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   1 <?php
   2 /*
   3  * This file is part of PHPUnit.
   4  *
   5  * (c) Sebastian Bergmann <sebastian@phpunit.de>
   6  *
   7  * For the full copyright and license information, please view the LICENSE
   8  * file that was distributed with this source code.
   9  */
  10
  11 use SebastianBergmann\Diff\Differ;
  12
  13 /**
  14  * ...
  15  *
  16  * @since Class available since Release 3.5.0
  17  */
  18 class PHPUnit_Framework_Constraint_StringMatches extends PHPUnit_Framework_Constraint_PCREMatch
  19 {
  20     /**
  21      * @var string
  22      */
  23     protected $string;
  24
  25     /**
  26      * @param string $string
  27      */
  28     public function __construct($string)
  29     {
  30         parent::__construct($string);
  31
  32         $this->pattern = $this->createPatternFromFormat(
  33             preg_replace('/\r\n/', "\n", $string)
  34         );
  35
  36         $this->string = $string;
  37     }
  38
  39     protected function failureDescription($other)
  40     {
  41         return 'format description matches text';
  42     }
  43
  44     protected function additionalFailureDescription($other)
  45     {
  46         $from = preg_split('(\r\n|\r|\n)', $this->string);
  47         $to   = preg_split('(\r\n|\r|\n)', $other);
  48
  49         foreach ($from as $index => $line) {
  50             if (isset($to[$index]) && $line !== $to[$index]) {
  51                 $line = $this->createPatternFromFormat($line);
  52
  53                 if (preg_match($line, $to[$index]) > 0) {
  54                     $from[$index] = $to[$index];
  55                 }
  56             }
  57         }
  58
  59         $this->string = implode("\n", $from);
  60         $other        = implode("\n", $to);
  61
  62         $differ = new Differ("--- Expected\n+++ Actual\n");
  63
  64         return $differ->diff($this->string, $other);
  65     }
  66
  67     protected function createPatternFromFormat($string)
  68     {
  69         $string = str_replace(
  70             array(
  71             '%e',
  72             '%s',
  73             '%S',
  74             '%a',
  75             '%A',
  76             '%w',
  77             '%i',
  78             '%d',
  79             '%x',
  80             '%f',
  81             '%c'
  82             ),
  83             array(
  84             '\\' . DIRECTORY_SEPARATOR,
  85             '[^\r\n]+',
  86             '[^\r\n]*',
  87             '.+',
  88             '.*',
  89             '\s*',
  90             '[+-]?\d+',
  91             '\d+',
  92             '[0-9a-fA-F]+',
  93             '[+-]?\.?\d+\.?\d*(?:[Ee][+-]?\d+)?',
  94             '.'
  95             ),
  96             preg_quote($string, '/')
  97         );
  98
  99         return '/^' . $string . '$/s';
 100     }
 101 }