public async Task should_batch_multiple_subscription_requests()
{
AddInvoker <FakeRoutableCommand>(shouldBeSubscribedOnStartup: false);
var subscriptions = new List <SubscriptionsForType>();
_directoryMock.CaptureEnumerable((IBus)_bus, (x, bus, items) => x.UpdateSubscriptionsAsync(bus, items), subscriptions);
_bus.Start();
var batch = new SubscriptionRequestBatch();
var requestA = new SubscriptionRequest(new[]
{
Subscription.ByExample(x => new FakeRoutableCommand(1, "foo")),
Subscription.ByExample(x => new FakeRoutableCommand(1, "bar"))
});
var requestB = new SubscriptionRequest(new[]
{
Subscription.ByExample(x => new FakeRoutableCommand(1, "bar")),
Subscription.ByExample(x => new FakeRoutableCommand(1, "baz"))
});
requestA.AddToBatch(batch);
requestB.AddToBatch(batch);
var taskA = _bus.SubscribeAsync(requestA);
var taskB = _bus.SubscribeAsync(requestB);
subscriptions.ShouldBeEmpty();
await batch.SubmitAsync();
await Task.WhenAll(taskA, taskB);
subscriptions.ExpectedSingle()
.ShouldEqual(new SubscriptionsForType(
MessageUtil.TypeId <FakeRoutableCommand>(),
new BindingKey("1", "foo", "*"),
new BindingKey("1", "bar", "*"),
new BindingKey("1", "baz", "*")
)
);
subscriptions.Clear();
taskA.Result.Dispose();
await _bus.WhenUnsubscribeCompletedAsync();
subscriptions.ExpectedSingle()
.ShouldEqual(new SubscriptionsForType(
MessageUtil.TypeId <FakeRoutableCommand>(),
new BindingKey("1", "bar", "*"),
new BindingKey("1", "baz", "*")
)
);
}
public void should_throw_when_batch_is_sent_after_bus_is_stopped()
{
AddInvoker <FakeCommand>(shouldBeSubscribedOnStartup: false);
var batch = new SubscriptionRequestBatch();
var request = new SubscriptionRequest(Subscription.Any <FakeCommand>());
request.AddToBatch(batch);
_bus.Start();
var _ = _bus.SubscribeAsync(request);
_bus.Stop();
var submitTask = batch.SubmitAsync();
Assert.Throws <AggregateException>(() => submitTask.Wait()).InnerExceptions.ExpectedSingle().ShouldBe <InvalidOperationException>();
}
public void empty_batch_should_not_block()
{
var batch = new SubscriptionRequestBatch();
batch.SubmitAsync().IsCompleted.ShouldBeTrue();
}