org.drugis.mtc.NetworkBuilderTest.java Source code

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Here is the source code for org.drugis.mtc.NetworkBuilderTest.java

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/*
 * This file is part of the GeMTC software for MTC model generation and
 * analysis. GeMTC is distributed from http://drugis.org/gemtc.
 * Copyright (C) 2009-2012 Gert van Valkenhoef.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.drugis.mtc;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.util.Arrays;
import java.util.HashMap;

import org.apache.commons.collections15.Transformer;
import org.apache.commons.lang.StringUtils;
import org.drugis.mtc.model.Measurement;
import org.drugis.mtc.model.Network;
import org.drugis.mtc.model.NetworkBuilder;
import org.drugis.mtc.model.NoneNetworkBuilder;
import org.drugis.mtc.model.Study;
import org.drugis.mtc.model.Treatment;
import org.junit.Before;
import org.junit.Test;

public class NetworkBuilderTest {

    private static final class EmptyStringTransformer<TreatmentType> implements Transformer<TreatmentType, String> {
        public String transform(TreatmentType input) {
            return "";
        }
    }

    private Study study(String id, Measurement[] m) {
        final Study study = new Study(id);
        study.getMeasurements().addAll(Arrays.asList(m));
        return study;
    }

    private NoneNetworkBuilder<String> d_builder;
    private Treatment d_ta = new Treatment("A");
    private Treatment d_tb = new Treatment("B");
    private Treatment d_tc = new Treatment("C");
    private Study d_s1 = study("1", new Measurement[] { new Measurement(d_ta), new Measurement(d_tb) });
    private Study d_s2 = study("2", new Measurement[] { new Measurement(d_tb), new Measurement(d_tc) });

    @Before
    public void setUp() {
        d_builder = new NoneNetworkBuilder<String>(new NetworkBuilder.ToStringTransformer<String>(),
                new EmptyStringTransformer<String>());
    }

    @Test
    public void testEmptyBuild() {
        Network n = d_builder.buildNetwork();

        assertNotNull(n);
        assertTrue(n.getTreatments().isEmpty());
        assertTrue(n.getStudies().isEmpty());
    }

    @Test
    public void testBuild() {
        d_builder.add("1", "A");
        d_builder.add("1", "B");
        d_builder.add("2", "B");
        d_builder.add("2", "C");
        Network n = d_builder.buildNetwork();

        assertNotNull(n);
        assertEquals(3, n.getTreatments().size());
        assertTrue(n.getTreatments().contains(d_ta));
        assertTrue(n.getTreatments().contains(d_tb));
        assertTrue(n.getTreatments().contains(d_tc));
        assertEquals(2, n.getStudies().size());
        assertTrue(n.getStudies().contains(d_s1));
        assertTrue(n.getStudies().contains(d_s2));

        HashMap<String, Treatment> expected = new HashMap<String, Treatment>();
        expected.put("A", d_ta);
        expected.put("B", d_tb);
        expected.put("C", d_tc);
        assertEquals(expected, d_builder.getTreatmentMap());
    }

    @Test
    public void testIdTransform() {
        NoneNetworkBuilder<Integer> builder = new NoneNetworkBuilder<Integer>(new Transformer<Integer, String>() {
            public String transform(Integer input) {
                return StringUtils.repeat("A", input.intValue());
            }
        }, new EmptyStringTransformer<Integer>());

        builder.add("1", 5);
        HashMap<Integer, Treatment> expected = new HashMap<Integer, Treatment>();
        expected.put(5, new Treatment("AAAAA"));
        assertEquals(expected, builder.getTreatmentMap());
    }

    @Test
    public void testDescriptionTransform() {
        NoneNetworkBuilder<Integer> builder = new NoneNetworkBuilder<Integer>(
                new NetworkBuilder.ToStringTransformer<Integer>(), new Transformer<Integer, String>() {
                    public String transform(Integer input) {
                        return StringUtils.repeat("A", input.intValue());
                    }
                });

        builder.add("1", 5);
        HashMap<Integer, Treatment> expected = new HashMap<Integer, Treatment>();
        expected.put(5, new Treatment("5", "AAAAA"));
        assertEquals(expected, builder.getTreatmentMap());
    }

    @Test(expected = UnsupportedOperationException.class)
    public void testTreatmentMapUnmodifiable() {
        d_builder.getTreatmentMap().put("A", d_ta);
    }

    @Test(expected = IllegalArgumentException.class)
    public void testDuplicateEntry() {
        d_builder.add("1", "A");
        d_builder.add("1", "A");
    }

    @Test(expected = IllegalArgumentException.class)
    public void testIllegalTreatmentId() {
        d_builder.add("1", "-A"); // allowed chars: A-Za-z0-9_
    }
}