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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.provision;
import org.junit.Test;
import java.io.IOException;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Optional;
import java.util.Set;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author lulf
* @since 5.12
*/
public class ProvisionInfoTest {
private final HostSpec h1 = new HostSpec("host1", Optional.empty());
private final HostSpec h2 = new HostSpec("host2", Optional.empty());
private final HostSpec h3 = new HostSpec("host3", Optional.of(ClusterMembership.from("container/test/0", com.yahoo.component.Version.fromString("6.73.1"))));
@Test
public void testProvisionInfoSerialization() throws IOException {
Set<HostSpec> hosts = new LinkedHashSet<>();
hosts.add(h1);
hosts.add(h2);
hosts.add(h3);
ProvisionInfo info = ProvisionInfo.withHosts(hosts);
assertProvisionInfo(info);
}
@Test
public void testProvisionInfoMerging() throws IOException {
Set<HostSpec> hostsA = new LinkedHashSet<>(Collections.singleton(h1));
Set<HostSpec> hostsB = new LinkedHashSet<>();
hostsB.add(h2);
hostsB.add(h3);
ProvisionInfo infoA = ProvisionInfo.withHosts(hostsA);
ProvisionInfo infoB = ProvisionInfo.withHosts(hostsB);
assertProvisionInfo(infoA.merge(infoB));
assertProvisionInfo(infoB.merge(infoA));
}
private void assertProvisionInfo(ProvisionInfo info) throws IOException {
ProvisionInfo serializedInfo = ProvisionInfo.fromJson(info.toJson(), Optional.empty());
assertEquals(info.getHosts().size(), serializedInfo.getHosts().size());
assertTrue(serializedInfo.getHosts().contains(h1));
assertTrue(serializedInfo.getHosts().contains(h2));
assertTrue(serializedInfo.getHosts().contains(h3));
assertTrue(!getHost(h1.hostname(), serializedInfo.getHosts()).membership().isPresent());
assertEquals("container/test/0", getHost(h3.hostname(), serializedInfo.getHosts()).membership().get().stringValue());
assertEquals(h3.membership().get().cluster().vespaVersion(), getHost(h3.hostname(), serializedInfo.getHosts()).membership().get().cluster().vespaVersion());
}
private HostSpec getHost(String hostname, Set<HostSpec> hosts) {
for (HostSpec host : hosts)
if (host.hostname().equals(hostname))
return host;
throw new IllegalArgumentException("No host " + hostname + " is present");
}
}
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