Examples with TestSuiteChromosome org.evosuite.testsuite.TestSuiteChromosome used on opensource projects

Example 81 with TestSuiteChromosome

use of org.evosuite.testsuite.TestSuiteChromosome in project evosuite by EvoSuite.

the class DeleteMutationSystemTest method testTwoInts.

@Test
public void testTwoInts() throws NoSuchMethodException, SecurityException, ClassNotFoundException, ConstructionFailedException {
    Properties.TARGET_CLASS = IntExampleWithNoElse.class.getCanonicalName();
    TestChromosome test1 = new TestChromosome();
    test1.setTestCase(getTwoIntTest(1, 1, 22, 22));
    TestChromosome test2 = new TestChromosome();
    test2.setTestCase(getTwoIntTest(-23423423, 234234234, -23423423, 234234234));
    TestChromosome test3 = new TestChromosome();
    test3.setTestCase(getTwoIntTest(0, 0, 0, 0));
    TestSuiteChromosome suite = new TestSuiteChromosome();
    BranchCoverageSuiteFitness fitness = new BranchCoverageSuiteFitness();
    assertEquals(6.0, fitness.getFitness(suite), 0.0F);
    suite.addTest(test1);
    assertEquals(2.0, fitness.getFitness(suite), 0.0F);
    suite.addTest(test2);
    suite.addTest(test3);
    // This is the expected result
    // 
    TestSuiteChromosome checkSuite = suite.clone();
    TestChromosome test4 = new TestChromosome();
    test4.setTestCase(getTwoIntTest(1, 22, 22, 1));
    checkSuite.addTest(test4);
    assertEquals(0.0, fitness.getFitness(checkSuite), 0.0F);
    Class<?> sut = TestGenerationContext.getInstance().getClassLoaderForSUT().loadClass(Properties.TARGET_CLASS);
    Method m = sut.getMethod("testMe", new Class<?>[] { int.class, int.class });
    GenericMethod method = new GenericMethod(m, sut);
    TestCluster.getInstance().addTestCall(method);
    Properties.P_TEST_CHANGE = 0.0;
    Properties.P_TEST_DELETE = 1.0;
    Properties.P_TEST_INSERT = 0.0;
    double oldFitness = fitness.getFitness(suite);
    int notChanged = 0;
    System.out.println("Original: " + test1);
    for (int i = 0; i < 100; i++) {
        TestChromosome testNew = (TestChromosome) test1.clone();
        testNew.mutate();
        if (testNew.isChanged()) {
            System.out.println("Trying: " + testNew);
            suite.deleteTest(test1);
            suite.addTest(testNew);
            double newFitness = fitness.getFitness(suite);
            if (newFitness < oldFitness) {
                test1 = testNew;
                oldFitness = newFitness;
                if (newFitness == 0.0) {
                    System.out.println("Iterations: " + i);
                    System.out.println("Not changed: " + notChanged);
                    break;
                }
            } else {
                // Can get stuck in a local optimum with just mutation
                if (testNew.size() == 1) {
                    test1.setTestCase(getTwoIntTest(1, 1, 22, 22));
                }
                suite.deleteTest(testNew);
                suite.addTest(test1);
                fitness.getFitness(suite);
            }
        } else {
            notChanged++;
        }
    }
    System.out.println("Fitness: " + fitness.getFitness(suite));
    System.out.println("Test suite: " + suite);
    assertEquals(0.0, fitness.getFitness(suite), 0.1F);
}

Example 82 with TestSuiteChromosome

use of org.evosuite.testsuite.TestSuiteChromosome in project evosuite by EvoSuite.

the class InsertionMutationSystemTest method testSimpleInt.

@Test
public void testSimpleInt() throws NoSuchMethodException, SecurityException, ClassNotFoundException, ConstructionFailedException {
    Properties.TARGET_CLASS = TrivialInt.class.getCanonicalName();
    TestChromosome test1 = new TestChromosome();
    test1.setTestCase(getIntTest(-1000000));
    TestChromosome test2 = (TestChromosome) test1.clone();
    TestSuiteChromosome suite = new TestSuiteChromosome();
    BranchCoverageSuiteFitness fitness = new BranchCoverageSuiteFitness();
    assertEquals(4.0, fitness.getFitness(suite), 0.0F);
    suite.addTest(test1);
    assertEquals(1.0, fitness.getFitness(suite), 0.0F);
    suite.addTest(test2);
    // 0.99...
    assertEquals(1.0, fitness.getFitness(suite), 0.01F);
    Class<?> sut = TestGenerationContext.getInstance().getClassLoaderForSUT().loadClass(Properties.TARGET_CLASS);
    Method m = sut.getMethod("testMe", new Class<?>[] { int.class });
    GenericMethod method = new GenericMethod(m, sut);
    TestCluster.getInstance().addTestCall(method);
    Properties.P_TEST_CHANGE = 0.0;
    Properties.P_TEST_DELETE = 0.0;
    Properties.P_TEST_INSERT = 1.0;
    double oldFitness = suite.getFitness();
    int notChanged = 0;
    for (int i = 0; i < 100; i++) {
        TestChromosome testNew = (TestChromosome) test1.clone();
        testNew.mutate();
        if (testNew.isChanged()) {
            suite.deleteTest(test1);
            suite.addTest(testNew);
            System.out.println(testNew.getTestCase().toCode());
            double newFitness = fitness.getFitness(suite);
            if (newFitness < oldFitness) {
                System.out.println("Improved: " + newFitness);
                test1 = testNew;
                oldFitness = newFitness;
                System.out.println("" + i + ":" + ((IntPrimitiveStatement) test1.getTestCase().getStatement(1)).getValue());
                if (newFitness == 0.0) {
                    System.out.println("Iterations: " + i);
                    System.out.println("Not changed: " + notChanged);
                    break;
                }
            } else {
                System.out.println("Not improved: " + newFitness);
                suite.deleteTest(testNew);
                suite.addTest(test1);
                fitness.getFitness(suite);
            }
        } else {
            notChanged++;
        }
    }
    System.out.println("Fitness: " + fitness.getFitness(suite));
    System.out.println("Test suite: " + suite);
    assertEquals(0.0, fitness.getFitness(suite), 0.1F);
}

Example 83 with TestSuiteChromosome

use of org.evosuite.testsuite.TestSuiteChromosome in project evosuite by EvoSuite.

the class InsertionMutationSystemTest method testTwoInts.

@Test
public void testTwoInts() throws NoSuchMethodException, SecurityException, ClassNotFoundException, ConstructionFailedException {
    Properties.TARGET_CLASS = IntExampleWithNoElse.class.getCanonicalName();
    TestChromosome test1 = new TestChromosome();
    test1.setTestCase(getTwoIntTest(1, 1000));
    TestChromosome test2 = new TestChromosome();
    test2.setTestCase(getTwoIntTest(-23423423, 234234234));
    TestChromosome test3 = new TestChromosome();
    test3.setTestCase(getTwoIntTest(0, 0));
    TestSuiteChromosome suite = new TestSuiteChromosome();
    BranchCoverageSuiteFitness fitness = new BranchCoverageSuiteFitness();
    assertEquals(6.0, fitness.getFitness(suite), 0.0F);
    suite.addTest(test1);
    assertEquals(2.0, fitness.getFitness(suite), 0.0F);
    suite.addTest(test2);
    // 0.99...
    assertEquals(1.99, fitness.getFitness(suite), 0.01F);
    suite.addTest(test3);
    // 0.99...
    assertEquals(0.99, fitness.getFitness(suite), 0.01F);
    Class<?> sut = TestGenerationContext.getInstance().getClassLoaderForSUT().loadClass(Properties.TARGET_CLASS);
    Method m = sut.getMethod("testMe", new Class<?>[] { int.class, int.class });
    GenericMethod method = new GenericMethod(m, sut);
    TestCluster.getInstance().addTestCall(method);
    Properties.P_TEST_CHANGE = 0.0;
    Properties.P_TEST_DELETE = 0.0;
    Properties.P_TEST_INSERT = 1.0;
    double oldFitness = suite.getFitness();
    int notChanged = 0;
    for (int i = 0; i < 10000; i++) {
        TestChromosome testNew = (TestChromosome) test1.clone();
        testNew.mutate();
        if (testNew.isChanged()) {
            suite.deleteTest(test1);
            suite.addTest(testNew);
            double newFitness = fitness.getFitness(suite);
            if (newFitness < oldFitness) {
                test1 = testNew;
                oldFitness = newFitness;
                if (newFitness == 0.0) {
                    System.out.println("Iterations: " + i);
                    System.out.println("Not changed: " + notChanged);
                    break;
                }
            } else {
                suite.deleteTest(testNew);
                suite.addTest(test1);
                fitness.getFitness(suite);
            }
        } else {
            notChanged++;
        }
    }
    System.out.println("Fitness: " + fitness.getFitness(suite));
    System.out.println("Test suite: " + suite);
    assertEquals(0.0, fitness.getFitness(suite), 0.1F);
}

Example 84 with TestSuiteChromosome

use of org.evosuite.testsuite.TestSuiteChromosome in project evosuite by EvoSuite.

the class NoClassInitSystemTest method test.

@Test
public void test() {
    EvoSuite evosuite = new EvoSuite();
    String targetClass = NoClassInit.class.getCanonicalName();
    Properties.TARGET_CLASS = targetClass;
    String[] command = new String[] { "-generateSuite", "-class", targetClass };
    Object result = evosuite.parseCommandLine(command);
    GeneticAlgorithm<?> ga = getGAFromResult(result);
    TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
    System.out.println("EvolvedTestSuite:\n" + best);
    double best_fitness = best.getFitness();
    Assert.assertTrue("Optimal coverage was not achieved ", best_fitness == 0.0);
}

Example 85 with TestSuiteChromosome

use of org.evosuite.testsuite.TestSuiteChromosome in project evosuite by EvoSuite.

the class PoolSystemTest method testPool.

@Test
public void testPool() throws IOException {
    File f = File.createTempFile("EvoSuiteTestPool", null, FileUtils.getTempDirectory());
    String filename = f.getAbsolutePath();
    f.delete();
    System.out.println(filename);
    EvoSuite evosuite = new EvoSuite();
    String targetClass = DependencyClass.class.getCanonicalName();
    Properties.TARGET_CLASS = targetClass;
    Properties.SEARCH_BUDGET = 100000;
    String[] command = new String[] { "-generateSuite", "-class", targetClass };
    Object result = evosuite.parseCommandLine(command);
    GeneticAlgorithm<?> ga = getGAFromResult(result);
    TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
    ObjectPool pool = ObjectPool.getPoolFromTestSuite(best);
    pool.writePool(filename);
    System.out.println("EvolvedTestSuite:\n" + best);
    resetStaticVariables();
    setDefaultPropertiesForTestCases();
    targetClass = OtherClass.class.getCanonicalName();
    Properties.TARGET_CLASS = targetClass;
    Properties.P_OBJECT_POOL = 1.0;
    Properties.OBJECT_POOLS = filename;
    Properties.SEARCH_BUDGET = 10000;
    ObjectPoolManager.getInstance().initialisePool();
    // Properties.SEARCH_BUDGET = 50000;
    command = new String[] { "-generateSuite", "-class", targetClass, "-Dobject_pools=" + filename };
    result = evosuite.parseCommandLine(command);
    ga = getGAFromResult(result);
    TestSuiteChromosome best2 = (TestSuiteChromosome) ga.getBestIndividual();
    System.out.println("EvolvedTestSuite:\n" + best2);
    Assert.assertEquals("Non-optimal coverage: ", 1d, best2.getCoverage(), 0.001);
    f = new File(filename);
    f.delete();
}