public void Create_WithGoodPredicate_Succeeds()
{
Predicate<CachedValue<string>> predicate = (item) => true;
var strategy = new GenericExpirationStrategy<string>(predicate);
Assert.IsNotNull(strategy);
}
public void IsExpired_WorksCorrectly_Test()
{
Predicate<CachedValue<string>> predicate = (item) => (item.Value == "expired");
var strategy = new GenericExpirationStrategy<string>(predicate);
Assert.IsFalse(strategy.IsExpired(new CachedValue<string>("good")));
Assert.IsTrue(strategy.IsExpired(new CachedValue<string>("expired")));
}
public void CheckAndSetCache_Clean_Works()
{
var strategy = new GenericExpirationStrategy<object>(v => (int)v.Value == 2);
using (var cache = new CheckAndSetCache<string, object>(strategy))
{
cache.Add("1", 1);
cache.Add("2", 2);
cache.Add("3", 3);
Assert.AreEqual(3, cache.Count);
cache.Clean();
Assert.AreEqual(2, cache.Count);
}
}
public void GenericOnDemandRefreshCache_Clean_Functions()
{
var strategy = new GenericExpirationStrategy<string>(v => v.Value == "value1");
Func<string, string> missing = (key) => key;
var cache = GenericOnDemandRefreshCache.Create(strategy, missing);
cache.Add("key1", "value1");
cache.Add("key2", key => key + "value2");
cache.Add("key3", "value3", key => key + "value3");
Assert.AreEqual(3, cache.Count);
cache.Clean();
Assert.AreEqual(2, cache.Count);
Assert.AreEqual(1, cache.Statistics.Cleanings.Value);
Assert.AreEqual(0, cache.Statistics.Evictions.Value);
Assert.AreEqual(0, cache.Statistics.Requests.Value);
Assert.AreEqual(0, cache.Statistics.Hits.Value);
Assert.AreEqual(3, cache.Statistics.Updates.Value);
Assert.AreEqual(0, cache.Statistics.Misses.Value);
}
public void GenericBackgroundRefreshCache_Clean_Functions()
{
var timespan = TimeSpan.FromDays(1);
var strategy = new GenericExpirationStrategy<string>(v => v.Value == "value1");
Func<string, string> factory = (key) => key;
var cache = GenericBackgroundRefreshCache.Create(timespan, strategy, factory);
cache.Add("key1", "value1");
cache.Add("key2", key => key + "value2");
cache.Add("key3", "value3", key => key + "value3");
Assert.AreEqual(3, cache.Count);
cache.Clean();
Assert.AreEqual(2, cache.Count);
Assert.AreEqual(1, cache.Statistics.Cleanings.Value);
Assert.AreEqual(0, cache.Statistics.Evictions.Value);
Assert.AreEqual(0, cache.Statistics.Requests.Value);
Assert.AreEqual(0, cache.Statistics.Hits.Value);
Assert.AreEqual(3, cache.Statistics.Updates.Value);
Assert.AreEqual(0, cache.Statistics.Misses.Value);
}
public void Create_WithBadPredicate_Throws()
{
Predicate<CachedValue<string>> predicate = null;
var strategy = new GenericExpirationStrategy<string>(predicate);
}
