public void RedisTest()
        {
            RedisScheduler redisScheduler = new RedisScheduler("localhost", "");

            ISpider spider = new DefaultSpider();
            redisScheduler.Clear();

            Request request = new Request("http://www.ibm.com/developerworks/cn/java/j-javadev2-22/", 1, null);
            request.PutExtra("1", "2");
            redisScheduler.Push(request);
            Request result = redisScheduler.Poll();
            Assert.AreEqual("http://www.ibm.com/developerworks/cn/java/j-javadev2-22/", result.Url.ToString());
            Request result1 = redisScheduler.Poll();
            Assert.IsNull(result1);
            redisScheduler.Dispose();

            redisScheduler.Clear();
        }
        public void Redis_QueueTest()
        {
            RedisScheduler redisScheduler = new RedisScheduler("localhost", "");

            ISpider spider = new DefaultSpider();
            Request request1 = new Request("http://www.ibm.com/1", 1, null);
            Request request2 = new Request("http://www.ibm.com/2", 1, null);
            Request request3 = new Request("http://www.ibm.com/3", 1, null);
            Request request4 = new Request("http://www.ibm.com/4", 1, null);
            redisScheduler.Push(request1);
            redisScheduler.Push(request2);
            redisScheduler.Push(request3);
            redisScheduler.Push(request4);

            Request result = redisScheduler.Poll();
            Assert.AreEqual("http://www.ibm.com/4", result.Url.ToString());
            Request result1 = redisScheduler.Poll();
            Assert.AreEqual("http://www.ibm.com/3", result1.Url.ToString());
            redisScheduler.Dispose();
        }