refactor

ngin/internal/util_test.go

@@ -0,0 +1,19 @@
+package internal
+
+import (
+	"net/http"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetRemoteAddr(t *testing.T) {
+	host := "8.8.8.8"
+	r, err := http.NewRequest(http.MethodGet, "/", strings.NewReader(""))
+	assert.Nil(t, err)
+
+	r.Header.Set(xForwardFor, host)
+	assert.Equal(t, host, GetRemoteAddr(r))
+}
+