func testHappyPath(t *testing.T, proto thrift.TProtocolFactory, buffered, framed bool) {
options := nats.DefaultOptions
options.Servers = []string{fmt.Sprintf("nats://localhost:%d", port)}
serverConn, err := options.Connect()
if err != nil {
t.Fatal("Failed to connect to gnatsd", err)
}
defer serverConn.Close()
clientConn, err := options.Connect()
if err != nil {
t.Fatal("Failed to connect to gnatsd", err)
}
defer clientConn.Close()
var transportFactory thrift.TTransportFactory
if buffered {
transportFactory = thrift.NewTBufferedTransportFactory(8192)
} else {
transportFactory = thrift.NewTTransportFactory()
}
if framed {
transportFactory = thrift.NewTFramedTransportFactory(transportFactory)
}
processor := tutorial.NewCalculatorProcessor(NewCalculatorHandler())
server := thrift_nats.NewNATSServer(serverConn, subject, -1, -1, processor,
transportFactory, proto)
wait := make(chan bool)
go func() {
wait <- true
if err := server.Serve(); err != nil {
t.Fatal("Failed to start thrift server", err)
}
}()
<-wait
defer server.Stop()
// Give the server a chance to start.
time.Sleep(500 * time.Millisecond)
transport, err := thrift_nats.NATSTransportFactory(clientConn, subject, time.Second, -1)
if err != nil {
t.Fatal("Failed to create NATS transport", err)
}
transport = transportFactory.GetTransport(transport)
if err := transport.Open(); err != nil {
t.Fatal("Failed to open transport", err)
}
defer transport.Close()
client := tutorial.NewCalculatorClientFactory(transport, proto)
if err := client.Ping(); err != nil {
t.Fatal("Ping failed", err)
}
if err := client.Zip(); err != nil {
t.Fatal("Zip failed", err)
}
sum, err := client.Add(1, 1)
if err != nil {
t.Fatal("Sum failed", err)
}
if sum != 2 {
t.Fatalf("Expected Sum result 2, got %d", sum)
}
work := tutorial.NewWork()
work.Op = tutorial.Operation_DIVIDE
work.Num1 = 8
work.Num2 = 4
quotient, err := client.Calculate(1, work)
if err != nil {
t.Fatal("Calculate failed", err)
}
if sum != 2 {
t.Fatalf("Expected Calculate result 4, got %d", quotient)
}
work.Op = tutorial.Operation_DIVIDE
work.Num1 = 1
work.Num2 = 0
_, err = client.Calculate(2, work)
switch v := err.(type) {
case *tutorial.InvalidOperation:
break
default:
t.Fatalf("Expected Calculate to return InvalidOperation, got %s", v)
}
log, err := client.GetStruct(1)
if err != nil {
t.Fatal("GetStruct failed", err)
}
if log.Value != "2" {
t.Fatalf("Expected struct value `2`, got `%s`", log.Value)
}
log, err = client.GetStruct(2)
if err != nil {
t.Fatal("GetStruct failed", err)
}
if log != nil {
t.Fatalf("Expected nil struct, got `%s`", log)
}
}
func main() {
flag.Usage = Usage
var host string
var port int
var protocol string
var urlString string
var framed bool
var useHttp bool
var parsedUrl url.URL
var trans thrift.TTransport
_ = strconv.Atoi
_ = math.Abs
flag.Usage = Usage
flag.StringVar(&host, "h", "localhost", "Specify host and port")
flag.IntVar(&port, "p", 9090, "Specify port")
flag.StringVar(&protocol, "P", "binary", "Specify the protocol (binary, compact, simplejson, json)")
flag.StringVar(&urlString, "u", "", "Specify the url")
flag.BoolVar(&framed, "framed", false, "Use framed transport")
flag.BoolVar(&useHttp, "http", false, "Use http")
flag.Parse()
if len(urlString) > 0 {
parsedUrl, err := url.Parse(urlString)
if err != nil {
fmt.Fprintln(os.Stderr, "Error parsing URL: ", err)
flag.Usage()
}
host = parsedUrl.Host
useHttp = len(parsedUrl.Scheme) <= 0 || parsedUrl.Scheme == "http"
} else if useHttp {
_, err := url.Parse(fmt.Sprint("http://", host, ":", port))
if err != nil {
fmt.Fprintln(os.Stderr, "Error parsing URL: ", err)
flag.Usage()
}
}
cmd := flag.Arg(0)
var err error
if useHttp {
trans, err = thrift.NewTHttpClient(parsedUrl.String())
} else {
portStr := fmt.Sprint(port)
if strings.Contains(host, ":") {
host, portStr, err = net.SplitHostPort(host)
if err != nil {
fmt.Fprintln(os.Stderr, "error with host:", err)
os.Exit(1)
}
}
trans, err = thrift.NewTSocket(net.JoinHostPort(host, portStr))
if err != nil {
fmt.Fprintln(os.Stderr, "error resolving address:", err)
os.Exit(1)
}
if framed {
trans = thrift.NewTFramedTransport(trans)
}
}
if err != nil {
fmt.Fprintln(os.Stderr, "Error creating transport", err)
os.Exit(1)
}
defer trans.Close()
var protocolFactory thrift.TProtocolFactory
switch protocol {
case "compact":
protocolFactory = thrift.NewTCompactProtocolFactory()
break
case "simplejson":
protocolFactory = thrift.NewTSimpleJSONProtocolFactory()
break
case "json":
protocolFactory = thrift.NewTJSONProtocolFactory()
break
case "binary", "":
protocolFactory = thrift.NewTBinaryProtocolFactoryDefault()
break
default:
fmt.Fprintln(os.Stderr, "Invalid protocol specified: ", protocol)
Usage()
os.Exit(1)
}
client := tutorial.NewCalculatorClientFactory(trans, protocolFactory)
if err := trans.Open(); err != nil {
fmt.Fprintln(os.Stderr, "Error opening socket to ", host, ":", port, " ", err)
os.Exit(1)
}
switch cmd {
case "ping":
if flag.NArg()-1 != 0 {
fmt.Fprintln(os.Stderr, "Ping requires 0 args")
flag.Usage()
}
fmt.Print(client.Ping())
fmt.Print("\n")
break
case "add":
if flag.NArg()-1 != 2 {
fmt.Fprintln(os.Stderr, "Add requires 2 args")
flag.Usage()
}
tmp0, err7 := (strconv.Atoi(flag.Arg(1)))
if err7 != nil {
Usage()
return
}
argvalue0 := int32(tmp0)
value0 := argvalue0
tmp1, err8 := (strconv.Atoi(flag.Arg(2)))
if err8 != nil {
Usage()
return
}
argvalue1 := int32(tmp1)
value1 := argvalue1
fmt.Print(client.Add(value0, value1))
fmt.Print("\n")
break
case "calculate":
if flag.NArg()-1 != 2 {
fmt.Fprintln(os.Stderr, "Calculate requires 2 args")
flag.Usage()
}
tmp0, err9 := (strconv.Atoi(flag.Arg(1)))
if err9 != nil {
Usage()
return
}
argvalue0 := int32(tmp0)
value0 := argvalue0
arg10 := flag.Arg(2)
mbTrans11 := thrift.NewTMemoryBufferLen(len(arg10))
defer mbTrans11.Close()
_, err12 := mbTrans11.WriteString(arg10)
if err12 != nil {
Usage()
return
}
factory13 := thrift.NewTSimpleJSONProtocolFactory()
jsProt14 := factory13.GetProtocol(mbTrans11)
argvalue1 := tutorial.NewWork()
err15 := argvalue1.Read(jsProt14)
if err15 != nil {
Usage()
return
}
value1 := argvalue1
fmt.Print(client.Calculate(value0, value1))
fmt.Print("\n")
break
case "zip":
if flag.NArg()-1 != 0 {
fmt.Fprintln(os.Stderr, "Zip requires 0 args")
flag.Usage()
}
fmt.Print(client.Zip())
fmt.Print("\n")
break
case "getStruct":
if flag.NArg()-1 != 1 {
fmt.Fprintln(os.Stderr, "GetStruct requires 1 args")
flag.Usage()
}
tmp0, err16 := (strconv.Atoi(flag.Arg(1)))
if err16 != nil {
Usage()
return
}
argvalue0 := int32(tmp0)
value0 := argvalue0
fmt.Print(client.GetStruct(value0))
fmt.Print("\n")
break
case "":
Usage()
break
default:
fmt.Fprintln(os.Stderr, "Invalid function ", cmd)
}
}
