public function testGetHostAndPort()
{
$host = 'localhost';
$port = '123456';
$client = $this->getMock('\\Credis_Client');
$sentinel = new Credis_Sentinel($client);
$client->expects($this->once())->method('getHost')->willReturn($host);
$client->expects($this->once())->method('getPort')->willReturn($port);
$this->assertEquals($host, $sentinel->getHost());
$this->assertEquals($port, $sentinel->getPort());
}