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/*
* Sonar, open source software quality management tool.
* Copyright (C) 2008-2012 SonarSource
* mailto:contact AT sonarsource DOT com
*
* Sonar 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.
*
* Sonar 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 Sonar; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.batch.bootstrap;
import org.hamcrest.Matchers;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.nullValue;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
public class ModuleTest {
@Test
public void shouldInitModule() {
Module module = new FakeModule(FakeService.class).init();
FakeService service = module.container.getComponentByType(FakeService.class);
assertThat(service, not(nullValue()));
assertThat(service.started, is(false));
assertThat(module.container, notNullValue());
}
@Test
public void shouldStartAndStopModule() {
Module module = new FakeModule(FakeService.class).init();
module.start();
FakeService service = module.container.getComponentByType(FakeService.class);
assertThat(service.started, is(true));
module.stop();
assertThat(service.started, is(false));
}
@Test(expected = RuntimeException.class)
public void shouldNotIgnoreStartFailures() {
Module module = new FakeModule(NonStartableService.class).init();
module.start();
}
@Test
public void shouldIgnoreStopFailures() {
Module module = new FakeModule(NonStoppableService.class).init();
module.start();
module.stop(); // no exception is raised
}
@Test
public void componentsShouldBeSingletons() {
Module module = new FakeModule(FakeService.class).init();
assertThat(module.container.getComponentByType(FakeService.class) == module.container.getComponentByType(FakeService.class), is(true));
}
@Test
public void shouldInstallChildModule() {
Module parent = new FakeModule(FakeService.class).init();
parent.start();
Module child = parent.installChild(new FakeModule(ChildService.class));
assertThat(parent.container.getComponentByType(ChildService.class), Matchers.nullValue());// child not accessible from parent
assertThat(child.container.getComponentByType(FakeService.class), not(nullValue()));
assertThat(child.container.getComponentByType(ChildService.class).started, is(false));
assertThat(child.container.getComponentByType(ChildService.class).dependency, not(nullValue()));
child.start();
assertThat(child.container.getComponentByType(ChildService.class).started, is(true));
child.stop();
assertThat(child.container.getComponentByType(ChildService.class).started, is(false));
}
public static class FakeModule extends Module {
private Class[] components;
public FakeModule(Class... components) {
this.components = components;
}
@Override
protected void configure() {
for (Class component : components) {
container.addSingleton(component);
}
}
@Override
public boolean equals(Object obj) {
return false;
}
@Override
public int hashCode() {
return 42;
}
}
public static class FakeService {
boolean started = false;
public void start() {
this.started = true;
}
public void stop() {
this.started = false;
}
}
public static class ChildService {
private FakeService dependency;
private boolean started = false;
public ChildService(FakeService dependency) {
this.dependency = dependency;
}
public void start() {
this.started = true;
}
public void stop() {
this.started = false;
}
}
public static class NonStoppableService {
public void stop() {
throw new IllegalStateException("Can not stop !");
}
}
public static class NonStartableService {
public void start() {
throw new IllegalStateException("Can not start !");
}
}
}
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