Neos\Flow\Tests\Unit\Session\SessionTest::autoExpireTriggersGarbageCollectionForExpiredSessions PHP Method

    public function autoExpireTriggersGarbageCollectionForExpiredSessions()
    {
        $settings = $this->settings;
        $settings['session']['inactivityTimeout'] = 5000;
        $settings['session']['garbageCollection']['probability'] = 100;
        $metaDataCache = $this->createCache('Meta');
        $storageCache = $this->createCache('Storage');
        // Create a session which first runs fine and then expires by later modifying
        // the inactivity timeout:
        $session = new Session();
        $this->inject($session, 'bootstrap', $this->mockBootstrap);
        $this->inject($session, 'objectManager', $this->mockObjectManager);
        $this->inject($session, 'metaDataCache', $this->createCache('Meta'));
        $this->inject($session, 'storageCache', $this->createCache('Storage'));
        $session->injectSettings($settings);
        $session->initializeObject();
        $session->start();
        $sessionIdentifier1 = $session->getId();
        $session->putData('session 1 key 1', 'session 1 value 1');
        $session->putData('session 1 key 2', 'session 1 value 2');
        $session->close();
        $session->resume();
        $this->assertTrue($session->isStarted());
        $this->assertTrue($metaDataCache->has($sessionIdentifier1), 'session 1 meta entry doesnt exist');
        $session->close();
        $sessionInfo1 = $metaDataCache->get($sessionIdentifier1);
        $sessionInfo1['lastActivityTimestamp'] = time() - 4000;
        $metaDataCache->set($sessionIdentifier1, $sessionInfo1, ['session'], 0);
        // Because we change the timeout post factum, the previously valid session
        // now expires:
        $settings['session']['inactivityTimeout'] = 3000;
        // Create a second session which should remove the first expired session
        // implicitly by calling autoExpire()
        /** @var Session $session */
        $session = $this->getAccessibleMock(Session::class, ['dummy']);
        $this->inject($session, 'bootstrap', $this->mockBootstrap);
        $this->inject($session, 'objectManager', $this->mockObjectManager);
        $this->inject($session, 'metaDataCache', $this->createCache('Meta'));
        $this->inject($session, 'storageCache', $this->createCache('Storage'));
        $session->injectSettings($settings);
        $session->initializeObject();
        $session->start();
        $sessionIdentifier2 = $session->getId();
        $session->putData('session 2 key 1', 'session 1 value 1');
        $session->putData('session 2 key 2', 'session 1 value 2');
        $session->close();
        // Calls autoExpire() internally:
        $session->resume();
        $sessionInfo2 = $metaDataCache->get($sessionIdentifier2);
        // Check how the cache looks like - data of session 1 should be gone:
        $this->assertFalse($metaDataCache->has($sessionIdentifier1), 'session 1 meta entry still there');
        $this->assertFalse($storageCache->has($sessionInfo1['storageIdentifier'] . md5('session 1 key 1')), 'session 1 key 1 still there');
        $this->assertFalse($storageCache->has($sessionInfo1['storageIdentifier'] . md5('session 1 key 2')), 'session 1 key 2 still there');
        $this->assertTrue($storageCache->has($sessionInfo2['storageIdentifier'] . md5('session 2 key 1')), 'session 2 key 1 not there');
        $this->assertTrue($storageCache->has($sessionInfo2['storageIdentifier'] . md5('session 2 key 2')), 'session 2 key 2 not there');
    }