private void EnusreCacheExists()
{
if (_cache != null) return;
lock (_locker)
{
if (_cache == null)
_cache = new ObjectCache();
}
}
public void Should_not_add_to_cache_when_instance_is_null()
{
// Arrange
var key = Guid.NewGuid();
var objectCache = new ObjectCache();
// Act
objectCache.Set(key, null);
// Assert
Assert.That(objectCache.Count, Is.EqualTo(0));
}
public void Should_throw_when_key_is_not_unique()
{
// Arrange
var key = Guid.NewGuid();
var objectCache = new ObjectCache();
var obj1 = new object();
var obj2 = new object();
objectCache.Set(key, obj1);
// Act & assert
Assert.Throws<ArgumentException>(() => objectCache.Set(key, obj2));
}
public IObjectCache FindCache()
{
var items = FindHttpDictionary();
if (!items.Contains(CacheKey))
{
lock (items.SyncRoot)
{
if (!items.Contains(CacheKey))
{
var cache = new ObjectCache();
items.Add(CacheKey, cache);
return cache;
}
}
}
return (ObjectCache)items[CacheKey];
}
public void Should_dispose_IDisposable_instances_when_cleared()
{
// Arrange
var key = Guid.NewGuid();
var disposable = new Mock<IDisposable>();
disposable.Setup(x => x.Dispose());
var objectCache = new ObjectCache();
objectCache.Set(key, disposable.Object);
// Act
objectCache.Clear();
// Assert
Assert.That(objectCache.Count, Is.EqualTo(0));
disposable.Verify(x => x.Dispose(), Times.Exactly(1));
}
public void Should_return_existing_cache_when_session_is_available()
{
// Arrange
var cache = new ObjectCache();
cache.Set(Guid.NewGuid(), new object());
var dictionary = new Dictionary<string, object>();
dictionary.Add(HttpSessionLifecycle.CacheKey, cache);
var lifecycle = new HttpSessionLifecycle();
HttpSessionLifecycle.HasSessionResolver = () => true;
HttpSessionLifecycle.DictionaryResolver = () => dictionary;
// Act
var result = lifecycle.FindCache() as ObjectCache;
// Assert
Assert.That(result, Is.EqualTo(cache));
Assert.That(result.Count, Is.EqualTo(1));
}