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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpKernel\Tests\HttpCache;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\HttpCache\Store;
class StoreTest extends \PHPUnit_Framework_TestCase
{
protected $request;
protected $response;
protected $store;
protected function setUp()
{
$this->request = Request::create('/');
$this->response = new Response('hello world', 200, array());
HttpCacheTestCase::clearDirectory(sys_get_temp_dir().'/http_cache');
$this->store = new Store(sys_get_temp_dir().'/http_cache');
}
protected function tearDown()
{
$this->store = null;
$this->request = null;
$this->response = null;
HttpCacheTestCase::clearDirectory(sys_get_temp_dir().'/http_cache');
}
public function testReadsAnEmptyArrayWithReadWhenNothingCachedAtKey()
{
$this->assertEmpty($this->getStoreMetadata('/nothing'));
}
public function testUnlockFileThatDoesExist()
{
$cacheKey = $this->storeSimpleEntry();
$this->store->lock($this->request);
$this->assertTrue($this->store->unlock($this->request));
}
public function testUnlockFileThatDoesNotExist()
{
$this->assertFalse($this->store->unlock($this->request));
}
public function testRemovesEntriesForKeyWithPurge()
{
$request = Request::create('/foo');
$this->store->write($request, new Response('foo'));
$metadata = $this->getStoreMetadata($request);
$this->assertNotEmpty($metadata);
$this->assertTrue($this->store->purge('/foo'));
$this->assertEmpty($this->getStoreMetadata($request));
// cached content should be kept after purging
$path = $this->store->getPath($metadata[0][1]['x-content-digest'][0]);
$this->assertTrue(is_file($path));
$this->assertFalse($this->store->purge('/bar'));
}
public function testStoresACacheEntry()
{
$cacheKey = $this->storeSimpleEntry();
$this->assertNotEmpty($this->getStoreMetadata($cacheKey));
}
public function testSetsTheXContentDigestResponseHeaderBeforeStoring()
{
$cacheKey = $this->storeSimpleEntry();
$entries = $this->getStoreMetadata($cacheKey);
list ($req, $res) = $entries[0];
$this->assertEquals('en9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08', $res['x-content-digest'][0]);
}
public function testFindsAStoredEntryWithLookup()
{
$this->storeSimpleEntry();
$response = $this->store->lookup($this->request);
$this->assertNotNull($response);
$this->assertInstanceOf('Symfony\Component\HttpFoundation\Response', $response);
}
public function testDoesNotFindAnEntryWithLookupWhenNoneExists()
{
$request = Request::create('/test', 'get', array(), array(), array(), array('HTTP_FOO' => 'Foo', 'HTTP_BAR' => 'Bar'));
$this->assertNull($this->store->lookup($request));
}
public function testCanonizesUrlsForCacheKeys()
{
$this->storeSimpleEntry($path = '/test?x=y&p=q');
$hitsReq = Request::create($path);
$missReq = Request::create('/test?p=x');
$this->assertNotNull($this->store->lookup($hitsReq));
$this->assertNull($this->store->lookup($missReq));
}
public function testDoesNotFindAnEntryWithLookupWhenTheBodyDoesNotExist()
{
$this->storeSimpleEntry();
$this->assertNotNull($this->response->headers->get('X-Content-Digest'));
$path = $this->getStorePath($this->response->headers->get('X-Content-Digest'));
@unlink($path);
$this->assertNull($this->store->lookup($this->request));
}
public function testRestoresResponseHeadersProperlyWithLookup()
{
$this->storeSimpleEntry();
$response = $this->store->lookup($this->request);
$this->assertEquals($response->headers->all(), array_merge(array('content-length' => 4, 'x-body-file' => array($this->getStorePath($response->headers->get('X-Content-Digest')))), $this->response->headers->all()));
}
public function testRestoresResponseContentFromEntityStoreWithLookup()
{
$this->storeSimpleEntry();
$response = $this->store->lookup($this->request);
$this->assertEquals($this->getStorePath('en'.hash('sha256', 'test')), $response->getContent());
}
public function testInvalidatesMetaAndEntityStoreEntriesWithInvalidate()
{
$this->storeSimpleEntry();
$this->store->invalidate($this->request);
$response = $this->store->lookup($this->request);
$this->assertInstanceOf('Symfony\Component\HttpFoundation\Response', $response);
$this->assertFalse($response->isFresh());
}
public function testSucceedsQuietlyWhenInvalidateCalledWithNoMatchingEntries()
{
$req = Request::create('/test');
$this->store->invalidate($req);
$this->assertNull($this->store->lookup($this->request));
}
public function testDoesNotReturnEntriesThatVaryWithLookup()
{
$req1 = Request::create('/test', 'get', array(), array(), array(), array('HTTP_FOO' => 'Foo', 'HTTP_BAR' => 'Bar'));
$req2 = Request::create('/test', 'get', array(), array(), array(), array('HTTP_FOO' => 'Bling', 'HTTP_BAR' => 'Bam'));
$res = new Response('test', 200, array('Vary' => 'Foo Bar'));
$this->store->write($req1, $res);
$this->assertNull($this->store->lookup($req2));
}
public function testStoresMultipleResponsesForEachVaryCombination()
{
$req1 = Request::create('/test', 'get', array(), array(), array(), array('HTTP_FOO' => 'Foo', 'HTTP_BAR' => 'Bar'));
$res1 = new Response('test 1', 200, array('Vary' => 'Foo Bar'));
$key = $this->store->write($req1, $res1);
$req2 = Request::create('/test', 'get', array(), array(), array(), array('HTTP_FOO' => 'Bling', 'HTTP_BAR' => 'Bam'));
$res2 = new Response('test 2', 200, array('Vary' => 'Foo Bar'));
$this->store->write($req2, $res2);
$req3 = Request::create('/test', 'get', array(), array(), array(), array('HTTP_FOO' => 'Baz', 'HTTP_BAR' => 'Boom'));
$res3 = new Response('test 3', 200, array('Vary' => 'Foo Bar'));
$this->store->write($req3, $res3);
$this->assertEquals($this->getStorePath('en'.hash('sha256', 'test 3')), $this->store->lookup($req3)->getContent());
$this->assertEquals($this->getStorePath('en'.hash('sha256', 'test 2')), $this->store->lookup($req2)->getContent());
$this->assertEquals($this->getStorePath('en'.hash('sha256', 'test 1')), $this->store->lookup($req1)->getContent());
$this->assertCount(3, $this->getStoreMetadata($key));
}
public function testOverwritesNonVaryingResponseWithStore()
{
$req1 = Request::create('/test', 'get', array(), array(), array(), array('HTTP_FOO' => 'Foo', 'HTTP_BAR' => 'Bar'));
$res1 = new Response('test 1', 200, array('Vary' => 'Foo Bar'));
$key = $this->store->write($req1, $res1);
$this->assertEquals($this->getStorePath('en'.hash('sha256', 'test 1')), $this->store->lookup($req1)->getContent());
$req2 = Request::create('/test', 'get', array(), array(), array(), array('HTTP_FOO' => 'Bling', 'HTTP_BAR' => 'Bam'));
$res2 = new Response('test 2', 200, array('Vary' => 'Foo Bar'));
$this->store->write($req2, $res2);
$this->assertEquals($this->getStorePath('en'.hash('sha256', 'test 2')), $this->store->lookup($req2)->getContent());
$req3 = Request::create('/test', 'get', array(), array(), array(), array('HTTP_FOO' => 'Foo', 'HTTP_BAR' => 'Bar'));
$res3 = new Response('test 3', 200, array('Vary' => 'Foo Bar'));
$key = $this->store->write($req3, $res3);
$this->assertEquals($this->getStorePath('en'.hash('sha256', 'test 3')), $this->store->lookup($req3)->getContent());
$this->assertCount(2, $this->getStoreMetadata($key));
}
public function testLocking()
{
$req = Request::create('/test', 'get', array(), array(), array(), array('HTTP_FOO' => 'Foo', 'HTTP_BAR' => 'Bar'));
$this->assertTrue($this->store->lock($req));
$path = $this->store->lock($req);
$this->assertTrue($this->store->isLocked($req));
$this->store->unlock($req);
$this->assertFalse($this->store->isLocked($req));
}
protected function storeSimpleEntry($path = null, $headers = array())
{
if (null === $path) {
$path = '/test';
}
$this->request = Request::create($path, 'get', array(), array(), array(), $headers);
$this->response = new Response('test', 200, array('Cache-Control' => 'max-age=420'));
return $this->store->write($this->request, $this->response);
}
protected function getStoreMetadata($key)
{
$r = new \ReflectionObject($this->store);
$m = $r->getMethod('getMetadata');
$m->setAccessible(true);
if ($key instanceof Request) {
$m1 = $r->getMethod('getCacheKey');
$m1->setAccessible(true);
$key = $m1->invoke($this->store, $key);
}
return $m->invoke($this->store, $key);
}
protected function getStorePath($key)
{
$r = new \ReflectionObject($this->store);
$m = $r->getMethod('getPath');
$m->setAccessible(true);
return $m->invoke($this->store, $key);
}
}
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