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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 java.io.IOException;
import java.util.UUID;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import static org.sonar.process.cluster.hz.HazelcastMember.Attribute.NODE_NAME;
public class DistributedAnswerTest {
private final Member member = newMember(uuidFromInt(9));
private final DistributedAnswer<String> underTest = new DistributedAnswer<>();
@Test
public void getMembers_return_all_members() {
underTest.setAnswer(member, "foo");
underTest.setTimedOut(newMember(uuidFromInt(0)));
underTest.setFailed(newMember(uuidFromInt(1)), new IOException("BOOM"));
assertThat(underTest.getMembers()).hasSize(3);
}
@Test
public void test_call_with_unknown_member() {
assertThat(underTest.getAnswer(member)).isEmpty();
assertThat(underTest.hasTimedOut(member)).isFalse();
assertThat(underTest.getFailed(member)).isEmpty();
}
@Test
public void test_setAnswer() {
underTest.setAnswer(member, "foo");
assertThat(underTest.getAnswer(member)).hasValue("foo");
assertThat(underTest.hasTimedOut(member)).isFalse();
assertThat(underTest.getFailed(member)).isEmpty();
}
@Test
public void test_setTimedOut() {
underTest.setTimedOut(member);
assertThat(underTest.getAnswer(member)).isEmpty();
assertThat(underTest.hasTimedOut(member)).isTrue();
assertThat(underTest.getFailed(member)).isEmpty();
}
@Test
public void test_setFailed() {
IOException e = new IOException();
underTest.setFailed(member, e);
assertThat(underTest.getAnswer(member)).isEmpty();
assertThat(underTest.hasTimedOut(member)).isFalse();
assertThat(underTest.getFailed(member)).hasValue(e);
}
@Test
public void member_can_be_referenced_multiple_times() {
underTest.setTimedOut(member);
underTest.setAnswer(member, "foo");
IOException exception = new IOException();
underTest.setFailed(member, exception);
assertThat(underTest.hasTimedOut(member)).isTrue();
assertThat(underTest.getAnswer(member)).hasValue("foo");
assertThat(underTest.getFailed(member)).hasValue(exception);
}
@Test
public void propagateExceptions_does_nothing_if_no_members() {
// no errors
underTest.propagateExceptions();
}
@Test
public void propagateExceptions_does_nothing_if_no_errors() {
underTest.setAnswer(newMember(uuidFromInt(3)), "bar");
// no errors
underTest.propagateExceptions();
}
@Test
public void propagateExceptions_throws_ISE_if_at_least_one_timeout() {
UUID uuid = uuidFromInt(4);
UUID otherUuid = uuidFromInt(5);
underTest.setAnswer(newMember(uuid), "baz");
underTest.setTimedOut(newMember(otherUuid));
assertThatThrownBy(underTest::propagateExceptions)
.isInstanceOf(IllegalStateException.class)
.hasMessage("Distributed cluster action timed out in cluster nodes " + otherUuid);
}
@Test
public void propagateExceptions_throws_ISE_if_at_least_one_failure() {
UUID foo = uuidFromInt(0);
UUID bar = uuidFromInt(1);
underTest.setAnswer(newMember(bar), "baz");
underTest.setFailed(newMember(foo), new IOException("BOOM"));
assertThatThrownBy(underTest::propagateExceptions)
.isInstanceOf(IllegalStateException.class)
.hasMessage("Distributed cluster action in cluster nodes " + foo + " (other nodes may have timed out)");
}
@Test
public void getSingleAnswer_returns_first_answer() {
underTest.setAnswer(newMember(uuidFromInt(0)), "foo");
assertThat(underTest.getSingleAnswer()).isNotEmpty();
}
private UUID uuidFromInt(int digit) {
return UUID.fromString("00000000-0000-0000-0000-00000000000" + digit);
}
@Test
public void getSingleAnswer_whenNoAnswer_returnEmptyOptional() {
assertThat(underTest.getSingleAnswer()).isEmpty();
}
private static Member newMember(UUID uuid) {
Member member = mock(Member.class);
when(member.getUuid()).thenReturn(uuid);
when(member.getAttribute(NODE_NAME.getKey())).thenReturn(uuid.toString());
return member;
}
}
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