@Test
public void testTopItemItem() throws Exception {
List<GenericItemSimilarity.ItemItemSimilarity> sims = Lists.newArrayList();
for (int i = 0; i < 99; i++) {
sims.add(new GenericItemSimilarity.ItemItemSimilarity(i, i + 1, i / 99.0));
}
List<GenericItemSimilarity.ItemItemSimilarity> res =
TopItems.getTopItemItemSimilarities(10, sims.iterator());
int gold = 99;
for (GenericItemSimilarity.ItemItemSimilarity re : res) {
assertEquals(gold--, re.getItemID2()); // the second id should be equal to 99 to start
}
}
