DefaultDnsCacheTest.java — netty Source File

Source Code

/*
 * Copyright 2018 The Netty Project
 *
 * The Netty Project 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:
 *
 *   https://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 io.netty.resolver.dns;

import io.netty.channel.EventLoop;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.MultiThreadIoEventLoopGroup;
import io.netty.channel.nio.NioIoHandler;
import io.netty.util.NetUtil;
import org.junit.jupiter.api.Test;

import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;


import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertInstanceOf;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNotSame;
import static org.junit.jupiter.api.Assertions.assertNull;

public class DefaultDnsCacheTest {

    @Test
    public void testExpire() throws Throwable {
        InetAddress addr1 = InetAddress.getByAddress(new byte[] { 10, 0, 0, 1 });
        InetAddress addr2 = InetAddress.getByAddress(new byte[] { 10, 0, 0, 2 });
        EventLoopGroup group = new MultiThreadIoEventLoopGroup(1, NioIoHandler.newFactory());

        try {
            EventLoop loop = group.next();
            final DefaultDnsCache cache = new DefaultDnsCache();
            cache.cache("netty.io", null, addr1, 1, loop);
            cache.cache("netty.io", null, addr2, 10000, loop);

            Throwable error = loop.schedule(new Callable<Throwable>() {
                @Override
                public Throwable call() {
                    try {
                        assertNull(cache.get("netty.io", null));
// ... (199 more lines)