yoomoney_api-2.5.2/vendor/yoomoney/yookassa-sdk-php/tests/Helpers/UUIDTest.php

<?php

namespace Tests\YooKassa\Helpers;

use PHPUnit\Framework\TestCase;
use YooKassa\Helpers\UUID;

class UUIDTest extends TestCase
{
    public function testValidUuid()
    {
        $uuidPattern = '/^[0-9A-F]{8}-[0-9A-F]{4}-4[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i';
        self::assertTrue(preg_match($uuidPattern, UUID::v4())  === 1);
    }
}