PhpSpreadsheet/tests/PhpSpreadsheetTests/Worksheet/ProtectionTest.php

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<?php
namespace PhpOffice\PhpSpreadsheetTests\Worksheet;
use PhpOffice\PhpSpreadsheet\Worksheet\Protection;
use PHPUnit\Framework\TestCase;
class ProtectionTest extends TestCase
{
public function testVerifyPassword(): void
{
$protection = new Protection();
self::assertTrue($protection->verify('foo'), 'non-protected always pass');
$protection->setSheet(true);
self::assertFalse($protection->verify('foo'), 'protected will fail');
$protection->setPassword('foo', true);
self::assertSame('foo', $protection->getPassword(), 'was not stored as-is, without hashing');
self::assertFalse($protection->verify('foo'), 'setting already hashed password will not match');
$protection->setPassword('foo');
self::assertSame('CC40', $protection->getPassword(), 'was hashed');
self::assertTrue($protection->verify('foo'), 'setting non-hashed password will hash it and not match');
$protection->setAlgorithm(Protection::ALGORITHM_MD5);
self::assertFalse($protection->verify('foo'), 'changing algorithm will not match anymore');
$protection->setPassword('foo');
$hash1 = $protection->getPassword();
$protection->setPassword('foo');
$hash2 = $protection->getPassword();
self::assertSame(24, mb_strlen($hash1));
self::assertSame(24, mb_strlen($hash2));
self::assertNotSame($hash1, $hash2, 'was hashed with automatic salt');
self::assertTrue($protection->verify('foo'), 'setting password again, will hash with proper algorithm and will match');
}
}