private async Task <IEnumerable <IDomainEvent> > Load <T>(
Guid sourceId,
int afterVersion,
CancellationToken cancellationToken)
where T : class, IEventSourced
{
string filter = PersistentEvent.GetFilter(typeof(T), sourceId, afterVersion);
var query = new TableQuery <PersistentEvent> {
FilterString = filter
};
IEnumerable <PersistentEvent> events = await _eventTable
.ExecuteQuery(query, cancellationToken)
.ConfigureAwait(false);
return(new List <IDomainEvent>(events
.Select(e => e.EventJson)
.Select(_serializer.Deserialize)
.Cast <IDomainEvent>()));
}
public async Task SaveEvents_inserts_persistent_event_entities_correctly()
{
// Arrange
var fixture = new Fixture();
var user = new FakeUser(Guid.NewGuid(), fixture.Create <string>());
user.ChangeUsername(fixture.Create <string>());
IList <IDomainEvent> domainEvents = user.FlushPendingEvents().ToList();
string operationId = fixture.Create <string>();
var correlationId = Guid.NewGuid();
string contributor = fixture.Create <string>();
// Act
await _sut.SaveEvents <FakeUser>(domainEvents, operationId, correlationId, contributor);
// Assert
string filter = PersistentEvent.GetFilter(typeof(FakeUser), user.Id);
var query = new TableQuery <PersistentEvent> {
FilterString = filter
};
IEnumerable <PersistentEvent> actual = await s_eventTable.ExecuteQuerySegmentedAsync(query, default);
actual.ShouldAllBeEquivalentTo(
from domainEvent in domainEvents
let envelope = new Envelope <IDomainEvent>(
Guid.NewGuid(),
domainEvent,
operationId,
correlationId,
contributor)
select PersistentEvent.Create(typeof(FakeUser), envelope, _serializer),
opts => opts
.Excluding(e => e.MessageId)
.Excluding(e => e.Timestamp)
.Excluding(e => e.ETag)
.WithStrictOrdering());
}
