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<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Tests_Extension_CoreTest extends PHPUnit_Framework_TestCase
{
/**
* @dataProvider getRandomFunctionTestData
*/
public function testRandomFunction($value, $expectedInArray)
{
$env = new Twig_Environment();
for ($i = 0; $i < 100; $i++) {
$this->assertTrue(in_array(twig_random($env, $value), $expectedInArray, true)); // assertContains() would not consider the type
}
}
public function getRandomFunctionTestData()
{
return array(
array( // array
array('apple', 'orange', 'citrus'),
array('apple', 'orange', 'citrus'),
),
array( // Traversable
new ArrayObject(array('apple', 'orange', 'citrus')),
array('apple', 'orange', 'citrus'),
),
array( // unicode string
'Ä€é',
array('Ä', '€', 'é'),
),
array( // numeric but string
'123',
array('1', '2', '3'),
),
array( // integer
5,
range(0, 5, 1),
),
array( // float
5.9,
range(0, 5, 1),
),
array( // negative
-2,
array(0, -1, -2),
),
);
}
public function testRandomFunctionWithoutParameter()
{
$max = mt_getrandmax();
for ($i = 0; $i < 100; $i++) {
$val = twig_random(new Twig_Environment());
$this->assertTrue(is_int($val) && $val >= 0 && $val <= $max);
}
}
public function testRandomFunctionReturnsAsIs()
{
$this->assertSame('', twig_random(new Twig_Environment(), ''));
$this->assertSame('', twig_random(new Twig_Environment(null, array('charset' => null)), ''));
$instance = new stdClass();
$this->assertSame($instance, twig_random(new Twig_Environment(), $instance));
}
/**
* @expectedException Twig_Error_Runtime
*/
public function testRandomFunctionOfEmptyArrayThrowsException()
{
twig_random(new Twig_Environment(), array());
}
public function testRandomFunctionOnNonUTF8String()
{
if (!function_exists('iconv') && !function_exists('mb_convert_encoding')) {
$this->markTestSkipped('needs iconv or mbstring');
}
$twig = new Twig_Environment();
$twig->setCharset('ISO-8859-1');
$text = twig_convert_encoding('Äé', 'ISO-8859-1', 'UTF-8');
for ($i = 0; $i < 30; $i++) {
$rand = twig_random($twig, $text);
$this->assertTrue(in_array(twig_convert_encoding($rand, 'UTF-8', 'ISO-8859-1'), array('Ä', 'é'), true));
}
}
public function testReverseFilterOnNonUTF8String()
{
if (!function_exists('iconv') && !function_exists('mb_convert_encoding')) {
$this->markTestSkipped('needs iconv or mbstring');
}
$twig = new Twig_Environment();
$twig->setCharset('ISO-8859-1');
$input = twig_convert_encoding('Äé', 'ISO-8859-1', 'UTF-8');
$output = twig_convert_encoding(twig_reverse_filter($twig, $input), 'UTF-8', 'ISO-8859-1');
$this->assertEquals($output, 'éÄ');
}
}
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