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/**
* Copyright (C) 2010-2018 Gordon Fraser, Andrea Arcuri and EvoSuite
* contributors
*
* This file is part of EvoSuite.
*
* EvoSuite is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3.0 of the License, or
* (at your option) any later version.
*
* EvoSuite 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
* Lesser Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with EvoSuite. If not, see ProjectUtil class
*
* Useful to get data (total, averages, etc) from a {@code Project} instance.
*
* @author José Campos
*/
public abstract class ProjectUtil {
/**
* Total Numbers
*/
/**
* Returns the total number of tested classes
*
* @param project
* @return
*/
public static int getTotalNumberTestedClasses(Project project) {
return project.getCut().size();
}
/**
* Returns the total number of tested classes on the latest execution
*
* @param project
* @return
*/
public static int getNumberLatestTestedClasses(Project project) {
if (project.getCut().isEmpty()) {
return 0;
}
final OptionalInt highestID = project.getCut().parallelStream()
.mapToInt(c -> CUTUtil.getLatestGeneration(c).getId().intValue()).reduce(Integer::max);
return (int) project.getCut().parallelStream()
.filter(c -> CUTUtil.getTimeBudget(c, highestID.getAsInt()) > 0).count();
}
/**
* Returns the total number of testable classes
*
* @param project
* @return
*/
public static int getNumberTestableClasses(Project project) {
return project.getTotalNumberOfTestableClasses().intValue();
}
/**
* Returns the total time (minutes) spent on all successful generations
*
* @param project
* @return total time (minutes) or 0 if there is not any {@code CUT}
*/
public static int getTotalEffort(Project project) {
if (project.getCut().isEmpty()) {
return 0;
}
final OptionalInt highestID = project.getCut().parallelStream()
.mapToInt(c -> CUTUtil.getLatestGeneration(c).getId().intValue()).reduce(Integer::max);
return (int) Math.ceil(project.getCut().parallelStream()
.mapToDouble(c -> CUTUtil.getTotalEffort(c, highestID.getAsInt())).sum());
}
/**
* Returns the total time (minutes) settled by the scheduler on all successful generations
*
* @param project
* @return total time (minutes) or 0 if there is not any {@code CUT}
*/
public static int getTimeBudget(Project project) {
if (project.getCut().isEmpty()) {
return 0;
}
final OptionalInt highestID = project.getCut().parallelStream()
.mapToInt(c -> CUTUtil.getLatestGeneration(c).getId().intValue()).reduce(Integer::max);
return (int) Math.ceil(project.getCut().parallelStream()
.mapToDouble(c -> CUTUtil.getTimeBudget(c, highestID.getAsInt())).sum());
}
/**
* Returns the total number of generated test suites of all successful generations
*
* @param project
* @return number of generated test suites or 0 if there is not any {@code CUT}
*/
public static int getNumberGeneratedTestSuites(Project project) {
if (project.getCut().isEmpty()) {
return 0;
}
return ProjectUtil.getAllSuccessfulGenerations(project).size();
}
/**
* Returns all criteria used on all successful generations
*
* @param project
* @return all criteria used or an empty Set<> if there is not any {@code CUT}
*/
public static Set getUnionCriteria(Project project) {
Set criteria = new LinkedHashSet();
if (project.getCut().isEmpty()) {
return criteria;
}
return ProjectUtil.getAllSuccessfulGenerations(project).parallelStream()
.map(g -> GenerationUtil.getCriteria(g)).flatMap(s -> s.stream())
.collect(Collectors.toSet());
}
/**
* Averages
*/
/**
* Returns the average length (i.e., number of statements) of all successful generations
*
* @param project
* @return average length or 0.0 if there is not any {@code CUT}
*/
public static double getAverageNumberStatements(Project project) {
if (project.getCut().isEmpty()) {
return 0.0;
}
return ProjectUtil.getAllSuccessfulGenerations(project).parallelStream()
.mapToDouble(g -> g.getSuite().getTotalNumberOfStatements().doubleValue()).sum()
/ project.getTotalNumberOfTestableClasses().doubleValue();
}
/**
* Returns the overall coverage of all successful generations
*
* @param project
* @return overall coverage or 0.0 if there is not any {@code CUT}
*/
public static double getOverallCoverage(Project project) {
if (project.getCut().isEmpty()) {
return 0.0;
}
return ProjectUtil.getAllSuccessfulGenerations(project).parallelStream()
.mapToDouble(g -> GenerationUtil.getOverallCoverage(g)).sum()
/ project.getTotalNumberOfTestableClasses().doubleValue();
}
/**
* Returns the coverage of a particular criterion of all successful generations
*
* @param project
* @param criterionName
* @return average coverage of a criterion or 0.0 if there is not any {@code CUT}
*/
public static double getAverageCriterionCoverage(Project project, String criterionName) {
if (project.getCut().isEmpty()) {
return 0.0;
}
return ProjectUtil.getAllSuccessfulGenerations(project).parallelStream()
.mapToDouble(g -> GenerationUtil.getCriterionCoverage(g, criterionName)).sum()
/ project.getTotalNumberOfTestableClasses().doubleValue();
}
/**
* Returns the average number of generated tests of all successful generations
*
* @param project
* @return average number of tests or 0.0 if there is not any {@code CUT}
*/
public static double getAverageNumberTests(Project project) {
if (project.getCut().isEmpty()) {
return 0.0;
}
return ProjectUtil.getAllSuccessfulGenerations(project).parallelStream()
.mapToDouble(g -> g.getSuite().getNumberOfTests().doubleValue()).sum()
/ project.getTotalNumberOfTestableClasses().doubleValue();
}
/**
* Aux
*/
/**
* Returns the {@code CUT} object of a particular class name
*
* @param project
* @param className
* @return a {@code CUT} object or null if there is not any {@code CUT} with class name
*/
public static CUT getCUT(Project project, String className) {
return project.getCut().parallelStream()
.filter(p -> p.getFullNameOfTargetClass().equals(className)).findFirst().orElse(null);
}
/**
* Returns all successful generations
*
* @param project
* @return all successful generations or an empty Set<> if: there is not any {@code CUT}; or if
* there is not any successful generation at all
*/
protected static List getAllSuccessfulGenerations(Project project) {
List all = new ArrayList();
if (project.getCut().isEmpty()) {
return all;
}
for (CUT cut : project.getCut()) {
// search for the latest successful test generation of 'cut'
Generation lastSuccessfulGeneration = CUTUtil.getLatestSuccessfulGeneration(cut);
if (lastSuccessfulGeneration != null) {
all.add(lastSuccessfulGeneration);
}
}
return all;
}
}