Predis\Connection\Aggregate\RedisCluster::askSlotsMap PHP Метод

    public function askSlotsMap(NodeConnectionInterface $connection = null)
    {
        if (!$connection && !($connection = $this->getRandomConnection())) {
            return array();
        }
        $this->resetSlotsMap();
        $response = $this->queryClusterNodeForSlotsMap($connection);
        foreach ($response as $slots) {
            // We only support master servers for now, so we ignore subsequent
            // elements in the $slots array identifying slaves.
            list($start, $end, $master) = $slots;
            if ($master[0] === '') {
                $this->setSlots($start, $end, (string) $connection);
            } else {
                $this->setSlots($start, $end, "{$master[0]}:{$master[1]}");
            }
        }
        return $this->slotsMap;
    }

 /**
  * @group disconnected
  */
 public function testFetchSlotsMapFromClusterWithClusterSlotsCommand()
 {
     $response = array(array(12288, 13311, array('10.1.0.51', 6387), array('10.1.0.52', 6387)), array(3072, 4095, array('10.1.0.52', 6392), array('10.1.0.51', 6392)), array(6144, 7167, array('', 6384), array('10.1.0.52', 6384)), array(14336, 15359, array('10.1.0.51', 6388), array('10.1.0.52', 6388)), array(15360, 16383, array('10.1.0.52', 6398), array('10.1.0.51', 6398)), array(1024, 2047, array('10.1.0.52', 6391), array('10.1.0.51', 6391)), array(11264, 12287, array('10.1.0.52', 6396), array('10.1.0.51', 6396)), array(5120, 6143, array('10.1.0.52', 6393), array('10.1.0.51', 6393)), array(0, 1023, array('10.1.0.51', 6381), array('10.1.0.52', 6381)), array(13312, 14335, array('10.1.0.52', 6397), array('10.1.0.51', 6397)), array(4096, 5119, array('10.1.0.51', 6383), array('10.1.0.52', 6383)), array(9216, 10239, array('10.1.0.52', 6395), array('10.1.0.51', 6395)), array(8192, 9215, array('10.1.0.51', 6385), array('10.1.0.52', 6385)), array(10240, 11263, array('10.1.0.51', 6386), array('10.1.0.52', 6386)), array(2048, 3071, array('10.1.0.51', 6382), array('10.1.0.52', 6382)), array(7168, 8191, array('10.1.0.52', 6394), array('10.1.0.51', 6394)));
     $command = Command\RawCommand::create('CLUSTER', 'SLOTS');
     $connection1 = $this->getMockConnection('tcp://10.1.0.51:6384');
     $connection1->expects($this->once())->method('executeCommand')->with($command)->will($this->returnValue($response));
     $factory = $this->getMock('Predis\\Connection\\Factory');
     $cluster = new RedisCluster($factory);
     $cluster->add($connection1);
     $cluster->askSlotsMap();
     $this->assertSame($cluster->getConnectionBySlot('6144'), $connection1);
 }