public async Task ExistingEventsAreLoadedAndProcessedOnStart()
{
var existingEvent = new TestAggregateCreatedEvent(new Guid("b166fbb3-b7f9-49d2-8a61-0b4df5fff561"), "Test1");
A.CallTo(() => _persistenceClient.Retrieve(typeof(TestAggregateCreatedEvent)))
.Returns(new IEvent[] { existingEvent });
var reader = new TestAggregateReader(_persistenceClient, _streamingClient);
await reader.StartAsync();
var aggregates = reader.Get();
Assert.AreEqual(1, aggregates.Length);
var actualAggregate = aggregates[0];
Assert.AreEqual(existingEvent.AggregateId, actualAggregate.Id);
Assert.AreEqual(existingEvent.Foo, actualAggregate.Foo);
}
public async Task WhenSavingNewEventUsesVersionOfAggregateAsExpectedVersion()
{
var createdEvent = new TestAggregateCreatedEvent(new Guid("b166fbb3-b7f9-49d2-8a61-0b4df5fff561"), "Test1_Initial");
var updatedEvent = new TestAggregateUpdatedEvent(new Guid("b166fbb3-b7f9-49d2-8a61-0b4df5fff561"), "Test1_Updated");
A.CallTo(() => _persistenceClient.Retrieve(typeof(TestAggregateCreatedEvent)))
.Returns(new IEvent[] { createdEvent });
A.CallTo(() => _persistenceClient.Retrieve(typeof(TestAggregateUpdatedEvent)))
.Returns(new IEvent[] { updatedEvent });
var writer = new TestAggregateWriter(_persistenceClient, _streamingClient);
await writer.StartAsync();
var newUpdatedEvent = new TestAggregateUpdatedEvent(new Guid("b166fbb3-b7f9-49d2-8a61-0b4df5fff561"), "Test1_Updated_SecondTime");
await writer.Save(newUpdatedEvent);
A.CallTo(() => _persistenceClient.Save(
"TestAggregateRoot_b166fbb3-b7f9-49d2-8a61-0b4df5fff561",
1,
A <IEvent> .Ignored))
.MustHaveHappenedOnceExactly();
}
private async Task <List <IEvent> > RetrievePersistedEvents()
{
var retrievedEvents = await Task.WhenAll(
SubscribedEventTypes
.Select(async nameToTypeMapping =>
{
var type = nameToTypeMapping.Value;
return(await _eventPersistenceClient.Retrieve(type));
}));
return(retrievedEvents
.SelectMany(y => y)
.ToList());
}
