public async Task Should_subscribe_on_start()
{
var sut = new PollingSubscription(eventStore, eventNotifier, eventSubscriber, "^my-stream", position);
await WaitAndStopAsync(sut);
A.CallTo(() => eventStore.GetEventsAsync(A <Func <StoredEvent, Task> > .Ignored, A <CancellationToken> .Ignored, "^my-stream", position))
.MustHaveHappened(Repeated.Exactly.Once);
}
public async Task Should_propagate_aggregate_operation_cancelled_exception_to_subscriber()
{
var ex = new AggregateException(new OperationCanceledException());
A.CallTo(() => eventStore.GetEventsAsync(A <Func <StoredEvent, Task> > .Ignored, A <CancellationToken> .Ignored, "^my-stream", position))
.Throws(ex);
var sut = new PollingSubscription(eventStore, eventNotifier, eventSubscriber, "^my-stream", position);
await WaitAndStopAsync(sut);
A.CallTo(() => eventSubscriber.OnErrorAsync(sut, ex))
.MustNotHaveHappened();
}
private async Task WaitAndStopAsync(PollingSubscription sut)
{
await Task.Delay(200);
await sut.StopAsync();
}