public function testZookeeperClient() { $zookeeperMock = $this->getMockBuilder('\\ZooKeeper')->disableOriginalConstructor()->getMock(); $hosts = ['127.0.0.1' => 2181]; $zookeeper = new Zookeeper($hosts); $this->assertInstanceOf('\\ZooKeeper', $zookeeper->getZookeeper()); $zookeeper->setZookeeper($zookeeperMock); $this->assertEquals($zookeeperMock, $zookeeper->getZookeeper()); }