use of org.evosuite.testsuite.TestSuiteFitnessFunction in project evosuite by EvoSuite.
the class NoveltyStrategy method generateTests.
@Override
public TestSuiteChromosome generateTests() {
// Set up search algorithm
LoggingUtils.getEvoLogger().info("* Setting up search algorithm for novelty search");
PropertiesNoveltySearchFactory algorithmFactory = new PropertiesNoveltySearchFactory();
NoveltySearch<TestChromosome> algorithm = algorithmFactory.getSearchAlgorithm();
if (Properties.SERIALIZE_GA || Properties.CLIENT_ON_THREAD)
TestGenerationResultBuilder.getInstance().setGeneticAlgorithm(algorithm);
long startTime = System.currentTimeMillis() / 1000;
// What's the search target
List<TestSuiteFitnessFunction> fitnessFunctions = getFitnessFunctions();
NoveltyFitnessEvaluationListener listener = new NoveltyFitnessEvaluationListener(fitnessFunctions);
algorithm.addListener(listener);
algorithm.setNoveltyFunction(new BranchNoveltyFunction());
if (Properties.TRACK_DIVERSITY)
algorithm.addListener(new DiversityObserver());
if (ArrayUtil.contains(Properties.CRITERION, Properties.Criterion.DEFUSE) || ArrayUtil.contains(Properties.CRITERION, Properties.Criterion.ALLDEFS) || ArrayUtil.contains(Properties.CRITERION, Properties.Criterion.STATEMENT) || ArrayUtil.contains(Properties.CRITERION, Properties.Criterion.RHO) || ArrayUtil.contains(Properties.CRITERION, Properties.Criterion.AMBIGUITY))
ExecutionTracer.enableTraceCalls();
// TODO: why it was only if "analyzing"???
// if (analyzing)
algorithm.resetStoppingConditions();
List<TestFitnessFunction> goals = getGoals(true);
if (!canGenerateTestsForSUT()) {
LoggingUtils.getEvoLogger().info("* Found no testable methods in the target class " + Properties.TARGET_CLASS);
ClientServices.getInstance().getClientNode().trackOutputVariable(RuntimeVariable.Total_Goals, goals.size());
return new TestSuiteChromosome();
}
/*
* Proceed with search if CRITERION=EXCEPTION, even if goals is empty
*/
TestSuiteChromosome testSuite = null;
if (!(Properties.STOP_ZERO && goals.isEmpty()) || ArrayUtil.contains(Properties.CRITERION, Properties.Criterion.EXCEPTION)) {
// Perform search
LoggingUtils.getEvoLogger().info("* Using seed {}", Randomness.getSeed());
LoggingUtils.getEvoLogger().info("* Starting evolution");
ClientServices.getInstance().getClientNode().changeState(ClientState.SEARCH);
algorithm.generateSolution();
testSuite = Archive.getArchiveInstance().mergeArchiveAndSolution(new TestSuiteChromosome());
} else {
zeroFitness.setFinished();
testSuite = new TestSuiteChromosome();
for (FitnessFunction<?> ff : fitnessFunctions) {
testSuite.setCoverage(ff, 1.0);
}
}
long endTime = System.currentTimeMillis() / 1000;
// recalculated now after the search, eg to handle exception fitness
goals = getGoals(false);
ClientServices.getInstance().getClientNode().trackOutputVariable(RuntimeVariable.Total_Goals, goals.size());
// Newline after progress bar
if (Properties.SHOW_PROGRESS)
LoggingUtils.getEvoLogger().info("");
if (!Properties.IS_RUNNING_A_SYSTEM_TEST) {
// avoid printing time related info in system tests due to lack of determinism
LoggingUtils.getEvoLogger().info("* Search finished after " + (endTime - startTime) + "s and " + algorithm.getAge() + " generations, " + MaxStatementsStoppingCondition.getNumExecutedStatements() + " statements, best individual has fitness: " + testSuite.getFitness());
}
// Search is finished, send statistics
sendExecutionStatistics();
return testSuite;
}
use of org.evosuite.testsuite.TestSuiteFitnessFunction in project evosuite by EvoSuite.
the class JUnitTestCarvedChromosomeFactory method readTestCases.
private void readTestCases() throws IllegalStateException {
CarvingManager manager = CarvingManager.getInstance();
final Class<?> targetClass = Properties.getTargetClassAndDontInitialise();
List<TestCase> tests = manager.getTestsForClass(targetClass);
junitTests.addAll(tests);
if (junitTests.size() > 0) {
totalNumberOfTestsCarved = junitTests.size();
LoggingUtils.getEvoLogger().info("* Using {} carved tests from existing JUnit tests for seeding", junitTests.size());
if (logger.isDebugEnabled()) {
for (TestCase test : junitTests) {
logger.debug("Carved Test: {}", test.toCode());
}
}
TestSuiteChromosome suite = new TestSuiteChromosome();
for (TestCase test : junitTests) {
suite.addTest(test);
}
for (Properties.Criterion pc : Properties.CRITERION) {
TestSuiteFitnessFunction f = FitnessFunctions.getFitnessFunction(pc);
f.getFitness(suite);
}
carvedCoverage = suite.getCoverage();
}
ClientNodeLocal client = ClientServices.getInstance().getClientNode();
client.trackOutputVariable(RuntimeVariable.CarvedTests, totalNumberOfTestsCarved);
client.trackOutputVariable(RuntimeVariable.CarvedCoverage, carvedCoverage);
}
Aggregations