@Test
public void testPostMigrationIsDifferentActorInstance() throws Exception {
ActorRef actorRef =
harness.newActor(new ActorSpec(MigratableActor.class.getName(), "Migration test actor"));
Actor preInstance = harness.getActorInstance(actorRef);
harness.migrateActor(actorRef);
Actor postInstance = harness.getActorInstance(actorRef);
assertNotSame(preInstance, postInstance);
}
@Test
public void testMigrate() throws Exception {
// Create a subscription to track messages published by the actor
// on the count topic.
final List<Object> receivedMsgs = new CopyOnWriteArrayList<Object>();
harness.subscribe(
"count",
new MessageListener() {
@Override
public void onMessage(Object o, MessageContext messageContext) {
receivedMsgs.add(o);
}
});
ActorRef actorRef =
harness.newActor(
new ActorSpec(MigratableActor.class.getName(), "Suspend/Resume test actor"));
MigratableActor actor = (MigratableActor) harness.getActorInstance(actorRef);
actor.start(null);
// Check correct count is published
harness.sendTo(actorRef, null);
assertEventuallyEquals(receivedMsgs, Arrays.asList(1L), 10 * 1000);
// Migrate the actor, then send it a second message
harness.migrateActor(actorRef);
harness.sendTo(actorRef, null);
assertEventuallyEquals(receivedMsgs, Arrays.asList(1L, 2L), 10 * 1000);
}
@Test
public void testActorIsInstantiated() throws Exception {
ActorRef actorRef =
harness.newActor(new ActorSpec(MigratableActor.class.getName(), "Migration test actor"));
assertTrue(harness.getActorInstance(actorRef) instanceof MigratableActor);
}
@AfterMethod(alwaysRun = true)
public void tearDownHarness() {
harness.shutdown();
}