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<?php
/*
* The RandomLib library for securely generating random numbers and strings in PHP
*
* @author Anthony Ferrara <ircmaxell@ircmaxell.com>
* @copyright 2011 The Authors
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version Build @@version@@
*/
namespace RandomLib;
class GeneratorStringTest extends \PHPUnit_Framework_TestCase
{
protected $generator = null;
protected $mixer = null;
protected $sources = array();
public static function provideCharCombinations()
{
return array(
array("CHAR_LOWER", implode("", range("a", "z"))),
array("CHAR_UPPER", implode("", range("A", "Z"))),
array("CHAR_DIGITS", implode("", range(0, 9))),
array("CHAR_UPPER_HEX", "0123456789ABCDEF"),
array("CHAR_LOWER_HEX", "0123456789abcdef"),
array("CHAR_BASE64", "+/0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"),
array("EASY_TO_READ", "3479ACEFHJKLMNPRTUVWXYabcdefghijkmnopqrstuvwxyz"),
array("CHAR_BRACKETS", "()<>[]{}"),
array("CHAR_SYMBOLS", " !\"#$%&'()*+,-./:;<=>?@[\]^_`{|}~"),
array("CHAR_PUNCT", ",.:;"),
array("CHAR_ALPHA", implode("", array_merge(range("A", "Z"), range("a", "z")))),
array("CHAR_ALNUM", implode("", array_merge(range(0, 9), range("A", "Z"), range("a", "z")))),
array("CHAR_ALPHA | PUNCT", ",.:;ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", Generator::CHAR_ALPHA | Generator::CHAR_PUNCT),
array("CHAR_LOWER | EASY_TO_READ", "abcdefghijkmnopqrstuvwxyz", Generator::CHAR_LOWER | Generator::EASY_TO_READ),
array("CHAR_DIGITS | EASY_TO_READ", "3479", Generator::CHAR_DIGITS | Generator::EASY_TO_READ),
);
}
public function setUp()
{
$source1 = $this->getMock('RandomLib\Source');
$source1->expects($this->any())
->method('generate')
->will($this->returnCallback(function ($size) {
$r = '';
for ($i = 0; $i < $size; $i++) {
$r .= chr($i % 256);
}
return $r;
}
));
$source2 = $this->getMock('RandomLib\Source');
$source2->expects($this->any())
->method('generate')
->will($this->returnCallback(function ($size) {
$r = '';
for ($i = 0; $i < $size; $i++) {
$r .= chr(0);
}
return $r;
}
));
$this->mixer = $this->getMock('RandomLib\Mixer');
$this->mixer->expects($this->any())
->method('mix')
->will($this->returnCallback(function (array $sources) {
if (empty($sources)) {
return '';
}
$start = array_pop($sources);
return array_reduce(
$sources,
function ($el1, $el2) {
return $el1 ^ $el2;
},
$start
);
}));
$this->sources = array($source1, $source2);
$this->generator = new Generator($this->sources, $this->mixer);
}
/**
* @dataProvider provideCharCombinations
*/
public function testScheme($schemeName, $expected, $scheme = 0)
{
// test for overspecification by doubling the expected amount
if (!$scheme) {
$scheme = constant("RandomLib\Generator::$schemeName");
}
$chars = $this->generator->generateString(strlen($expected) * 2, $scheme);
$this->assertEquals($expected . $expected, $chars, sprintf("Testing Generator::%s failed", $schemeName));
}
}
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