| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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.apache.distributedlog.net; |
| |
| import org.junit.Test; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static org.junit.Assert.*; |
| |
| public class TestDNSResolver { |
| |
| private static final String host1 = "r1-w1rack1-1111-2222.distributedlog.io"; |
| private static final String host2 = "r2-w2rack2-3333-4444.distributedlog.io"; |
| |
| @Test(timeout = 20000) |
| public void testDNSResolverForRacks() { |
| DNSResolver dnsResolver = new DNSResolverForRacks(""); |
| |
| List<String> ipList = new ArrayList<String>(); |
| ipList.add("192.0.0.1"); |
| List<String> racks = dnsResolver.resolve(ipList); |
| assertEquals(DNSResolverForRacks.DEFAULT_RACK, racks.get(0)); |
| |
| List<String> unknownList = new ArrayList<String>(); |
| unknownList.add("unknown"); |
| racks = dnsResolver.resolve(unknownList); |
| assertEquals(DNSResolverForRacks.DEFAULT_RACK, racks.get(0)); |
| |
| List<String> r1List = new ArrayList<String>(); |
| r1List.add(host1); |
| racks = dnsResolver.resolve(r1List); |
| assertEquals("/r1/w1rack1", racks.get(0)); |
| |
| List<String> r2List = new ArrayList<String>(); |
| r2List.add(host2); |
| racks = dnsResolver.resolve(r2List); |
| assertEquals("/r2/w2rack2", racks.get(0)); |
| } |
| |
| @Test(timeout = 20000) |
| public void testDNSResolverForRows() { |
| DNSResolver dnsResolver = new DNSResolverForRows(""); |
| |
| List<String> ipList = new ArrayList<String>(); |
| ipList.add("192.0.0.1"); |
| List<String> rows = dnsResolver.resolve(ipList); |
| assertEquals(DNSResolverForRows.DEFAULT_ROW, rows.get(0)); |
| |
| List<String> unknownList = new ArrayList<String>(); |
| unknownList.add("unknown"); |
| rows = dnsResolver.resolve(unknownList); |
| assertEquals(DNSResolverForRows.DEFAULT_ROW, rows.get(0)); |
| |
| List<String> r1List = new ArrayList<String>(); |
| r1List.add(host1); |
| rows = dnsResolver.resolve(r1List); |
| assertEquals("/r1/w1", rows.get(0)); |
| |
| List<String> r2List = new ArrayList<String>(); |
| r2List.add(host2); |
| rows = dnsResolver.resolve(r2List); |
| assertEquals("/r2/w2", rows.get(0)); |
| } |
| |
| @Test(timeout = 20000) |
| public void testDNSResolverOverrides() { |
| DNSResolver dnsResolver = new DNSResolverForRacks("r1-w1rack1-1111-2222:r3;r2-w2rack2-3333-4444:r3"); |
| |
| List<String> r1List = new ArrayList<String>(); |
| r1List.add(host1); |
| List<String> racks = dnsResolver.resolve(r1List); |
| assertEquals("/r3/w1rack1", racks.get(0)); |
| |
| List<String> r2List = new ArrayList<String>(); |
| r2List.add(host2); |
| racks = dnsResolver.resolve(r2List); |
| assertEquals("/r3/w2rack2", racks.get(0)); |
| } |
| } |