C# (CSharp) NReco.CF.Taste.Impl.Recommender PreferredItemsNeighborhoodCandidateItemsStrategy Beispiele

Beispiel #1

Datei: PreferredItemsNeighborhoodCandidateItemsStrategyTest.cs Projekt: techmobstudios/Certified-Mixtapes-Recommender

        public void testStrategy()
        {
            FastIDSet itemIDsFromUser123 = new FastIDSet();
            itemIDsFromUser123.Add(1L);

            FastIDSet itemIDsFromUser456 = new FastIDSet();
            itemIDsFromUser456.Add(1L);
            itemIDsFromUser456.Add(2L);

            List<IPreference> prefs = new List<IPreference>();
            prefs.Add(new GenericPreference(123L, 1L, 1.0f));
            prefs.Add(new GenericPreference(456L, 1L, 1.0f));
            IPreferenceArray preferencesForItem1 = new GenericItemPreferenceArray(prefs);

            var dataModelMock = new DynamicMock(typeof(IDataModel));
            dataModelMock.ExpectAndReturn("GetPreferencesForItem", preferencesForItem1,  (1L));
            dataModelMock.ExpectAndReturn("GetItemIDsFromUser", itemIDsFromUser123, (123L));
            dataModelMock.ExpectAndReturn("GetItemIDsFromUser", itemIDsFromUser456, (456L));

            IPreferenceArray prefArrayOfUser123 =
            new GenericUserPreferenceArray( new List<IPreference>() {new GenericPreference(123L, 1L, 1.0f)} );

            ICandidateItemsStrategy strategy = new PreferredItemsNeighborhoodCandidateItemsStrategy();

            //EasyMock.replay(dataModel);

            FastIDSet candidateItems = strategy.GetCandidateItems(123L, prefArrayOfUser123, (IDataModel)dataModelMock.MockInstance);
            Assert.AreEqual(1, candidateItems.Count());
            Assert.True(candidateItems.Contains(2L));

            dataModelMock.Verify(); //  EasyMock.verify(dataModel);
        }

Beispiel #2

Datei: PreferredItemsNeighborhoodCandidateItemsStrategyTest.cs Projekt: Sandy4321/recommender-2

        public void testStrategy()
        {
            FastIDSet itemIDsFromUser123 = new FastIDSet();

            itemIDsFromUser123.Add(1L);

            FastIDSet itemIDsFromUser456 = new FastIDSet();

            itemIDsFromUser456.Add(1L);
            itemIDsFromUser456.Add(2L);

            List <IPreference> prefs = new List <IPreference>();

            prefs.Add(new GenericPreference(123L, 1L, 1.0f));
            prefs.Add(new GenericPreference(456L, 1L, 1.0f));
            IPreferenceArray preferencesForItem1 = new GenericItemPreferenceArray(prefs);

            var dataModelMock = new DynamicMock(typeof(IDataModel));

            dataModelMock.ExpectAndReturn("GetPreferencesForItem", preferencesForItem1, (1L));
            dataModelMock.ExpectAndReturn("GetItemIDsFromUser", itemIDsFromUser123, (123L));
            dataModelMock.ExpectAndReturn("GetItemIDsFromUser", itemIDsFromUser456, (456L));

            IPreferenceArray prefArrayOfUser123 =
                new GenericUserPreferenceArray(new List <IPreference>()
            {
                new GenericPreference(123L, 1L, 1.0f)
            });

            ICandidateItemsStrategy strategy = new PreferredItemsNeighborhoodCandidateItemsStrategy();

            //EasyMock.replay(dataModel);

            FastIDSet candidateItems = strategy.GetCandidateItems(123L, prefArrayOfUser123, (IDataModel)dataModelMock.MockInstance);

            Assert.AreEqual(1, candidateItems.Count());
            Assert.True(candidateItems.Contains(2L));

            dataModelMock.Verify(); //  EasyMock.verify(dataModel);
        }