public void Janitor_AdjustsFrequency_Correctly()
{
var janitor = CacheJanitor.Instance;
var secret = new PrivateObject(janitor);
var cache1 = new CheckAndSetCache<string, object>(Expires.Always<object>());
var cache2 = new CheckAndSetCache<string, object>(Expires.Always<object>());
var cleanup1 = Cleanup.Expired<string, object>(cache1);
var cleanup2 = Cleanup.Expired<string, object>(cache2);
cleanup1.Options = new CleanupOptions
{
Frequency = TimeSpan.FromMilliseconds(200),
};
cleanup2.Options = new CleanupOptions
{
Frequency = TimeSpan.FromMilliseconds(100),
};
// starts with frequency of 200
janitor.Register(cache1, cleanup1);
Assert.AreEqual(cleanup1.Options.Frequency, (TimeSpan)secret.GetField("SleepTime"));
// starts with frequency of 100
janitor.Register(cache2, cleanup2);
Assert.AreEqual(cleanup2.Options.Frequency, (TimeSpan)secret.GetField("SleepTime"));
janitor.Unregister(cache1);
janitor.Unregister(cache2);
}
public void CheckAndSetCache_Clear_Works()
{
var strategy = Expires.Always<object>();
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.Clear();
Assert.AreEqual(0, cache.Count);
}
}
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 CheckAndSetCache_AddAndRemove_Works()
{
using (var cache = new CheckAndSetCache<string, object>())
{
cache.Add("1", 1);
cache.Add("2", (k) => (object)int.Parse(k));
cache.Add("3", 3, (k) => (object)int.Parse(k));
Assert.AreEqual(3, cache.Count);
var result = new List<string> { "1", "2", "3" }.All(cache.Remove);
Assert.IsTrue(result);
Assert.AreEqual(0, cache.Count);
}
}
public void CheckAndSetCache_Enumeration_Works()
{
var strategy = Expires.Never<object>();
var cache = new CheckAndSetCache<string, object>(strategy)
{
{ "1", 1 },
{ "2", 2 },
{ "3", 3 },
};
foreach (var item in cache)
{
Assert.AreEqual(item.Value.Value, (int)cache[item.Key]);
}
// just to get 100%
var enumerable = ((System.Collections.IEnumerable)cache).GetEnumerator();
}
public void Janitor_CleansUp_Correctly()
{
var janitor = CacheJanitor.Instance;
var secret = new PrivateObject(janitor);
var cache = new CheckAndSetCache<string, object>(Expires.Always<object>())
{
{ "key1", "value1" },
{ "key2", "value2" },
{ "key3", "value3" },
};
var cleanup = Cleanup.Expired<string, object>(cache);
cleanup.Options = new CleanupOptions
{
Frequency = TimeSpan.FromMilliseconds(50),
};
Assert.AreEqual(3, cache.Count);
janitor.Register(cache, cleanup);
// cleanup starts
Thread.Sleep(TimeSpan.FromMilliseconds(100));
Assert.AreEqual(0, cache.Count);
janitor.Unregister(cache);
}
public void CheckAndSetCache_GetExpired_Works()
{
var strategy = Expires.Always<object>();
var cache = new CheckAndSetCache<string, object>(strategy);
cache.Add("1", 1);
Assert.AreEqual(null, cache.Get("1"));
Assert.AreEqual(null, cache.Get("2"));
}
public void Janitor_RegistersTwice_Correctly()
{
var janitor = CacheJanitor.Instance;
var secret = new PrivateObject(janitor);
var cache = new CheckAndSetCache<string, object>(Expires.Always<object>());
var hashcode = cache.GetHashCode();
janitor.Register(cache, Cleanup.Expired<string, object>(cache));
janitor.Register(cache, Cleanup.Expired<string, object>(cache));
// TODO validate later
Assert.IsTrue(janitor.Unregister(cache));
}
public void Janitor_RegistersAndStarts_Correctly()
{
var janitor = CacheJanitor.Instance;
var secret = new PrivateObject(janitor);
var cache = new CheckAndSetCache<string, object>(Expires.Always<object>());
Assert.AreEqual(TaskStatus.Created, ((Task)secret.GetField("_janitor")).Status);
janitor.Register(cache, Cleanup.Expired<string, object>(cache));
Thread.Sleep(TimeSpan.FromMilliseconds(50));
Assert.AreEqual(TaskStatus.Running, ((Task)secret.GetField("_janitor")).Status);
janitor.Unregister(cache);
}
