// Copyright 2024, 2025 The Forgejo Authors. All rights reserved.// SPDX-License-Identifier: MIT package validation import (	"testing" 	"forgejo.org/modules/timeutil" 	ap "github.com/go-ap/activitypub"	"github.com/stretchr/testify/assert") type Sut struct {	valid bool} func (sut Sut) Validate() []string {	if sut.valid {		return []string{}	}	return []string{"invalid"}} func Test_IsValid(t *testing.T) {	sut := Sut{valid: true}	if res, _ := IsValid(sut); !res {		t.Errorf("sut expected to be valid: %v\n", sut.Validate())	}	sut = Sut{valid: false}	res, err := IsValid(sut)	if res {		t.Errorf("sut expected to be invalid: %v\n", sut.Validate())	}	if err == nil || !IsErrNotValid(err) || err.Error() != "Validation Error: validation.Sut: invalid" {		t.Errorf("validation error expected, but was %v", err)	}} func Test_ValidateNotEmpty_ForString(t *testing.T) {	sut := ""	res := ValidateNotEmpty(sut, "dummyField")	assert.Len(t, res, 1) 	sut = "not empty"	res = ValidateNotEmpty(sut, "dummyField")	assert.Empty(t, res, 0)} func Test_ValidateNotEmpty_ForTimestamp(t *testing.T) {	sut := timeutil.TimeStamp(0)	res := ValidateNotEmpty(sut, "dummyField")	assert.Len(t, res, 1) 	sut = timeutil.TimeStampNow()	res = ValidateNotEmpty(sut, "dummyField")	assert.Empty(t, res, 0)} func Test_ValidateIDExists_ForItem(t *testing.T) {	sut := ap.Activity{		Object: nil,	}	res := ValidateIDExists(sut.Object, "dummyField")	assert.Len(t, res, 1) 	sut = ap.Activity{		Object: ap.IRI(""),	}	res = ValidateIDExists(sut.Object, "dummyField")	assert.Len(t, res, 1) 	sut = ap.Activity{		Object: ap.IRI("https://dummy.link/id"),	}	res = ValidateIDExists(sut.Object, "dummyField")	assert.Empty(t, res, 0)} func Test_ValidateMaxLen(t *testing.T) {	sut := "0123456789"	res := ValidateMaxLen(sut, 9, "dummyField")	assert.Len(t, res, 1) 	sut = "0123456789"	res = ValidateMaxLen(sut, 11, "dummyField")	assert.Empty(t, res, 0)}