Elastica\Client::addConnection PHP Method

    public function addConnection(Connection $connection)
    {
        $this->_connectionPool->addConnection($connection);
        return $this;
    }

 /**
  * @expectedException \Elastica\Exception\ResponseException
  */
 public function testInvalidElasticRequest()
 {
     $connection = new Connection();
     $connection->setHost('localhost');
     $connection->setPort(9500);
     $connection->setTransport('Thrift');
     $client = new Client();
     $client->addConnection($connection);
     $index = new Index($client, 'missing_index');
     $index->getStatus();
 }