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   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   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 namespace Symfony\Component\Config\Tests;
  13
  14 use PHPUnit\Framework\TestCase;
  15 use Symfony\Component\Config\Resource\FileResource;
  16 use Symfony\Component\Config\ResourceCheckerConfigCache;
  17 use Symfony\Component\Config\Tests\Resource\ResourceStub;
  18
  19 class ResourceCheckerConfigCacheTest extends TestCase
  20 {
  21     private $cacheFile = null;
  22
  23     protected function setUp()
  24     {
  25         $this->cacheFile = tempnam(sys_get_temp_dir(), 'config_');
  26     }
  27
  28     protected function tearDown()
  29     {
  30         $files = array($this->cacheFile, "{$this->cacheFile}.meta");
  31
  32         foreach ($files as $file) {
  33             if (file_exists($file)) {
  34                 unlink($file);
  35             }
  36         }
  37     }
  38
  39     public function testGetPath()
  40     {
  41         $cache = new ResourceCheckerConfigCache($this->cacheFile);
  42
  43         $this->assertSame($this->cacheFile, $cache->getPath());
  44     }
  45
  46     public function testCacheIsNotFreshIfEmpty()
  47     {
  48         $checker = $this->getMockBuilder('\Symfony\Component\Config\ResourceCheckerInterface')->getMock()
  49             ->expects($this->never())->method('supports');
  50
  51         /* If there is nothing in the cache, it needs to be filled (and thus it's not fresh).
  52             It does not matter if you provide checkers or not. */
  53
  54         unlink($this->cacheFile); // remove tempnam() side effect
  55         $cache = new ResourceCheckerConfigCache($this->cacheFile, array($checker));
  56
  57         $this->assertFalse($cache->isFresh());
  58     }
  59
  60     public function testCacheIsFreshIfNoCheckerProvided()
  61     {
  62         /* For example in prod mode, you may choose not to run any checkers
  63            at all. In that case, the cache should always be considered fresh. */
  64         $cache = new ResourceCheckerConfigCache($this->cacheFile);
  65         $this->assertTrue($cache->isFresh());
  66     }
  67
  68     public function testCacheIsFreshIfEmptyCheckerIteratorProvided()
  69     {
  70         $cache = new ResourceCheckerConfigCache($this->cacheFile, new \ArrayIterator(array()));
  71         $this->assertTrue($cache->isFresh());
  72     }
  73
  74     public function testResourcesWithoutcheckersAreIgnoredAndConsideredFresh()
  75     {
  76         /* As in the previous test, but this time we have a resource. */
  77         $cache = new ResourceCheckerConfigCache($this->cacheFile);
  78         $cache->write('', array(new ResourceStub()));
  79
  80         $this->assertTrue($cache->isFresh()); // no (matching) ResourceChecker passed
  81     }
  82
  83     public function testIsFreshWithchecker()
  84     {
  85         $checker = $this->getMockBuilder('\Symfony\Component\Config\ResourceCheckerInterface')->getMock();
  86
  87         $checker->expects($this->once())
  88                   ->method('supports')
  89                   ->willReturn(true);
  90
  91         $checker->expects($this->once())
  92                   ->method('isFresh')
  93                   ->willReturn(true);
  94
  95         $cache = new ResourceCheckerConfigCache($this->cacheFile, array($checker));
  96         $cache->write('', array(new ResourceStub()));
  97
  98         $this->assertTrue($cache->isFresh());
  99     }
 100
 101     public function testIsNotFreshWithchecker()
 102     {
 103         $checker = $this->getMockBuilder('\Symfony\Component\Config\ResourceCheckerInterface')->getMock();
 104
 105         $checker->expects($this->once())
 106                   ->method('supports')
 107                   ->willReturn(true);
 108
 109         $checker->expects($this->once())
 110                   ->method('isFresh')
 111                   ->willReturn(false);
 112
 113         $cache = new ResourceCheckerConfigCache($this->cacheFile, array($checker));
 114         $cache->write('', array(new ResourceStub()));
 115
 116         $this->assertFalse($cache->isFresh());
 117     }
 118
 119     public function testCacheIsNotFreshWhenUnserializeFails()
 120     {
 121         $checker = $this->getMockBuilder('\Symfony\Component\Config\ResourceCheckerInterface')->getMock();
 122         $cache = new ResourceCheckerConfigCache($this->cacheFile, array($checker));
 123         $cache->write('foo', array(new FileResource(__FILE__)));
 124
 125         $metaFile = "{$this->cacheFile}.meta";
 126         file_put_contents($metaFile, str_replace('FileResource', 'ClassNotHere', file_get_contents($metaFile)));
 127
 128         $this->assertFalse($cache->isFresh());
 129     }
 130
 131     public function testCacheKeepsContent()
 132     {
 133         $cache = new ResourceCheckerConfigCache($this->cacheFile);
 134         $cache->write('FOOBAR');
 135
 136         $this->assertSame('FOOBAR', file_get_contents($cache->getPath()));
 137     }
 138
 139     public function testCacheIsNotFreshIfNotExistsMetaFile()
 140     {
 141         $checker = $this->getMockBuilder('\Symfony\Component\Config\ResourceCheckerInterface')->getMock();
 142         $cache = new ResourceCheckerConfigCache($this->cacheFile, array($checker));
 143         $cache->write('foo', array(new FileResource(__FILE__)));
 144
 145         $metaFile = "{$this->cacheFile}.meta";
 146         unlink($metaFile);
 147
 148         $this->assertFalse($cache->isFresh());
 149     }
 150 }