public void TestCacheTimeToLive_Sliding()
{
return;
var ttl = 3;
int misses = 0;
string result;
var stopwatch = new Stopwatch();
Func <string> getter = () => { misses++; return(misses.ToString()); };
var cache = GetCacheWithSlidingExpiration("sliding-expire-cache", TimeSpan.FromSeconds(ttl));
cache.ClearAll();
stopwatch.Start();
result = cache.Get("key", getter);
DateTime insertTime = DateTime.Now;
Assert.AreEqual(1, misses);
Assert.AreEqual("1", result);
result = cache.Get("key", getter);
Assert.AreEqual(1, misses);
Assert.AreEqual("1", result);
CacheTestTools.AssertValueDoesntChangeWithin(cache, "key", "1", getter, stopwatch, ttl + 60);
// Should expire within TTL+60sec from last access
CacheTestTools.AssertValueDoesChangeAfter(cache, "key", "1", getter, stopwatch, ttl + 60.1);
result = cache.Get("key", getter);
Assert.AreNotEqual(1, misses);
Assert.AreNotEqual("1", result);
}
public void TestCacheTimeToLive_Constant()
{
var ttl = 3;
int misses = 0;
string result;
var stopwatch = new Stopwatch();
Func <string> getter = () => { misses++; return(misses.ToString()); };
var expireAt = DateTime.Now.AddSeconds(ttl);
stopwatch.Start();
var cache = GetCacheWithAbsoluteExpiration("constant-expire", expireAt);
cache.ClearAll();
result = cache.Get("key", getter);
DateTime insertTime = DateTime.Now;
Assert.AreEqual(1, misses);
Assert.AreEqual("1", result);
result = cache.Get("key", getter);
Assert.AreEqual(1, misses);
Assert.AreEqual("1", result);
CacheTestTools.AssertValueDoesntChangeWithin(cache, "key", "1", getter, stopwatch, ttl);
// Should expire within TTL+60sec from insert
CacheTestTools.AssertValueDoesChangeWithin(cache, "key", "1", getter, stopwatch, 60.1);
result = cache.Get("key", getter);
Assert.AreNotEqual(1, misses);
Assert.AreNotEqual("1", result);
}
public void TestCacheTimeToLive_FromInsert()
{
var ttl = 3;
int misses = 0;
string result;
var stopwatch = new Stopwatch();
Func <string> getter = () => { misses++; return(misses.ToString()); };
var cache = GetCacheWithExpirationFromAdd("insert-expire-cache", TimeSpan.FromSeconds(ttl));
cache.ClearAll();
stopwatch.Start();
result = cache.Get("key", getter);
Assert.AreEqual(1, misses);
Assert.AreEqual("1", result);
result = cache.Get("key", getter);
Assert.AreEqual(1, misses);
Assert.AreEqual("1", result);
CacheTestTools.AssertValueDoesntChangeWithin(cache, "key", "1", getter, stopwatch, ttl);
// Should expire within TTL+60sec from insert
CacheTestTools.AssertValueDoesChangeWithin(cache, "key", "1", getter, stopwatch, 60.1);
result = cache.Get("key", getter);
Assert.AreNotEqual(1, misses);
Assert.AreNotEqual("1", result);
}
