public void testRecommender()
{
IRecommender recommender = buildRecommender();
IList <IRecommendedItem> recommended = recommender.Recommend(1, 1);
Assert.NotNull(recommended);
Assert.AreEqual(1, recommended.Count);
IRecommendedItem firstRecommended = recommended[0];
Assert.AreEqual(2, firstRecommended.GetItemID());
Assert.AreEqual(0.1f, firstRecommended.GetValue(), EPSILON);
recommender.Refresh(null);
Assert.AreEqual(2, firstRecommended.GetItemID());
Assert.AreEqual(0.1f, firstRecommended.GetValue(), EPSILON);
}
