public void ClearCacheRemovesCacheItem()
{
var cache = new FileStorageDataService();
cache.Initialize(Path.GetFullPath(_cacheDirectory));
var feed = new NewsFeed();
feed.cacheurl = "172.0.0.1.8081.1214057202.df05c3d0bd8748e68f121451084e3e62.xml";
Assert.IsTrue(cache.FeedExists(feed), "The feed's there, look harder.");
cache.RemoveAllNewsItems();
string[] files = Directory.GetFiles(_cacheDirectory);
Assert.AreEqual(files.Length, 0, "There should be no files in the cache.");
}
