Examples with TestChromosome org.evosuite.testcase.TestChromosome used on opensource projects

Example 26 with TestChromosome

use of org.evosuite.testcase.TestChromosome in project evosuite by EvoSuite.

the class TestDSETestSuiteTriangle method testCVC4Solver.

@Test
public void testCVC4Solver() throws NoSuchMethodException, SecurityException, ClassNotFoundException {
    String cvc4_path = System.getenv("cvc4_path");
    if (cvc4_path != null) {
        Properties.CVC4_PATH = cvc4_path;
    }
    Assume.assumeTrue(Properties.CVC4_PATH != null);
    Properties.DSE_SOLVER = Properties.SolverType.CVC4_SOLVER;
    Properties.CRITERION = new Properties.Criterion[] { Criterion.BRANCH };
    Properties.TARGET_CLASS = Triangle.class.getName();
    TestGenerationContext.getInstance().getClassLoaderForSUT().loadClass(Properties.TARGET_CLASS);
    BranchCoverageSuiteFitness branchCoverageSuiteFitness = new BranchCoverageSuiteFitness();
    TestSuiteChromosome suite = new TestSuiteChromosome();
    suite.addFitness(branchCoverageSuiteFitness);
    branchCoverageSuiteFitness.getFitness(suite);
    // no goals covered yet
    int coveredGoals0 = suite.getNumOfCoveredGoals();
    int notCoveredGoals0 = suite.getNumOfNotCoveredGoals();
    assertEquals(0, coveredGoals0);
    assertNotEquals(0, notCoveredGoals0);
    DefaultTestCase testCase0 = buildTestCase0();
    TestChromosome testChromosome0 = new TestChromosome();
    testChromosome0.setTestCase(testCase0);
    suite.addTest(testChromosome0);
    double fitnessBeforeLocalSearch = branchCoverageSuiteFitness.getFitness(suite);
    int coveredGoalsBeforeLocalSearch = suite.getNumOfCoveredGoals();
    // some goal was covered
    assertTrue(coveredGoalsBeforeLocalSearch > 0);
    LocalSearchObjective<TestSuiteChromosome> localSearchObjective = new DefaultLocalSearchObjective<>();
    localSearchObjective.addFitnessFunction(branchCoverageSuiteFitness);
    boolean improved;
    do {
        TestSuiteLocalSearch localSearch = new TestSuiteLocalSearch();
        improved = localSearch.doSearch(suite, localSearchObjective);
    } while (improved);
    double fitnessAfterLocalSearch = branchCoverageSuiteFitness.getFitness(suite);
    int coveredGoalsAfterLocalSearch = suite.getNumOfCoveredGoals();
    assertTrue(fitnessAfterLocalSearch < fitnessBeforeLocalSearch);
    assertTrue(coveredGoalsAfterLocalSearch > coveredGoalsBeforeLocalSearch);
    int finalSuiteSize = suite.size();
    assertEquals(18, coveredGoalsAfterLocalSearch);
    assertTrue(finalSuiteSize > 1);
}

Example 27 with TestChromosome

use of org.evosuite.testcase.TestChromosome in project evosuite by EvoSuite.

the class TestDSETestSuiteTriangle method testAVMSolver.

@Test
public void testAVMSolver() throws NoSuchMethodException, SecurityException, ClassNotFoundException {
    Properties.DSE_SOLVER = Properties.SolverType.EVOSUITE_SOLVER;
    Properties.CRITERION = new Properties.Criterion[] { Criterion.BRANCH };
    Properties.TARGET_CLASS = Triangle.class.getName();
    TestGenerationContext.getInstance().getClassLoaderForSUT().loadClass(Properties.TARGET_CLASS);
    BranchCoverageSuiteFitness branchCoverageSuiteFitness = new BranchCoverageSuiteFitness();
    TestSuiteChromosome suite = new TestSuiteChromosome();
    suite.addFitness(branchCoverageSuiteFitness);
    branchCoverageSuiteFitness.getFitness(suite);
    // no goals covered yet
    int coveredGoals0 = suite.getNumOfCoveredGoals();
    int notCoveredGoals0 = suite.getNumOfNotCoveredGoals();
    assertEquals(0, coveredGoals0);
    assertNotEquals(0, notCoveredGoals0);
    DefaultTestCase testCase0 = buildTestCase0();
    TestChromosome testChromosome0 = new TestChromosome();
    testChromosome0.setTestCase(testCase0);
    suite.addTest(testChromosome0);
    double fitnessBeforeLocalSearch = branchCoverageSuiteFitness.getFitness(suite);
    int coveredGoalsBeforeLocalSearch = suite.getNumOfCoveredGoals();
    // some goal was covered
    assertTrue(coveredGoalsBeforeLocalSearch > 0);
    LocalSearchObjective<TestSuiteChromosome> localSearchObjective = new DefaultLocalSearchObjective<>();
    localSearchObjective.addFitnessFunction(branchCoverageSuiteFitness);
    boolean improved;
    do {
        TestSuiteLocalSearch localSearch = new TestSuiteLocalSearch();
        improved = localSearch.doSearch(suite, localSearchObjective);
    } while (improved);
    double fitnessAfterLocalSearch = branchCoverageSuiteFitness.getFitness(suite);
    int coveredGoalsAfterLocalSearch = suite.getNumOfCoveredGoals();
    assertTrue(fitnessAfterLocalSearch < fitnessBeforeLocalSearch);
    assertTrue(coveredGoalsAfterLocalSearch > coveredGoalsBeforeLocalSearch);
    int finalSuiteSize = suite.size();
    assertTrue(coveredGoalsAfterLocalSearch > coveredGoalsBeforeLocalSearch);
    assertTrue(finalSuiteSize >= 2);
}

Example 28 with TestChromosome

use of org.evosuite.testcase.TestChromosome in project evosuite by EvoSuite.

the class TestDSETestSuiteFlag method testCVC4Solver.

@Test
public void testCVC4Solver() throws NoSuchMethodException, SecurityException, ClassNotFoundException {
    String cvc4_path = System.getenv("cvc4_path");
    if (cvc4_path != null) {
        Properties.CVC4_PATH = cvc4_path;
    }
    Assume.assumeTrue(Properties.CVC4_PATH != null);
    Properties.DSE_SOLVER = Properties.SolverType.CVC4_SOLVER;
    Properties.CRITERION = new Properties.Criterion[] { Criterion.BRANCH };
    Properties.TARGET_CLASS = Flag.class.getName();
    TestGenerationContext.getInstance().getClassLoaderForSUT().loadClass(Properties.TARGET_CLASS);
    BranchCoverageSuiteFitness branchCoverageSuiteFitness = new BranchCoverageSuiteFitness();
    TestSuiteChromosome suite = new TestSuiteChromosome();
    suite.addFitness(branchCoverageSuiteFitness);
    branchCoverageSuiteFitness.getFitness(suite);
    // no goals covered yet
    int coveredGoals0 = suite.getNumOfCoveredGoals();
    int notCoveredGoals0 = suite.getNumOfNotCoveredGoals();
    assertEquals(0, coveredGoals0);
    assertNotEquals(0, notCoveredGoals0);
    DefaultTestCase testCase0 = buildTestCase0();
    TestChromosome testChromosome0 = new TestChromosome();
    testChromosome0.setTestCase(testCase0);
    suite.addTest(testChromosome0);
    branchCoverageSuiteFitness.getFitness(suite);
    DefaultTestCase testCase1 = buildTestCase1();
    TestChromosome testChromosome1 = new TestChromosome();
    testChromosome1.setTestCase(testCase1);
    suite.addTest(testChromosome1);
    double fitnessBeforeLocalSearch = branchCoverageSuiteFitness.getFitness(suite);
    int coveredGoalsBeforeLocalSearch = suite.getNumOfCoveredGoals();
    // some goal was covered
    assertTrue(coveredGoalsBeforeLocalSearch > 0);
    LocalSearchObjective<TestSuiteChromosome> localSearchObjective = new DefaultLocalSearchObjective<>();
    localSearchObjective.addFitnessFunction(branchCoverageSuiteFitness);
    boolean improved;
    do {
        TestSuiteLocalSearch localSearch = new TestSuiteLocalSearch();
        improved = localSearch.doSearch(suite, localSearchObjective);
    } while (improved);
    double fitnessAfterLocalSearch = branchCoverageSuiteFitness.getFitness(suite);
    int coveredGoalsAfterLocalSearch = suite.getNumOfCoveredGoals();
    assertTrue(fitnessAfterLocalSearch < fitnessBeforeLocalSearch);
    assertTrue(coveredGoalsAfterLocalSearch > coveredGoalsBeforeLocalSearch);
    int finalSuiteSize = suite.size();
    /*
		 * Check at least 6 goals were covered
		 */
    assertTrue(coveredGoalsAfterLocalSearch >= 6);
    assertTrue(finalSuiteSize > 1);
}

Example 29 with TestChromosome

use of org.evosuite.testcase.TestChromosome in project evosuite by EvoSuite.

the class LIPS method updateArchive.

/**
 * Store the test cases that are optimal for the test goal in the archive
 * @param solution covering test case
 * @param covered covered branch
 */
private void updateArchive(T solution, FitnessFunction<T> covered) {
    // the next two lines are needed since that coverage information are used
    // during EvoSuite post-processing
    TestChromosome tch = (TestChromosome) solution;
    tch.getTestCase().getCoveredGoals().add((TestFitnessFunction) covered);
    if (!archive.containsKey(covered)) {
        archive.put(covered, solution);
        this.uncoveredBranches.remove(covered);
    }
}

Example 30 with TestChromosome

use of org.evosuite.testcase.TestChromosome in project evosuite by EvoSuite.

the class LIPS method runTest.

/**
 * This method executes a given test case (i.e., TestChromosome)
 *
 * @param c test case (TestChromosome) to execute
 */
protected void runTest(T c) {
    if (!c.isChanged())
        return;
    // run the test
    TestCase test = ((TestChromosome) c).getTestCase();
    ExecutionResult result = TestCaseExecutor.runTest(test);
    ((TestChromosome) c).setLastExecutionResult(result);
    c.setChanged(false);
    // notify the fitness evaluation (i.e., the test is executed)
    notifyEvaluation(c);
}