public void LeastRecentlyUsedCacheInsertThrowsIfKeyIsNull()
{
var cache = new LeastRecentlyUsedCache <int?, TestCacheStub>(5);
var cacheItem = new TestCacheStub {
Id = 1, Value = 1.1
};
Assert.Throws <ArgumentNullException>(() => cache.Insert(null, cacheItem));
}
public void LeastRecentlyUsedCacheInsertsItemIntoCache()
{
const int expectedCount = 1;
var cache = new LeastRecentlyUsedCache <int, TestCacheStub>(5);
var cacheItem = new TestCacheStub {
Id = 1, Value = 1.1
};
cache.Insert(cacheItem.Id, cacheItem);
Assert.AreEqual(expectedCount, cache.Count);
}
public void LeastRecentlyUsedCacheTryGetItemReturnsFalseIfItemIsInCache()
{
var cache = new LeastRecentlyUsedCache <int, TestCacheStub>(5);
var cacheItem = new TestCacheStub {
Id = 1, Value = 1.1
};
cache.Insert(cacheItem.Id, cacheItem);
TestCacheStub value;
bool result = cache.TryGetItem(2, out value);
Assert.IsFalse(result);
}
public void Can_get_item_from_cache_and_expires_absolute()
{
// Arrange
const string cacheKey = "TestAbsoluteKey";
NetMemoryCacheManager memoryCacheManager = new NetMemoryCacheManager {AbsoluteExpiry = 2};
// Act
TestCacheStub testCacheClass = new TestCacheStub();
memoryCacheManager.AddOrUpdate(cacheKey, testCacheClass);
// Assert
Assert.AreEqual(testCacheClass, memoryCacheManager.Get<TestCacheStub>(cacheKey));
Thread.Sleep(new TimeSpan(0,0,0,1));
Assert.AreEqual(testCacheClass, memoryCacheManager.Get<TestCacheStub>(cacheKey));
Thread.Sleep(new TimeSpan(0, 0, 0, 1));
Assert.IsNull(memoryCacheManager.Get<TestCacheStub>(cacheKey));
}
public void Cache_destroyed_and_recreated()
{
// Arrange
const string cacheKey = "TestDestroyedCache";
NetMemoryCacheManager memoryCacheManager = new NetMemoryCacheManager {AbsoluteExpiry = 200};
// Act
TestCacheStub testCacheClass = new TestCacheStub();
memoryCacheManager.AddOrUpdate(cacheKey, testCacheClass);
// Assert
Assert.AreEqual(testCacheClass, memoryCacheManager.Get<TestCacheStub>(cacheKey));
memoryCacheManager.ClearCache();
Assert.IsNull(memoryCacheManager.Get<TestCacheStub>(cacheKey));
memoryCacheManager.AddOrUpdate(cacheKey, testCacheClass);
Assert.AreEqual(testCacheClass, memoryCacheManager.Get<TestCacheStub>(cacheKey));
}
public void Can_get_item_from_cache_and_expires_absolute()
{
// Arrange
const string cacheKey = "TestAbsoluteKey";
NetMemoryCacheManager memoryCacheManager = new NetMemoryCacheManager {
AbsoluteExpiry = 2
};
// Act
TestCacheStub testCacheClass = new TestCacheStub();
memoryCacheManager.AddOrUpdate(cacheKey, testCacheClass);
// Assert
Assert.AreEqual(testCacheClass, memoryCacheManager.Get <TestCacheStub>(cacheKey));
Thread.Sleep(new TimeSpan(0, 0, 0, 1));
Assert.AreEqual(testCacheClass, memoryCacheManager.Get <TestCacheStub>(cacheKey));
Thread.Sleep(new TimeSpan(0, 0, 0, 1));
Assert.IsNull(memoryCacheManager.Get <TestCacheStub>(cacheKey));
}
public void Cache_destroyed_and_recreated()
{
// Arrange
const string cacheKey = "TestDestroyedCache";
NetMemoryCacheManager memoryCacheManager = new NetMemoryCacheManager {
AbsoluteExpiry = 200
};
// Act
TestCacheStub testCacheClass = new TestCacheStub();
memoryCacheManager.AddOrUpdate(cacheKey, testCacheClass);
// Assert
Assert.AreEqual(testCacheClass, memoryCacheManager.Get <TestCacheStub>(cacheKey));
memoryCacheManager.ClearCache();
Assert.IsNull(memoryCacheManager.Get <TestCacheStub>(cacheKey));
memoryCacheManager.AddOrUpdate(cacheKey, testCacheClass);
Assert.AreEqual(testCacheClass, memoryCacheManager.Get <TestCacheStub>(cacheKey));
}