lithium\tests\cases\util\StringTest::testHash PHP Метод

    public function testHash()
    {
        $salt = 'Salt and pepper';
        $value = 'Lithium rocks!';
        $expected = sha1($value);
        $result = String::hash($value, array('type' => 'sha1'));
        $this->assertEqual($expected, $result);
        $result = String::hash($value, array('type' => 'sha1') + compact('salt'));
        $this->assertEqual(sha1($salt . $value), $result);
        $this->assertEqual(md5($value), String::hash($value, array('type' => 'md5')));
        $result = String::hash($value, array('type' => 'md5') + compact('salt'));
        $this->assertEqual(md5($salt . $value), $result);
        $sha256 = function ($value) {
            if (function_exists('mhash')) {
                return bin2hex(mhash(MHASH_SHA256, $value));
            } elseif (function_exists('hash')) {
                return hash('sha256', $value);
            }
            throw new Exception();
        };
        try {
            $result = String::hash($value, array('type' => 'sha256'));
            $this->assertEqual($sha256($value), $result);
            $result = String::hash($value, array('type' => 'sha256') + compact('salt'));
            $this->assertEqual($sha256($salt . $value), $result);
        } catch (Exception $e) {
        }
        $string = 'Hash Me';
        $key = 'a very valid key';
        $salt = 'not too much';
        $type = 'sha256';
        $expected = '24f8664f7a7e56f85bd5c983634aaa0b0d3b0e470d7f63494475729cb8b3c6a4ef28398d7cf3';
        $expected .= '780c0caec26c85b56a409920e4af7eef38597861d49fbe31b9a0';
        $result = String::hash($string, compact('key'));
        $this->assertEqual($expected, $result);
        $expected = '35bc1d9a3332e524962909b7ccff6b34ae143f64c48ffa32b5be9312719a96369fbd7ebf6f49';
        $expected .= '09b375135b34e28b063a07b5bd62af165483c6b80dd48a252ddd';
        $result = String::hash($string, compact('salt'));
        $this->assertEqual($expected, $result);
        $expected = 'fa4cfa5c16d7f94e221e1d3a0cb01eadfd6823d68497a5fdcae023d24f557e4a';
        $result = String::hash($string, compact('type', 'key'));
        $this->assertEqual($expected, $result);
        $expected = 'a9050b4f44797bf60262de984ca12967711389cd6c4c4aeee2a739c159f1f667';
        $result = String::hash($string, compact('type'));
        $this->assertEqual($expected, $result);
    }