add some util funcs

validation/util_test.go

@@ -0,0 +1,58 @@
+package validation
+
+import (
+	"reflect"
+	"testing"
+)
+
+type user struct {
+	Id   int
+	Tag  string `valid:"Maxx(aa)"`
+	Name string `valid:"Required"`
+	Age  int    `valid:"Required;Range(1, 140)"`
+}
+
+func TestGetValidFuncs(t *testing.T) {
+	u := user{Name: "test", Age: 1}
+	tf := reflect.TypeOf(u)
+	var vfs []ValidFunc
+	var err error
+
+	f, _ := tf.FieldByName("Id")
+	if vfs, err = getValidFuncs(f); err != nil {
+		t.Fatal(err)
+	}
+	if len(vfs) != 0 {
+		t.Fatal("should get none ValidFunc")
+	}
+
+	f, _ = tf.FieldByName("Tag")
+	if vfs, err = getValidFuncs(f); err.Error() != "doesn't exsits Maxx valid function" {
+		t.Fatal(err)
+	}
+
+	f, _ = tf.FieldByName("Name")
+	if vfs, err = getValidFuncs(f); err != nil {
+		t.Fatal(err)
+	}
+	if len(vfs) != 1 {
+		t.Fatal("should get 1 ValidFunc")
+	}
+	if vfs[0].Name != "Required" && len(vfs[0].Params) != 0 {
+		t.Error("Required funcs should be got")
+	}
+
+	f, _ = tf.FieldByName("Age")
+	if vfs, err = getValidFuncs(f); err != nil {
+		t.Fatal(err)
+	}
+	if len(vfs) != 2 {
+		t.Fatal("should get 2 ValidFunc")
+	}
+	if vfs[0].Name != "Required" && len(vfs[0].Params) != 0 {
+		t.Error("Required funcs should be got")
+	}
+	if vfs[1].Name != "Range" && len(vfs[1].Params) != 2 {
+		t.Error("Range funcs should be got")
+	}
+}