public void ShouldThrowExceptionConflictEvents()
{
var rootId = Guid.NewGuid();
var eventBus = new MemoryEventBus(new MemoryResolver());
var appendOnly = new MemoryAppendOnlyStore(eventBus);
var eventStore = new EventStore(appendOnly, eventBus);
var snapShotRepo = new SnapshotRepository();
var factory = new AggregateFactory(eventStore, snapShotRepo);
var productAggregate = factory.Create <ProductCatalogAggregate>(rootId);
productAggregate.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook Acer Aspire 3", "Notebook Acer Aspire 3 A315-53-348W Intel Core i3-6006U RAM de 4GB HD de 1TB Tela de 15.6” HD Windows 10"));
eventStore.AppendToStream <ProductCatalogAggregate>(productAggregate.Id, productAggregate.Version, productAggregate.Changes, productAggregate.DomainEvents.ToArray());
var user1 = factory.Load <ProductCatalogAggregate>(rootId);
var user2 = factory.Load <ProductCatalogAggregate>(rootId);
user1.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook Asus Vivobook", "Notebook Asus Vivobook X441B-CBA6A de 14 Con AMD A6-9225/4GB Ram/500GB HD/W10"));
eventStore.AppendToStream <ProductCatalogAggregate>(user1.Id, user1.Version, user1.Changes, user1.DomainEvents.ToArray());
user2.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook 2 em 1 Dell", "Notebook 2 em 1 Dell Inspiron i14-5481-M11F 8ª Geração Intel Core i3 4GB 128GB SSD 14' Touch Windows 10 Office 365 McAfe"));
Assert.Throws <EventStoreConcurrencyException>(()
=> eventStore.AppendToStream <ProductCatalogAggregate>(user2.Id, user2.Version, user2.Changes, user2.DomainEvents.ToArray())
);
}
public void ShouldCreateMultiplesSnapshots()
{
var rootId = Guid.NewGuid();
var eventBus = new MemoryEventBus();
var appendOnly = new MemoryAppendOnlyStore(eventBus);
var eventStore = new EventStore(appendOnly);
var snapShotRepo = new SnapshotRepository();
var factory = new AggregateFactory(eventStore, snapShotRepo);
var productAggregate = factory.Create <ProductCatalogAggregate>(rootId);
productAggregate.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook Acer Aspire 3", "Notebook Acer Aspire 3 A315-53-348W Intel Core i3-6006U RAM de 4GB HD de 1TB Tela de 15.6” HD Windows 10"));
eventStore.AppendToStream <ProductCatalogAggregate>(productAggregate.Id, productAggregate.Version, productAggregate.Changes);
var stream = eventStore.LoadEventStream(rootId);
snapShotRepo.SaveSnapshot(rootId, productAggregate, stream.Version);
productAggregate = factory.Load <ProductCatalogAggregate>(rootId);
productAggregate.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook Asus Vivobook", "Notebook Asus Vivobook X441B-CBA6A de 14 Con AMD A6-9225/4GB Ram/500GB HD/W10"));
eventStore.AppendToStream <ProductCatalogAggregate>(productAggregate.Id, productAggregate.Version, productAggregate.Changes);
stream = eventStore.LoadEventStream(rootId);
snapShotRepo.SaveSnapshot(rootId, productAggregate, stream.Version);
productAggregate = factory.Load <ProductCatalogAggregate>(rootId);
productAggregate.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook 2 em 1 Dell", "Notebook 2 em 1 Dell Inspiron i14-5481-M11F 8ª Geração Intel Core i3 4GB 128GB SSD 14' Touch Windows 10 Office 365 McAfe"));
eventStore.AppendToStream <ProductCatalogAggregate>(productAggregate.Id, productAggregate.Version, productAggregate.Changes);
stream = eventStore.LoadEventStream(rootId);
snapShotRepo.SaveSnapshot(rootId, productAggregate, stream.Version);
productAggregate = factory.Load <ProductCatalogAggregate>(rootId);
productAggregate.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook Gamer Dell", "Notebook Gamer Dell G3-3590-M60P 9ª Geração Intel Core i7 8GB 512GB SSD Placa Vídeo NVIDIA 1660Ti 15.6' Windows 10"));
eventStore.AppendToStream <ProductCatalogAggregate>(productAggregate.Id, productAggregate.Version, productAggregate.Changes);
stream = eventStore.LoadEventStream(rootId);
snapShotRepo.SaveSnapshot(rootId, productAggregate, stream.Version);
productAggregate = factory.Load <ProductCatalogAggregate>(rootId);
productAggregate.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook Lenovo 2 em 1 ideapad C340", "Notebook Lenovo 2 em 1 ideapad C340 i7-8565U 8GB 256GB SSD Win10 14' FHD IPS - 81RL0001BR"));
eventStore.AppendToStream <ProductCatalogAggregate>(productAggregate.Id, productAggregate.Version, productAggregate.Changes);
stream = eventStore.LoadEventStream(rootId);
snapShotRepo.SaveSnapshot(rootId, productAggregate, stream.Version);
var aggregateReloadedFromSnapshot = factory.Load <ProductCatalogAggregate>(rootId);
ProductCatalogAggregate root;
long snapshotVersion = 0;
var snap = snapShotRepo.TryGetSnapshotById(rootId, out root, out snapshotVersion);
stream = eventStore.LoadEventStreamAfterVersion(rootId, snapshotVersion);
Assert.True(snap);
Assert.True(root != null);
Assert.True(snapshotVersion == 6);
Assert.True(stream.Events.Count == 0);
Assert.True(aggregateReloadedFromSnapshot.Changes.Count == 0);
Assert.True(aggregateReloadedFromSnapshot.Id == rootId);
Assert.True(aggregateReloadedFromSnapshot.CountProducts() == 5);
}
public void ShouldIncreaseVersionCorrectly()
{
var eventBus = new MemoryEventBus(new MemoryResolver());
var appendOnly = new MemoryAppendOnlyStore(eventBus);
var eventStore = new EventStore(appendOnly, eventBus);
var rootId = Guid.NewGuid();
var factory = new AggregateFactory(eventStore);
var root = factory.Create <ProductCatalogAggregate>(rootId);
eventStore.AppendToStream <ProductCatalogAggregate>(root.Id, root.Version, root.Changes, root.DomainEvents.ToArray());
root = factory.Load <ProductCatalogAggregate>(rootId);
root.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook", "Dell Inspiron 15000"));
root.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook Asus Vivobook", "Notebook Asus Vivobook X441B-CBA6A de 14 Con AMD A6-9225/4GB Ram/500GB HD/W10"));
root.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook 2 em 1 Dell", "Notebook 2 em 1 Dell Inspiron i14-5481-M11F 8ª Geração Intel Core i3 4GB 128GB SSD 14' Touch Windows 10 Office 365 McAfe"));
eventStore.AppendToStream <ProductCatalogAggregate>(root.Id, root.Version, root.Changes, root.DomainEvents.ToArray());
root = factory.Load <ProductCatalogAggregate>(rootId);
Assert.True(4 == root.Version);
}
public Result <object> When(CreateProductCommand cmd)
{
while (true)
{
var productCatalog = _factory.Load <ProductCatalogAggregate>(cmd.RootId);
productCatalog.CreateProduct(cmd);
try
{
_eventStore.AppendToStream <ProductCatalogAggregate>(cmd.RootId, productCatalog.Version,
productCatalog.Changes);
return(new Result <object>(null, new List <Exception>()));
}
catch (EventStoreConcurrencyException ex)
{
HandleConcurrencyException(ex, productCatalog);
}
catch (Exception)
{
throw;
}
}
}
public CommandEvent When(CreateProductCommand cmd)
{
var productCatalog = _factory.Load <ProductCatalogAggregate>(cmd.RootId);
productCatalog.CreateProduct(cmd);
try
{
_eventStore.AppendToStream <ProductCatalogAggregate>(cmd.RootId, productCatalog.Version,
productCatalog.Changes, productCatalog.DomainEvents.ToArray());
//_publisher.Publish(arry<IDomainEvent> event)
return(new CommandEvent(OperationStatus.Success));
}
catch (EventStoreConcurrencyException ex)
{
HandleConcurrencyException(ex, productCatalog);
return(new CommandEvent(OperationStatus.Success));
}
catch (Exception)
{
throw;
}
}
public void ShouldAggregateLoadStream()
{
var rootId = Guid.NewGuid();
var queueService = new MemoryQueueService();
var appendOnly = new MemoryAppendOnlyStore(queueService);
var eventStore = new EventStore(appendOnly);
var factory = new AggregateFactory(eventStore);
var rootToSave = factory.Create <ProductCatalogAggregate>(rootId);
eventStore.AppendToStream <ProductCatalogAggregate>(rootToSave.Id, 1, rootToSave.Changes);
var root = factory.Load <ProductCatalogAggregate>(rootId);
Assert.True(0 == root.Changes.Count);
Assert.Equal(rootId, root.Id);
}
public void ShouldAggregateLoadStream()
{
var rootId = Guid.NewGuid();
var eventBus = new MemoryEventBus(new MemoryResolver());
var appendOnly = new MemoryAppendOnlyStore(eventBus);
var eventStore = new EventStore(appendOnly, eventBus);
var factory = new AggregateFactory(eventStore);
var rootToSave = factory.Create <ProductCatalogAggregate>(rootId);
eventStore.AppendToStream <ProductCatalogAggregate>(rootToSave.Id, 1, rootToSave.Changes, rootToSave.DomainEvents.ToArray());
var root = factory.Load <ProductCatalogAggregate>(rootId);
Assert.True(0 == root.Changes.Count);
Assert.Equal(rootId, root.Id);
}
public void ShouldAddProductToProductCatalog()
{
var rootId = Guid.NewGuid();
var queueService = new MemoryQueueService();
var appendOnly = new MemoryAppendOnlyStore(queueService);
var eventStore = new EventStore(appendOnly);
var factory = new AggregateFactory(eventStore);
var rootToSave = factory.Create <ProductCatalogAggregate>(rootId);
eventStore.AppendToStream <ProductCatalogAggregate>(rootToSave.Id, rootToSave.Version, rootToSave.Changes);
var root = factory.Load <ProductCatalogAggregate>(rootId);
root.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook", "Dell Inspiron 15000"));
Assert.True(root.Changes.Count == 1);
Assert.True(root.Changes.ElementAt(0).GetType() == typeof(ProductCreated));
}