# Copyright (c) 2015 Mirantis, Inc. # All Rights Reserved. # # 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. import netaddr from neutron.ipam import utils from neutron.tests import base class TestIpamUtils(base.BaseTestCase): def test_check_subnet_ip_v4_network(self): self.assertFalse(utils.check_subnet_ip('1.1.1.0/24', '1.1.1.0')) def test_check_subnet_ip_v4_broadcast(self): self.assertFalse(utils.check_subnet_ip('1.1.1.0/24', '1.1.1.255')) def test_check_subnet_ip_v4_valid(self): self.assertTrue(utils.check_subnet_ip('1.1.1.0/24', '1.1.1.1')) self.assertTrue(utils.check_subnet_ip('1.1.1.0/24', '1.1.1.254')) def test_check_subnet_ip_v6_network(self): self.assertTrue(utils.check_subnet_ip('F111::0/64', 'F111::0')) def test_check_subnet_ip_v6_valid(self): self.assertTrue(utils.check_subnet_ip('F111::0/64', 'F111::1')) self.assertTrue(utils.check_subnet_ip('F111::0/64', 'F111::FFFF:FFFF:FFFF:FFFF')) def test_generate_pools_v4_nogateway(self): cidr = '192.168.0.0/24' expected = [netaddr.IPRange('192.168.0.1', '192.168.0.254')] self.assertEqual(expected, utils.generate_pools(cidr, None)) def test_generate_pools_v4_gateway_first(self): cidr = '192.168.0.0/24' gateway = '192.168.0.1' expected = [netaddr.IPRange('192.168.0.2', '192.168.0.254')] self.assertEqual(expected, utils.generate_pools(cidr, gateway)) def test_generate_pools_v4_gateway_last(self): cidr = '192.168.0.0/24' gateway = '192.168.0.254' expected = [netaddr.IPRange('192.168.0.1', '192.168.0.253')] self.assertEqual(expected, utils.generate_pools(cidr, gateway)) def test_generate_pools_v4_32(self): # 32 is special because it should have 1 usable address cidr = '192.168.0.0/32' expected = [netaddr.IPRange('192.168.0.0', '192.168.0.0')] self.assertEqual(expected, utils.generate_pools(cidr, None)) def test_generate_pools_v4_31(self): cidr = '192.168.0.0/31' expected = [] self.assertEqual(expected, utils.generate_pools(cidr, None)) def test_generate_pools_v4_gateway_middle(self): cidr = '192.168.0.0/24' gateway = '192.168.0.128' expected = [netaddr.IPRange('192.168.0.1', '192.168.0.127'), netaddr.IPRange('192.168.0.129', '192.168.0.254')] self.assertEqual(expected, utils.generate_pools(cidr, gateway)) def test_generate_pools_v6_nogateway(self): # other than the difference in the last address, the rest of the # logic is the same as v4 so we only need one test cidr = 'F111::0/64' expected = [netaddr.IPRange('F111::1', 'F111::FFFF:FFFF:FFFF:FFFF')] self.assertEqual(expected, utils.generate_pools(cidr, None)) def test_generate_pools_v6_empty(self): # We want to be sure the range will begin and end with an IPv6 # address, even if an ambiguous ::/64 cidr is given. cidr = '::/64' expected = [netaddr.IPRange('::1', '::FFFF:FFFF:FFFF:FFFF')] self.assertEqual(expected, utils.generate_pools(cidr, None))