Ejemplo n.º 1
0
        public void EvictionLimitIsReached()
        {
            _client.ConfigEviction(CollectionName, EvictionType.LessRecentlyUsed, 100, 10, 0);

            var desc = _client.GetServerDescription();

            Assert.IsNotNull(desc);
            Assert.AreEqual(desc.DataStoreInfoByFullName.Count, 1);

            var info = desc.DataStoreInfoByFullName[CollectionName];

            Assert.IsNotNull(info);
            Assert.AreEqual(info.EvictionPolicy, EvictionType.LessRecentlyUsed);

            //add one item
            var item1 = new CacheableTypeOk(1, 1001, "aaa", new DateTime(2010, 10, 10), 1500);

            _client.PutOne(item1);

            //reload the item by primary key
            var item1Reloaded = _client.GetOne <CacheableTypeOk>(i => i.PrimaryKey == 1);

            Assert.AreEqual(item1, item1Reloaded);

            //add 100 items; eviction should be triggered(10 items should be removed)
            for (var i = 0; i < 100; i++)
            {
                var item = new CacheableTypeOk(i + 2, i + 1002, "aaa", new DateTime(2010, 10, 10), 1500);
                _client.PutOne(item);
            }

            //reload all items
            IList <CacheableTypeOk> itemsInAaa = _client.GetMany <CacheableTypeOk>(i => i.IndexKeyFolder == "aaa").ToList();

            Assert.AreEqual(91, itemsInAaa.Count); //eviction triggered at 100 removed 10 added 1

            var itemsAsList = new List <CacheableTypeOk>(itemsInAaa);

            itemsAsList.Sort((x, y) => x.PrimaryKey.CompareTo(y.PrimaryKey));

            //check that the first 10 items were evicted
            Assert.IsTrue(itemsAsList[0].PrimaryKey == 11);

            //update the first item. This should prevent it from being evicted
            _client.PutOne(new CacheableTypeOk(11, 1001, "aaa", new DateTime(2010, 10, 10), 1500));

            for (var i = 0; i < 10; i++)
            {
                var item = new CacheableTypeOk(i + 102, i + 1102, "aaa", new DateTime(2010, 10, 10), 1500);
                _client.PutOne(item);
            }

            itemsInAaa = _client.GetMany <CacheableTypeOk>(i => i.IndexKeyFolder == "aaa").ToList();
            Assert.AreEqual(itemsInAaa.Count, 91); //(100 - 10 +1)


            itemsAsList = new List <CacheableTypeOk>(itemsInAaa);
            itemsAsList.Sort((x, y) => x.PrimaryKey.CompareTo(y.PrimaryKey));

            //check that the item having 11 as primary key was not evicted
            Assert.AreEqual(11, itemsAsList[0].PrimaryKey);
            Assert.AreEqual(22, itemsAsList[1].PrimaryKey);
        }