1 | package geniusweb.voting.votingevaluators;
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2 |
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3 | import static org.junit.Assert.assertEquals;
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4 | import static org.mockito.Mockito.mock;
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5 |
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6 | import java.io.IOException;
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7 | import java.util.Arrays;
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8 | import java.util.Collections;
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9 | import java.util.HashMap;
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10 | import java.util.HashSet;
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11 | import java.util.List;
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12 | import java.util.Map;
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13 |
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14 | import org.junit.Test;
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15 |
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16 | import com.fasterxml.jackson.core.JsonProcessingException;
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17 | import com.fasterxml.jackson.databind.ObjectMapper;
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18 |
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19 | import geniusweb.actions.Action;
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20 | import geniusweb.actions.PartyId;
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21 | import geniusweb.actions.Vote;
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22 | import geniusweb.actions.Votes;
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23 | import geniusweb.inform.Agreements;
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24 | import geniusweb.issuevalue.Bid;
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25 | import geniusweb.voting.CollectedVotes;
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26 | import geniusweb.voting.VotingEvaluator;
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27 | import tudelft.utilities.junit.GeneralTests;
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28 |
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29 | public class LargestAgreementsLoopTest
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30 | extends GeneralTests<LargestAgreementsLoop> {
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31 | private final ObjectMapper jackson = new ObjectMapper();
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32 |
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33 | private final Bid a = mock(Bid.class), b = mock(Bid.class),
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34 | c = mock(Bid.class), d = mock(Bid.class);
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35 |
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36 | private LargestAgreementsLoop lal1 = new LargestAgreementsLoop();
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37 | private LargestAgreementsLoop lal1a = new LargestAgreementsLoop();
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38 | private final PartyId party1 = new PartyId("party1");
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39 | private final PartyId party2 = new PartyId("party2");
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40 | private final PartyId party3 = new PartyId("party3");
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41 | private final PartyId party4 = new PartyId("party4");
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42 | private Votes votes1 = mock(Votes.class);
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43 | private LargestAgreementsLoop lal2 = new LargestAgreementsLoop(
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44 | new CollectedVotes(Collections.singletonMap(party1, votes1),
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45 | Collections.singletonMap(party1, 1)));
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46 |
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47 | private String lalstring = "{\"LargestAgreementsLoop\":{}}";
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48 |
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49 | @Override
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50 | public List<List<LargestAgreementsLoop>> getGeneralTestData() {
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51 | return Arrays.asList(Arrays.asList(lal1, lal1a), Arrays.asList(lal2));
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52 | }
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53 |
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54 | @Override
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55 | public List<String> getGeneralTestStrings() {
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56 | return Arrays.asList("LargestAgreementsLoop", "LargestAgreementsLoop");
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57 | }
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58 |
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59 | @Test
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60 | public void serializeAcceptTest() throws JsonProcessingException {
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61 | // we use lal2 to also check we don't serialize the contents
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62 | System.out.println(jackson.writeValueAsString(lal2));
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63 | assertEquals(lalstring, jackson.writeValueAsString(lal2));
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64 | }
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65 |
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66 | @Test
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67 | public void deserializeAcceptTest() throws IOException {
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68 | VotingEvaluator eval = jackson.readValue(lalstring,
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69 | VotingEvaluator.class);
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70 | // it should deserialize as the empty lal1 because we ignore the fields.
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71 | assertEquals(lal1, eval);
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72 | }
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73 |
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74 | @Test
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75 | public void testCollectVotes() {
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76 | Votes vote1AB = new Votes(party1, new HashSet<>(Arrays
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77 | .asList(new Vote(party1, a, 2, 9), new Vote(party1, b, 2, 9))));
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78 | Votes vote2AB = new Votes(party2, new HashSet<>(Arrays
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79 | .asList(new Vote(party2, a, 2, 9), new Vote(party2, b, 2, 9))));
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80 | Votes vote3C = new Votes(party3,
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81 | Collections.singleton(new Vote(party3, c, 2, 9)));
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82 | Votes vote4AC = new Votes(party4, new HashSet<>(Arrays
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83 | .asList(new Vote(party4, a, 2, 9), new Vote(party4, c, 2, 9))));
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84 | // party 1,2,4 vote for A, party 1,2 vote for B, party 3,4 vote for C.
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85 | // the biggest vote is P,Q,S
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86 | Map<PartyId, Votes> votes = new HashMap<>();
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87 | votes.put(party1, vote1AB);
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88 | votes.put(party2, vote2AB);
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89 | votes.put(party3, vote3C);
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90 | votes.put(party4, vote4AC);
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91 |
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92 | List<List<Action>> actions1 = Arrays
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93 | .asList(Arrays.asList(vote1AB, vote2AB, vote3C, vote4AC));
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94 | Map<PartyId, Integer> power = new HashMap<>();
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95 | power.put(party1, 1);
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96 | power.put(party2, 1);
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97 | power.put(party3, 1);
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98 | power.put(party4, 1);
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99 | Agreements agrees = new LargestAgreementsLoop()
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100 | .create(new CollectedVotes(votes, power)).getAgreements();
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101 | System.out.println(agrees);
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102 |
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103 | // biggest agreement is party 1,2,4 for bid a.
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104 | assertEquals(new HashSet<>(Arrays.asList(party1, party2, party4)),
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105 | agrees.getMap().keySet());
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106 |
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107 | }
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108 |
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109 | }
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