revert changes

tools/goctl/rpc/generator/gen_test.go

@@ -1,11 +1,9 @@
 package generator
 
 import (
-	"fmt"
 	"go/build"
 	"os"
 	"path/filepath"
-	"runtime"
 	"strings"
 	"testing"
 
@@ -15,7 +13,6 @@ import (
 	"github.com/tal-tech/go-zero/core/stringx"
 	conf "github.com/tal-tech/go-zero/tools/goctl/config"
 	"github.com/tal-tech/go-zero/tools/goctl/rpc/execx"
-	"github.com/tal-tech/go-zero/tools/goctl/util/env"
 )
 
 var cfg = &conf.Config{
@@ -25,7 +22,7 @@ var cfg = &conf.Config{
 func TestRpcGenerate(t *testing.T) {
 	_ = Clean()
 	dispatcher := NewDefaultGenerator()
-	err := prepare()
+	err := dispatcher.Prepare()
 	if err != nil {
 		logx.Error(err)
 		return
@@ -92,16 +89,3 @@ func TestRpcGenerate(t *testing.T) {
 		}
 	})
 }
-
-func prepare() error {
-	if !env.CanExec() {
-		return fmt.Errorf("%s: can not start new processes using os.StartProcess or exec.Command", runtime.GOOS)
-	}
-	if _, err := env.LookUpGo(); err != nil {
-		return err
-	}
-	if _, err := env.LookUpProtoc(); err != nil {
-		return err
-	}
-	return nil
-}