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<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace Test\Lock;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\Lock\ILockingProvider;
/**
* Class DBLockingProvider
*
* @group DB
*
* @package Test\Lock
*/
class DBLockingProviderTest extends LockingProvider {
/**
* @var \OC\Lock\DBLockingProvider
*/
protected $instance;
/**
* @var \OCP\IDBConnection
*/
protected $connection;
/**
* @var \OCP\AppFramework\Utility\ITimeFactory
*/
protected $timeFactory;
protected $currentTime;
protected function setUp(): void {
$this->currentTime = time();
$this->timeFactory = $this->createMock(ITimeFactory::class);
$this->timeFactory->expects($this->any())
->method('getTime')
->willReturnCallback(function () {
return $this->currentTime;
});
parent::setUp();
}
/**
* @return \OCP\Lock\ILockingProvider
*/
protected function getInstance() {
$this->connection = \OC::$server->getDatabaseConnection();
return new \OC\Lock\DBLockingProvider($this->connection, $this->timeFactory, 3600);
}
protected function tearDown(): void {
$this->connection->executeQuery('DELETE FROM `*PREFIX*file_locks`');
parent::tearDown();
}
public function testCleanEmptyLocks(): void {
$this->currentTime = 100;
$this->instance->acquireLock('foo', ILockingProvider::LOCK_EXCLUSIVE);
$this->instance->acquireLock('asd', ILockingProvider::LOCK_EXCLUSIVE);
$this->currentTime = 200;
$this->instance->acquireLock('bar', ILockingProvider::LOCK_EXCLUSIVE);
$this->instance->changeLock('asd', ILockingProvider::LOCK_SHARED);
$this->currentTime = 150 + 3600;
$this->assertEquals(3, $this->getLockEntryCount());
$this->instance->cleanExpiredLocks();
$this->assertEquals(2, $this->getLockEntryCount());
}
private function getLockEntryCount() {
$query = $this->connection->prepare('SELECT count(*) FROM `*PREFIX*file_locks`');
$query->execute();
return $query->fetchOne();
}
protected function getLockValue($key) {
$query = $this->connection->getQueryBuilder();
$query->select('lock')
->from('file_locks')
->where($query->expr()->eq('key', $query->createNamedParameter($key)));
$result = $query->execute();
$rows = $result->fetchOne();
$result->closeCursor();
return $rows;
}
public function testDoubleShared(): void {
$this->instance->acquireLock('foo', ILockingProvider::LOCK_SHARED);
$this->instance->acquireLock('foo', ILockingProvider::LOCK_SHARED);
$this->assertEquals(1, $this->getLockValue('foo'));
$this->instance->releaseLock('foo', ILockingProvider::LOCK_SHARED);
$this->assertEquals(1, $this->getLockValue('foo'));
$this->instance->releaseLock('foo', ILockingProvider::LOCK_SHARED);
$this->assertEquals(1, $this->getLockValue('foo'));
$this->instance->releaseAll();
$this->assertEquals(0, $this->getLockValue('foo'));
}
}
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