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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  * This code is partially based on the Rack-Cache library by Ryan Tomayko,
   9  * which is released under the MIT license.
  10  * (based on commit 02d2b48d75bcb63cf1c0c7149c077ad256542801)
  11  *
  12  * For the full copyright and license information, please view the LICENSE
  13  * file that was distributed with this source code.
  14  */
  15
  16 namespace Symfony\Component\HttpKernel\Tests\HttpCache;
  17
  18 use PHPUnit\Framework\TestCase;
  19 use Symfony\Component\HttpFoundation\Response;
  20 use Symfony\Component\HttpKernel\HttpCache\ResponseCacheStrategy;
  21
  22 class ResponseCacheStrategyTest extends TestCase
  23 {
  24     public function testMinimumSharedMaxAgeWins()
  25     {
  26         $cacheStrategy = new ResponseCacheStrategy();
  27
  28         $response1 = new Response();
  29         $response1->setSharedMaxAge(60);
  30         $cacheStrategy->add($response1);
  31
  32         $response2 = new Response();
  33         $response2->setSharedMaxAge(3600);
  34         $cacheStrategy->add($response2);
  35
  36         $response = new Response();
  37         $response->setSharedMaxAge(86400);
  38         $cacheStrategy->update($response);
  39
  40         $this->assertSame('60', $response->headers->getCacheControlDirective('s-maxage'));
  41     }
  42
  43     public function testSharedMaxAgeNotSetIfNotSetInAnyEmbeddedRequest()
  44     {
  45         $cacheStrategy = new ResponseCacheStrategy();
  46
  47         $response1 = new Response();
  48         $response1->setSharedMaxAge(60);
  49         $cacheStrategy->add($response1);
  50
  51         $response2 = new Response();
  52         $cacheStrategy->add($response2);
  53
  54         $response = new Response();
  55         $response->setSharedMaxAge(86400);
  56         $cacheStrategy->update($response);
  57
  58         $this->assertFalse($response->headers->hasCacheControlDirective('s-maxage'));
  59     }
  60
  61     public function testSharedMaxAgeNotSetIfNotSetInMasterRequest()
  62     {
  63         $cacheStrategy = new ResponseCacheStrategy();
  64
  65         $response1 = new Response();
  66         $response1->setSharedMaxAge(60);
  67         $cacheStrategy->add($response1);
  68
  69         $response2 = new Response();
  70         $response2->setSharedMaxAge(3600);
  71         $cacheStrategy->add($response2);
  72
  73         $response = new Response();
  74         $cacheStrategy->update($response);
  75
  76         $this->assertFalse($response->headers->hasCacheControlDirective('s-maxage'));
  77     }
  78 }