55 lines
1.4 KiB
Java
55 lines
1.4 KiB
Java
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/*
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* Copyright (C) 2020 Lightbend Inc. <https://www.lightbend.com>
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*/
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package jdocs.discovery;
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import akka.actor.ActorSystem;
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// #lookup-dns
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import akka.discovery.Discovery;
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import akka.discovery.ServiceDiscovery;
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// #lookup-dns
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import akka.testkit.javadsl.TestKit;
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import docs.discovery.DnsDiscoveryDocSpec;
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import org.junit.AfterClass;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import org.scalatestplus.junit.JUnitSuite;
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import java.time.Duration;
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import java.util.concurrent.CompletionStage;
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import java.util.concurrent.TimeUnit;
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import static org.junit.Assert.assertFalse;
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@SuppressWarnings("unused")
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public class DnsDiscoveryDocTest extends JUnitSuite {
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private static ActorSystem system;
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@BeforeClass
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public static void setup() {
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system = ActorSystem.create("LeaseDocTest", DnsDiscoveryDocSpec.config());
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}
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@AfterClass
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public static void teardown() {
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TestKit.shutdownActorSystem(system);
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system = null;
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}
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@Test
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public void dnsDiscoveryShouldResolveAkkaIo() throws Exception {
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// #lookup-dns
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ServiceDiscovery discovery = Discovery.get(system).discovery();
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// ...
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CompletionStage<ServiceDiscovery.Resolved> result =
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discovery.lookup("akka.io", Duration.ofMillis(500));
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// #lookup-dns
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ServiceDiscovery.Resolved resolved =
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result.toCompletableFuture().get(500, TimeUnit.MILLISECONDS);
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assertFalse(resolved.getAddresses().isEmpty());
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}
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}
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