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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.process.cluster.hz;
import com.hazelcast.cluster.Member;
import com.hazelcast.cluster.memberselector.MemberSelectors;
import java.net.InetAddress;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.DisableOnDebug;
import org.junit.rules.TestRule;
import org.junit.rules.Timeout;
import org.sonar.process.NetworkUtilsImpl;
import org.sonar.process.ProcessId;
import static org.assertj.core.api.Assertions.assertThat;
public class HazelcastMemberImplTest {
@Rule
public TestRule safeguardTimeout = new DisableOnDebug(Timeout.seconds(60));
// use loopback for support of offline builds
private static InetAddress loopback = InetAddress.getLoopbackAddress();
private static HazelcastMember member1;
private static HazelcastMember member2;
private static HazelcastMember member3;
@BeforeClass
public static void setUp() {
int port1 = NetworkUtilsImpl.INSTANCE.getNextLoopbackAvailablePort();
int port2 = NetworkUtilsImpl.INSTANCE.getNextLoopbackAvailablePort();
int port3 = NetworkUtilsImpl.INSTANCE.getNextLoopbackAvailablePort();
member1 = newHzMember(port1, port2, port3);
member2 = newHzMember(port2, port1, port3);
member3 = newHzMember(port3, port1, port2);
}
@AfterClass
public static void tearDown() {
member1.close();
member2.close();
member3.close();
}
@Test
public void call_executes_query_on_members() throws Exception {
SuccessfulDistributedCall.COUNTER.set(0L);
DistributedCall<Long> call = new SuccessfulDistributedCall();
DistributedAnswer<Long> answer = member1.call(call, MemberSelectors.DATA_MEMBER_SELECTOR, 30_000L);
assertThat(answer.getMembers()).extracting(Member::getUuid).containsOnlyOnce(member1.getUuid(), member2.getUuid(), member3.getUuid());
assertThat(extractAnswers(answer)).containsOnlyOnce(0L, 1L, 2L);
}
@Test
public void timed_out_calls_do_not_break_other_answers() throws InterruptedException {
// member 1 and 3 success, member 2 times-out
TimedOutDistributedCall.COUNTER.set(0L);
DistributedCall call = new TimedOutDistributedCall();
DistributedAnswer<Long> answer = member1.call(call, MemberSelectors.DATA_MEMBER_SELECTOR, 2_000L);
assertThat(extractAnswers(answer)).containsOnlyOnce(0L, 2L);
assertThat(extractTimeOuts(answer)).containsExactlyInAnyOrder(false, false, true);
}
@Test
public void failed_calls_do_not_break_other_answers() throws InterruptedException {
// member 1 and 3 success, member 2 fails
FailedDistributedCall.COUNTER.set(0L);
DistributedCall call = new FailedDistributedCall();
DistributedAnswer<Long> answer = member1.call(call, MemberSelectors.DATA_MEMBER_SELECTOR, 2_000L);
// 2 successful answers
assertThat(extractAnswers(answer)).containsOnlyOnce(0L, 2L);
// 1 failure
List<Exception> failures = extractFailures(answer);
assertThat(failures).hasSize(1);
assertThat(failures.get(0)).hasMessageContaining("BOOM");
}
private static HazelcastMember newHzMember(int port, int... otherPorts) {
return new HazelcastMemberBuilder(JoinConfigurationType.TCP_IP)
.setProcessId(ProcessId.COMPUTE_ENGINE)
.setNodeName("name" + port)
.setPort(port)
.setNetworkInterface(loopback.getHostAddress())
.setMembers(Arrays.stream(otherPorts).mapToObj(p -> loopback.getHostAddress() + ":" + p).collect(Collectors.joining(",")))
.build();
}
private static Set<Long> extractAnswers(DistributedAnswer<Long> answer) {
return answer.getMembers().stream()
.map(answer::getAnswer)
.filter(Optional::isPresent)
.map(Optional::get)
.collect(Collectors.toSet());
}
private static List<Exception> extractFailures(DistributedAnswer<Long> answer) {
return answer.getMembers().stream()
.map(answer::getFailed)
.filter(Optional::isPresent)
.map(Optional::get)
.toList();
}
private static List<Boolean> extractTimeOuts(DistributedAnswer<Long> answer) {
return answer.getMembers().stream()
.map(answer::hasTimedOut)
.toList();
}
}
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