1 /*
2 * Copyright (c) 2002-2018, Mairie de Paris
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice
10 * and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice
13 * and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 * License 1.0
33 */
34 package fr.paris.lutece.plugins.stock.modules.recommendation.service;
35
36 import fr.paris.lutece.plugins.stock.modules.recommendation.service.StockRecommendationService;
37 import fr.paris.lutece.test.LuteceTestCase;
38 import java.util.List;
39 import org.apache.mahout.cf.taste.common.NoSuchUserException;
40 import org.apache.mahout.cf.taste.common.TasteException;
41 import org.apache.mahout.cf.taste.recommender.RecommendedItem;
42 import org.junit.Test;
43
44 /**
45 * RecommendationServiceTest
46 */
47 public class RecommendationServiceTest extends LuteceTestCase
48 {
49 private static final String USER1 = "BB46625ACAFA4E8E8DB4462C521B715800000000";
50 private static final String USER2 = "BB46625ACAFA4E8E8DB4462C521B715800000000";
51
52 /**
53 * Test of extractPurchases method, of class StockRecommendationService.
54 */
55 @Test
56 public void testExtractPurchases( )
57 {
58 System.out.println( "extractPurchases" );
59 StockRecommendationService instance = StockRecommendationService.instance( );
60 instance.extractPurchases( );
61 }
62
63 @Test
64 public void testGetRecommendedItems( ) throws NoSuchUserException, TasteException
65 {
66 System.out.println( "getRecommendedItems" );
67 StockRecommendationService instance = StockRecommendationService.instance( );
68 getRecommendation( instance, USER1 );
69 getRecommendation( instance, USER2 );
70
71 }
72
73 private void getRecommendation( StockRecommendationService instance, String strUsername ) throws NoSuchUserException, TasteException
74 {
75 List<RecommendedItem> list = instance.getRecommendedItems( strUsername );
76 System.out.println( "Recommendations for user " + strUsername );
77 for ( RecommendedItem item : list )
78 {
79 System.out.println( "Recommended item " + item.getItemID( ) + " score : " + item.getValue( ) );
80 }
81 }
82 }