[1603] | 1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany
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| 2 | //
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| 3 | // Licensed under the Apache License, Version 2.0 (the "License");
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| 4 | // you may not use this file except in compliance with the License.
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| 5 | // You may obtain a copy of the License at
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| 6 | //
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| 7 | // http://www.apache.org/licenses/LICENSE-2.0
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| 8 | //
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| 9 | // Unless required by applicable law or agreed to in writing, software
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| 10 | // distributed under the License is distributed on an "AS IS" BASIS,
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| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 12 | // See the License for the specific language governing permissions and
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| 13 | // limitations under the License.
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| 14 |
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| 15 | package de.ugoe.cs.autoquest.plugin.uml;
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| 16 |
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| 17 | import java.io.File;
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[1927] | 18 | import java.io.FileInputStream;
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[1929] | 19 | import java.io.FileOutputStream;
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[1603] | 20 | import java.util.Collection;
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[1927] | 21 | import java.util.HashSet;
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[1603] | 22 | import java.util.Iterator;
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| 23 | import java.util.LinkedList;
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| 24 | import java.util.List;
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[1927] | 25 | import java.util.Properties;
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[1643] | 26 | import java.util.Random;
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[1927] | 27 | import java.util.Set;
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[1898] | 28 | import java.util.logging.Level;
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[1603] | 29 |
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[1927] | 30 | //import static org.junit.Assert.*;
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[1926] | 31 |
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[1929] | 32 |
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| 33 |
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| 34 |
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[1643] | 35 | import org.eclipse.uml2.uml.Interaction;
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[1603] | 36 | import org.eclipse.uml2.uml.Model;
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| 37 | import org.eclipse.uml2.uml.StateMachine;
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| 38 | import org.eclipse.uml2.uml.UMLPackage;
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| 39 | import org.junit.After;
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[1898] | 40 | import org.junit.BeforeClass;
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[1603] | 41 | import org.junit.Test;
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| 42 |
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[1759] | 43 | import de.fraunhofer.fokus.testing.ModelUtils;
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[1603] | 44 | import de.ugoe.cs.autoquest.eventcore.Event;
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| 45 | import de.ugoe.cs.autoquest.plugin.http.HTTPLogParser;
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[1926] | 46 | import de.ugoe.cs.autoquest.plugin.http.SOAPUtils;
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[1603] | 47 | import de.ugoe.cs.autoquest.plugin.http.eventcore.SOAPEventType;
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[1929] | 48 | import de.ugoe.cs.autoquest.plugin.http.eventcore.SimpleSOAPEventType;
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[1643] | 49 | import de.ugoe.cs.autoquest.testgeneration.RandomWalkGenerator;
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| 50 | import de.ugoe.cs.autoquest.usageprofiles.FirstOrderMarkovModel;
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[1763] | 51 | import de.ugoe.cs.autoquest.usageprofiles.IStochasticProcess;
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[1929] | 52 | import de.ugoe.cs.util.SerializationUtils;
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[1898] | 53 | import de.ugoe.cs.util.console.TextConsole;
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[1603] | 54 |
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| 55 | /**
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| 56 | * <p>
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| 57 | * Tests for AutoQUESTs UMLUtils
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| 58 | * </p>
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| 59 | *
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| 60 | * @author Steffen Herbold
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| 61 | */
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| 62 | public class UMLUtilsTest {
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[1625] | 63 |
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[1606] | 64 | private final static String OUTPUT_DIR = "target/tmp/test-outputs/";
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[1929] | 65 |
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| 66 | private final static boolean DELETE_OUTPUTS = false;
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| 67 |
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[1927] | 68 | // for RLUS
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| 69 | private final static TestData deda_1 = new TestData("deda_rlus_properties.prop",
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[1929] | 70 | "deda_usagejournal.log",
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| 71 | "deda_rlus_usageprofile.dat",
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| 72 | "deda_model.uml",
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| 73 | "deda_rlus_model_testsuite.uml",
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| 74 | "deda_rlus_model_scheduling.uml");
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[1625] | 75 |
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[1927] | 76 | // for IXS
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| 77 | private final static TestData deda_2 = new TestData("deda_ixs_properties.prop",
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[1929] | 78 | "deda_usagejournal.log",
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| 79 | "deda_ixs_usageprofile.dat",
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| 80 | "deda_model.uml",
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| 81 | "deda_ixs_model_testsuite.uml",
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| 82 | "deda_ixs_model_scheduling.uml");
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[1927] | 83 |
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[1929] | 84 | private final static TestData ita_1 = new TestData("ita_properties.prop",
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| 85 | "ita_usagejournal.log",
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| 86 | "ita_usageprofile.dat", "ita_model.uml",
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| 87 | "ita_model_testsuite.uml",
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| 88 | "ita_model_scheduling.uml");
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| 89 |
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[1927] | 90 | private static class TestData {
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| 91 | public final String propertiesFile;
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| 92 | public final String usageJournalFile;
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| 93 | public final String usageProfileFile;
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| 94 | public final String dslModelFile;
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| 95 | public final String testSuiteFile;
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| 96 | public final String schedulingFile;
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| 97 |
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| 98 | public TestData(String propertiesFile,
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[1929] | 99 | String usageJournalFile,
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| 100 | String usageProfileFile,
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| 101 | String dslModelFile,
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| 102 | String testSuiteFile,
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| 103 | String schedulingFile)
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[1927] | 104 | {
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| 105 | this.propertiesFile = propertiesFile;
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| 106 | this.usageJournalFile = usageJournalFile;
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| 107 | this.usageProfileFile = usageProfileFile;
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| 108 | this.dslModelFile = dslModelFile;
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| 109 | this.testSuiteFile = testSuiteFile;
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| 110 | this.schedulingFile = schedulingFile;
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[1929] | 111 |
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[1927] | 112 | }
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| 113 |
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| 114 | @Override
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| 115 | public String toString() {
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| 116 | StringBuilder strBld = new StringBuilder();
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| 117 | strBld.append("Properties " + propertiesFile + "\n");
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| 118 | strBld.append("Usage Journal " + usageJournalFile + "\n");
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| 119 | strBld.append("Usage Profile " + usageProfileFile + "\n");
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| 120 | strBld.append("DSL Model " + dslModelFile + "\n");
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| 121 | strBld.append("Test Suite " + testSuiteFile + "\n");
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| 122 | strBld.append("Scheduling " + schedulingFile + "\n");
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| 123 | return strBld.toString();
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| 124 | }
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| 125 | }
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| 126 |
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[1898] | 127 | @BeforeClass
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| 128 | public static void setUpBeforeClass() throws Exception {
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[1929] | 129 | new TextConsole(Level.SEVERE);
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[1898] | 130 | }
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[1926] | 131 |
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[1625] | 132 | @After
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| 133 | public void tearDown() throws Exception {
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[1929] | 134 | if (DELETE_OUTPUTS) {
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| 135 | deleteFiles(new File(OUTPUT_DIR));
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| 136 | }
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[1625] | 137 | }
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[1603] | 138 |
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[1625] | 139 | @Test(expected = java.lang.RuntimeException.class)
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[1927] | 140 | public void testCreateUMLTransitionSequence_ITA_1() throws Exception {
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| 141 | TestData testdata = ita_1;
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[1929] | 142 |
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[1927] | 143 | Properties properties = loadProperties(testdata);
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| 144 | Collection<List<Event>> sequences = loadAndPreprocessUsageJournal(testdata, properties);
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[1603] | 145 | Model model =
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[1927] | 146 | ModelUtils.loadModel(ClassLoader.getSystemResourceAsStream(testdata.dslModelFile));
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[1603] | 147 |
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| 148 | StateMachine stateMachine =
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[1929] | 149 | (StateMachine) model.getPackagedElement("StateMachineTransportService", true,
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| 150 | UMLPackage.Literals.STATE_MACHINE, true);
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[1603] | 151 |
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| 152 | Collection<List<Event>> umlSequences = new LinkedList<>();
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[1929] | 153 |
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[1926] | 154 | // remove everything but transport from sequences
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[1927] | 155 | for (List<Event> sequence : sequences) {
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| 156 | for (Iterator<Event> eventIter = sequence.iterator(); eventIter.hasNext();) {
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[1603] | 157 | Event event = eventIter.next();
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[1927] | 158 | SOAPEventType eventType = (SOAPEventType) event.getType();
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| 159 | if (!"TransportService".equals(eventType.getServiceName())) {
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[1603] | 160 | eventIter.remove();
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| 161 | }
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| 162 | }
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[1927] | 163 | umlSequences.add(UMLUtils.createUMLTransitionSequence(sequence, stateMachine));
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[1603] | 164 | }
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| 165 | }
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[1625] | 166 |
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[1603] | 167 | @Test
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[1927] | 168 | public void testConvertStateMachineToUsageProfile__ITA_1() throws Exception {
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| 169 | TestData testdata = ita_1;
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[1929] | 170 |
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[1927] | 171 | Properties properties = loadProperties(testdata);
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| 172 | Collection<List<Event>> sequences = loadAndPreprocessUsageJournal(testdata, properties);
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[1926] | 173 |
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[1603] | 174 | Model model =
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[1927] | 175 | ModelUtils.loadModel(ClassLoader.getSystemResourceAsStream(testdata.dslModelFile));
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[1603] | 176 |
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[1926] | 177 | // remove everything but transport from sequences
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[1927] | 178 | for (List<Event> sequence : sequences) {
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| 179 | for (Iterator<Event> eventIter = sequence.iterator(); eventIter.hasNext();) {
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[1603] | 180 | Event event = eventIter.next();
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[1927] | 181 | SOAPEventType eventType = (SOAPEventType) event.getType();
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| 182 | if (!"TransportService".equals(eventType.getServiceName())) {
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[1603] | 183 | eventIter.remove();
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| 184 | }
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| 185 | }
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| 186 | }
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[1625] | 187 |
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[1926] | 188 | StateMachine stateMachine =
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| 189 | (StateMachine) model.getPackagedElement("StateMachineTransportService", true,
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| 190 | UMLPackage.Literals.STATE_MACHINE, true);
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| 191 |
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[1927] | 192 | UMLUtils.convertStateMachineToUsageProfile(sequences, stateMachine);
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[1926] | 193 |
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| 194 | ModelUtils.writeModelToFile(model, OUTPUT_DIR + "ita_v2_result.uml");
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[1603] | 195 | }
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[1625] | 196 |
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| 197 | @Test
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[1927] | 198 | public void testCreateInteractionFromEventSequence_DEDA_1() throws Exception {
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| 199 | createInteractionFromEventSequenceWorkflow(deda_1);
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| 200 | }
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[1929] | 201 |
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[1927] | 202 | @Test
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| 203 | public void testCreateInteractionFromEventSequence_DEDA_2() throws Exception {
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| 204 | createInteractionFromEventSequenceWorkflow(deda_2);
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| 205 | }
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[1929] | 206 |
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[1927] | 207 | @Test
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| 208 | public void testCreateInteractionFromEventSequence_ITA_1() throws Exception {
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| 209 | createInteractionFromEventSequenceWorkflow(ita_1);
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| 210 | }
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[1759] | 211 |
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[1927] | 212 | @Test
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| 213 | public void testCalculateUsageScore_DEDA_1() throws Exception {
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| 214 | calculateUsageScoreWorkflow(deda_1);
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| 215 | }
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[1929] | 216 |
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[1927] | 217 | @Test
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| 218 | public void testCalculateUsageScore_DEDA_2() throws Exception {
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| 219 | calculateUsageScoreWorkflow(deda_2);
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| 220 | }
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[1625] | 221 |
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[1927] | 222 | @Test
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| 223 | public void testCalculateUsageScore_ITA_1() throws Exception {
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| 224 | calculateUsageScoreWorkflow(ita_1);
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[1625] | 225 | }
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[1926] | 226 |
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[1835] | 227 | @Test
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[1927] | 228 | public void testCreateScheduling_DEDA_1() throws Exception {
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| 229 | createSchedulingWorkflow(deda_1);
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[1835] | 230 | }
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[1929] | 231 |
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[1927] | 232 | @Test
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| 233 | public void testCreateScheduling_DEDA_2() throws Exception {
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| 234 | createSchedulingWorkflow(deda_2);
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| 235 | }
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[1929] | 236 |
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[1927] | 237 | @Test
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| 238 | public void testCreateScheduling_ITA() throws Exception {
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| 239 | createSchedulingWorkflow(ita_1);
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| 240 | }
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[1926] | 241 |
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[1896] | 242 | @Test
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[1927] | 243 | public void testValidateModelWithLog_DEDA_1() throws Exception {
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| 244 | validateModelWithLogWorkflow(deda_1);
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[1643] | 245 | }
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[1926] | 246 |
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[1763] | 247 | @Test
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[1927] | 248 | public void testValidateModelWithLog_DEDA_2() throws Exception {
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| 249 | validateModelWithLogWorkflow(deda_2);
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[1763] | 250 | }
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[1926] | 251 |
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[1898] | 252 | @Test
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[1927] | 253 | public void testValidateModelWithLog_ITA_1() throws Exception {
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| 254 | validateModelWithLogWorkflow(ita_1);
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| 255 | }
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[1929] | 256 |
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[1927] | 257 | private void validateModelWithLogWorkflow(TestData testdata) throws Exception {
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| 258 | Properties properties = loadProperties(testdata);
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| 259 | Collection<List<Event>> sequences = loadAndPreprocessUsageJournal(testdata, properties);
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[1929] | 260 | Model model =
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| 261 | ModelUtils.loadModel(ClassLoader.getSystemResourceAsStream(testdata.dslModelFile));
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| 262 |
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[1927] | 263 | // run validation
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[1929] | 264 | int violations =
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| 265 | UMLUtils.validateModelWithLog(sequences, model, properties.getProperty("test.context"));
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[1926] | 266 | if (violations == 0) {
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[1900] | 267 | System.out.println("No problems found.");
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| 268 | }
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[1926] | 269 | else {
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| 270 | System.out.println(violations + " violations found.");
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| 271 | }
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[1898] | 272 | }
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[1929] | 273 |
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[1927] | 274 | private void createInteractionFromEventSequenceWorkflow(TestData testdata) throws Exception {
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| 275 | Properties properties = loadProperties(testdata);
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| 276 | Collection<List<Event>> sequences = loadAndPreprocessUsageJournal(testdata, properties);
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[1929] | 277 | Model model =
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| 278 | ModelUtils.loadModel(ClassLoader.getSystemResourceAsStream(testdata.dslModelFile));
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| 279 |
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[1927] | 280 | // create a test case for each observed sequence
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[1929] | 281 | int i = 0;
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| 282 | for (List<Event> sequence : sequences) {
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| 283 | UMLUtils.createInteractionFromEventSequence(sequence, model,
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| 284 | properties.getProperty("testcases.prefix") +
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| 285 | "_" + i,
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| 286 | properties.getProperty("test.context"));
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[1927] | 287 | i++;
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[1926] | 288 | }
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[1929] | 289 |
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| 290 | ModelUtils.writeModelToFile(model, OUTPUT_DIR + testdata.testSuiteFile);
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[1927] | 291 | }
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[1929] | 292 |
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[1927] | 293 | private void calculateUsageScoreWorkflow(TestData testdata) throws Exception {
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| 294 | Properties properties = loadProperties(testdata);
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| 295 | Collection<List<Event>> sequences = loadAndPreprocessUsageJournal(testdata, properties);
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[1898] | 296 | Model model =
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[1929] | 297 | ModelUtils.loadModel(ClassLoader.getSystemResourceAsStream(testdata.dslModelFile));
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| 298 | IStochasticProcess usageProfile = createUsageProfile(testdata, sequences);
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| 299 | Collection<List<Event>> generatedSequences =
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| 300 | createRandomSequences(usageProfile, properties);
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| 301 |
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[1927] | 302 | int i = 1;
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[1929] | 303 | List<Interaction> interactions = new LinkedList<>();
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[1927] | 304 | int[] lengths = new int[generatedSequences.size()];
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| 305 | for (List<Event> sequence : generatedSequences) {
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[1929] | 306 | interactions.add(UMLUtils.createInteractionFromEventSequence(sequence, model,
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| 307 | properties.getProperty("testcases.prefix") +
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| 308 | "_" + i,
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| 309 | properties.getProperty("test.context")));
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[1927] | 310 | lengths[i - 1] = sequence.size();
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| 311 | i++;
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[1926] | 312 | }
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[1929] | 313 | for (int j = 0; j < interactions.size(); j++) {
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| 314 | double usageScore = UMLUtils.calculateUsageScore(interactions.get(j), usageProfile);
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[1927] | 315 | System.out.format("usage score %02d: %.2f \t %d\n", j + 1, usageScore, lengths[j]);
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[1900] | 316 | }
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[1898] | 317 | }
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[1929] | 318 |
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[1927] | 319 | private void createSchedulingWorkflow(TestData testdata) throws Exception {
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| 320 | Properties properties = loadProperties(testdata);
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| 321 | Collection<List<Event>> sequences = loadAndPreprocessUsageJournal(testdata, properties);
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[1929] | 322 | Model model =
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| 323 | ModelUtils.loadModel(ClassLoader.getSystemResourceAsStream(testdata.dslModelFile));
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| 324 | IStochasticProcess usageProfile = createUsageProfile(testdata, sequences);
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| 325 | Collection<List<Event>> generatedSequences =
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| 326 | createRandomSequences(usageProfile, properties);
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[1927] | 327 | int i = 1;
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| 328 | for (List<Event> sequence : generatedSequences) {
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[1929] | 329 | UMLUtils.createInteractionFromEventSequence(sequence, model,
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| 330 | properties.getProperty("testcases.prefix") +
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| 331 | "_" + i,
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[1927] | 332 | properties.getProperty("test.context"));
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| 333 | i++;
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[1926] | 334 | }
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| 335 |
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[1929] | 336 | UMLUtils.createScheduling(model, usageProfile, properties.getProperty("test.context"));
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| 337 |
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| 338 | ModelUtils.writeModelToFile(model, OUTPUT_DIR + testdata.schedulingFile);
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[1914] | 339 | }
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[1929] | 340 |
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[1927] | 341 | private Properties loadProperties(TestData testdata) throws Exception {
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| 342 | Properties properties = new Properties();
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[1929] | 343 | properties.load(new FileInputStream(ClassLoader.getSystemResource(testdata.propertiesFile)
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| 344 | .getFile()));
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[1927] | 345 | return properties;
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| 346 | }
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[1929] | 347 |
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| 348 | private Collection<List<Event>> loadAndPreprocessUsageJournal(TestData testdata,
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| 349 | Properties properties)
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| 350 | throws Exception
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| 351 | {
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[1927] | 352 | // load usage journal
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[1914] | 353 | HTTPLogParser parser =
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[1927] | 354 | new HTTPLogParser(new File(ClassLoader.getSystemResource(testdata.propertiesFile)
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[1926] | 355 | .getFile()));
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[1929] | 356 | parser.parseFile(new File(ClassLoader.getSystemResource(testdata.usageJournalFile)
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| 357 | .getFile()));
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[1927] | 358 | Collection<List<Event>> sequences = parser.getSequences();
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[1914] | 359 |
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[1929] | 360 | // remove non SOAP events and convert to SimpleSOAPEventType
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| 361 | Collection<List<Event>> simpleSOAPSequences = new LinkedList<>();
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[1927] | 362 | for (List<Event> sequence : sequences) {
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[1929] | 363 | simpleSOAPSequences.add(SOAPUtils.convertToSimpleSOAPEvent(sequence, true));
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[1926] | 364 | }
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[1929] | 365 |
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[1927] | 366 | // remove calls to ingored services
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| 367 | Set<String> ignoredServices = new HashSet<>();
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| 368 | String ignoredServicesString = properties.getProperty("test.ignored.services");
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[1929] | 369 | if (ignoredServicesString != null) {
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| 370 | for (String service : ignoredServicesString.split(",")) {
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[1927] | 371 | ignoredServices.add(service.trim());
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| 372 | }
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[1926] | 373 | }
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[1929] | 374 |
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| 375 | for (List<Event> sequence : simpleSOAPSequences) {
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[1927] | 376 | for (Iterator<Event> eventIter = sequence.iterator(); eventIter.hasNext();) {
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[1914] | 377 | Event event = eventIter.next();
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[1929] | 378 | SimpleSOAPEventType eventType = (SimpleSOAPEventType) event.getType();
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[1927] | 379 | if (ignoredServices.contains(eventType.getServiceName())) {
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[1914] | 380 | eventIter.remove();
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| 381 | }
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| 382 | }
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| 383 | }
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[1929] | 384 | return simpleSOAPSequences;
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[1898] | 385 | }
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| 386 |
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[1929] | 387 | private IStochasticProcess createUsageProfile(TestData testdata, Collection<List<Event>> sequences)
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| 388 | throws Exception
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| 389 | {
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[1927] | 390 | FirstOrderMarkovModel usageProfile = new FirstOrderMarkovModel(new Random(1));
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[1929] | 391 | usageProfile.train(sequences);
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| 392 | FileOutputStream fos = new FileOutputStream(OUTPUT_DIR + testdata.usageProfileFile);
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| 393 | SerializationUtils.serialize(usageProfile, fos);
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| 394 | fos.close();
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[1927] | 395 | return usageProfile;
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[1908] | 396 | }
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[1929] | 397 |
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| 398 | private Collection<List<Event>> createRandomSequences(IStochasticProcess usageProfile,
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| 399 | Properties properties) throws Exception
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| 400 | {
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[1927] | 401 | int numberOfTestCases = Integer.parseInt(properties.getProperty("testcases.number"));
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| 402 | int testCaseMinLength = Integer.parseInt(properties.getProperty("testcases.minlenth", "1"));
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[1929] | 403 | int testCaseMaxLength =
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| 404 | Integer.parseInt(properties.getProperty("testcases.maxlenth", "100"));
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[1927] | 405 | int maxIter = numberOfTestCases * 100;
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[1929] | 406 | RandomWalkGenerator testGenerator =
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| 407 | new RandomWalkGenerator(numberOfTestCases, testCaseMinLength, testCaseMaxLength, true,
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| 408 | maxIter);
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[1927] | 409 | return testGenerator.generateTestSuite(usageProfile);
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| 410 | }
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[1929] | 411 |
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[1625] | 412 | private void deleteFiles(File file) {
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| 413 | if (file.exists()) {
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| 414 | if (file.isDirectory()) {
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| 415 | for (File child : file.listFiles()) {
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| 416 | deleteFiles(child);
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| 417 | }
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| 418 | }
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[1603] | 419 |
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[1625] | 420 | try {
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| 421 | file.delete();
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| 422 | }
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| 423 | catch (Exception e) {
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| 424 | // ignore and delete as much as possible
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| 425 | }
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| 426 | }
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| 427 | }
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| 428 |
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[1603] | 429 | }
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