ACAFE0200000000000001), hex(self.ipv6)) if __name__ == '__main__': support.run_unittest(IpaddrUnitTest) support.run_doctest(ipaddr, True)