Function TestPublishWithScheduleCron

jetstream/test/publish_test.go:2187–2249

(t *testing.T)

}

func TestPublishWithScheduleCron(t *testing.T) {
	srv := RunBasicJetStreamServer()
	defer shutdownJSServerAndRemoveStorage(t, srv)
	nc, err := nats.Connect(srv.ClientURL())
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	defer nc.Close()

	js, err := jetstream.New(nc)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()
	stream, err := js.CreateStream(ctx, jetstream.StreamConfig{
		Name:              "SCHED",
		Subjects:          []string{"schedule.>", "target.>"},
		AllowMsgSchedules: true,
	})
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	t.Run("6-field cron", func(t *testing.T) {
		ack, err := js.Publish(ctx, "schedule.cron1", nil,
			jetstream.WithScheduleCron("0 30 * * * *"),
			jetstream.WithScheduleTarget("target.cron1"),
		)
		if err != nil {
			t.Fatalf("Unexpected error: %v", err)
		}

		// check if correct headers are set
		gotMsg, err := stream.GetMsg(ctx, ack.Sequence)
		if err != nil {
			t.Fatalf("Unexpected error: %v", err)
		}
		if got := gotMsg.Header.Get(jetstream.ScheduleHeader); got != "0 30 * * * *" {
			t.Fatalf("Expected schedule header %q; got: %q", "0 30 * * * *", got)
		}
	})

	t.Run("predefined schedule", func(t *testing.T) {
		ack, err := js.Publish(ctx, "schedule.cron2", nil,
			jetstream.WithScheduleCron(jetstream.ScheduleHourly),
			jetstream.WithScheduleTarget("target.cron2"),
		)
		if err != nil {
			t.Fatalf("Unexpected error: %v", err)
		}

		// check if correct headers are set
		gotMsg, err := stream.GetMsg(ctx, ack.Sequence)
		if err != nil {
			t.Fatalf("Unexpected error: %v", err)
		}