@Test
public void testNewUserInData() throws TasteException {
int howMany = 4;
List<RecommendedItem> recommendation =
Reco._internalRecommend(howMany, new User(10l), usersData());
assertTrue(recommendation.size() == howMany);
}
@Test
public void testUserWithOnlyOneUniquePref() throws TasteException {
int howMany = 4;
List<RecommendedItem> recommendation =
Reco._internalRecommend(howMany, new User(12l), usersData());
assertTrue(recommendation.size() == howMany);
}
@Test
public void testRecommendation() throws TasteException {
int howMany = 4;
List<RecommendedItem> recommendation =
Reco._internalRecommend(howMany, new User(0l), usersData());
assertTrue(recommendation.size() <= howMany);
assertEquals(ITEM_9, (Long) recommendation.get(0).getItemID());
assertEquals(ITEM_7, (Long) recommendation.get(1).getItemID());
assertEquals(ITEM_6, (Long) recommendation.get(2).getItemID());
assertEquals(ITEM_11, (Long) recommendation.get(3).getItemID());
}