public function testReturnNullIfDataNotFound() { $memcacheObject = $this->getMock('StdClass', ['get', 'getResultCode']); $memcacheObject->expects($this->once())->method('get')->with($this->equalTo('bar'))->will($this->returnValue(null)); $memcacheObject->expects($this->once())->method('getResultCode')->will($this->returnValue(1)); $memcached = new Cygnite\Cache\Storage\Memcached($memcacheObject); $this->assertNull($memcached->get('bar')); }