public void available_capacity_is_tracked_with_acked_messages()
{
var client1Envelope = new FakeEnvelope();
var client2Envelope = new FakeEnvelope();
var reader = new FakeCheckpointReader();
const string subsctiptionStream = "$ce-streamName";
PersistentSubscriptionParams settings = PersistentSubscriptionToStreamParamsBuilder
.CreateFor(subsctiptionStream, "groupName")
.WithEventLoader(new FakeStreamReader())
.WithCheckpointReader(reader)
.WithCheckpointWriter(new FakeCheckpointWriter(x => { }))
.WithMessageParker(new FakeMessageParker())
.CustomConsumerStrategy(new PinnedPersistentSubscriptionConsumerStrategy(new XXHashUnsafe()))
.StartFromCurrent();
var consumerStrategy = (PinnedPersistentSubscriptionConsumerStrategy)settings.ConsumerStrategy;
var sub = new Core.Services.PersistentSubscription.PersistentSubscription(settings);
reader.Load(null);
var correlationId1 = Guid.NewGuid();
sub.AddClient(correlationId1, Guid.NewGuid(), "connection-1", client1Envelope, 14, "foo", "bar");
Assert.That(consumerStrategy.AvailableCapacity, Is.EqualTo(14));
var correlationId2 = Guid.NewGuid();
sub.AddClient(correlationId2, Guid.NewGuid(), "connection-2", client2Envelope, 10, "foo", "bar");
Assert.That(consumerStrategy.AvailableCapacity, Is.EqualTo(24));
var message1 = Guid.NewGuid();
sub.NotifyLiveSubscriptionMessage(Helper.BuildLinkEvent(message1, subsctiptionStream, 0,
Helper.BuildFakeEvent(Guid.NewGuid(), "type", "streamName-1", 0), false));
Assert.That(consumerStrategy.AvailableCapacity, Is.EqualTo(23));
var message2 = Guid.NewGuid();
sub.NotifyLiveSubscriptionMessage(Helper.BuildLinkEvent(message2, subsctiptionStream, 1,
Helper.BuildFakeEvent(Guid.NewGuid(), "type", "streamName-2", 0), false));
Assert.That(consumerStrategy.AvailableCapacity, Is.EqualTo(22));
sub.AcknowledgeMessagesProcessed(correlationId1, new[] { message1 });
Assert.That(consumerStrategy.AvailableCapacity, Is.EqualTo(23));
sub.AcknowledgeMessagesProcessed(correlationId2, new[] { message2 });
Assert.That(consumerStrategy.AvailableCapacity, Is.EqualTo(24));
}
public void available_capacity_is_tracked()
{
var client1Envelope = new FakeEnvelope();
var client2Envelope = new FakeEnvelope();
var reader = new FakeCheckpointReader();
const string subsctiptionStream = "$ce-streamName";
PersistentSubscriptionParams settings = PersistentSubscriptionToStreamParamsBuilder
.CreateFor(subsctiptionStream, "groupName")
.WithEventLoader(new FakeStreamReader())
.WithCheckpointReader(reader)
.WithCheckpointWriter(new FakeCheckpointWriter(x => { }))
.WithMessageParker(new FakeMessageParker())
.CustomConsumerStrategy(new PinnedPersistentSubscriptionConsumerStrategy(new XXHashUnsafe()))
.StartFromCurrent();
var consumerStrategy = (PinnedPersistentSubscriptionConsumerStrategy)settings.ConsumerStrategy;
var sub = new Core.Services.PersistentSubscription.PersistentSubscription(settings);
reader.Load(null);
var client1Id = Guid.NewGuid();
sub.AddClient(Guid.NewGuid(), client1Id, "connection-1", client1Envelope, 14, "foo", "bar");
Assert.That(consumerStrategy.AvailableCapacity, Is.EqualTo(14));
var client2Id = Guid.NewGuid();
sub.AddClient(Guid.NewGuid(), client2Id, "connection-2", client2Envelope, 10, "foo", "bar");
Assert.That(consumerStrategy.AvailableCapacity, Is.EqualTo(24));
sub.RemoveClientByConnectionId(client2Id);
Assert.That(consumerStrategy.AvailableCapacity, Is.EqualTo(14));
sub.RemoveClientByConnectionId(client1Id);
Assert.That(consumerStrategy.AvailableCapacity, Is.EqualTo(0));
}