source: profile/src/test/java/geniusweb/profile/utilityspace/LinearAdditiveSerializationTest.java@ 52

package geniusweb.profile.utilityspace;

import static org.junit.Assert.assertEquals;

import java.io.IOException;
import java.math.BigDecimal;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

import org.junit.Before;
import org.junit.Test;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.exc.ValueInstantiationException;

import geniusweb.issuevalue.Bid;
import geniusweb.issuevalue.DiscreteValue;
import geniusweb.issuevalue.DiscreteValueSet;
import geniusweb.issuevalue.Domain;
import geniusweb.issuevalue.NumberValue;
import geniusweb.issuevalue.NumberValueSet;
import geniusweb.issuevalue.Value;
import geniusweb.issuevalue.ValueSet;
import geniusweb.profile.Profile;

public class LinearAdditiveSerializationTest {

        private static final BigDecimal VAL2 = new BigDecimal("0.2");
        private static final BigDecimal VAL3 = new BigDecimal("0.3");
        private static final BigDecimal VAL4 = new BigDecimal("0.4");
        private static final BigDecimal VAL6 = new BigDecimal("0.6");
        private Map<String, ValueSetUtilities> utils = new HashMap<>();
        private Map<String, BigDecimal> weights = new HashMap<>();
        private static final String ISS1 = "issue1";
        private static final String ISS2 = "issue2";
        private DiscreteValue i1v1 = new DiscreteValue("issue1value1");
        private DiscreteValue i1v2 = new DiscreteValue("issue1value2");
        private NumberValue i2v1 = new NumberValue("15");
        private NumberValue i2v2 = new NumberValue("16");
        private Domain domain;

        private Map<DiscreteValue, BigDecimal> value1UtilsMap = new HashMap<>();
        private DiscreteValueSetUtilities value;
        private BigDecimal TWELVE = new BigDecimal("12");
        private BigDecimal EIGHTEEN = new BigDecimal("18");
        private static final ObjectMapper jackson = new ObjectMapper();

        private LinearAdditiveUtilitySpace space;

        private String serialized = "{\"LinearAdditiveUtilitySpace\":{\"domain\":{\"name\":\"test\",\"issuesValues\":{\"issue2\":{\"range\":{\"low\":12,\"high\":18,\"step\":1}},\"issue1\":{\"values\":[\"issue1value1\",\"issue1value2\"]}}},\"name\":\"testprofile\",\"issueUtilities\":{\"issue2\":{\"NumberValueSetUtilities\":{\"lowValue\":12,\"lowUtility\":0.3,\"highValue\":18,\"highUtility\":0.6}},\"issue1\":{\"DiscreteValueSetUtilities\":{\"valueUtilities\":{\"issue1value1\":0.2,\"issue1value2\":0.3}}}},\"issueWeights\":{\"issue2\":0.4,\"issue1\":0.6},\"reservationBid\":{\"issuevalues\":{\"issue2\":15,\"issue1\":\"issue1value2\"}}}}";

        private String jobsjson = "{\"LinearAdditiveUtilitySpace\":{\"issueUtilities\":{"
                        + "\"lease car\":{\"DiscreteValueSetUtilities\":{\"valueUtilities\":{\"no\":0,\"yes\":1}}},"
                        + "\"permanent contract\":{\"DiscreteValueSetUtilities\":{\"valueUtilities\":{\"no\":0,\"yes\":1}}},"
                        + "\"career development opportunities\":{\"DiscreteValueSetUtilities\":{\"valueUtilities\":{\"high\":1,\"low\":0,\"medium\":0.5}}},"
                        + "\"fte\":{\"DiscreteValueSetUtilities\":{\"valueUtilities\":{\"1.0\":0.75,\"0.6\":0.25,\"0.8\":0.5}}},"
                        + "\"salary\":{\"DiscreteValueSetUtilities\":{\"valueUtilities\":{\"4000\":1.0,\"2500\":0.25,\"3500\":0.75,\"2000\":0,\"3000\":0.3}}},"
                        + "\"work from home\":{\"DiscreteValueSetUtilities\":{\"valueUtilities\":{\"1\":0.5,\"2\":0.666666666666,\"0\":0.333333333}}}},"
                        + "\"issueWeights\":{\"lease car\":0.06,\"permanent contract\":0.16,"
                        + "\"career development opportunities\":0.04,\"fte\":0.32,\"salary\":0.24,\"work from home\":0.18},"
                        + "\"domain\":{\"name\":\"jobs\",\"issuesValues\":{\"lease car\":{\"values\":[\"yes\",\"no\"]},\"permanent contract\":{\"values\":[\"yes\",\"no\"]},\"career development opportunities\":{\"values\":[\"low\",\"medium\",\"high\"]},\"fte\":{\"values\":[\"0.6\",\"0.8\",\"1.0\"]},\"salary\":{\"values\":[\"2000\",\"2500\",\"3000\",\"3500\",\"4000\"]},\"work from home\":{\"values\":[\"0\",\"1\",\"2\"]}}},\"name\":\"jobs1\"}}";
        /**
         * this domain has issues3 instead of issue2 in the domain description, but
         * the profile is unchanged. Therefore the domain and profile don't match
         */
        private String serializedWrongIssues = "{\"LinearAdditiveUtilitySpace\":{"
                        + "\"domain\":{\"name\":\"test\","
                        + "\"issuesValues\":{\"issue2\":{\"values\":[\"issue2value1\",\"issue2value2\"]},"
                        + "\"issue3\":{\"values\":[\"issue1value1\",\"issue1value2\"]}}},"
                        + "\"name\":\"testprofile\"," + "\"issueUtilities\":"
                        + "{\"issue2\":{\"NumberValueSetUtilities\":{\"lowValue\":12,\"lowUtility\":0.3,\"highValue\":18,\"highUtility\":0.6}},"
                        + "\"issue1\":{\"DiscreteValueSetUtilities\":{\"valueUtilities\":{\"issue1value1\":0.2,\"issue1value2\":0.3}}}},"
                        + "\"issueWeights\":{\"issue2\":0.4,\"issue1\":0.6},"
                        + "\"reservationBid\":{\"issuevalues\":{\"issue2\":\"issue2value1\",\"issue1\":\"issue1value2\"}}"
                        + "}" + "}";

        @Before
        public void before() {
                value1UtilsMap.put(i1v1, VAL2);
                value1UtilsMap.put(i1v2, VAL3);
                DiscreteValueSetUtilities val1utils = new DiscreteValueSetUtilities(
                                value1UtilsMap);
                NumberValueSetUtilities val2utils = new NumberValueSetUtilities(TWELVE,
                                VAL3, EIGHTEEN, VAL6);

                Map<String, ValueSet> values = new HashMap<>();
                values.put(ISS1, new DiscreteValueSet(Arrays.asList(i1v1, i1v2)));
                values.put(ISS2, new NumberValueSet(TWELVE, EIGHTEEN, BigDecimal.ONE));
                domain = new Domain("test", values);

                utils.put(ISS1, val1utils);
                utils.put(ISS2, val2utils);
                weights.put(ISS1, VAL6);
                weights.put(ISS2, VAL4);

                Map<String, Value> issuevalues = new HashMap<>();
                issuevalues.put(ISS1, i1v2);
                issuevalues.put(ISS2, i2v1);
                Bid reservationBid = new Bid(issuevalues);

                space = new LinearAdditiveUtilitySpace(domain, "testprofile", utils,
                                weights, reservationBid);
        }

        @Test
        public void testSerialize() throws JsonProcessingException {
                String string = jackson.writeValueAsString(space);
                System.out.println(string);
                assertEquals(serialized, string);
        }

        @Test
        public void testDeserialize() throws IOException {
                assertEquals(space, jackson.readValue(serialized, Profile.class));
        }

        @Test(expected = ValueInstantiationException.class)
        public void testDeserializeWrongIssues() throws IOException {
                jackson.readValue(serializedWrongIssues, Profile.class);
        }

        @Test
        public void testDeserializeFromValue() throws IOException {
                assertEquals(space, jackson.readValue(serialized, Profile.class));
        }

        @Test
        public void testDeserializeJobs() throws IOException {
                Profile jobs = jackson.readValue(jobsjson, Profile.class);
        }

}