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<?php
declare(strict_types=1);
/**
* Copyright (c) 2014 Lukas Reschke <lukas@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace Test\Security;
use OC\Security\SecureRandom;
class SecureRandomTest extends \Test\TestCase {
public function stringGenerationProvider() {
return [
[0, 0],
[1, 1],
[128, 128],
[256, 256],
[1024, 1024],
[2048, 2048],
[64000, 64000],
];
}
public static function charCombinations() {
return [
['CHAR_LOWER', '[a-z]'],
['CHAR_UPPER', '[A-Z]'],
['CHAR_DIGITS', '[0-9]'],
];
}
/** @var SecureRandom */
protected $rng;
protected function setUp(): void {
parent::setUp();
$this->rng = new \OC\Security\SecureRandom();
}
/**
* @dataProvider stringGenerationProvider
*/
public function testGetLowStrengthGeneratorLength($length, $expectedLength) {
$generator = $this->rng;
$this->assertEquals($expectedLength, strlen($generator->generate($length)));
}
/**
* @dataProvider stringGenerationProvider
*/
public function testMediumLowStrengthGeneratorLength($length, $expectedLength) {
$generator = $this->rng;
$this->assertEquals($expectedLength, strlen($generator->generate($length)));
}
/**
* @dataProvider stringGenerationProvider
*/
public function testUninitializedGenerate($length, $expectedLength) {
$this->assertEquals($expectedLength, strlen($this->rng->generate($length)));
}
/**
* @dataProvider charCombinations
*/
public function testScheme($charName, $chars) {
$generator = $this->rng;
$scheme = constant('OCP\Security\ISecureRandom::' . $charName);
$randomString = $generator->generate(100, $scheme);
$matchesRegex = preg_match('/^'.$chars.'+$/', $randomString);
$this->assertSame(1, $matchesRegex);
}
}
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