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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 CUTUtil class
*
* Useful to get data (total, averages, etc) from a {@code CUT} instance.
*
* @author José Campos
*/
public abstract class CUTUtil {
/**
* Total Numbers
*/
/**
* Returns the total length (i.e., number of statements) of the latest successful generation
*
* @param cut
* @return total length or 0 if there is not any successful generation for {@code CUT}
*/
public static int getNumberStatements(CUT cut) {
Generation latestSuccessfulGeneration = CUTUtil.getLatestSuccessfulGeneration(cut);
if (latestSuccessfulGeneration == null) {
return 0;
}
return GenerationUtil.getNumberStatements(latestSuccessfulGeneration);
}
/**
* Returns the total time (minutes) spent on the latest generation
*
* @param cut
* @return
*/
public static int getTotalEffort(CUT cut) {
Generation latestSuccessfulGeneration = CUTUtil.getLatestGeneration(cut);
return GenerationUtil.getTotalEffort(latestSuccessfulGeneration);
}
/**
* Returns the total time (minutes) settled by the scheduler on the latest generation
*
* @param cut
* @return
*/
public static int getTimeBudget(CUT cut) {
Generation latestSuccessfulGeneration = CUTUtil.getLatestGeneration(cut);
return GenerationUtil.getTimeBudget(latestSuccessfulGeneration);
}
/**
* Returns the total time (minutes) spent on a generation with an ID equal to generationID
*
* @param cut
* @param generationID
* @return total time (minutes) spent on a generation with ID equal to generationID, or 0 if there
* is not a generation with the ID equal to generationID
*/
public static int getTotalEffort(CUT cut, int generationID) {
if (generationID >= cut.getGeneration().size()) {
return 0;
}
Generation generation = cut.getGeneration().get(generationID);
return GenerationUtil.getTotalEffort(generation);
}
/**
* Returns the total time (minutes) settled by the scheduler on a generation with an ID equal to
* generationID
*
* @param cut
* @param generationID
* @return total time (minutes) settled by the scheduler on a generation with ID equal to
* generationID, or 0 if there is not a generation with the ID equal to generationID
*/
public static int getTimeBudget(CUT cut, int generationID) {
if (generationID >= cut.getGeneration().size()) {
return 0;
}
Generation generation = cut.getGeneration().get(generationID);
return GenerationUtil.getTimeBudget(generation);
}
/**
* Returns the total number of generated tests of the latest successful generation
*
* @param cut
* @return total number of tests or 0 if there is not any successful generation for {@code CUT}
*/
public static int getNumberTests(CUT cut) {
Generation latestSuccessfulGeneration = CUTUtil.getLatestSuccessfulGeneration(cut);
if (latestSuccessfulGeneration == null) {
return 0;
}
return GenerationUtil.getNumberTests(latestSuccessfulGeneration);
}
/**
* Returns all criteria used on the latest successful generation
*
* @param cut
* @return all criteria used or an empty Set<> if there is not any successful generation for {@code CUT}
*/
public static Set getCriteria(CUT cut) {
Generation latestSuccessfulGeneration = CUTUtil.getLatestSuccessfulGeneration(cut);
if (latestSuccessfulGeneration == null) {
return new HashSet();
}
return GenerationUtil.getCriteria(latestSuccessfulGeneration);
}
/**
* Returns the coverage of a particular criterion of the latest successful generation
*
* @param cut
* @param criterionName
* @return coverage of a criterion or 0.0 if there is not any successful generation for {@code CUT}
*/
public static double getCriterionCoverage(CUT cut, String criterionName) {
Generation latestSuccessfulGeneration = CUTUtil.getLatestSuccessfulGeneration(cut);
if (latestSuccessfulGeneration == null) {
return 0.0;
}
return GenerationUtil.getCriterionCoverage(latestSuccessfulGeneration, criterionName);
}
/**
* Averages
*/
/**
* Returns the overall coverage of the latest successful generation
*
* @param cut
* @return overall coverage or or 0.0 if there is not any successful generation for {@code CUT}
*/
public static double getOverallCoverage(CUT cut) {
Generation latestSuccessfulGeneration = CUTUtil.getLatestSuccessfulGeneration(cut);
if (latestSuccessfulGeneration == null) {
return 0.0;
}
return GenerationUtil.getOverallCoverage(latestSuccessfulGeneration);
}
/**
* Aux
*/
/**
* Returns the latest test generation
*
* @param cut
* @return
*/
public static Generation getLatestGeneration(CUT cut) {
return cut.getGeneration().get(cut.getGeneration().size() - 1);
}
/**
* Returns the latest successful test generation
*
* @param cut
* @return the latest successful test generation or null if: one of the latest generation failed
* and the class was modified; or if there is not any successful generation for {@code CUT}
*/
public static Generation getLatestSuccessfulGeneration(CUT cut) {
for (int i = cut.getGeneration().size() - 1; i >= 0; i--) {
Generation g = cut.getGeneration().get(i);
// if a test generation failed and the class under test
// was modified, we can argue that there is not a valid
// last successful generation
if (g.isFailed() && g.isModified()) {
return null;
} else if (!g.isFailed() && g.getSuite() != null) {
// however, if there is generation that ended successfully
// and has a test suite, return it.
return g;
}
}
return null;
}
}