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<?php
/**
* 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 array(
array(0, 0),
array(1, 1),
array(128, 128),
array(256, 256),
array(1024, 1024),
array(2048, 2048),
array(64000, 64000),
);
}
public static function charCombinations() {
return array(
array('CHAR_LOWER', '[a-z]'),
array('CHAR_UPPER', '[A-Z]'),
array('CHAR_DIGITS', '[0-9]'),
);
}
/** @var SecureRandom */
protected $rng;
protected function setUp() {
parent::setUp();
$this->rng = new \OC\Security\SecureRandom();
}
/**
* @dataProvider stringGenerationProvider
*/
function testGetLowStrengthGeneratorLength($length, $expectedLength) {
$generator = $this->rng;
$this->assertEquals($expectedLength, strlen($generator->generate($length)));
}
/**
* @dataProvider stringGenerationProvider
*/
function testMediumLowStrengthGeneratorLength($length, $expectedLength) {
$generator = $this->rng;
$this->assertEquals($expectedLength, strlen($generator->generate($length)));
}
/**
* @dataProvider stringGenerationProvider
*/
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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