breadcrumb-the-shire/tests/Service/Auth/AuthCryptoGatewayTest.php

<?php

namespace MintyPHP\Tests\Service\Auth;

use MintyPHP\Service\Auth\AuthCryptoGateway;
use PHPUnit\Framework\TestCase;

final class AuthCryptoGatewayTest extends TestCase
{
    private AuthCryptoGateway $gateway;

    protected function setUp(): void
    {
        if (!defined('APP_CRYPTO_KEY')) {
            define('APP_CRYPTO_KEY', str_repeat('ab', 32));
        }

        $this->gateway = new AuthCryptoGateway();
    }

    public function testIsConfiguredReturnsTrueWhenKeyIsSet(): void
    {
        self::assertTrue($this->gateway->isConfigured());
    }

    public function testEncryptDecryptDelegatesToCrypto(): void
    {
        $plaintext = 'auth-secret';
        $encrypted = $this->gateway->encryptString($plaintext);

        self::assertNotSame($plaintext, $encrypted);
        self::assertSame($plaintext, $this->gateway->decryptString($encrypted));
    }
}