func TestRedis(t *testing.T) {
	s, _ := testutil.PrepareTestRedis()
	for i := 0; i < 10000; i++ {
		s.Set("key"+strconv.Itoa(i), "hoge"+strconv.Itoa(i))
	}
	client := redis.NewClient(&redis.Options{Addr: s.Addr()})

	// 普通にループ
	result := map[string]string{}
	for i := 0; i < 10000; i++ {
		key := "key" + strconv.Itoa(i)
		res, _ := client.Get(key).Result()
		result[key] = res
	}

	// Pipelineを使ってループ
	m := map[string]*redis.StringCmd{}
	pipe := client.Pipeline()
	for i := 0; i < 10000; i++ {
		m["key"+strconv.Itoa(i)] = pipe.Get("key" + strconv.Itoa(i))
	}
	_, err := pipe.Exec()
	if err != nil {
		panic(err)
	}

	result2 := map[string]string{}
	for k, v := range m {
		res, _ := v.Result()
		result2[k] = res
	}
}