/* * 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; } } }