public void GetAllVideosTest()
        {
            VideoManager          target = new VideoManager();
            List <VideoInfoModel> actual = target.GetAllVideos();

            Assert.AreEqual(actual.Count >= 1, true);
        }
 /// <summary>
 /// 获取所有摄像头信息
 /// </summary>
 /// <returns></returns>
 public List <VideoInfoModel> GetAllVideos()
 {
     return(videoManager.GetAllVideos());
 }