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<?php
namespace Drupal\KernelTests\Core\Lock;
use Drupal\Core\Lock\DatabaseLockBackend;
use Drupal\KernelTests\KernelTestBase;
/**
* Tests the Database lock backend.
*
* @group Lock
*/
class LockTest extends KernelTestBase {
/**
* Database lock backend to test.
*
* @var \Drupal\Core\Lock\DatabaseLockBackend
*/
protected $lock;
protected function setUp() {
parent::setUp();
$this->lock = new DatabaseLockBackend($this->container->get('database'));
}
/**
* Tests backend release functionality.
*/
public function testBackendLockRelease() {
$success = $this->lock->acquire('lock_a');
$this->assertTrue($success, 'Could acquire first lock.');
// This function is not part of the backend, but the default database
// backend implement it, we can here use it safely.
$is_free = $this->lock->lockMayBeAvailable('lock_a');
$this->assertFalse($is_free, 'First lock is unavailable.');
$this->lock->release('lock_a');
$is_free = $this->lock->lockMayBeAvailable('lock_a');
$this->assertTrue($is_free, 'First lock has been released.');
$success = $this->lock->acquire('lock_b');
$this->assertTrue($success, 'Could acquire second lock.');
$success = $this->lock->acquire('lock_b');
$this->assertTrue($success, 'Could acquire second lock a second time within the same request.');
$this->lock->release('lock_b');
}
/**
* Tests backend release functionality.
*/
public function testBackendLockReleaseAll() {
$success = $this->lock->acquire('lock_a');
$this->assertTrue($success, 'Could acquire first lock.');
$success = $this->lock->acquire('lock_b');
$this->assertTrue($success, 'Could acquire second lock.');
$this->lock->releaseAll();
$is_free = $this->lock->lockMayBeAvailable('lock_a');
$this->assertTrue($is_free, 'First lock has been released.');
$is_free = $this->lock->lockMayBeAvailable('lock_b');
$this->assertTrue($is_free, 'Second lock has been released.');
}
}