async void GetCachedItemAsync_GetItemThatExistsWithAbsoluteExpiration_ItemIsMovedToLastItem(
[Frozen] Mock <IReliableStateManagerReplica2> stateManager,
[Frozen] Mock <IReliableDictionary <string, CachedItem> > cacheItemDict,
[Frozen] Mock <IReliableDictionary <string, CacheStoreMetadata> > metadataDict,
[Frozen] Mock <ISystemClock> systemClock,
[Greedy] ServiceFabricDistributedCacheStoreService cacheStore)
{
var cacheValue = Encoding.UTF8.GetBytes("someValue");
var currentTime = new DateTime(2019, 2, 1, 1, 0, 0);
var expireTime = currentTime.AddSeconds(30);
systemClock.SetupGet(m => m.UtcNow).Returns(currentTime);
SetupInMemoryStores(stateManager, cacheItemDict);
var metadata = SetupInMemoryStores(stateManager, metadataDict);
await cacheStore.SetCachedItemAsync("mykey1", cacheValue, null, expireTime);
await cacheStore.SetCachedItemAsync("mykey2", cacheValue, null, expireTime);
await cacheStore.SetCachedItemAsync("mykey3", cacheValue, null, expireTime);
Assert.Equal("mykey3", metadata["CacheStoreMetadata"].LastCacheKey);
await cacheStore.GetCachedItemAsync("mykey2");
Assert.Equal("mykey2", metadata["CacheStoreMetadata"].LastCacheKey);
}
async void RemoveLeastRecentlyUsedCacheItemWhenOverMaxCacheSize_RemoveItemsFromLinkedDictionary_DoesNotRemoveNonExpiredItems(
[Frozen] Mock <IReliableStateManagerReplica2> stateManager,
[Frozen] Mock <IReliableDictionary <string, CachedItem> > cacheItemDict,
[Frozen] Mock <IReliableDictionary <string, CacheStoreMetadata> > metadataDict,
[Frozen] Mock <ISystemClock> systemClock,
[Greedy] ServiceFabricDistributedCacheStoreService cacheStore)
{
var cacheValue = new byte[1000000];
var currentTime = new DateTime(2019, 2, 1, 1, 0, 0);
systemClock.SetupGet(m => m.UtcNow).Returns(currentTime);
var cachedItems = SetupInMemoryStores(stateManager, cacheItemDict);
var metadata = SetupInMemoryStores(stateManager, metadataDict);
await cacheStore.SetCachedItemAsync("1", cacheValue, TimeSpan.FromMinutes(10), null);
for (var i = 2; i <= 10; i++)
{
await cacheStore.SetCachedItemAsync(i.ToString(), cacheValue, TimeSpan.FromSeconds(10), null);
}
systemClock.SetupGet(m => m.UtcNow).Returns(currentTime.AddSeconds(10));
await cacheStore.RemoveLeastRecentlyUsedCacheItemWhenOverMaxCacheSize();
Assert.Single(cachedItems);
Assert.Equal("1", metadata["CacheStoreMetadata"].FirstCacheKey);
Assert.Equal("1", metadata["CacheStoreMetadata"].LastCacheKey);
}
async void GetCachedItemAsync_GetItemThatDoesHaveKeyAndIsIsSlidingExpired_SlidedExpirationUpdates(
[Frozen] Mock <IReliableStateManagerReplica2> stateManager,
[Frozen] Mock <IReliableDictionary <string, CachedItem> > cacheItemDict,
[Frozen] Mock <IReliableDictionary <string, CacheStoreMetadata> > metadataDict,
[Frozen] Mock <ISystemClock> systemClock,
[Greedy] ServiceFabricDistributedCacheStoreService cacheStore)
{
var cacheValue = Encoding.UTF8.GetBytes("someValue");
var currentTime = new DateTime(2019, 2, 1, 1, 0, 0);
systemClock.SetupGet(m => m.UtcNow).Returns(currentTime);
SetupInMemoryStores(stateManager, cacheItemDict);
SetupInMemoryStores(stateManager, metadataDict);
await cacheStore.SetCachedItemAsync("mykey", cacheValue, TimeSpan.FromSeconds(10), null);
systemClock.SetupGet(m => m.UtcNow).Returns(currentTime.AddSeconds(5));
var resultAfter5Seconds = await cacheStore.GetCachedItemAsync("mykey");
Assert.Equal(cacheValue, resultAfter5Seconds);
systemClock.SetupGet(m => m.UtcNow).Returns(currentTime.AddSeconds(8));
var resultAfter8Seconds = await cacheStore.GetCachedItemAsync("mykey");
Assert.Equal(cacheValue, resultAfter8Seconds);
systemClock.SetupGet(m => m.UtcNow).Returns(currentTime.AddSeconds(9));
var resultAfter9Seconds = await cacheStore.GetCachedItemAsync("mykey");
Assert.Equal(cacheValue, resultAfter9Seconds);
systemClock.SetupGet(m => m.UtcNow).Returns(currentTime.AddSeconds(19));
var resultAfter19Seconds = await cacheStore.GetCachedItemAsync("mykey");
Assert.Null(resultAfter19Seconds);
}
async void RemoveCachedItemAsync_RemoveItemsFromLinkedDictionary_ListStaysLinkedTogetherAfterItemsRemoved(
[Frozen] Mock <IReliableStateManagerReplica2> stateManager,
[Frozen] Mock <IReliableDictionary <string, CachedItem> > cacheItemDict,
[Frozen] Mock <IReliableDictionary <string, CacheStoreMetadata> > metadataDict,
[Frozen] Mock <ISystemClock> systemClock,
[Greedy] ServiceFabricDistributedCacheStoreService cacheStore)
{
var cacheValue = Encoding.UTF8.GetBytes("someValue");
var currentTime = new DateTime(2019, 2, 1, 1, 0, 0);
systemClock.SetupGet(m => m.UtcNow).Returns(currentTime);
var cachedItems = SetupInMemoryStores(stateManager, cacheItemDict);
var metadata = SetupInMemoryStores(stateManager, metadataDict);
await cacheStore.SetCachedItemAsync("1", cacheValue, TimeSpan.FromSeconds(10), null);
await cacheStore.SetCachedItemAsync("2", cacheValue, TimeSpan.FromSeconds(10), null);
await cacheStore.SetCachedItemAsync("3", cacheValue, TimeSpan.FromSeconds(10), null);
await cacheStore.SetCachedItemAsync("4", cacheValue, TimeSpan.FromSeconds(10), null);
await cacheStore.SetCachedItemAsync("5", cacheValue, TimeSpan.FromSeconds(10), null);
await cacheStore.SetCachedItemAsync("6", cacheValue, TimeSpan.FromSeconds(10), null);
await cacheStore.SetCachedItemAsync("7", cacheValue, TimeSpan.FromSeconds(10), null);
await cacheStore.SetCachedItemAsync("8", cacheValue, TimeSpan.FromSeconds(10), null);
await cacheStore.RemoveCachedItemAsync("3");
await cacheStore.RemoveCachedItemAsync("4");
await cacheStore.RemoveCachedItemAsync("8");
await cacheStore.RemoveCachedItemAsync("1");
Assert.Null(cachedItems["2"].BeforeCacheKey);
foreach (var item in cachedItems)
{
if (item.Value.BeforeCacheKey != null)
{
Assert.Equal(item.Key, cachedItems[item.Value.BeforeCacheKey].AfterCacheKey);
}
if (item.Value.AfterCacheKey != null)
{
Assert.Equal(item.Key, cachedItems[item.Value.AfterCacheKey].BeforeCacheKey);
}
}
Assert.Null(cachedItems["7"].AfterCacheKey);
Assert.Equal("2", metadata["CacheStoreMetadata"].FirstCacheKey);
Assert.Equal("7", metadata["CacheStoreMetadata"].LastCacheKey);
Assert.Equal((cacheValue.Length + 250) * cachedItems.Count, metadata["CacheStoreMetadata"].Size);
}
async void GetCachedItemAsync_GetItemThatDoesNotExist_NullResultReturned(
[Frozen] Mock <IReliableStateManagerReplica2> stateManager,
[Frozen] Mock <IReliableDictionary <string, CachedItem> > cacheItemDict,
[Frozen] Mock <IReliableDictionary <string, CacheStoreMetadata> > metadataDict,
[Frozen] Mock <ISystemClock> systemClock,
[Greedy] ServiceFabricDistributedCacheStoreService cacheStore)
{
var cacheValue = Encoding.UTF8.GetBytes("someValue");
var currentTime = new DateTime(2019, 2, 1, 1, 0, 0);
var expireTime = currentTime.AddSeconds(1);
systemClock.SetupGet(m => m.UtcNow).Returns(currentTime);
SetupInMemoryStores(stateManager, metadataDict);
SetupInMemoryStores(stateManager, cacheItemDict);
var result = await cacheStore.GetCachedItemAsync("keyThatDoesNotExist");
Assert.Null(result);
}
async void RemoveCachedItemAsync_RemoveItemsFromLinkedDictionary_RemovalWorksWithMalformedMetadata(
[Frozen] Mock <IReliableStateManagerReplica2> stateManager,
[Frozen] Mock <IReliableDictionary <string, CachedItem> > cacheItemDict,
[Frozen] Mock <IReliableDictionary <string, CacheStoreMetadata> > metadataDict,
[Greedy] ServiceFabricDistributedCacheStoreService cacheStore)
{
var cacheValue = Encoding.UTF8.GetBytes("someValue");
var cachedItems = SetupInMemoryStores(stateManager, cacheItemDict);
var metadata = SetupInMemoryStores(stateManager, metadataDict);
await cacheStore.SetCachedItemAsync("1", cacheValue, TimeSpan.FromSeconds(10), null);
await cacheStore.SetCachedItemAsync("2", cacheValue, TimeSpan.FromSeconds(10), null);
await cacheStore.SetCachedItemAsync("3", cacheValue, TimeSpan.FromSeconds(10), null);
metadata["CacheStoreMetadata"] = new CacheStoreMetadata(int.MaxValue, null, "3");
await cacheStore.RemoveLeastRecentlyUsedCacheItemWhenOverMaxCacheSize();
metadata["CacheStoreMetadata"] = new CacheStoreMetadata(int.MaxValue, "Garbage", "3");
await cacheStore.RemoveLeastRecentlyUsedCacheItemWhenOverMaxCacheSize();
}