public void Returns_event_after_emitting()
{
var content = Fake.Strings.Random();
var id = EventId.New();
var seq = Sequence.First;
var sut = NewSut();
var ev = sut.Emit(content, id, seq);
ev.Id.Should().Be(id);
ev.Content.Should().Be(content);
ev.Sequence.Should().Be(seq);
sut.Sequence.Should().Be(seq);
}
private static UncommittedEventStream BuildFrom(VersionedEventSource version, DateTimeOffset committed, CorrelationId correlationId, IEnumerable <IEvent> events)
{
var envelopes = new List <EventEnvelope>();
VersionedEventSource vsn = null;
events.ForEach(e =>
{
vsn = vsn == null ? version : new VersionedEventSource(vsn.Version.NextSequence(), vsn.EventSource, vsn.Artifact);
envelopes.Add(e.ToEnvelope(BuildEventMetadata(EventId.New(), vsn, e.ToArtifact().Initial(), correlationId, committed)));
});
if (envelopes == null || !envelopes.Any())
{
throw new ApplicationException("There are no envelopes");
}
return(BuildStreamFrom(envelopes.ToEventStream()));
}
static EventStream BuildEventStreamFrom(VersionedEventSource version, DateTimeOffset committed, CorrelationId correlationId, IEnumerable <IEvent> events)
{
var envelopes = new List <EventEnvelope>();
VersionedEventSource vsn = null;
events.ForEach(e =>
{
vsn = vsn == null ? version : new VersionedEventSource(vsn.Version.NextSequence(), new EventSourceKey(vsn.EventSource, vsn.Artifact));
var envelope = e.ToEnvelope(BuildEventMetadata(EventId.New(), vsn, e is SimpleEvent ? Artifacts.artifact_for_simple_event : Artifacts.artifact_for_another_event, correlationId, DateTimeOffset.UtcNow));
envelopes.Add(envelope);
});
if (envelopes?.Any() != true)
{
throw new ApplicationException("There are no envelopes");
}
return(EventStream.From(envelopes));
}
/// <summary>
/// Injects an event
/// </summary>
public void InjectEvent(TenantId tenant, EventSourceId eventSourceId, IEvent @event)
{
_logger.Information($"Injecting event!");
_executionContextManager.CurrentFor(tenant);
var executionContext = _executionContextManager.Current;
using (var eventStore = _getEventStore())
{
var artifact = _artifactTypeMap.GetArtifactFor(@event.GetType());
var eventSourceKey = new EventSourceKey(eventSourceId, artifact.Id);
var version = eventStore.GetNextVersionFor(eventSourceKey);
var uncommittedEventStream = new UncommittedEventStream(
CommitId.New(),
executionContext.CorrelationId,
new VersionedEventSource(version, eventSourceKey),
DateTimeOffset.Now,
EventStream.From(new [] {
new EventEnvelope(
new EventMetadata(
EventId.New(),
new VersionedEventSource(version, eventSourceKey),
executionContext.CorrelationId,
artifact,
DateTimeOffset.Now,
executionContext
),
@event.ToPropertyBag()
)
})
);
_logger.Information("Commit events to store");
var committedEventStream = eventStore.Commit(uncommittedEventStream);
_logger.Information("Process committed events");
_processingHub.Process(committedEventStream);
}
}
public AnotherSimpleEvent(string contents, int count)
: this(EventId.New(), contents, count)
{
}
public static EventEnvelope ToNewEnvelope(this EventEnvelope envelope, VersionedEventSource versionedEventSource, DateTimeOffset committed, CorrelationId correlationId)
{
return(new EventEnvelope(new EventMetadata(EventId.New(), versionedEventSource, correlationId, envelope.Metadata.Artifact, committed, envelope.Metadata.OriginalContext), envelope.Event));
}
internal static Event Single(EventId?id = null, int sequenceSeed = 0) => Event.New(Strings.Random(), id ?? EventId.New(), sequenceSeed == 0 ? Sequence.First : Sequence.First.Add(sequenceSeed));
public static CommittedEvent build_committed_event(VersionedEventSource versionedEventSource, IEvent @event, CommittedEventVersion version)
{
var metadata = new EventMetadata(EventId.New(), versionedEventSource, CorrelationId.New(), new Artifact(ArtifactId.New(), 1), DateTime.UtcNow, GetOriginalContext());
return(new CommittedEvent(version, metadata, @event));
}
public void Generates_non_empty_guid_equivalents_by_default()
{
(EventId.New() != Guid.Empty).Should().BeTrue();
(EventId.New() == Guid.Empty).Should().BeFalse();
((Guid)EventId.New()).Should().NotBeEmpty();
}
UncommittedEventStream BuildFrom(VersionedEventSource version, CorrelationId correlationId, DateTimeOffset committed, IEnumerable <VersionedEvent> events)
{
var envelopes = events.Select(e => e.Event.ToEnvelope(BuildEventMetadata(e.Event, EventId.New(), ToVersionedEventSource(e, version.EventSource, version.Artifact), correlationId, committed))).ToList();
if (envelopes == null || !envelopes.Any())
{
throw new ApplicationException("There are no envelopes");
}
return(BuildStreamFrom(EventStream.From(envelopes)));
}