package master_test import ( "fmt" "net" "net/http" "net/rpc" "os" "strconv" "strings" "testing" "time" "github.com/PaddlePaddle/Paddle/go/master" "github.com/PaddlePaddle/recordio" ) func TestNextRecord(t *testing.T) { const ( path = "/tmp/master_client_TestFull" total = 50 ) l, err := net.Listen("tcp", ":0") if err != nil { panic(err) } ss := strings.Split(l.Addr().String(), ":") p, err := strconv.Atoi(ss[len(ss)-1]) if err != nil { panic(err) } go func(l net.Listener) { s, err := master.NewService(&master.InMemStore{}, 10, time.Second, 1) if err != nil { panic(err) } server := rpc.NewServer() err = server.Register(s) if err != nil { panic(err) } mux := http.NewServeMux() mux.Handle(rpc.DefaultRPCPath, server) err = http.Serve(l, mux) if err != nil { panic(err) } }(l) f, err := os.Create(path) if err != nil { panic(err) } w := recordio.NewWriter(f, -1, -1) for i := 0; i < total; i++ { _, err = w.Write([]byte{byte(i)}) if err != nil { panic(err) } } err = w.Close() if err != nil { panic(err) } err = f.Close() if err != nil { panic(err) } curAddr := make(chan string, 1) curAddr <- fmt.Sprintf(":%d", p) c := master.NewClient(curAddr, 10) err = c.SetDataset([]string{path}) if err != nil { panic(err) } for pass := 0; pass < 50; pass++ { received := make(map[byte]bool) for i := 0; i < total; i++ { r, err := c.NextRecord() if err != nil { t.Fatal(pass, i, "Read error:", err) } if len(r) != 1 { t.Fatal(pass, i, "Length should be 1.", r) } if received[r[0]] { t.Fatal(pass, i, "Received duplicate.", received, r) } received[r[0]] = true } } }