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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Security\Csrf\Tests\TokenGenerator;
use PHPUnit\Framework\TestCase;
use Symfony\Component\Security\Csrf\TokenGenerator\UriSafeTokenGenerator;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class UriSafeTokenGeneratorTest extends TestCase
{
private const ENTROPY = 1000;
/**
* A non alpha-numeric byte string.
*/
private static string $bytes;
private UriSafeTokenGenerator $generator;
public static function setUpBeforeClass(): void
{
self::$bytes = base64_decode('aMf+Tct/RLn2WQ==');
}
protected function setUp(): void
{
$this->generator = new UriSafeTokenGenerator(self::ENTROPY);
}
public function testGenerateToken()
{
$token = $this->generator->generateToken();
$this->assertTrue(ctype_print($token), 'is printable');
$this->assertDoesNotMatchRegularExpression('#.+([+/=]).+#', $token, 'is URI safe');
}
#[\PHPUnit\Framework\Attributes\DataProvider('validDataProvider')]
public function testValidLength(int $entropy, int $length)
{
$generator = new UriSafeTokenGenerator($entropy);
$token = $generator->generateToken();
$this->assertSame($length, \strlen($token));
}
public static function validDataProvider(): \Iterator
{
yield [24, 4];
yield 'Float length' => [20, 3];
}
public function testInvalidLength()
{
$this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('Entropy should be greater than 7.');
new UriSafeTokenGenerator(7);
}
}
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