vendor/twig/twig/test/Twig/Tests/FileCachingTest.php

   1 <?php
   2
   3 class Twig_Tests_FileCachingTest extends PHPUnit_Framework_TestCase
   4 {
   5     protected $fileName;
   6     protected $env;
   7     protected $tmpDir;
   8
   9     public function setUp()
  10     {
  11         $this->tmpDir = sys_get_temp_dir().'/TwigTests';
  12         if (!file_exists($this->tmpDir)) {
  13             @mkdir($this->tmpDir, 0777, true);
  14         }
  15
  16         if (!is_writable($this->tmpDir)) {
  17             $this->markTestSkipped(sprintf('Unable to run the tests as "%s" is not writable.', $this->tmpDir));
  18         }
  19
  20         $this->env = new Twig_Environment(new Twig_Loader_String(), array('cache' => $this->tmpDir));
  21     }
  22
  23     public function tearDown()
  24     {
  25         if ($this->fileName) {
  26             unlink($this->fileName);
  27         }
  28
  29         $this->removeDir($this->tmpDir);
  30     }
  31
  32     public function testWritingCacheFiles()
  33     {
  34         $name = 'This is just text.';
  35         $template = $this->env->loadTemplate($name);
  36         $cacheFileName = $this->env->getCacheFilename($name);
  37
  38         $this->assertTrue(file_exists($cacheFileName), 'Cache file does not exist.');
  39         $this->fileName = $cacheFileName;
  40     }
  41
  42     public function testClearingCacheFiles()
  43     {
  44         $name = 'I will be deleted.';
  45         $template = $this->env->loadTemplate($name);
  46         $cacheFileName = $this->env->getCacheFilename($name);
  47
  48         $this->assertTrue(file_exists($cacheFileName), 'Cache file does not exist.');
  49         $this->env->clearCacheFiles();
  50         $this->assertFalse(file_exists($cacheFileName), 'Cache file was not cleared.');
  51     }
  52
  53     private function removeDir($target)
  54     {
  55         $fp = opendir($target);
  56         while (false !== $file = readdir($fp)) {
  57             if (in_array($file, array('.', '..'))) {
  58                 continue;
  59             }
  60
  61             if (is_dir($target.'/'.$file)) {
  62                 self::removeDir($target.'/'.$file);
  63             } else {
  64                 unlink($target.'/'.$file);
  65             }
  66         }
  67         closedir($fp);
  68         rmdir($target);
  69     }
  70 }