public void explicit_nak_with_park_correctly_tracks_the_available_client_slots()
{
var envelope1 = new FakeEnvelope();
var reader = new FakeCheckpointReader();
var parker = new FakeMessageParker();
var sub = new Core.Services.PersistentSubscription.PersistentSubscription(
PersistentSubscriptionParamsBuilder.CreateFor("streamName", "groupName")
.WithEventLoader(new FakeStreamReader(x => { }))
.WithCheckpointReader(reader)
.WithCheckpointWriter(new FakeCheckpointWriter(i => { }))
.WithMessageParker(parker)
.WithMaxRetriesOf(0)
.WithMessageTimeoutOf(TimeSpan.Zero)
.StartFromBeginning());
reader.Load(null);
var corrid = Guid.NewGuid();
sub.AddClient(corrid, Guid.NewGuid(), envelope1, 1, "foo", "bar");
var id1 = Guid.NewGuid();
var id2 = Guid.NewGuid();
sub.HandleReadCompleted(new[]
{
Helper.BuildFakeEvent(id1, "type", "streamName", 0),
Helper.BuildFakeEvent(id2, "type", "streamName", 1),
Helper.BuildFakeEvent(Guid.NewGuid(), "type", "streamName", 2)
}, 1, false);
Assert.AreEqual(1, envelope1.Replies.Count);
sub.NotAcknowledgeMessagesProcessed(corrid, new[] { id1 }, NakAction.Park, "a reason from client.");
Assert.AreEqual(2, envelope1.Replies.Count);
sub.NotAcknowledgeMessagesProcessed(corrid, new[] { id2 }, NakAction.Park, "a reason from client.");
Assert.AreEqual(3, envelope1.Replies.Count);
}
public void timeout_park_correctly_tracks_the_available_client_slots()
{
var envelope1 = new FakeEnvelope();
var reader = new FakeCheckpointReader();
var parker = new FakeMessageParker();
var sub = new Core.Services.PersistentSubscription.PersistentSubscription(
PersistentSubscriptionParamsBuilder.CreateFor("streamName", "groupName")
.WithEventLoader(new FakeStreamReader(x => { }))
.WithCheckpointReader(reader)
.WithCheckpointWriter(new FakeCheckpointWriter(i => { }))
.WithMessageParker(parker)
.WithMaxRetriesOf(0)
.WithMessageTimeoutOf(TimeSpan.Zero)
.StartFromBeginning());
reader.Load(null);
sub.AddClient(Guid.NewGuid(), Guid.NewGuid(), envelope1, 2, "foo", "bar");
sub.HandleReadCompleted(new[]
{
Helper.BuildFakeEvent(Guid.NewGuid(), "type", "streamName", 0),
Helper.BuildFakeEvent(Guid.NewGuid(), "type", "streamName", 1)
}, 1, false);
Assert.AreEqual(2, envelope1.Replies.Count);
// Should expire first 2 and send to park.
sub.NotifyClockTick(DateTime.Now.AddSeconds(1));
parker.ParkMessageCompleted(0, OperationResult.Success);
parker.ParkMessageCompleted(1, OperationResult.Success);
Assert.AreEqual(2, parker.ParkedEvents.Count);
// The next 2 should still be sent to client.
sub.HandleReadCompleted(new[]
{
Helper.BuildFakeEvent(Guid.NewGuid(), "type", "streamName", 0),
Helper.BuildFakeEvent(Guid.NewGuid(), "type", "streamName", 1)
}, 1, false);
Assert.AreEqual(4, envelope1.Replies.Count);
}
public void explicit_nak_with_retry_retries_the_message()
{
var envelope1 = new FakeEnvelope();
var reader = new FakeCheckpointReader();
var parker = new FakeMessageParker();
var sub = new Core.Services.PersistentSubscription.PersistentSubscription(
PersistentSubscriptionParamsBuilder.CreateFor("streamName", "groupName")
.WithEventLoader(new FakeStreamReader(x => { }))
.WithCheckpointReader(reader)
.WithCheckpointWriter(new FakeCheckpointWriter(i => { }))
.WithMessageParker(parker)
.StartFromBeginning());
reader.Load(null);
var corrid = Guid.NewGuid();
sub.AddClient(corrid, Guid.NewGuid(), envelope1, 10, "foo", "bar");
var id1 = Guid.NewGuid();
sub.HandleReadCompleted(new[]
{
Helper.BuildFakeEvent(id1, "type", "streamName", 0),
}, 1, false);
envelope1.Replies.Clear();
sub.NotAcknowledgeMessagesProcessed(corrid, new[] { id1 }, NakAction.Retry, "a reason from client.");
Assert.AreEqual(1, envelope1.Replies.Count);
Assert.AreEqual(id1, ((ClientMessage.PersistentSubscriptionStreamEventAppeared)envelope1.Replies[0]).Event.Event.EventId);
Assert.AreEqual(0, parker.ParkedEvents.Count);
}
public void multiple_messages_get_timed_out_and_parked_after_max_retry_count()
{
var envelope1 = new FakeEnvelope();
var reader = new FakeCheckpointReader();
var parker = new FakeMessageParker();
var sub = new Core.Services.PersistentSubscription.PersistentSubscription(
PersistentSubscriptionParamsBuilder.CreateFor("streamName", "groupName")
.WithEventLoader(new FakeStreamReader(x => { }))
.WithCheckpointReader(reader)
.WithCheckpointWriter(new FakeCheckpointWriter(i => { }))
.WithMessageParker(parker)
.PreferDispatchToSingle()
.StartFromBeginning()
.WithMaxRetriesOf(0)
.WithMessageTimeoutOf(TimeSpan.FromSeconds(1)));
reader.Load(null);
sub.AddClient(Guid.NewGuid(), Guid.NewGuid(), envelope1, 10, "foo", "bar");
var id1 = Guid.NewGuid();
var id2 = Guid.NewGuid();
sub.HandleReadCompleted(new[]
{
Helper.BuildFakeEvent(id1, "type", "streamName", 0),
Helper.BuildFakeEvent(id2, "type", "streamName", 1),
}, 1, false);
envelope1.Replies.Clear();
sub.NotifyClockTick(DateTime.Now.AddSeconds(3));
Assert.AreEqual(0, envelope1.Replies.Count);
Assert.AreEqual(2, parker.ParkedEvents.Count);
Assert.IsTrue(id1 == parker.ParkedEvents[0].OriginalEvent.EventId ||
id1 == parker.ParkedEvents[1].OriginalEvent.EventId);
Assert.IsTrue(id2 == parker.ParkedEvents[0].OriginalEvent.EventId ||
id2 == parker.ParkedEvents[1].OriginalEvent.EventId);
}
public void with_no_timeouts_to_happen_no_timeouts_happen()
{
var envelope1 = new FakeEnvelope();
var reader = new FakeCheckpointReader();
var parker = new FakeMessageParker();
var sub = new Core.Services.PersistentSubscription.PersistentSubscription(
PersistentSubscriptionParamsBuilder.CreateFor("streamName", "groupName")
.WithEventLoader(new FakeStreamReader(x => { }))
.WithCheckpointReader(reader)
.WithCheckpointWriter(new FakeCheckpointWriter(i => { }))
.WithMessageParker(parker)
.PreferDispatchToSingle()
.StartFromBeginning()
.WithMessageTimeoutOf(TimeSpan.FromSeconds(3)));
reader.Load(null);
sub.AddClient(Guid.NewGuid(), Guid.NewGuid(), envelope1, 10, "foo", "bar");
var id1 = Guid.NewGuid();
var id2 = Guid.NewGuid();
sub.HandleReadCompleted(new[]
{
Helper.BuildFakeEvent(id1, "type", "streamName", 0),
Helper.BuildFakeEvent(id2, "type", "streamName", 1)
}, 1, false);
envelope1.Replies.Clear();
sub.NotifyClockTick(DateTime.Now.AddSeconds(1));
Assert.AreEqual(0, envelope1.Replies.Count);
Assert.AreEqual(0, parker.ParkedEvents.Count);
}
public void explicit_nak_with_retry_correctly_tracks_the_available_client_slots()
{
var envelope1 = new FakeEnvelope();
var reader = new FakeCheckpointReader();
var parker = new FakeMessageParker();
var sub = new Core.Services.PersistentSubscription.PersistentSubscription(
PersistentSubscriptionParamsBuilder.CreateFor("streamName", "groupName")
.WithEventLoader(new FakeStreamReader(x => { }))
.WithCheckpointReader(reader)
.WithCheckpointWriter(new FakeCheckpointWriter(i => { }))
.WithMaxRetriesOf(10)
.WithMessageParker(parker)
.StartFromBeginning());
reader.Load(null);
var corrid = Guid.NewGuid();
sub.AddClient(corrid, Guid.NewGuid(), envelope1, 10, "foo", "bar");
var id1 = Guid.NewGuid();
var ev = Helper.BuildFakeEvent(id1, "type", "streamName", 0);
sub.HandleReadCompleted(new[]
{
ev,
}, 1, false);
for (int i = 1; i < 11; i++)
{
sub.NotAcknowledgeMessagesProcessed(corrid, new[] { id1 }, NakAction.Retry, "a reason from client.");
Assert.AreEqual(i + 1, envelope1.Replies.Count);
}
Assert.That(parker.ParkedEvents, Has.No.Member(ev));
//This time should be parked
sub.NotAcknowledgeMessagesProcessed(corrid, new[] { id1 }, NakAction.Retry, "a reason from client.");
Assert.AreEqual(11, envelope1.Replies.Count);
Assert.That(parker.ParkedEvents, Has.Member(ev));
}
public void messages_dont_get_retried_when_acked_on_synchronous_reads()
{
var reader = new FakeCheckpointReader();
var parker = new FakeMessageParker();
var sub = new Core.Services.PersistentSubscription.PersistentSubscription(
PersistentSubscriptionParamsBuilder.CreateFor("streamName", "groupName")
.WithEventLoader(new FakeStreamReader(x => { }))
.WithCheckpointReader(reader)
.WithCheckpointWriter(new FakeCheckpointWriter(i => { }))
.WithMessageParker(parker)
.PreferDispatchToSingle()
.StartFromBeginning()
.WithMessageTimeoutOf(TimeSpan.FromSeconds(1)));
reader.Load(null);
var id1 = Guid.NewGuid();
var id2 = Guid.NewGuid();
sub.HandleReadCompleted(new[]
{
Helper.BuildFakeEvent(id1, "type", "streamName", 0),
Helper.BuildFakeEvent(id2, "type", "streamName", 1)
}, 1, false);
sub.GetNextNOrLessMessages(2).ToArray();
sub.AcknowledgeMessagesProcessed(Guid.Empty, new[] { id1, id2 });
sub.NotifyClockTick(DateTime.Now.AddSeconds(3));
var retries = sub.GetNextNOrLessMessages(2).ToArray();
Assert.AreEqual(0, retries.Length);
Assert.AreEqual(0, parker.ParkedEvents.Count);
}
public void messages_get_timed_out_and_resent_to_clients()
{
var envelope1 = new FakeEnvelope();
var reader = new FakeCheckpointReader();
var parker = new FakeMessageParker();
var sub = new Core.Services.PersistentSubscription.PersistentSubscription(
PersistentSubscriptionParamsBuilder.CreateFor("streamName", "groupName")
.WithEventLoader(new FakeStreamReader(x => { }))
.WithCheckpointReader(reader)
.WithCheckpointWriter(new FakeCheckpointWriter(i => { }))
.WithMessageParker(parker)
.PreferDispatchToSingle()
.StartFromBeginning()
.WithMessageTimeoutOf(TimeSpan.FromSeconds(1)));
reader.Load(null);
sub.AddClient(Guid.NewGuid(), Guid.NewGuid(), envelope1, 1, "foo", "bar");
sub.AddClient(Guid.NewGuid(), Guid.NewGuid(), envelope1, 1, "foo", "bar");
var id1 = Guid.NewGuid();
var id2 = Guid.NewGuid();
sub.HandleReadCompleted(new[]
{
Helper.BuildFakeEvent(id1, "type", "streamName", 0),
Helper.BuildLinkEvent(id2, "streamName", 1, Helper.BuildFakeEvent(Guid.NewGuid(), "type", "streamSource", 0))
}, 1, false);
envelope1.Replies.Clear();
sub.NotifyClockTick(DateTime.UtcNow.AddSeconds(3));
Assert.AreEqual(2, envelope1.Replies.Count);
var msg1 = (Messages.ClientMessage.PersistentSubscriptionStreamEventAppeared)envelope1.Replies[0];
var msg2 = (Messages.ClientMessage.PersistentSubscriptionStreamEventAppeared)envelope1.Replies[1];
Assert.IsTrue(id1 == msg1.Event.OriginalEvent.EventId || id1 == msg2.Event.OriginalEvent.EventId);
Assert.IsTrue(id2 == msg1.Event.OriginalEvent.EventId || id2 == msg2.Event.OriginalEvent.EventId);
Assert.AreEqual(0, parker.ParkedEvents.Count);
}
