fix label == `` #4001

validation/util_test.go

@@ -15,6 +15,7 @@
 package validation
 
 import (
+	"log"
 	"reflect"
 	"testing"
 )
@@ -80,6 +81,28 @@ func TestGetValidFuncs(t *testing.T) {
 	}
 }
 
+type User struct {
+	Name string `valid:"Required;MaxSize(5)" `
+	Sex  string `valid:"Required;" label:"sex_label"`
+	Age  int    `valid:"Required;Range(1, 140);" label:"age_label"`
+}
+
+func TestValidation(t *testing.T) {
+	u := User{"man1238888456", "", 1140}
+	valid := Validation{}
+	b, err := valid.Valid(&u)
+	if err != nil {
+		// handle error
+	}
+	if !b {
+		// validation does not pass
+		// blabla...
+		for _, err := range valid.Errors {
+			log.Println(err.Key, err.Message)
+		}
+	}
+}
+
 func TestCall(t *testing.T) {
 	u := user{Name: "test", Age: 180}
 	tf := reflect.TypeOf(u)