vendor/twig/twig/test/Twig/Tests/Extension/CoreTest.php

   1 <?php
   2
   3 /*
   4  * This file is part of Twig.
   5  *
   6  * (c) Fabien Potencier
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 class Twig_Tests_Extension_CoreTest extends PHPUnit_Framework_TestCase
  13 {
  14     /**
  15      * @dataProvider getRandomFunctionTestData
  16      */
  17     public function testRandomFunction($value, $expectedInArray)
  18     {
  19         $env = new Twig_Environment();
  20
  21         for ($i = 0; $i < 100; $i++) {
  22             $this->assertTrue(in_array(twig_random($env, $value), $expectedInArray, true)); // assertContains() would not consider the type
  23         }
  24     }
  25
  26     public function getRandomFunctionTestData()
  27     {
  28         return array(
  29             array( // array
  30                 array('apple', 'orange', 'citrus'),
  31                 array('apple', 'orange', 'citrus'),
  32             ),
  33             array( // Traversable
  34                 new ArrayObject(array('apple', 'orange', 'citrus')),
  35                 array('apple', 'orange', 'citrus'),
  36             ),
  37             array( // unicode string
  38                 'Ä€é',
  39                 array('Ä', '€', 'é'),
  40             ),
  41             array( // numeric but string
  42                 '123',
  43                 array('1', '2', '3'),
  44             ),
  45             array( // integer
  46                 5,
  47                 range(0, 5, 1),
  48             ),
  49             array( // float
  50                 5.9,
  51                 range(0, 5, 1),
  52             ),
  53             array( // negative
  54                 -2,
  55                 array(0, -1, -2),
  56             ),
  57         );
  58     }
  59
  60     public function testRandomFunctionWithoutParameter()
  61     {
  62         $max = mt_getrandmax();
  63
  64         for ($i = 0; $i < 100; $i++) {
  65             $val = twig_random(new Twig_Environment());
  66             $this->assertTrue(is_int($val) && $val >= 0 && $val <= $max);
  67         }
  68     }
  69
  70     public function testRandomFunctionReturnsAsIs()
  71     {
  72         $this->assertSame('', twig_random(new Twig_Environment(), ''));
  73         $this->assertSame('', twig_random(new Twig_Environment(null, array('charset' => null)), ''));
  74
  75         $instance = new stdClass();
  76         $this->assertSame($instance, twig_random(new Twig_Environment(), $instance));
  77     }
  78
  79     /**
  80      * @expectedException Twig_Error_Runtime
  81      */
  82     public function testRandomFunctionOfEmptyArrayThrowsException()
  83     {
  84         twig_random(new Twig_Environment(), array());
  85     }
  86
  87     public function testRandomFunctionOnNonUTF8String()
  88     {
  89         if (!function_exists('iconv') && !function_exists('mb_convert_encoding')) {
  90             $this->markTestSkipped('needs iconv or mbstring');
  91         }
  92
  93         $twig = new Twig_Environment();
  94         $twig->setCharset('ISO-8859-1');
  95
  96         $text = twig_convert_encoding('Äé', 'ISO-8859-1', 'UTF-8');
  97         for ($i = 0; $i < 30; $i++) {
  98             $rand = twig_random($twig, $text);
  99             $this->assertTrue(in_array(twig_convert_encoding($rand, 'UTF-8', 'ISO-8859-1'), array('Ä', 'é'), true));
 100         }
 101     }
 102
 103     public function testReverseFilterOnNonUTF8String()
 104     {
 105         if (!function_exists('iconv') && !function_exists('mb_convert_encoding')) {
 106             $this->markTestSkipped('needs iconv or mbstring');
 107         }
 108
 109         $twig = new Twig_Environment();
 110         $twig->setCharset('ISO-8859-1');
 111
 112         $input = twig_convert_encoding('Äé', 'ISO-8859-1', 'UTF-8');
 113         $output = twig_convert_encoding(twig_reverse_filter($twig, $input), 'UTF-8', 'ISO-8859-1');
 114
 115         $this->assertEquals($output, 'éÄ');
 116     }
 117 }