@Test
public void testSet() throws Exception {
ServerRecommender client = getRecommender();
client.setPreference("0", "1");
List<IDValue> recs = client.recommend("0", 1);
assertEquals("50", recs.get(0).getID());
client.setPreference("0", "2", 3.0f);
recs = client.recommend("0", 1);
assertEquals("117", recs.get(0).getID());
client.setPreference("0", "2", -3.0f);
recs = client.recommend("0", 1);
assertEquals("117", recs.get(0).getID());
client.setPreference("0", "1", -1.0f);
// Don't really know/care what will be recommend at this point; the feature vec is nearly 0
assertEquals(1, client.recommend("0", 1).size());
}
@Test
public void testSetRemove() throws Exception {
ServerRecommender client = getRecommender();
client.setPreference("0", "1");
List<IDValue> recs = client.recommend("0", 1);
assertEquals("50", recs.get(0).getID());
client.setPreference("0", "2", 1.0f);
recs = client.recommend("0", 1);
assertEquals("50", recs.get(0).getID());
client.removePreference("0", "2");
recs = client.recommend("0", 1);
assertEquals("50", recs.get(0).getID());
client.removePreference("0", "1");
try {
client.recommend("0", 1);
fail();
} catch (NoSuchUserException nsue) {
// good
}
}