fix: fixed #2945 (#2953)

Co-authored-by: Kevin Wan <wanjunfeng@gmail.com>

rest/engine_test.go

@@ -6,16 +6,40 @@ import (
 	"fmt"
 	"net/http"
 	"net/http/httptest"
+	"os"
 	"sync/atomic"
 	"testing"
 	"time"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/zeromicro/go-zero/core/conf"
+	"github.com/zeromicro/go-zero/core/fs"
 	"github.com/zeromicro/go-zero/core/logx"
 )
 
+const (
+	priKey = `-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----`
+)
+
 func TestNewEngine(t *testing.T) {
+	priKeyfile, err := fs.TempFilenameWithText(priKey)
+	assert.Nil(t, err)
+	defer os.Remove(priKeyfile)
+
 	yamls := []string{
 		`Name: foo
 Host: localhost
@@ -151,6 +175,29 @@ Verbose: true
 				Handler: func(w http.ResponseWriter, r *http.Request) {},
 			}},
 		},
+		{
+			priority: true,
+			jwt: jwtSetting{
+				enabled: true,
+			},
+			signature: signatureSetting{
+				enabled: true,
+				SignatureConf: SignatureConf{
+					Strict: true,
+					PrivateKeys: []PrivateKeyConf{
+						{
+							Fingerprint: "a",
+							KeyFile:     priKeyfile,
+						},
+					},
+				},
+			},
+			routes: []Route{{
+				Method:  http.MethodGet,
+				Path:    "/",
+				Handler: func(w http.ResponseWriter, r *http.Request) {},
+			}},
+		},
 	}
 
 	for _, yaml := range yamls {