public void Writer_replies_inconsistency_message_on_duplicated_request()
{
var store = MockProjectionStore.ThrowsOnWrite(new DuplicatedEntryException());
var writer = CreateWriter(store);
writer.Tell(new ProjectionIndexPersistenceRequest("a", 1, 1));
ExpectMsg <ProjectionIndexInconsistencyDetected>();
}
IActorRef CreateWriter(IProjectionStoreWriter writer = null, TimeSpan?flushDelay = null)
{
writer = writer ?? MockProjectionStore.SuccessfulWriter();
var delay = flushDelay ?? TimeSpan.FromMilliseconds(10);
var props = ProjectionIndexWriter.CreateProps(writer, new GlobalOptions {
IndexWriterFlushDelay = delay
});
return(Sys.ActorOf(props));
}
public void Writer_does_not_reply_on_unexpected_exceptions()
{
// in case of unexpected exceptions, like connection issues
// the way to handle is to let the projection detect inconsistencies when the write works
// and rebuild the index if needed, so we don't expect any error messages
var store = MockProjectionStore.ThrowsOnWrite(new Exception());
var writer = CreateWriter(store);
writer.Tell(new ProjectionIndexPersistenceRequest("a", 1, 1));
ExpectNoMsg(TimeSpan.FromSeconds(1));
}
public async Task Writer_buffers_requests_before_writing()
{
var store = MockProjectionStore.SuccessfulWriter();
store.WriteProjectionIndexAsync(null, 0, null).ReturnsForAnyArgs(Unit.GetCompletedTask());
var writer = CreateWriter(store);
writer.Tell(new ProjectionIndexPersistenceRequest("a", 1, 10));
writer.Tell(new ProjectionIndexPersistenceRequest("a", 2, 20));
writer.Tell(new ProjectionIndexPersistenceRequest("a", 3, 30));
await Task.Delay(200);
var calls = store.ReceivedCalls().ToList();
var expectedSequences = new long[] { 10, 20, 30 };
#pragma warning disable 4014
store.Received().WriteProjectionIndexAsync("a", 0, Arg.Is <IReadOnlyCollection <long> >(l => l.SequenceEqual(expectedSequences)));
#pragma warning restore 4014
}
