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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.application;
import java.util.Random;
import java.util.concurrent.TimeUnit;
import java.util.function.BooleanSupplier;
import org.apache.commons.lang3.RandomStringUtils;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.DisableOnDebug;
import org.junit.rules.TestRule;
import org.junit.rules.Timeout;
import static org.assertj.core.api.Assertions.assertThat;
import static org.awaitility.Awaitility.await;
public class AbstractStopRequestWatcherTest {
@Rule
public TestRule safeguardTimeout = new DisableOnDebug(Timeout.seconds(60));
private String threadName = RandomStringUtils.secure().nextAlphabetic(12);
private TestBooleanSupplier booleanSupplier = new TestBooleanSupplier();
private TestAction stopAction = new TestAction();
@Test
public void constructor_sets_thread_name_and_daemon_true() {
AbstractStopRequestWatcher underTest = new AbstractStopRequestWatcher(threadName, booleanSupplier, stopAction) {
};
assertThat(underTest.getName()).isEqualTo(threadName);
assertThat(underTest.isDaemon()).isTrue();
}
@Test
public void call_stop_action_when_booleanSupplier_returns_true() {
AbstractStopRequestWatcher underTest = new AbstractStopRequestWatcher(threadName, booleanSupplier, stopAction) {
};
underTest.startWatching();
assertThat(underTest.isAlive()).isTrue();
assertThat(stopAction.isCalled()).isFalse();
booleanSupplier.flag = true;
await().atMost(1, TimeUnit.MINUTES).until(() -> stopAction.isCalled());
assertThat(stopAction.isCalled()).isTrue();
underTest.stopWatching();
await().until(() -> !underTest.isAlive());
}
@Test
public void create_instance_with_default_delay() {
AbstractStopRequestWatcher underTest = new AbstractStopRequestWatcher(threadName, booleanSupplier, stopAction) {
};
assertThat(underTest.getDelayMs()).isEqualTo(500L);
}
@Test
public void create_instance_with_specified_delay() {
long delayMs = new Random().nextLong();
AbstractStopRequestWatcher underTest = new AbstractStopRequestWatcher(threadName, booleanSupplier, stopAction, delayMs) {
};
assertThat(underTest.getDelayMs()).isEqualTo(delayMs);
}
@Test
public void stop_watching_commands_if_thread_is_interrupted() {
AbstractStopRequestWatcher underTest = new AbstractStopRequestWatcher(threadName, booleanSupplier, stopAction) {
};
underTest.startWatching();
underTest.interrupt();
await().until(() -> !underTest.isAlive());
assertThat(underTest.isAlive()).isFalse();
}
private static class TestBooleanSupplier implements BooleanSupplier {
volatile boolean flag = false;
@Override
public boolean getAsBoolean() {
return flag;
}
}
private static class TestAction implements Runnable {
volatile boolean called = false;
@Override
public void run() {
called = true;
}
public boolean isCalled() {
return called;
}
}
}
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