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DittoRootActorControlTest.java
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DittoRootActorControlTest.java
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/*
* Copyright (c) 2021 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.base.service.actors;
import static org.assertj.core.api.Assertions.assertThat;
import org.apache.pekko.actor.ActorRef;
import org.apache.pekko.actor.ActorSystem;
import org.apache.pekko.actor.Props;
import org.apache.pekko.actor.Terminated;
import org.apache.pekko.japi.pf.ReceiveBuilder;
import org.apache.pekko.testkit.javadsl.TestKit;
/**
* Control test case for {@link AbstractDittoRootActorTest}.
* An actor that cannot restart successfully is defined on purpose
* to check that the test case defined in the parent class can detect it.
*/
public final class DittoRootActorControlTest extends AbstractDittoRootActorTest {
@Override
protected String serviceName() {
return "none";
}
@Override
protected ActorSystem createActorSystem() {
return ActorSystem.create();
}
@Override
protected Props getRootActorProps(final ActorSystem system) {
return Props.create(NonRestartableRootActor.class, NonRestartableRootActor::new);
}
@Override
protected void assertRestartSuccess(final ActorRef underTest, final ActorRef failingChild, final TestKit testKit) {
final Terminated terminated = testKit.expectMsgClass(Terminated.class);
assertThat(terminated.getActor()).isEqualTo(underTest);
}
private static final class NonRestartableRootActor extends DittoRootActor {
private final ActorRef child;
private NonRestartableRootActor() {
child = getContext().actorOf(Props.create(ThrowingActor.class, ThrowingActor::new), "child");
}
@Override
public void preStart() {
getContext().getSystem().actorOf(Props.create(ThrowingActor.class, ThrowingActor::new), "conflictingName");
}
@Override
public Receive createReceive() {
return ReceiveBuilder.create()
.match(RuntimeException.class, e -> child.forward(e, getContext()))
.build()
.orElse(super.createReceive());
}
}
}