public void ShouldComposeSnapshotOfExactNumberOfEvents()
{
// ARRANGE
var eventRepository = new SqliteEventRepository(_connectionString);
var snapshotRepository = new SqliteSnapshotEventRepository(_connectionString);
var factory = new DefaultAggregateFactory();
var aggregateStore = new AggregateRepository(eventRepository, factory, snapshotRepository);
// Create a test aggregate.
var aggregateId = CombGuid.Generate();
var aggregate = aggregateStore.GetById <IncrementingAggregate>(aggregateId);
var snapshotSize = aggregate.SnapshotSize;
var numberOfTestEvents = 2 * snapshotSize + 1;
// Send test events to the aggregate.
Enumerable.Range(1, numberOfTestEvents)
.ToList()
.ForEach(x => aggregate.Tell(new IncrementingAggregate.Increment()));
// ACT
var orderedEvents = aggregateStore.Save(aggregate);
var snapshotVersion = snapshotRepository.GetVersionByAggregateId(aggregateId);
var snapshotOffer = (SnapshotOffer)snapshotRepository
.GetSnapshotEventByAggregateIdAndVersion(aggregateId, snapshotVersion ?? 0);
var newAggregate = aggregateStore.GetById <IncrementingAggregate>(aggregateId);
var newState = newAggregate.Ask <int>(new IncrementingAggregate.GetValue());
// ASSERT
Assert.AreEqual(numberOfTestEvents, orderedEvents.Length);
Assert.AreEqual(numberOfTestEvents - 1, snapshotOffer.Version);
Assert.AreEqual(numberOfTestEvents - 1, snapshotOffer.State);
Assert.AreEqual(numberOfTestEvents, newState);
}
public void ShouldSuccesfullyPersistAndHydrateEventsFromAggregate()
{
// ARRANGE
var testAggregate = new TestAggregate(Guid.NewGuid());
var connectionString = "Data Source=localhost;Initial Catalog=vanda-db-dev;Integrated Security=True;Connect Timeout=15;Encrypt=False;TrustServerCertificate=True;ApplicationIntent=ReadWrite;MultiSubnetFailover=False";
var sqlEventsRepository = new SqlServerEventRepository(connectionString);
var aggregateFactory = new DefaultAggregateFactory();
var repository = new AggregateRepository(sqlEventsRepository, aggregateFactory);
// ACT
testAggregate.PublishTestEvent();
repository.Save(testAggregate);
var hydratedTestAggregate = repository.GetById <TestAggregate>(testAggregate.Id);
// ASSERT
Assert.AreEqual(testAggregate.Id, hydratedTestAggregate.Id);
Assert.AreEqual(testAggregate.Version, hydratedTestAggregate.Version);
Assert.AreEqual(testAggregate.State, hydratedTestAggregate.State);
}
