protected override Task <IEnumerable <CacheItem <T> > > GetItemsAsync <T>(IEnumerable <string> keys, string partition)
{
if (!string.IsNullOrEmpty(partition))
{
keys = keys.Select(key => $"${partition}$|{key}").ToList();
}
return(Task.FromResult(_client.GetValues(keys, null).Select(pair => (CacheItem <T>)pair.Value).ToList().AsEnumerable()));
}
public void TestExpiredGetValues ()
{
var config = new NameValueCollection ();
config["cacheMemoryLimitMegabytes"] = 0.ToString ();
config["physicalMemoryLimitPercentage"] = 100.ToString ();
config["__MonoEmulateOneCPU"] = true.ToString ();
// it appears that pollingInterval does nothing, so we set the Mono timer as well
config["pollingInterval"] = new TimeSpan (0, 0, 10).ToString ();
config["__MonoTimerPeriod"] = 10.ToString ();
using (var mc = new MemoryCache ("TestExpiredGetValues", config)) {
Assert.AreEqual (0, mc.GetCount (), "#EGV1");
var keys = new List<string> ();
// add some short duration entries
for (int i = 0; i < 10; i++) {
var key = "short-" + i;
var expireAt = DateTimeOffset.Now.AddSeconds (1);
mc.Add (key, i.ToString (), expireAt);
keys.Add (key);
}
Assert.AreEqual (10, mc.GetCount (), "#EGV2");
global::System.Threading.Thread.Sleep (1000);
// we have waited but the items won't be expired by the timer since it wont have fired yet
Assert.AreEqual (10, mc.GetCount (), "#EGV3");
// calling GetValues() will expire the items since we are now past their expiresAt
mc.GetValues (keys);
Assert.AreEqual (0, mc.GetCount (), "#EGV4");
}
}
