Example #1
0
func startNATSServer(context *cli.Context) (e *stand.StanServer, err error) {
	eventsURL, err := url.Parse(context.GlobalString("events-address"))
	if err != nil {
		return nil, err
	}

	no := stand.DefaultNatsServerOptions
	nOpts := &no
	nOpts.NoSigs = true
	parts := strings.Split(eventsURL.Host, ":")
	nOpts.Host = parts[0]
	if len(parts) == 2 {
		nOpts.Port, err = strconv.Atoi(parts[1])
	} else {
		nOpts.Port = nats.DefaultPort
	}
	defer func() {
		if r := recover(); r != nil {
			e = nil
			if _, ok := r.(error); !ok {
				err = fmt.Errorf("failed to start NATS server: %v", r)
			} else {
				err = r.(error)
			}
		}
	}()
	s := stand.RunServerWithOpts(nil, nOpts)

	return s, nil
}
Example #2
0
func TestMaxChannels(t *testing.T) {
	// Set a small number of max channels
	opts := server.GetDefaultOptions()
	opts.ID = clusterName
	opts.MaxChannels = 10

	// Run a NATS Streaming server
	s := server.RunServerWithOpts(opts, nil)
	defer s.Shutdown()

	sc := NewDefaultConnection(t)
	defer sc.Close()

	hw := []byte("Hello World")
	var subject string

	// These all should work fine
	for i := 0; i < opts.MaxChannels; i++ {
		subject = fmt.Sprintf("CHAN-%d", i)
		sc.PublishAsync(subject, hw, nil)
	}
	// This one should error
	if err := sc.Publish("CHAN_MAX", hw); err == nil {
		t.Fatalf("Expected an error signalling too many channels\n")
	}
}