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   1  <?php
   2  /*
   3   * Limb PHP Framework
   4   *
   5   * @link http://limb-project.com 
   6   * @copyright  Copyright &copy; 2004-2007 BIT(http://bit-creative.com)
   7   * @license    LGPL http://www.gnu.org/copyleft/lesser.html 
   8   */
   9  lmb_require('limb/config/src/lmbCachedIni.class.php');
  10  lmb_require('limb/fs/src/lmbFs.class.php');
  11  
  12  class lmbCachedIniCachingTest extends UnitTestCase
  13  {
  14    var $cache_dir;
  15  
  16    function setUp()
  17    {
  18      $this->cache_dir = LIMB_VAR_DIR . '/ini/';
  19      lmbFs :: rm($this->cache_dir);
  20      lmbFs :: mkdir(LIMB_VAR_DIR . '/tmp_ini/');
  21    }
  22  
  23    function tearDown()
  24    {
  25      lmbFs :: rm(LIMB_VAR_DIR . '/tmp_ini/');
  26      lmbFs :: rm($this->cache_dir);
  27    }
  28  
  29    function _createIniFile($contents, &$override_file = null)
  30    {
  31      $name = mt_rand();
  32      $file = LIMB_VAR_DIR . '/tmp_ini/' . $name . '.ini';
  33      $override_file = LIMB_VAR_DIR . '/tmp_ini/' . $name . '.override.ini';
  34      file_put_contents($file, $contents);
  35      return $file;
  36    }
  37  
  38    function testCacheHit()
  39    {
  40      $file = $this->_createIniFile('test = 1');
  41      $ini1 = new lmbCachedIni($file, $this->cache_dir);
  42  
  43      $this->assertEqual(sizeof(scandir($this->cache_dir)), 3);//cache file + . and ..

  44  
  45      $this->assertEqual($ini1->get('test'), 1);
  46  
  47      file_put_contents($file, 'test = 2');//explicitly changing ini file

  48      touch($file, time() - 10);           //but making it look older than it is

  49      clearstatcache();
  50  
  51      $ini2 = new lmbCachedIni($file, $this->cache_dir);
  52      $this->assertEqual($ini2->get('test'), 1);
  53    }
  54  
  55    function testCacheMissFileWasModified()
  56    {
  57      $file = $this->_createIniFile('test = 1');
  58      $ini1 = new lmbCachedIni($file, $this->cache_dir);
  59  
  60      $this->assertEqual($ini1->get('test'), 1);
  61  
  62      file_put_contents($file, 'test = 2');
  63      touch($file, time() + 10);
  64      clearstatcache();
  65  
  66      $ini2 = new lmbCachedIni($file, $this->cache_dir);
  67      $this->assertEqual($ini2->get('test'), 2);
  68    }
  69  
  70    function testCacheMissOverrideFileWasModified()
  71    {
  72      $file = $this->_createIniFile('test = 1', $override_file);
  73      $ini1 = new lmbCachedIni($file, $this->cache_dir);
  74  
  75      $this->assertEqual($ini1->get('test'), 1);
  76  
  77      file_put_contents($override_file, 'test = 2');
  78      touch($override_file, time() + 10);
  79  
  80      $ini2 = new lmbCachedIni($file, $this->cache_dir);
  81      $this->assertEqual($ini2->get('test'), 2);
  82    }
  83  }
  84  
  85  ?>