add() public method

public add ( Predis\Connection\NodeConnectionInterface $connection )
$connection Predis\Connection\NodeConnectionInterface
 /**
  * @group disconnected
  */
 public function testCanBeSerialized()
 {
     $connection1 = $this->getMockConnection('tcp://host1?alias=first');
     $connection2 = $this->getMockConnection('tcp://host2?alias=second');
     $cluster = new PredisCluster();
     $cluster->add($connection1);
     $cluster->add($connection2);
     // We use the following line to initialize the underlying hashring.
     $cluster->getConnectionByKey('foo');
     $unserialized = unserialize(serialize($cluster));
     $this->assertEquals($cluster, $unserialized);
 }