public EventBatchProducerTests()
{
dateTimeProvider = Substitute.For <IDateTimeProvider>();
nameProvider = Substitute.For <IEventNameProvider>();
eventIdProvider = Substitute.For <IEventIdProvider>();
expectedName = "event-name";
expectedTimestamp = DateTimeOffset.Now;
metadata = new StreamMetadata(
"id",
"pk",
"streamId",
1,
StreamState.Active,
expectedTimestamp.AddDays(-1));
options = new StreamWriteOptions
{
CausationId = "A",
CorrelationId = "B",
};
@event = new Fixture().Create <TestEvent>();
expectedEventId = new Fixture().Create <string>();
dateTimeProvider
.GetDateTime()
.Returns(expectedTimestamp);
nameProvider
.GetName(default)
public ValueTask <CommandResult> WriteEventAsync(
TCommand command,
IReadOnlyCollection <object> events,
CancellationToken cancellationToken)
{
var id = command.GetEventStreamId();
var version = (StreamVersion?)command.RequiredVersion ?? StreamVersion.Any;
var streamOptions = new StreamWriteOptions
{
CausationId = command.CommandId,
CorrelationId = command.CorrelationId,
};
return(WriteToEventStoreAsync(
id.Value,
version,
streamOptions,
events,
GetRetries(command),
cancellationToken));
}
private async ValueTask <CommandResult> WriteToEventStoreAsync(
StreamId id,
StreamVersion version,
StreamWriteOptions options,
IReadOnlyCollection <object> events,
int reties,
CancellationToken cancellationToken)
{
try
{
var response = await eventStore
.WriteToStreamAsync(
id,
events,
version,
options,
cancellationToken)
.ConfigureAwait(false);
return(new CommandResult(id, response.Version, ResultType.Changed));
}
catch (StreamWriteConflictException)
{
if (reties > 0)
{
return(await WriteToEventStoreAsync(
id,
version,
options,
events,
reties - 1,
cancellationToken)
.ConfigureAwait(false));
}
throw;
}
}
public void When_disabled()
{
var entity = new TestEntity(EntityRowKey, "*");
var insert = Include.Insert(entity);
var replace = Include.Replace(entity);
EventData[] events =
{
CreateEvent(insert),
CreateEvent(replace)
};
var options = new StreamWriteOptions {
TrackChanges = false
};
Assert.ThrowsAsync <StorageException>(() => Stream.WriteAsync(stream, options, events),
"Should fail since there conflicting operations");
var stored = RetrieveTestEntity(entity.RowKey);
Assert.That(stored, Is.Null, "Should not insert entity due to ETG failure");
}
