public function testSlaves()
{
$slaves = $this->sentinel->slaves($this->sentinelConfig->clustername);
$this->assertInternalType('array', $slaves);
$this->assertCount(1, $slaves);
$this->assertArrayHasKey(0, $slaves);
$this->assertArrayHasKey(5, $slaves[0]);
$this->assertEquals(6385, $slaves[0][5]);
$slaves = $this->sentinel->slaves('masterdown');
$this->assertInternalType('array', $slaves);
$this->assertCount(0, $slaves);
$this->setExpectedException('CredisException', 'No such master with that name');
$this->sentinel->slaves('non-existing-cluster');
}