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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18 | import java.io.FileInputStream;
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19 | import java.util.Collection;
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20 | import java.util.HashSet;
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21 | import java.util.Iterator;
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22 | import java.util.LinkedList;
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23 | import java.util.List;
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24 | import java.util.Properties;
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25 | import java.util.Random;
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26 | import java.util.Set;
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27 | import java.util.logging.Level;
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28 |
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29 | //import static org.junit.Assert.*;
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30 |
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31 | import org.apache.commons.lang.SerializationUtils;
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32 | import org.eclipse.uml2.uml.Interaction;
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33 | import org.eclipse.uml2.uml.Model;
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34 | import org.eclipse.uml2.uml.StateMachine;
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35 | import org.eclipse.uml2.uml.UMLPackage;
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36 | import org.junit.After;
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37 | import org.junit.BeforeClass;
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38 | import org.junit.Test;
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39 |
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40 | import de.fraunhofer.fokus.testing.ModelUtils;
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41 | import de.ugoe.cs.autoquest.eventcore.Event;
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42 | import de.ugoe.cs.autoquest.plugin.http.HTTPLogParser;
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43 | import de.ugoe.cs.autoquest.plugin.http.SOAPUtils;
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44 | import de.ugoe.cs.autoquest.plugin.http.eventcore.SOAPEventType;
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45 | import de.ugoe.cs.autoquest.testgeneration.RandomWalkGenerator;
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46 | import de.ugoe.cs.autoquest.usageprofiles.FirstOrderMarkovModel;
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47 | import de.ugoe.cs.autoquest.usageprofiles.IStochasticProcess;
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48 | import de.ugoe.cs.util.console.TextConsole;
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49 |
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50 | /**
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51 | * <p>
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52 | * Tests for AutoQUESTs UMLUtils
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53 | * </p>
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54 | *
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55 | * @author Steffen Herbold
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56 | */
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57 | public class UMLUtilsTest {
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58 |
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59 | private final static String OUTPUT_DIR = "target/tmp/test-outputs/";
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60 |
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61 | // for RLUS
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62 | private final static TestData deda_1 = new TestData("deda_rlus_properties.prop",
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63 | "deda_usagejournal.log",
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64 | "deda_rlus_usageprofile.dat",
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65 | "deda_model.uml",
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66 | "deda_rlus_model_testsuite.uml",
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67 | "deda_rlus_model_scheduling.uml");
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68 |
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69 | // for IXS
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70 | private final static TestData deda_2 = new TestData("deda_ixs_properties.prop",
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71 | "deda_usagejournal.log",
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72 | "deda_ixs_usageprofile.dat",
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73 | "deda_model.uml",
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74 | "deda_ixs_model_testsuite.uml",
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75 | "deda_ixs_model_scheduling.uml");
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76 |
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77 | private final static TestData ita_1 = new TestData("ita_properties.prop", "ita_usagejournal.log",
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78 | "ita_usageprofile.dat", "ita_model.uml",
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79 | "ita_model_testsuite.uml",
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80 | "ita_model_scheduling.uml");
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81 |
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82 | private static class TestData {
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83 | public final String propertiesFile;
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84 | public final String usageJournalFile;
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85 | public final String usageProfileFile;
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86 | public final String dslModelFile;
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87 | public final String testSuiteFile;
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88 | public final String schedulingFile;
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89 |
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90 | public TestData(String propertiesFile,
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91 | String usageJournalFile,
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92 | String usageProfileFile,
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93 | String dslModelFile,
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94 | String testSuiteFile,
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95 | String schedulingFile)
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96 | {
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97 | this.propertiesFile = propertiesFile;
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98 | this.usageJournalFile = usageJournalFile;
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99 | this.usageProfileFile = usageProfileFile;
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100 | this.dslModelFile = dslModelFile;
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101 | this.testSuiteFile = testSuiteFile;
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102 | this.schedulingFile = schedulingFile;
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103 |
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104 | }
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105 |
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106 | @Override
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107 | public String toString() {
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108 | StringBuilder strBld = new StringBuilder();
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109 | strBld.append("Properties " + propertiesFile + "\n");
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110 | strBld.append("Usage Journal " + usageJournalFile + "\n");
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111 | strBld.append("Usage Profile " + usageProfileFile + "\n");
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112 | strBld.append("DSL Model " + dslModelFile + "\n");
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113 | strBld.append("Test Suite " + testSuiteFile + "\n");
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114 | strBld.append("Scheduling " + schedulingFile + "\n");
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115 | return strBld.toString();
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116 | }
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117 | }
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118 |
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119 | @BeforeClass
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120 | public static void setUpBeforeClass() throws Exception {
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121 | new TextConsole(Level.FINE);
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122 | }
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123 |
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124 | @After
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125 | public void tearDown() throws Exception {
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126 | deleteFiles(new File(OUTPUT_DIR));
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127 | }
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128 |
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129 | @Test(expected = java.lang.RuntimeException.class)
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130 | public void testCreateUMLTransitionSequence_ITA_1() throws Exception {
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131 | TestData testdata = ita_1;
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132 |
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133 | Properties properties = loadProperties(testdata);
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134 | Collection<List<Event>> sequences = loadAndPreprocessUsageJournal(testdata, properties);
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135 | Model model =
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136 | ModelUtils.loadModel(ClassLoader.getSystemResourceAsStream(testdata.dslModelFile));
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137 |
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138 | StateMachine stateMachine =
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139 | (StateMachine) model.getPackagedElement("StateMachineTransportService", true,
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140 | UMLPackage.Literals.STATE_MACHINE, true);
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141 |
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142 |
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143 | Collection<List<Event>> umlSequences = new LinkedList<>();
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144 |
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145 | // remove everything but transport from sequences
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146 | for (List<Event> sequence : sequences) {
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147 | for (Iterator<Event> eventIter = sequence.iterator(); eventIter.hasNext();) {
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148 | Event event = eventIter.next();
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149 | SOAPEventType eventType = (SOAPEventType) event.getType();
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150 | if (!"TransportService".equals(eventType.getServiceName())) {
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151 | eventIter.remove();
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152 | }
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153 | }
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154 | umlSequences.add(UMLUtils.createUMLTransitionSequence(sequence, stateMachine));
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155 | }
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156 | }
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157 |
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158 | @Test
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159 | public void testConvertStateMachineToUsageProfile__ITA_1() throws Exception {
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160 | TestData testdata = ita_1;
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161 |
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162 | Properties properties = loadProperties(testdata);
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163 | Collection<List<Event>> sequences = loadAndPreprocessUsageJournal(testdata, properties);
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164 |
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165 | Model model =
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166 | ModelUtils.loadModel(ClassLoader.getSystemResourceAsStream(testdata.dslModelFile));
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167 |
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168 | // remove everything but transport from sequences
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169 | for (List<Event> sequence : sequences) {
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170 | for (Iterator<Event> eventIter = sequence.iterator(); eventIter.hasNext();) {
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171 | Event event = eventIter.next();
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172 | SOAPEventType eventType = (SOAPEventType) event.getType();
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173 | if (!"TransportService".equals(eventType.getServiceName())) {
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174 | eventIter.remove();
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175 | }
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176 | }
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177 | }
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178 |
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179 | StateMachine stateMachine =
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180 | (StateMachine) model.getPackagedElement("StateMachineTransportService", true,
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181 | UMLPackage.Literals.STATE_MACHINE, true);
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182 |
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183 | UMLUtils.convertStateMachineToUsageProfile(sequences, stateMachine);
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184 |
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185 | ModelUtils.writeModelToFile(model, OUTPUT_DIR + "ita_v2_result.uml");
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186 | }
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187 |
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188 | @Test
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189 | public void testCreateInteractionFromEventSequence_DEDA_1() throws Exception {
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190 | createInteractionFromEventSequenceWorkflow(deda_1);
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191 | }
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192 |
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193 | @Test
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194 | public void testCreateInteractionFromEventSequence_DEDA_2() throws Exception {
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195 | createInteractionFromEventSequenceWorkflow(deda_2);
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196 | }
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197 |
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198 | @Test
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199 | public void testCreateInteractionFromEventSequence_ITA_1() throws Exception {
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200 | createInteractionFromEventSequenceWorkflow(ita_1);
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201 | }
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202 |
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203 | @Test
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204 | public void testCalculateUsageScore_DEDA_1() throws Exception {
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205 | calculateUsageScoreWorkflow(deda_1);
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206 | }
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207 |
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208 | @Test
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209 | public void testCalculateUsageScore_DEDA_2() throws Exception {
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210 | calculateUsageScoreWorkflow(deda_2);
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211 | }
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212 |
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213 |
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214 | @Test
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215 | public void testCalculateUsageScore_ITA_1() throws Exception {
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216 | calculateUsageScoreWorkflow(ita_1);
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217 | }
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218 |
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219 | @Test
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220 | public void testCreateScheduling_DEDA_1() throws Exception {
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221 | createSchedulingWorkflow(deda_1);
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222 | }
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223 |
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224 | @Test
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225 | public void testCreateScheduling_DEDA_2() throws Exception {
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226 | createSchedulingWorkflow(deda_2);
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227 | }
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228 |
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229 | @Test
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230 | public void testCreateScheduling_ITA() throws Exception {
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231 | createSchedulingWorkflow(ita_1);
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232 | }
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233 |
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234 | @Test
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235 | public void testValidateModelWithLog_DEDA_1() throws Exception {
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236 | validateModelWithLogWorkflow(deda_1);
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237 | }
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238 |
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239 |
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240 | @Test
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241 | public void testValidateModelWithLog_DEDA_2() throws Exception {
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242 | validateModelWithLogWorkflow(deda_2);
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243 | }
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244 |
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245 | @Test
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246 | public void testValidateModelWithLog_ITA_1() throws Exception {
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247 | validateModelWithLogWorkflow(ita_1);
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248 | }
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249 |
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250 | private void validateModelWithLogWorkflow(TestData testdata) throws Exception {
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251 | Properties properties = loadProperties(testdata);
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252 | Collection<List<Event>> sequences = loadAndPreprocessUsageJournal(testdata, properties);
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253 | Model model = ModelUtils.loadModel(ClassLoader.getSystemResourceAsStream(testdata.dslModelFile));
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254 |
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255 | // run validation
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256 | int violations = UMLUtils.validateModelWithLog(sequences, model, properties.getProperty("test.context"));
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257 | if (violations == 0) {
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258 | System.out.println("No problems found.");
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259 | }
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260 | else {
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261 | System.out.println(violations + " violations found.");
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262 | }
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263 | }
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264 |
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265 | private void createInteractionFromEventSequenceWorkflow(TestData testdata) throws Exception {
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266 | Properties properties = loadProperties(testdata);
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267 | Collection<List<Event>> sequences = loadAndPreprocessUsageJournal(testdata, properties);
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268 | Model model = ModelUtils.loadModel(ClassLoader.getSystemResourceAsStream(testdata.dslModelFile));
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269 |
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270 | // create a test case for each observed sequence
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271 | int i=0;
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272 | for( List<Event> sequence : sequences ) {
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273 | UMLUtils.createInteractionFromEventSequence(sequence, model, properties.getProperty("testcases.prefix")+"_"+i,
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274 | properties.getProperty("test.context"));
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275 | i++;
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276 | }
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277 | }
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278 |
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279 | private void calculateUsageScoreWorkflow(TestData testdata) throws Exception {
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280 | Properties properties = loadProperties(testdata);
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281 | Collection<List<Event>> sequences = loadAndPreprocessUsageJournal(testdata, properties);
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282 | Model model =
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283 | ModelUtils.loadModel(ClassLoader
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284 | .getSystemResourceAsStream(testdata.dslModelFile));
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285 | IStochasticProcess usageProfile = createUsageProfile(sequences);
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286 | Collection<List<Event>> generatedSequences = createRandomSequences(usageProfile, properties);
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287 |
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288 | int i = 1;
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289 | int[] lengths = new int[generatedSequences.size()];
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290 | for (List<Event> sequence : generatedSequences) {
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291 | UMLUtils.createInteractionFromEventSequence(sequence, model, properties.getProperty("testcases.prefix")+"_"+i,
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292 | properties.getProperty("test.context"));
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293 | lengths[i - 1] = sequence.size();
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294 | i++;
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295 | }
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296 | for (int j = 0; j < generatedSequences.size(); j++) {
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297 | Interaction interaction =
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298 | (Interaction) model.getPackagedElement(properties.getProperty("testcases.prefix") + j, true,
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299 | UMLPackage.Literals.INTERACTION, true);
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300 | double usageScore = UMLUtils.calculateUsageScore(interaction, usageProfile);
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301 | System.out.format("usage score %02d: %.2f \t %d\n", j + 1, usageScore, lengths[j]);
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302 | }
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303 | }
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304 |
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305 | private void createSchedulingWorkflow(TestData testdata) throws Exception {
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306 | Properties properties = loadProperties(testdata);
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307 | Collection<List<Event>> sequences = loadAndPreprocessUsageJournal(testdata, properties);
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308 | Model model = ModelUtils.loadModel(ClassLoader.getSystemResourceAsStream(testdata.dslModelFile));
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309 | IStochasticProcess usageProfile = createUsageProfile(sequences);
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310 | Collection<List<Event>> generatedSequences = createRandomSequences(usageProfile, properties);
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311 | int i = 1;
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312 | for (List<Event> sequence : generatedSequences) {
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313 | UMLUtils.createInteractionFromEventSequence(sequence, model, properties.getProperty("testcases.prefix")+"_"+i,
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314 | properties.getProperty("test.context"));
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315 | i++;
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316 | }
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317 |
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318 | UMLUtils.createScheduling(model, usageProfile, null);
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319 |
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320 | //ModelUtils.writeModelToFile(model, OUTPUT_DIR + "testCreateScheduling_1_result.uml");
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321 | }
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322 |
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323 | private Properties loadProperties(TestData testdata) throws Exception {
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324 | Properties properties = new Properties();
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325 | properties.load(new FileInputStream(ClassLoader.getSystemResource(testdata.propertiesFile).getFile()));
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326 | return properties;
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327 | }
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328 |
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329 | private Collection<List<Event>> loadAndPreprocessUsageJournal(TestData testdata, Properties properties) throws Exception {
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330 | // load usage journal
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331 | HTTPLogParser parser =
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332 | new HTTPLogParser(new File(ClassLoader.getSystemResource(testdata.propertiesFile)
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333 | .getFile()));
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334 | parser
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335 | .parseFile(new File(ClassLoader
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336 | .getSystemResource(testdata.usageJournalFile)
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337 | .getFile()));
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338 | Collection<List<Event>> sequences = parser.getSequences();
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339 |
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340 | // remove non SOAP events
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341 | for (List<Event> sequence : sequences) {
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342 | SOAPUtils.removeNonSOAPEvents(sequence);
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343 | }
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344 |
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345 | // remove calls to ingored services
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346 | Set<String> ignoredServices = new HashSet<>();
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347 | String ignoredServicesString = properties.getProperty("test.ignored.services");
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348 | if( ignoredServicesString!=null ) {
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349 | for( String service : ignoredServicesString.split(",") ) {
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350 | ignoredServices.add(service.trim());
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351 | }
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352 | }
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353 |
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354 | for (List<Event> sequence : sequences) {
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355 | for (Iterator<Event> eventIter = sequence.iterator(); eventIter.hasNext();) {
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356 | Event event = eventIter.next();
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357 | SOAPEventType eventType = (SOAPEventType) event.getType();
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358 | if (ignoredServices.contains(eventType.getServiceName())) {
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359 | eventIter.remove();
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360 | }
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361 | }
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362 | }
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363 | return sequences;
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364 | }
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365 |
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366 | private IStochasticProcess createUsageProfile(Collection<List<Event>> sequences) throws Exception {
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367 | Collection<List<Event>> simpleSOAPSequences = new LinkedList<>();
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368 | for (List<Event> sequence : sequences) {
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369 | simpleSOAPSequences.add(SOAPUtils.convertToSimpleSOAPEvent(sequence, true));
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370 | }
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371 |
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372 | FirstOrderMarkovModel usageProfile = new FirstOrderMarkovModel(new Random(1));
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373 | usageProfile.train(simpleSOAPSequences);
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374 | return usageProfile;
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375 | }
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376 |
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377 | private Collection<List<Event>> createRandomSequences(IStochasticProcess usageProfile, Properties properties) throws Exception {
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378 | int numberOfTestCases = Integer.parseInt(properties.getProperty("testcases.number"));
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379 | int testCaseMinLength = Integer.parseInt(properties.getProperty("testcases.minlenth", "1"));
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380 | int testCaseMaxLength = Integer.parseInt(properties.getProperty("testcases.maxlenth", "100"));
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381 | int maxIter = numberOfTestCases * 100;
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382 | RandomWalkGenerator testGenerator = new RandomWalkGenerator(numberOfTestCases, testCaseMinLength, testCaseMaxLength, true, maxIter);
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383 | return testGenerator.generateTestSuite(usageProfile);
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384 | }
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385 |
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386 | private void deleteFiles(File file) {
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387 | if (file.exists()) {
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388 | if (file.isDirectory()) {
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389 | for (File child : file.listFiles()) {
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390 | deleteFiles(child);
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391 | }
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392 | }
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393 |
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394 | try {
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395 | file.delete();
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396 | }
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397 | catch (Exception e) {
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398 | // ignore and delete as much as possible
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399 | }
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400 | }
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401 | }
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402 |
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403 | }
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