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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.jdisc.component;
import com.yahoo.component.AbstractComponent;
import com.yahoo.container.bundle.MockBundle;
import com.yahoo.container.di.componentgraph.Provider;
import com.yahoo.jdisc.ResourceReference;
import com.yahoo.jdisc.SharedResource;
import org.junit.Before;
import org.junit.Test;
import java.util.List;
import java.util.concurrent.TimeUnit;
import static java.util.Collections.emptyList;
import static java.util.Collections.singleton;
import static org.junit.Assert.assertTrue;
/**
* @author gjoranv
*/
public class DeconstructorTest {
public static Deconstructor deconstructor;
@Before
public void init() {
deconstructor = new Deconstructor(false);
}
@Test
public void require_abstract_component_destructed() throws InterruptedException {
TestAbstractComponent abstractComponent = new TestAbstractComponent();
// Done by executor, so it takes some time even with a 0 delay.
deconstructor.deconstruct(List.of(abstractComponent), emptyList());
deconstructor.executor.shutdown();
deconstructor.executor.awaitTermination(1, TimeUnit.MINUTES);
assertTrue(abstractComponent.destructed);
}
@Test
public void require_provider_destructed() throws InterruptedException {
TestProvider provider = new TestProvider();
deconstructor.deconstruct(List.of(provider), emptyList());
deconstructor.executor.shutdown();
deconstructor.executor.awaitTermination(1, TimeUnit.MINUTES);
assertTrue(provider.destructed);
}
@Test
public void require_shared_resource_released() {
TestSharedResource sharedResource = new TestSharedResource();
deconstructor.deconstruct(List.of(sharedResource), emptyList());
assertTrue(sharedResource.released);
}
@Test
public void bundles_are_uninstalled() throws InterruptedException {
var bundle = new UninstallableMockBundle();
// Done by executor, so it takes some time even with a 0 delay.
deconstructor.deconstruct(emptyList(), singleton(bundle));
deconstructor.executor.shutdown();
deconstructor.executor.awaitTermination(1, TimeUnit.MINUTES);
assertTrue(bundle.uninstalled);
}
private static class TestAbstractComponent extends AbstractComponent {
boolean destructed = false;
@Override public void deconstruct() { destructed = true; }
}
private static class TestProvider implements Provider<Void> {
volatile boolean destructed = false;
@Override public Void get() { return null; }
@Override public void deconstruct() { destructed = true; }
}
private static class TestSharedResource implements SharedResource {
volatile boolean released = false;
@Override public ResourceReference refer() { return null; }
@Override public void release() { released = true; }
}
private static class UninstallableMockBundle extends MockBundle {
boolean uninstalled = false;
@Override public void uninstall() {
uninstalled = true;
}
}
}
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