Changeset 4 for bidspace/src/test/java


Ignore:
Timestamp:
09/18/19 10:00:22 (5 years ago)
Author:
bart
Message:

Faster example parties

Location:
bidspace/src/test/java/geniusweb/bidspace
Files:
1 added
1 edited

Legend:

Unmodified
Added
Removed
  • bidspace/src/test/java/geniusweb/bidspace/BidsWithUtilityTest.java

    r2 r4  
    11package geniusweb.bidspace;
    22
    3 import static org.junit.Assert.assertEquals;
    4 import static org.mockito.Matchers.any;
    5 import static org.mockito.Mockito.mock;
    6 import static org.mockito.Mockito.when;
     3import static org.junit.Assert.assertTrue;
    74
    85import java.io.IOException;
    96import java.math.BigDecimal;
    107import java.math.BigInteger;
     8import java.math.RoundingMode;
    119import java.nio.file.Files;
    1210import java.nio.file.Paths;
     11import java.util.Arrays;
    1312import java.util.Collection;
    14 import java.util.HashMap;
    15 import java.util.LinkedList;
    16 import java.util.Map;
     13import java.util.Random;
    1714
    18 import org.junit.Before;
    1915import org.junit.Test;
     16import org.junit.runner.RunWith;
     17import org.junit.runners.Parameterized;
     18import org.junit.runners.Parameterized.Parameters;
    2019
    2120import com.fasterxml.jackson.databind.ObjectMapper;
    2221
    2322import geniusweb.issuevalue.Bid;
    24 import geniusweb.issuevalue.DiscreteValue;
    25 import geniusweb.issuevalue.DiscreteValueSet;
    26 import geniusweb.issuevalue.Domain;
    27 import geniusweb.issuevalue.NumberValue;
    28 import geniusweb.issuevalue.NumberValueSet;
    29 import geniusweb.issuevalue.ValueSet;
    3023import geniusweb.profile.Profile;
    3124import geniusweb.profile.utilityspace.LinearAdditiveUtilitySpace;
     25import tudelft.utilities.immutablelist.ImmutableList;
    3226
     27@RunWith(Parameterized.class)
    3328public class BidsWithUtilityTest {
    34         private static final DiscreteValue I1V2 = new DiscreteValue("i1v2");
    35         private static final DiscreteValue I1V1 = new DiscreteValue("i1v1");
    36         private static final NumberValue I2V1 = new NumberValue("2.00");
    37         private static final NumberValue I2V2 = new NumberValue("2.45");
    38         private static final NumberValue I2V3 = new NumberValue("2.90");
    39         private static final String DOMAINNAME = "testdomain";
    40         private static final String ISSUE1 = "issue1";
    41         private static final String ISSUE2 = "issue2";
    42         private static final Map<String, ValueSet> issues = new HashMap<>();
     29        private final static ObjectMapper jackson = new ObjectMapper();
     30        private final Interval utilityGoal = new Interval(new BigDecimal("0.50"),
     31                        new BigDecimal("0.51"));
     32        private LinearAdditiveUtilitySpace profile;
     33        private long expectedSize;
     34        private int accuracy = 5;
    4335
    44         private static ValueSet values1;
    45         private static ValueSet values2;
    46         private static final BigDecimal TWO = new BigDecimal("2");
    47         private static final BigDecimal THREE = new BigDecimal("3");
    48         private final static BigDecimal ZERO_1 = new BigDecimal("0.1"), ZERO_2 = new BigDecimal("0.2"),
    49                         ZERO_3 = new BigDecimal("0.3");
     36        @Parameters
     37        public static Collection<Object[]> data() {
     38                return Arrays.asList(new Object[][] {
     39                                { "src/test/resources/jobs/jobs1.json", 11 },
     40                                { "src/test/resources/7issues/7issues1.json", 260000 },
     41                                { "src/test/resources/9issues/9issues1.json", 25000000 } });
     42        }
    5043
    51         private static Domain domain;
    52         private final static ObjectMapper jackson = new ObjectMapper();
     44        public BidsWithUtilityTest(String filename, long expectedsize)
     45                        throws IOException {
     46                String file = new String(Files.readAllBytes(Paths.get(filename)));
     47                profile = (LinearAdditiveUtilitySpace) jackson.readValue(file,
     48                                Profile.class);
     49                this.expectedSize = expectedsize;
     50        }
    5351
    54         @Before
    55         public void before() {
    56                 Collection<DiscreteValue> discretevalues1 = new LinkedList<>();
    57                 discretevalues1.add(I1V1);
    58                 discretevalues1.add(I1V2);
    59                 values1 = new DiscreteValueSet(discretevalues1);
    60                 issues.put(ISSUE1, values1);
    61 
    62                 values2 = new NumberValueSet(TWO, THREE, new BigDecimal("0.45"));
    63                 issues.put(ISSUE2, values2);
    64 
    65                 domain = new Domain(DOMAINNAME, issues);
     52        /**
     53         * Test if the values are within acceptable range from the goal.
     54         */
     55        @Test
     56        public void test() {
     57                ImmutableList<Bid> list = new BidsWithUtility(profile, accuracy)
     58                                .getBids(utilityGoal);
     59                Random rand = new Random();
     60                // check not all but only 10000 random bids as list may be way too large
     61                // to test them all. Testing 1 billion bids may take 15 minutes or so on
     62                // quad core i7 @2.4GHz.....
     63                // also notice that we may be checking only part of the list if
     64                // the size of the list would become bigger than maxint.
     65                for (int n = 0; n < 10000; n++) {
     66                        Bid bid = list.get(rand.nextInt(list.size().intValue()));
     67                        assertTrue(utilityGoal.contains(profile.getUtility(bid)
     68                                        .setScale(accuracy - 1, RoundingMode.HALF_UP)));
     69                }
     70                assertTrue(
     71                                list.size().compareTo(BigInteger.valueOf(expectedSize)) >= 0);
    6672
    6773        }
    6874
    6975        @Test
    70         public void smokeTest() {
    71                 LinearAdditiveUtilitySpace space = mock(LinearAdditiveUtilitySpace.class);
    72                 when(space.getDomain()).thenReturn(domain);
    73                 when(space.getUtility(any(Bid.class))).thenReturn(ZERO_2);
    74                 new BidsWithUtility(space, new BigDecimal("0.1"), new BigDecimal("0.3"));
     76        public void testMaxUtil() {
     77                BidsWithUtility bidswithutil = new BidsWithUtility(profile);
     78                // notice, this is the *rounded* max util
     79                BigDecimal maxutil = bidswithutil.getRange().getMax();
     80                Interval goal = new Interval(
     81                                maxutil.subtract(new BigDecimal("0.00001")), maxutil);
     82
     83                ImmutableList<Bid> bidsnearmax = bidswithutil.getBids(goal);
     84                assertTrue(bidsnearmax.size() != BigInteger.ZERO);
     85
     86                BigDecimal foundmax = BigDecimal.ZERO;
     87                for (Bid bid : bidsnearmax) {
     88                        BigDecimal util = profile.getUtility(bid);
     89                        if (util.compareTo(foundmax) > 0) {
     90                                foundmax = util;
     91                        }
     92                }
     93                // found maximum may be slightly lower or higher because we rounded
     94                // all weighted utilities.
     95                assertTrue(Math
     96                                .abs(foundmax.doubleValue() - maxutil.doubleValue()) < 0.0001);
    7597        }
    7698
    7799        @Test
    78         public void testSelection() {
    79                 LinearAdditiveUtilitySpace space = mock(LinearAdditiveUtilitySpace.class);
     100        public void benchmark() {
     101                System.out.println("\nBenchmarking " + profile.getName());
     102                BigInteger domainsize = new AllBidsList(profile.getDomain()).size();
    80103
    81                 when(space.getDomain()).thenReturn(domain);
    82                 when(space.getUtility(any(Bid.class))).thenReturn(ZERO_2);
    83                 BidsWithUtility selected = new BidsWithUtility(space, new BigDecimal("0.1"), new BigDecimal("0.3"));
    84                 assertEquals(new BigInteger("6"), selected.size());
    85         }
    86 
    87         @Test
    88         public void testRealSpace() throws IOException {
    89                 String file1 = new String(Files.readAllBytes(Paths.get("src/test/resources/jobs/jobs1.json")));
    90                 LinearAdditiveUtilitySpace profile = (LinearAdditiveUtilitySpace) jackson.readValue(file1, Profile.class);
    91                 BidsWithUtility selected = new BidsWithUtility(profile, ZERO_1, ZERO_3);
    92 
    93                 assertEquals(new BigInteger("56"), selected.size());
    94                 for (Bid bid : selected) {
    95                         assertEquals(1, profile.getUtility(bid).compareTo(ZERO_1));
    96                         assertEquals(-1, profile.getUtility(bid).compareTo(ZERO_3));
    97                 }
     104                long start = System.currentTimeMillis();
     105                BidsWithUtility body = new BidsWithUtility(profile, accuracy);
     106                ImmutableList<Bid> list = body.getBids(utilityGoal);
     107                long end = System.currentTimeMillis();
     108                System.out.println("run time: " + (end - start) / 1000. + "s");
     109                System.out.println("Total size of bidspace:" + domainsize);
     110                System.out.println("Result size: " + list.size());
    98111        }
    99112
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