/* * Licensed to Elasticsearch under one or more contributor * license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright * ownership. Elasticsearch licenses this file to you 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. */ package org.elasticsearch.common.network; import org.elasticsearch.test.ESTestCase; import java.net.InetAddress; /** * Tests for network utils. Please avoid using any methods that cause DNS lookups! */ public class NetworkUtilsTests extends ESTestCase { /** * test sort key order respects PREFER_IPV4 */ public void testSortKey() throws Exception { InetAddress localhostv4 = InetAddress.getByName("127.0.0.1"); InetAddress localhostv6 = InetAddress.getByName("::1"); assertTrue(NetworkUtils.sortKey(localhostv4, false) < NetworkUtils.sortKey(localhostv6, false)); assertTrue(NetworkUtils.sortKey(localhostv6, true) < NetworkUtils.sortKey(localhostv4, true)); } /** * test ordinary addresses sort before private addresses */ public void testSortKeySiteLocal() throws Exception { InetAddress siteLocal = InetAddress.getByName("172.16.0.1"); assert siteLocal.isSiteLocalAddress(); InetAddress ordinary = InetAddress.getByName("192.192.192.192"); assertTrue(NetworkUtils.sortKey(ordinary, true) < NetworkUtils.sortKey(siteLocal, true)); assertTrue(NetworkUtils.sortKey(ordinary, false) < NetworkUtils.sortKey(siteLocal, false)); InetAddress siteLocal6 = InetAddress.getByName("fec0::1"); assert siteLocal6.isSiteLocalAddress(); InetAddress ordinary6 = InetAddress.getByName("fddd::1"); assertTrue(NetworkUtils.sortKey(ordinary6, true) < NetworkUtils.sortKey(siteLocal6, true)); assertTrue(NetworkUtils.sortKey(ordinary6, false) < NetworkUtils.sortKey(siteLocal6, false)); } /** * test private addresses sort before link local addresses */ public void testSortKeyLinkLocal() throws Exception { InetAddress linkLocal = InetAddress.getByName("fe80::1"); assert linkLocal.isLinkLocalAddress(); InetAddress ordinary = InetAddress.getByName("fddd::1"); assertTrue(NetworkUtils.sortKey(ordinary, true) < NetworkUtils.sortKey(linkLocal, true)); assertTrue(NetworkUtils.sortKey(ordinary, false) < NetworkUtils.sortKey(linkLocal, false)); } /** * Test filtering out ipv4/ipv6 addresses */ public void testFilter() throws Exception { InetAddress addresses[] = { InetAddress.getByName("::1"), InetAddress.getByName("127.0.0.1") }; assertArrayEquals(new InetAddress[] { InetAddress.getByName("127.0.0.1") }, NetworkUtils.filterIPV4(addresses)); assertArrayEquals(new InetAddress[] { InetAddress.getByName("::1") }, NetworkUtils.filterIPV6(addresses)); } }