/**
* Get new model instance via service manager
*
* This method allows temporarily overriding services with manually supplied
* instances. This is useful for injecting mock objects which will be passed
* to the model's constructor by a factory. A clone of the service manager is
* used to avoid interference with other tests.
*
* @param array $overrideServices Optional associative array (name => instance) with services to override
* @return object Model instance
*/
protected function _getModel(array $overrideServices = array())
{
if (empty($overrideServices)) {
$serviceManager = static::$serviceManager;
} else {
// Create temporary service manager with identical configuration.
$config = static::$serviceManager->get('config');
$serviceManager = new \Zend\ServiceManager\ServiceManager($config['service_manager']);
// Clone 'config' service
$serviceManager->setService('config', $config);
// If not explicitly overridden, copy database services to avoid
// expensive reconnect or table setup which has already been done.
if (!isset($overrideServices['Db'])) {
$serviceManager->setService('Db', static::$serviceManager->get('Db'));
}
if (!isset($overrideServices['Database\\Nada'])) {
$serviceManager->setService('Database\\Nada', static::$serviceManager->get('Database\\Nada'));
}
// Override specified services
foreach ($overrideServices as $name => $service) {
$serviceManager->setService($name, $service);
}
}
// Always build a new instance.
return $serviceManager->build($this->_getClass());
}
