// TEMPORARILY DISABLED BECAUSE DURING EXECUTION IT HANGS INDEFINITELY (MAYBE A DEADLOCK?)
//[Benchmark]
public async Task CacheTower()
{
await using (var cache = new CacheStack(new[] { new MemoryCacheLayer() }, new[] { new AutoCleanupExtension(TimeSpan.FromMinutes(5)) }))
{
var cacheSettings = new CacheSettings(CacheDuration);
for (int i = 0; i < Rounds; i++)
{
var tasks = new ConcurrentBag <Task>();
Parallel.ForEach(Keys, key =>
{
Parallel.For(0, Accessors, _ =>
{
var t = cache.GetOrSetAsync <SamplePayload>(
key,
async(old) =>
{
await Task.Delay(FactoryDurationMs).ConfigureAwait(false);
return(new SamplePayload());
},
cacheSettings
).AsTask();
tasks.Add(t);
});
});
await Task.WhenAll(tasks).ConfigureAwait(false);
}
// CLEANUP
await cache.FlushAsync();
}
}
public async Task Flush_ThrowsOnUseAfterDisposal()
{
var cacheStack = new CacheStack(new[] { new MemoryCacheLayer() }, null);
using (cacheStack)
{ }
await cacheStack.FlushAsync();
}
public async Task Flush_TriggersCacheChangeExtension()
{
var mockExtension = new Mock <ICacheChangeExtension>();
using var cacheStack = new CacheStack(new[] { new MemoryCacheLayer() }, new[] { mockExtension.Object });
await cacheStack.FlushAsync();
mockExtension.Verify(e => e.OnCacheFlushAsync(), Times.Once);
}
public async Task Flush_FlushesAllTheLayers()
{
var layer1 = new MemoryCacheLayer();
var layer2 = new MemoryCacheLayer();
using var cacheStack = new CacheStack(new[] { layer1, layer2 }, Array.Empty <ICacheExtension>());
var cacheEntry = await cacheStack.SetAsync("Flush_FlushesAllTheLayers", 42, TimeSpan.FromDays(1));
Assert.AreEqual(cacheEntry, await layer1.GetAsync <int>("Flush_FlushesAllTheLayers"));
Assert.AreEqual(cacheEntry, await layer2.GetAsync <int>("Flush_FlushesAllTheLayers"));
await cacheStack.FlushAsync();
Assert.IsNull(await layer1.GetAsync <int>("Flush_FlushesAllTheLayers"));
Assert.IsNull(await layer2.GetAsync <int>("Flush_FlushesAllTheLayers"));
}