public void Should_Invoke_Registered_Domain_Event_Handler()
{
TestDomainEventHandler handler = new TestDomainEventHandler(_testOutput);
IEventSourcedAggregateRepository <TestAggregate, Guid> repository = Factory.CreateTestAggregateRepository(reg =>
{
reg.Register <TestAggregateCreatedEvent>(() => handler);
reg.Register <OperationExecutedEvent>(() => handler);
});
TestAggregate aggregate = new TestAggregate(Guid.NewGuid());
aggregate.ExecuteSomeOperation("Test Operation");
repository.Save(aggregate);
// Event may not have yet been handled in background.
Thread.Sleep(1000);
// Aggregate should be stored.
TestAggregate storedAggregate = repository.GetById(aggregate.Id);
Assert.Equal(aggregate.Id, storedAggregate.Id);
// Aggregate should have 2 events.
// 1. TestAggregateCreated
// 2. TestAggregateModified
Assert.Equal(2, handler.HandledEvents.Count);
Assert.Contains(handler.HandledEvents, (e) => e is TestAggregateCreatedEvent);
Assert.Contains(handler.HandledEvents, (e) => e is OperationExecutedEvent);
}
public async Task GetDomainEventStreamAsync_Should_Retrieve_Aggregate_Stream()
{
IDomainEventAsyncStore <TestAggregate, Guid> eventStore = Factory.CreateEventAsyncStore <TestAggregate, Guid>();
// Create and modify aggregate.
TestAggregate aggregate = new TestAggregate(Guid.NewGuid());
aggregate.ExecuteSomeOperation("I was modified!~");
await eventStore.SaveAsync(aggregate);
IDomainEventStream <Guid> stream = await eventStore.GetDomainEventStreamAsync(aggregate.Id);
Assert.NotNull(stream);
Assert.Equal(aggregate.Id, stream.AggregateId);
// 2 domain events in total: Created + Modified events.
Assert.Equal(2, stream.DomainEventCount);
// Stream starts from version 1 to 2.
Assert.Equal(1, stream.BeginVersion);
Assert.Equal(2, stream.EndVersion);
}
