/**
* Removes all used services so that a new instance of a service gets
* created. This ensures that our test has no side effects. This behaviour
* is for some services unwanted like i.e. the db connection since we dont
* want to re-establish a db connection for every test. Such services can be
* listed in the _protectedServices property
*/
protected function clearServices()
{
// set original config
Environment::getContainer()->set('config', Environment::getConfig());
// remove services
$serviceIds = Environment::getContainer()->getServiceIds();
foreach ($serviceIds as $serviceId) {
if (!in_array($serviceId, $this->_protectedServices)) {
Environment::getContainer()->set($serviceId, null);
}
}
}
