diff --git a/binding/default_validator.go b/binding/default_validator.go index e216b854..ac43d7cc 100644 --- a/binding/default_validator.go +++ b/binding/default_validator.go @@ -54,7 +54,10 @@ func (v *defaultValidator) ValidateStruct(obj any) error { value := reflect.ValueOf(obj) switch value.Kind() { case reflect.Ptr: - return v.ValidateStruct(value.Elem().Interface()) + if value.Elem().Kind() != reflect.Struct { + return v.ValidateStruct(value.Elem().Interface()) + } + return v.validateStruct(obj) case reflect.Struct: return v.validateStruct(obj) case reflect.Slice, reflect.Array: diff --git a/binding/validate_test.go b/binding/validate_test.go index 801bd9b7..1fc15ff0 100644 --- a/binding/validate_test.go +++ b/binding/validate_test.go @@ -192,6 +192,30 @@ func TestValidatePrimitives(t *testing.T) { assert.Equal(t, "value", str) } +type structModifyValidation struct { + Integer int +} + +func toZero(sl validator.StructLevel) { + var s *structModifyValidation = sl.Top().Interface().(*structModifyValidation) + s.Integer = 0 +} + +func TestValidateAndModifyStruct(t *testing.T) { + // This validates that pointers to structs are passed to the validator + // giving us the ability to modify the struct being validated. + engine, ok := Validator.Engine().(*validator.Validate) + assert.True(t, ok) + + engine.RegisterStructValidation(toZero, structModifyValidation{}) + + s := structModifyValidation{Integer: 1} + errs := validate(&s) + + assert.Nil(t, errs) + assert.Equal(t, s, structModifyValidation{Integer: 0}) +} + // structCustomValidation is a helper struct we use to check that // custom validation can be registered on it. // The `notone` binding directive is for custom validation and registered later.