diff --git a/internal/app/app.wa.go b/internal/app/app.wa.go
index 2b3700a5602d1df9bbb73405a397378ea135c9c7..e24d381531b35d21ab435a3c4623620b3608c5ce 100644
--- a/internal/app/app.wa.go
+++ b/internal/app/app.wa.go
@@ -184,6 +184,26 @@ func (p *App) InitApp(name, pkgpath string, update bool) error {
 	return nil
 }
 
+func (p *App) RunTest(path string) error {
+	if path == "" {
+		path, _ = os.Getwd()
+	}
+
+	if strings.HasSuffix(path, "...") {
+		panic("TODO: test dir/...")
+	}
+
+	fi, err := os.Lstat(path)
+	if err != nil {
+		return err
+	}
+	if !fi.IsDir() {
+		panic("TODO: test path must be dir")
+	}
+
+	panic("todo")
+}
+
 func (p *App) Fmt(path string) error {
 	if path == "" {
 		path, _ = os.Getwd()
diff --git a/main.go b/main.go
index 09756c5bc6afa80703beac2c1213f4db33879dcd..f04a205f0266a4eff9b507e5ce3a3ef55389112f 100644
--- a/main.go
+++ b/main.go
@@ -341,7 +341,12 @@ func main() {
 			Name:   "test",
 			Usage:  "test packages",
 			Action: func(c *cli.Context) error {
-				fmt.Println("TODO")
+				waApp := app.NewApp(build_Options(c))
+				err := waApp.RunTest(c.Args().First())
+				if err != nil {
+					fmt.Println(err)
+					os.Exit(1)
+				}
 				return nil
 			},
 		},