Motivation: We can use lambdas now as we use Java8. Modification: use lambda function for all package, #8751 only migrate transport package. Result: Code cleanup.
200 lines
7.4 KiB
Java
200 lines
7.4 KiB
Java
/*
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* Copyright 2018 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.resolver.dns;
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import io.netty.channel.MultithreadEventLoopGroup;
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import io.netty.channel.EventLoop;
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import io.netty.channel.EventLoopGroup;
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import io.netty.channel.local.LocalHandler;
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import io.netty.channel.nio.NioHandler;
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import io.netty.util.NetUtil;
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import org.junit.Test;
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import java.net.InetAddress;
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import java.util.List;
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import java.util.concurrent.Callable;
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import java.util.concurrent.TimeUnit;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertNull;
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import static org.junit.Assert.assertSame;
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public class DefaultDnsCacheTest {
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@Test
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public void testExpire() throws Throwable {
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InetAddress addr1 = InetAddress.getByAddress(new byte[] { 10, 0, 0, 1 });
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InetAddress addr2 = InetAddress.getByAddress(new byte[] { 10, 0, 0, 2 });
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EventLoopGroup group = new MultithreadEventLoopGroup(1, NioHandler.newFactory());
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try {
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EventLoop loop = group.next();
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final DefaultDnsCache cache = new DefaultDnsCache();
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cache.cache("netty.io", null, addr1, 1, loop);
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cache.cache("netty.io", null, addr2, 10000, loop);
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Throwable error = loop.schedule(() -> {
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try {
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assertNull(cache.get("netty.io", null));
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return null;
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} catch (Throwable cause) {
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return cause;
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}
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}, 1, TimeUnit.SECONDS).get();
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if (error != null) {
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throw error;
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}
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} finally {
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group.shutdownGracefully();
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}
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}
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@Test
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public void testExpireWithDifferentTTLs() {
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testExpireWithTTL0(1);
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testExpireWithTTL0(1000);
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testExpireWithTTL0(1000000);
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}
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private static void testExpireWithTTL0(int days) {
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EventLoopGroup group = new MultithreadEventLoopGroup(1, NioHandler.newFactory());
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try {
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EventLoop loop = group.next();
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final DefaultDnsCache cache = new DefaultDnsCache();
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assertNotNull(cache.cache("netty.io", null, NetUtil.LOCALHOST, days, loop));
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} finally {
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group.shutdownGracefully();
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}
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}
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@Test
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public void testExpireWithToBigMinTTL() {
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EventLoopGroup group = new MultithreadEventLoopGroup(1, NioHandler.newFactory());
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try {
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EventLoop loop = group.next();
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final DefaultDnsCache cache = new DefaultDnsCache(Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE);
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assertNotNull(cache.cache("netty.io", null, NetUtil.LOCALHOST, 100, loop));
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} finally {
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group.shutdownGracefully();
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}
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}
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@Test
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public void testAddMultipleAddressesForSameHostname() throws Exception {
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InetAddress addr1 = InetAddress.getByAddress(new byte[] { 10, 0, 0, 1 });
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InetAddress addr2 = InetAddress.getByAddress(new byte[] { 10, 0, 0, 2 });
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EventLoopGroup group = new MultithreadEventLoopGroup(1, LocalHandler.newFactory());
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try {
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EventLoop loop = group.next();
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final DefaultDnsCache cache = new DefaultDnsCache();
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cache.cache("netty.io", null, addr1, 1, loop);
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cache.cache("netty.io", null, addr2, 10000, loop);
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List<? extends DnsCacheEntry> entries = cache.get("netty.io", null);
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assertEquals(2, entries.size());
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assertEntry(entries.get(0), addr1);
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assertEntry(entries.get(1), addr2);
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} finally {
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group.shutdownGracefully();
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}
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}
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@Test
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public void testAddSameAddressForSameHostname() throws Exception {
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InetAddress addr1 = InetAddress.getByAddress(new byte[] { 10, 0, 0, 1 });
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EventLoopGroup group = new MultithreadEventLoopGroup(1, LocalHandler.newFactory());
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try {
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EventLoop loop = group.next();
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final DefaultDnsCache cache = new DefaultDnsCache();
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cache.cache("netty.io", null, addr1, 1, loop);
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cache.cache("netty.io", null, addr1, 10000, loop);
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List<? extends DnsCacheEntry> entries = cache.get("netty.io", null);
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assertEquals(1, entries.size());
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assertEntry(entries.get(0), addr1);
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} finally {
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group.shutdownGracefully();
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}
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}
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private static void assertEntry(DnsCacheEntry entry, InetAddress address) {
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assertEquals(address, entry.address());
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assertNull(entry.cause());
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}
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@Test
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public void testCacheFailed() throws Exception {
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InetAddress addr1 = InetAddress.getByAddress(new byte[] { 10, 0, 0, 1 });
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InetAddress addr2 = InetAddress.getByAddress(new byte[] { 10, 0, 0, 2 });
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EventLoopGroup group = new MultithreadEventLoopGroup(1, LocalHandler.newFactory());
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try {
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EventLoop loop = group.next();
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final DefaultDnsCache cache = new DefaultDnsCache(1, 100, 100);
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cache.cache("netty.io", null, addr1, 10000, loop);
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cache.cache("netty.io", null, addr2, 10000, loop);
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List<? extends DnsCacheEntry> entries = cache.get("netty.io", null);
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assertEquals(2, entries.size());
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assertEntry(entries.get(0), addr1);
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assertEntry(entries.get(1), addr2);
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Exception exception = new Exception();
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cache.cache("netty.io", null, exception, loop);
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entries = cache.get("netty.io", null);
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DnsCacheEntry entry = entries.get(0);
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assertEquals(1, entries.size());
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assertSame(exception, entry.cause());
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assertNull(entry.address());
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} finally {
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group.shutdownGracefully();
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}
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}
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@Test
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public void testDotHandling() throws Exception {
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InetAddress addr1 = InetAddress.getByAddress(new byte[] { 10, 0, 0, 1 });
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InetAddress addr2 = InetAddress.getByAddress(new byte[] { 10, 0, 0, 2 });
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EventLoopGroup group = new MultithreadEventLoopGroup(1, LocalHandler.newFactory());
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try {
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EventLoop loop = group.next();
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final DefaultDnsCache cache = new DefaultDnsCache(1, 100, 100);
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cache.cache("netty.io", null, addr1, 10000, loop);
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cache.cache("netty.io.", null, addr2, 10000, loop);
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List<? extends DnsCacheEntry> entries = cache.get("netty.io", null);
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assertEquals(2, entries.size());
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assertEntry(entries.get(0), addr1);
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assertEntry(entries.get(1), addr2);
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List<? extends DnsCacheEntry> entries2 = cache.get("netty.io.", null);
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assertEquals(2, entries2.size());
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assertEntry(entries2.get(0), addr1);
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assertEntry(entries2.get(1), addr2);
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} finally {
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group.shutdownGracefully();
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}
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}
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}
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