func TestNewMarketConnectorNewOrderRequest(t *testing.T) {
//config
sc := common.NewConfig()
sc.MessageBusURL = "nats://localhost:22222"
sc.DatabaseDriver = "memstore"
//start MC
svc := NewMarketConnector(sc)
svc.Start()
time.Sleep(100 * time.Millisecond)
// mock a NewOrderRequest, really should come from OrderRouter
request := &proto.NewOrderRequest{
Order: testOrder.MockOrder(),
}
request.Order.OrderStatus = proto.OrderStatus_ORDER_RECEIVED
request.Order.SubmitDatetime = time.Now().UTC().Format(time.RFC3339Nano)
request.Order.MessageType = proto.Order_NEW
request.Order.OrderKey = int32(321)
svc.app.OrderStore.OrderCreate(request.Order)
// subscribe to check if we can receive a fill execution report from sim broker
recvExecutionReport := false
svc.app.MessageBus.Subscribe("order.Execution", func(m *messagebus.Msg) {
recvExecutionReport = true
exec := new(proto.Execution)
if err := exec.Unmarshal(m.Data); err == nil {
if exec.ClientOrderId != "321.1" {
t.Fatalf("unexpected execution report ClOrdId %v, expecting 321.1", exec.ClientOrderId)
}
if exec.OrderId != 1 {
t.Fatalf("unexpected execution report OrderId %v, expecting 1", exec.OrderId)
}
} else {
t.Fatalf("unexpected execution report: %v", err)
}
})
// send above mock NewOrderRequest
data, _ := request.Marshal()
svc.app.MessageBus.Publish("order.NewOrderRequest.MC."+MarketConnectorName, data)
time.Sleep(100 * time.Millisecond)
//stop and disconnect MC
svc.Close()
if recvExecutionReport == false {
t.Fatal("No execution report received from mock order new request")
}
}
func TestMain(m *testing.M) {
// Start a temporary messaging broker
ts := test.RunDefaultServer()
defer ts.Shutdown()
// Start OrderRouter service
orSC := orderrouter.NewConfig()
orSC.MessageBusURL = "nats://localhost:22222"
orSC.ServiceMessageBusURL = "nats://localhost:22222"
orSC.DatabaseDriver = "memstore"
orSvc := orderrouter.NewOrderRouter(orSC)
orSvc.Start()
defer orSvc.Close()
// Start Simulated FIX Sell Side
sellsvc := sellsidesim.NewSellSideSimulator("")
sellsvc.Start()
defer sellsvc.Close()
// Start a MarketConnector Service for simuilated market
// 1. MC (implementation)
mcSC := MCCommon.NewConfig()
mcSC.MessageBusURL = "nats://localhost:22222"
mcSC.DatabaseDriver = "memstore"
mcSvc := MCSimulator.NewMarketConnector(mcSC)
mcSvc.Start()
defer mcSvc.Close()
// 2. Service (heartbeating etc)
sc := service.NewConfig()
sc.MessageBusURL = "nats://localhost:22222"
sc.ServiceName = "MC." + mcSvc.Name()
svc := service.NewService(sc)
svc.Start()
defer svc.Stop()
// Turn off logging to measure performance
logger.Discard()
time.Sleep(100 * time.Millisecond) // async
// Connect messaging bus for this mock client
if nc, err := nats.Connect("nats://localhost:22222"); err != nil {
log.Fatal("error: Cannot connect to message bus")
} else {
msgbus = nc
}
code := m.Run()
os.Exit(code)
}
func TestNewMarketConnectorStartAndStop(t *testing.T) {
//config
sc := common.NewConfig()
sc.MessageBusURL = "nats://localhost:22222"
sc.DatabaseDriver = "memstore"
//start MC
svc := NewMarketConnector(sc)
svc.Start()
//stop and disconnect MC
time.Sleep(100 * time.Millisecond)
svc.Close()
//expect no panic
}
func main() {
// Load configurations
// Initialise Service Infrastructure
sc := service.NewConfig()
sc.ServiceName = "Simulator"
svc := service.NewService(sc)
// Initialise Component
orc := common.NewConfig()
orc.MessageBusURL = sc.MessageBusURL
// Initialise Database Connection
orc.DatabaseDriver = "memstore"
orsvc := simulator.NewMarketConnector(orc)
orsvc.Start()
defer orsvc.Close()
// Go
<-svc.Start()
}