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<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Tests\Integration\Concurrency;
use Piwik\Common;
use Piwik\Concurrency\Lock;
use Piwik\Concurrency\LockBackend\MySqlLockBackend;
use Piwik\Date;
use Piwik\Db;
use Piwik\Tests\Framework\TestCase\IntegrationTestCase;
/**
* @group Core
*/
class LockTest extends IntegrationTestCase
{
/**
* @var Lock
*/
public $lock;
public function setUp(): void
{
parent::setUp();
$mysql = new MySqlLockBackend();
$this->lock = $this->createLock($mysql);
}
public function tearDown(): void
{
parent::tearDown();
}
public function test_acquireLock_ShouldLockInCaseItIsNotLockedYet()
{
$this->assertTrue($this->lock->acquireLock(0));
$this->assertFalse($this->lock->acquireLock(0));
$this->lock->unlock();
$this->assertTrue($this->lock->acquireLock(0));
$this->assertFalse($this->lock->acquireLock(0));
}
public function test_acquireLock_ShouldBeAbleToLockMany()
{
$this->assertTrue($this->lock->acquireLock(0));
$this->assertFalse($this->lock->acquireLock(0));
$this->assertTrue($this->lock->acquireLock(1));
$this->assertTrue($this->lock->acquireLock(2));
$this->assertFalse($this->lock->acquireLock(1));
}
public function test_isLocked_ShouldDetermineWhetherALockIsLocked()
{
$this->assertFalse($this->lock->isLocked());
$this->lock->acquireLock(0);
$this->assertTrue($this->lock->isLocked());
$this->lock->unlock();
$this->assertFalse($this->lock->isLocked());
}
public function test_unlock_OnlyUnlocksTheLastOne()
{
$this->assertTrue($this->lock->acquireLock(0));
$this->assertTrue($this->lock->acquireLock(1));
$this->assertTrue($this->lock->acquireLock(2));
$this->lock->unlock();
$this->assertFalse($this->lock->acquireLock(0));
$this->assertFalse($this->lock->acquireLock(1));
$this->assertTrue($this->lock->acquireLock(2));
}
public function test_expireLock_ShouldReturnTrueOnSuccess()
{
$this->lock->acquireLock(0);
$this->assertTrue($this->lock->expireLock(2));
}
public function test_expireLock_ShouldReturnFalseIfNoTimeoutGiven()
{
$this->lock->acquireLock(0);
$this->assertFalse($this->lock->expireLock(0));
}
public function test_expireLock_ShouldReturnFalseIfNotLocked()
{
$this->assertFalse($this->lock->expireLock(2));
}
public function test_getNumberOfAcquiredLocks_shouldReturnNumberOfLocks()
{
$this->assertNumberOfLocksEquals(0);
$this->lock->acquireLock(0);
$this->assertNumberOfLocksEquals(1);
$this->lock->acquireLock(4);
$this->lock->acquireLock(5);
$this->assertNumberOfLocksEquals(3);
$this->lock->unlock();
$this->assertNumberOfLocksEquals(2);
}
public function test_getAllAcquiredLockKeys_shouldReturnUsedKeysThatAreLocked()
{
$this->assertSame(array(), $this->lock->getAllAcquiredLockKeys());
$this->lock->acquireLock(0);
$this->assertSame(array('TestLock0'), $this->lock->getAllAcquiredLockKeys());
$this->lock->acquireLock(4);
$this->lock->acquireLock(5);
$locks = $this->lock->getAllAcquiredLockKeys();
sort($locks);
$this->assertSame(array('TestLock0', 'TestLock4', 'TestLock5'), $locks);
}
public function test_rexpire_onlyRexpiresWhenCloseToOriginalExpirationTime()
{
Date::$now = strtotime('2015-03-04 03:04:05');
$this->lock->acquireLock(0);
$expireTime = $this->getLockExpirationTime();
sleep(1);
$this->lock->reexpireLock();
$newExpireTime = $this->getLockExpirationTime();
$this->assertEquals($expireTime, $newExpireTime);
// 30s after initial, no update
Date::$now = strtotime('2015-03-04 03:04:35');
sleep(1);
$this->lock->reexpireLock();
$newExpireTime = $this->getLockExpirationTime();
$this->assertEquals($expireTime, $newExpireTime);
// 50s after initial, update
Date::$now = strtotime('2015-03-04 03:04:55');
sleep(1);
$this->lock->reexpireLock();
$newExpireTime = $this->getLockExpirationTime();
$this->assertNotEquals($expireTime, $newExpireTime);
$expireTime = $newExpireTime;
// 60s after initial, no update
Date::$now = strtotime('2015-03-04 03:05:05');
sleep(1);
$this->lock->reexpireLock();
$newExpireTime = $this->getLockExpirationTime();
$this->assertEquals($expireTime, $newExpireTime);
// 1m 50s after initial, update
Date::$now = strtotime('2015-03-04 03:05:55');
sleep(1);
$this->lock->reexpireLock();
$newExpireTime = $this->getLockExpirationTime();
$this->assertNotEquals($expireTime, $newExpireTime);
}
private function assertNumberOfLocksEquals($numExpectedLocks)
{
$this->assertSame($numExpectedLocks, $this->lock->getNumberOfAcquiredLocks());
}
private function createLock($mysql)
{
return new Lock($mysql, 'TestLock');
}
private function getLockExpirationTime()
{
return Db::fetchOne("SELECT expiry_time FROM `" . Common::prefixTable('locks') . "`");
}
}
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