public override void SetUp()
{
this.Context = TestConfiguration.GetDataContext();
this.CacheClient = new MemcachedClient();
this.CacheClient.FlushAll();
this._cacheHitCount = 0;
this.TableCache = GetEnyimTableCache(this.CacheClient);
this.TableCache.OnHit += () => this._cacheHitCount++;
this.TableCache.OnLog += s => Logger.Debug(s);
}
public void DataContext_Caching_UserSpecificIndexUpdatedByFullIndex()
{
cacheClient.FlushAll();
this._cacheHitCount = 0;
var ctx = TestConfiguration.GetDataContext(tablePrefix);
var fullTable = ctx.GetTable <FullEntity>(() =>
{
var cache = new EnyimTableCache(cacheClient, TimeSpan.MaxValue);
cache.OnLog += s => Debug.WriteLine("{0} FullEntityCache: {1}", DateTime.Now, s);
cache.OnHit += this.OnCacheHit;
return(cache);
});
var userSpecificTable1 = ctx.GetTable <UserEntity>
(
userId1,
() =>
{
var cache = new EnyimTableCache(cacheClient, TimeSpan.MaxValue);
cache.OnLog += s => Debug.WriteLine("{0} UserEntityCache1: {1}", DateTime.Now, s);
cache.OnHit += this.OnCacheHit;
return(cache);
}
);
var userSpecificTable2 = ctx.GetTable <UserEntity>
(
userId2,
() =>
{
var cache = new EnyimTableCache(cacheClient, TimeSpan.MaxValue);
cache.OnLog += s => Debug.WriteLine("{0} UserEntityCache2: {1}", DateTime.Now, s);
cache.OnHit += this.OnCacheHit;
return(cache);
}
);
var fullQuery = from en in fullTable where en.DateTimeField >= dtNow && (intRange.Contains(en.IntField)) select en;
var userSpecificQuery1 = from en in userSpecificTable1 where en.DateTimeField >= dtNow && (intRange.Contains(en.IntField)) select en;
var userSpecificQuery2 = from en in userSpecificTable2 where en.DateTimeField < dtNow && en.IntField < 3 select en;
// loading indexes - they should be put to cache
Assert.AreEqual(2, fullQuery.AsEnumerable().Count(), "Failed to load full query from table");
Assert.AreEqual(1, userSpecificQuery1.AsEnumerable().Count(), "Failed to load user-specific query1 from table");
Assert.AreEqual(0, userSpecificQuery2.AsEnumerable().Count(), "The user-specific query2 should return 0 entities");
Assert.AreEqual(0, this._cacheHitCount, "Cache wasn't flushed for some strange reason");
// now loading from cache
Assert.AreEqual(2, fullQuery.AsEnumerable().Count(), "Failed to load full query from cache");
Assert.AreEqual(1, userSpecificQuery1.AsEnumerable().Count(), "Failed to load user-specific query from cache");
Assert.AreEqual(0, userSpecificQuery2.AsEnumerable().Count(), "The user-specific query2 should return 0 entities");
Assert.AreEqual(3, this._cacheHitCount, "The queries were not loaded from cache");
// now adding 2 new entities - they should appear in both indexes
fullTable.InsertOnSubmit
(
new FullEntity()
{
HashKey = userId1,
RangeKey = rangeKey5,
DateTimeField = dtNow + TimeSpan.FromDays(1000),
IntField = 5
}
);
fullTable.InsertOnSubmit
(
new FullEntity()
{
HashKey = userId1,
RangeKey = rangeKey4,
DateTimeField = dtNow + TimeSpan.FromDays(9999),
IntField = 4
}
);
ctx.SubmitChanges();
this._cacheHitCount = 0;
// now loading from cache
Assert.AreEqual(4, fullQuery.AsEnumerable().Count(), "Failed to load full query from cache");
Assert.AreEqual(3, userSpecificQuery1.AsEnumerable().Count(), "Failed to load user-specific query from cache");
Assert.AreEqual(0, userSpecificQuery2.AsEnumerable().Count(), "The user-specific query2 should return 0 entities");
Assert.AreEqual(3, this._cacheHitCount, "The queries were not loaded from cache");
// now removing a couple of entities
fullTable.RemoveOnSubmit(new FullEntity()
{
HashKey = userId1, RangeKey = rangeKey1
});
fullTable.RemoveOnSubmit(new FullEntity()
{
HashKey = userId1, RangeKey = rangeKey3
});
ctx.SubmitChanges();
this._cacheHitCount = 0;
// now loading from cache
Assert.AreEqual(3, fullQuery.AsEnumerable().Count(), "Failed to load full query from cache");
Assert.AreEqual(2, userSpecificQuery1.AsEnumerable().Count(), "Failed to load user-specific query from cache");
Assert.AreEqual(0, userSpecificQuery2.AsEnumerable().Count(), "The user-specific query2 should return 0 entities");
Assert.AreEqual(3, this._cacheHitCount, "The queries were not loaded from cache");
// now loading from DynamoDb again
cacheClient.FlushAll();
this._cacheHitCount = 0;
Assert.AreEqual(3, fullQuery.AsEnumerable().Count(), "Failed to load full query from cache");
Assert.AreEqual(2, userSpecificQuery1.AsEnumerable().Count(), "Failed to load user-specific query from cache");
Assert.AreEqual(0, userSpecificQuery2.AsEnumerable().Count(), "The user-specific query2 should return 0 entities");
Assert.AreEqual(0, this._cacheHitCount, "Cache wasn't flushed for some strange reason");
}
