NullCacheTest.php
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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\Cache\Tests\Simple;
use PHPUnit\Framework\TestCase;
use Symfony\Component\Cache\Simple\NullCache;
/**
* @group time-sensitive
* @group legacy
*/
class NullCacheTest extends TestCase
{
public function createCachePool()
{
return new NullCache();
}
public function testGetItem()
{
$cache = $this->createCachePool();
$this->assertNull($cache->get('key'));
}
public function testHas()
{
$this->assertFalse($this->createCachePool()->has('key'));
}
public function testGetMultiple()
{
$cache = $this->createCachePool();
$keys = ['foo', 'bar', 'baz', 'biz'];
$default = new \stdClass();
$items = $cache->getMultiple($keys, $default);
$count = 0;
foreach ($items as $key => $item) {
$this->assertContains($key, $keys, 'Cache key can not change.');
$this->assertSame($default, $item);
// Remove $key for $keys
foreach ($keys as $k => $v) {
if ($v === $key) {
unset($keys[$k]);
}
}
++$count;
}
$this->assertSame(4, $count);
}
public function testClear()
{
$this->assertTrue($this->createCachePool()->clear());
}
public function testDelete()
{
$this->assertTrue($this->createCachePool()->delete('key'));
}
public function testDeleteMultiple()
{
$this->assertTrue($this->createCachePool()->deleteMultiple(['key', 'foo', 'bar']));
}
public function testSet()
{
$cache = $this->createCachePool();
$this->assertFalse($cache->set('key', 'val'));
$this->assertNull($cache->get('key'));
}
public function testSetMultiple()
{
$cache = $this->createCachePool();
$this->assertFalse($cache->setMultiple(['key' => 'val']));
$this->assertNull($cache->get('key'));
}
}