public void TestBindPull()
{
Context.RunInJsServer(c =>
{
CreateDefaultTestStream(c);
IJetStream js = c.CreateJetStreamContext();
JsPublish(js, SUBJECT, 1, 1);
PullSubscribeOptions pso = PullSubscribeOptions.Builder()
.WithDurable(DURABLE)
.Build();
IJetStreamPullSubscription s = js.PullSubscribe(SUBJECT, pso);
s.Pull(1);
Msg m = s.NextMessage(1000);
Assert.NotNull(m);
Assert.Equal(Data(1), Encoding.ASCII.GetString(m.Data));
m.Ack();
s.Unsubscribe();
JsPublish(js, SUBJECT, 2, 1);
pso = PullSubscribeOptions.Builder()
.WithStream(STREAM)
.WithDurable(DURABLE)
.WithBind(true)
.Build();
s = js.PullSubscribe(SUBJECT, pso);
s.Pull(1);
m = s.NextMessage(1000);
Assert.NotNull(m);
Assert.Equal(Data(2), Encoding.ASCII.GetString(m.Data));
m.Ack();
s.Unsubscribe();
JsPublish(js, SUBJECT, 3, 1);
pso = PullSubscribeOptions.BindTo(STREAM, DURABLE);
s = js.PullSubscribe(SUBJECT, pso);
s.Pull(1);
m = s.NextMessage(1000);
Assert.NotNull(m);
Assert.Equal(Data(3), Encoding.ASCII.GetString(m.Data));
});
}
public void TestBindDurableDeliverSubject()
{
Context.RunInJsServer(c =>
{
CreateDefaultTestStream(c);
IJetStream js = c.CreateJetStreamContext();
IJetStreamManagement jsm = c.CreateJetStreamManagementContext();
// create a durable push subscriber - has deliver subject
ConsumerConfiguration ccDurPush = ConsumerConfiguration.Builder()
.WithDurable(Durable(1))
.WithDeliverSubject(Deliver(1))
.Build();
jsm.AddOrUpdateConsumer(STREAM, ccDurPush);
// create a durable pull subscriber - notice no deliver subject
ConsumerConfiguration ccDurPull = ConsumerConfiguration.Builder()
.WithDurable(Durable(2))
.Build();
jsm.AddOrUpdateConsumer(STREAM, ccDurPull);
// try to pull subscribe against a push durable
NATSJetStreamClientException e = Assert.Throws <NATSJetStreamClientException>(
() => js.PullSubscribe(SUBJECT, PullSubscribeOptions.Builder().WithDurable(Durable(1)).Build()));
Assert.Contains(JsSubConsumerAlreadyConfiguredAsPush.Id, e.Message);
// try to pull bind against a push durable
e = Assert.Throws <NATSJetStreamClientException>(
() => js.PullSubscribe(SUBJECT, PullSubscribeOptions.BindTo(STREAM, Durable(1))));
Assert.Contains(JsSubConsumerAlreadyConfiguredAsPush.Id, e.Message);
// this one is okay
IJetStreamPullSubscription sub = js.PullSubscribe(SUBJECT, PullSubscribeOptions.Builder().WithDurable(Durable(2)).Build());
sub.Unsubscribe(); // so I can re-use the durable
// try to push subscribe against a pull durable
e = Assert.Throws <NATSJetStreamClientException>(
() => js.PushSubscribeSync(SUBJECT, PushSubscribeOptions.Builder().WithDurable(Durable(2)).Build()));
Assert.Contains(JsSubConsumerAlreadyConfiguredAsPull.Id, e.Message);
// try to push bind against a pull durable
e = Assert.Throws <NATSJetStreamClientException>(
() => js.PushSubscribeSync(SUBJECT, PushSubscribeOptions.BindTo(STREAM, Durable(2))));
Assert.Contains(JsSubConsumerAlreadyConfiguredAsPull.Id, e.Message);
// this one is okay
js.PushSubscribeSync(SUBJECT, PushSubscribeOptions.Builder().WithDurable(Durable(1)).Build());
});
}
private void _testDurable(IJetStream js, PullSubSupplier supplier)
{
JsPublish(js, SUBJECT, 2);
IJetStreamPullSubscription sub = supplier.Invoke();
// start the pull
sub.PullNoWait(4);
IList <Msg> messages = ReadMessagesAck(sub);
ValidateRedAndTotal(2, messages.Count, 2, 2);
sub.Unsubscribe();
}
