bug: port repeat use when run test(#149)

cmd/client/app.go

@@ -0,0 +1,39 @@
+package client
+
+import "github.com/desertbit/grumble"
+
+func Register(app *grumble.App) {
+	app.AddCommand(&grumble.Command{
+		Name: "put",
+		Help: "put data",
+		Run:  putData,
+		Args: func(a *grumble.Args) {
+			a.String("key", "key", grumble.Default(""))
+			a.String("value", "value", grumble.Default(""))
+		},
+	})
+
+	app.AddCommand(&grumble.Command{
+		Name: "get",
+		Help: "get data",
+		Run:  getData,
+		Args: func(a *grumble.Args) {
+			a.String("key", "key", grumble.Default(""))
+		},
+	})
+
+	app.AddCommand(&grumble.Command{
+		Name: "delete",
+		Help: "delete key",
+		Run:  deleteKey,
+		Args: func(a *grumble.Args) {
+			a.String("key", "key", grumble.Default(""))
+		},
+	})
+
+	app.AddCommand(&grumble.Command{
+		Name: "keys",
+		Help: "list keys",
+		Run:  getKeys,
+	})
+}

engine/db.go

@@ -560,7 +560,8 @@ func (db *DB) loadIndexFromDataFiles() error {
 func (db *DB) startGrpcServer() {
 	listener, err := net.Listen("tcp", db.options.Addr)
 	if err != nil {
-		panic(err)
+		_ = fmt.Errorf("tcp listen error: %v", err)
+		return
 	}
 	server := grpc.NewServer()
 	grpc_health_v1.RegisterHealthServer(server, health.NewServer())