@Test
public void testLifecycle_DestroyedOnEnd() {
manager.handle(new GenericEventMessage<StartingEvent>(new StartingEvent("12")));
manager.handle(new GenericEventMessage<StartingEvent>(new StartingEvent("23")));
manager.handle(new GenericEventMessage<MiddleEvent>(new MiddleEvent("12")));
manager.handle(
new GenericEventMessage<MiddleEvent>(new MiddleEvent("23"), singletonMap("catA", "value")));
assertEquals(1, repositoryContents("12", MyTestSaga.class).size());
assertEquals(1, repositoryContents("23", MyTestSaga.class).size());
assertEquals(
0,
repositoryContents("12", MyTestSaga.class)
.iterator()
.next()
.getSpecificHandlerInvocations());
assertEquals(
1,
repositoryContents("23", MyTestSaga.class)
.iterator()
.next()
.getSpecificHandlerInvocations());
manager.handle(new GenericEventMessage<EndingEvent>(new EndingEvent("12")));
assertEquals(1, repositoryContents("23", MyTestSaga.class).size());
assertEquals(0, repositoryContents("12", MyTestSaga.class).size());
manager.handle(new GenericEventMessage<EndingEvent>(new EndingEvent("23")));
assertEquals(0, repositoryContents("23", MyTestSaga.class).size());
assertEquals(0, repositoryContents("12", MyTestSaga.class).size());
}
@Test
public void testCreationPolicy_CreationForced() {
StartingEvent startingEvent = new StartingEvent("123");
manager.handle(new GenericEventMessage<StartingEvent>(startingEvent));
manager.handle(new GenericEventMessage<ForcingStartEvent>(new ForcingStartEvent("123")));
Set<MyTestSaga> sagas = repositoryContents("123", MyTestSaga.class);
assertEquals(2, sagas.size());
for (MyTestSaga saga : sagas) {
if (saga.getCapturedEvents().contains(startingEvent)) {
assertEquals(2, saga.getCapturedEvents().size());
}
assertTrue(saga.getCapturedEvents().size() >= 1);
}
}
@Test
public void testLifeCycle_ExistingInstanceIgnoresEvent() {
manager.handle(new GenericEventMessage<StartingEvent>(new StartingEvent("12")));
manager.handle(new GenericEventMessage<StubDomainEvent>(new StubDomainEvent()));
assertEquals(1, repositoryContents("12", MyTestSaga.class).size());
assertEquals(
1, repositoryContents("12", MyTestSaga.class).iterator().next().getCapturedEvents().size());
}
@Test
public void testCorrelationDataReadFromProvider() throws Exception {
CorrelationDataProvider<? super EventMessage> correlationDataProvider =
mock(CorrelationDataProvider.class);
manager.setCorrelationDataProvider(correlationDataProvider);
manager.handle(
asEventMessage(new StartingEvent("12")).withMetaData(singletonMap("key", "val")));
verify(correlationDataProvider).correlationDataFor(isA(EventMessage.class));
}
@Test(timeout = 5000)
public void testEventForSagaIsHandledWhenSagaIsBeingCreated() throws InterruptedException {
ExecutorService executor = Executors.newSingleThreadExecutor();
final CountDownLatch awaitStart = new CountDownLatch(1);
executor.execute(
new Runnable() {
@Override
public void run() {
manager.handle(
new GenericEventMessage<StartingEvent>(
new SlowStartingEvent("12", awaitStart, 100)));
}
});
awaitStart.await();
manager.handle(asEventMessage(new MiddleEvent("12")));
executor.shutdown();
executor.awaitTermination(1, TimeUnit.SECONDS);
assertEquals(1, repositoryContents("12", MyTestSaga.class).size());
assertEquals(
2, repositoryContents("12", MyTestSaga.class).iterator().next().getCapturedEvents().size());
}
@Test
public void testCreationPolicy_SagaNotCreated() {
manager.handle(new GenericEventMessage<MiddleEvent>(new MiddleEvent("123")));
assertEquals(0, repositoryContents("123", MyTestSaga.class).size());
}
@Test
public void testHandleUnrelatedEvent() {
manager.handle(new GenericEventMessage("Unrelated"));
verify(sagaRepository, never()).find(any(Class.class), (AssociationValue) isNull());
}
@Test
public void testCreationPolicy_OneAlreadyExists() {
manager.handle(new GenericEventMessage<StartingEvent>(new StartingEvent("123")));
manager.handle(new GenericEventMessage<StartingEvent>(new StartingEvent("123")));
assertEquals(1, repositoryContents("123", MyTestSaga.class).size());
}
@Test
public void testLifeCycle_IgnoredEventDoesNotCreateInstance() {
manager.handle(new GenericEventMessage<StubDomainEvent>(new StubDomainEvent()));
assertEquals(0, repositoryContents("12", MyTestSaga.class).size());
}
@Test
public void testNullAssociationValueDoesNotThrowNullPointer() {
manager.handle(asEventMessage(new StartingEvent(null)));
}