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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\Adapter;
- use PHPUnit\Framework\TestCase;
- use Psr\Cache\CacheItemInterface;
- use Symfony\Component\Cache\Adapter\NullAdapter;
- /**
- * @group time-sensitive
- */
- class NullAdapterTest extends TestCase
- {
- public function createCachePool()
- {
- return new NullAdapter();
- }
- public function testGetItem()
- {
- $adapter = $this->createCachePool();
- $item = $adapter->getItem('key');
- $this->assertFalse($item->isHit());
- $this->assertNull($item->get(), "Item's value must be null when isHit is false.");
- }
- public function testHasItem()
- {
- $this->assertFalse($this->createCachePool()->hasItem('key'));
- }
- public function testGetItems()
- {
- $adapter = $this->createCachePool();
- $keys = ['foo', 'bar', 'baz', 'biz'];
- /** @var CacheItemInterface[] $items */
- $items = $adapter->getItems($keys);
- $count = 0;
- foreach ($items as $key => $item) {
- $itemKey = $item->getKey();
- $this->assertEquals($itemKey, $key, 'Keys must be preserved when fetching multiple items');
- $this->assertContains($key, $keys, 'Cache key can not change.');
- $this->assertFalse($item->isHit());
- // Remove $key for $keys
- foreach ($keys as $k => $v) {
- if ($v === $key) {
- unset($keys[$k]);
- }
- }
- ++$count;
- }
- $this->assertSame(4, $count);
- }
- public function testIsHit()
- {
- $adapter = $this->createCachePool();
- $item = $adapter->getItem('key');
- $this->assertFalse($item->isHit());
- }
- public function testClear()
- {
- $this->assertTrue($this->createCachePool()->clear());
- }
- public function testDeleteItem()
- {
- $this->assertTrue($this->createCachePool()->deleteItem('key'));
- }
- public function testDeleteItems()
- {
- $this->assertTrue($this->createCachePool()->deleteItems(['key', 'foo', 'bar']));
- }
- public function testSave()
- {
- $adapter = $this->createCachePool();
- $item = $adapter->getItem('key');
- $this->assertFalse($item->isHit());
- $this->assertNull($item->get(), "Item's value must be null when isHit is false.");
- $this->assertFalse($adapter->save($item));
- }
- public function testDeferredSave()
- {
- $adapter = $this->createCachePool();
- $item = $adapter->getItem('key');
- $this->assertFalse($item->isHit());
- $this->assertNull($item->get(), "Item's value must be null when isHit is false.");
- $this->assertFalse($adapter->saveDeferred($item));
- }
- public function testCommit()
- {
- $adapter = $this->createCachePool();
- $item = $adapter->getItem('key');
- $this->assertFalse($item->isHit());
- $this->assertNull($item->get(), "Item's value must be null when isHit is false.");
- $this->assertFalse($adapter->saveDeferred($item));
- $this->assertFalse($this->createCachePool()->commit());
- }
- }
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