Examples with GenericMethod org.evosuite.utils.generic.GenericMethod used on opensource projects

Example 51 with GenericMethod

use of org.evosuite.utils.generic.GenericMethod in project evosuite by EvoSuite.

the class TestClusterGenerator method addDependencyClass.

private boolean addDependencyClass(GenericClass clazz, int recursionLevel) {
    if (recursionLevel > Properties.CLUSTER_RECURSION) {
        logger.debug("Maximum recursion level reached, not adding dependency {}", clazz.getClassName());
        return false;
    }
    clazz = clazz.getRawGenericClass();
    if (analyzedClasses.contains(clazz.getRawClass())) {
        return true;
    }
    analyzedClasses.add(clazz.getRawClass());
    // generic components during runtime
    if (clazz.isAssignableTo(Collection.class) || clazz.isAssignableTo(Map.class)) {
        if (clazz.getNumParameters() > 0) {
            containerClasses.add(clazz.getRawClass());
        }
    }
    if (clazz.isString()) {
        return false;
    }
    try {
        TestCluster cluster = TestCluster.getInstance();
        logger.debug("Adding dependency class " + clazz.getClassName());
        if (!TestUsageChecker.canUse(clazz.getRawClass())) {
            logger.info("*** Cannot use class: " + clazz.getClassName());
            return false;
        }
        // Add all constructors
        for (Constructor<?> constructor : TestClusterUtils.getConstructors(clazz.getRawClass())) {
            String name = "<init>" + org.objectweb.asm.Type.getConstructorDescriptor(constructor);
            if (Properties.TT) {
                String orig = name;
                name = BooleanTestabilityTransformation.getOriginalNameDesc(clazz.getClassName(), "<init>", org.objectweb.asm.Type.getConstructorDescriptor(constructor));
                if (!orig.equals(name))
                    logger.info("TT name: " + orig + " -> " + name);
            }
            if (TestUsageChecker.canUse(constructor)) {
                GenericConstructor genericConstructor = new GenericConstructor(constructor, clazz);
                try {
                    // .getWithWildcardTypes(),
                    cluster.addGenerator(// .getWithWildcardTypes(),
                    clazz, genericConstructor);
                    addDependencies(genericConstructor, recursionLevel + 1);
                    if (logger.isDebugEnabled()) {
                        logger.debug("Keeping track of " + constructor.getDeclaringClass().getName() + "." + constructor.getName() + org.objectweb.asm.Type.getConstructorDescriptor(constructor));
                    }
                } catch (Throwable t) {
                    logger.info("Error adding constructor {}: {}", constructor.getName(), t.getMessage());
                }
            } else {
                logger.debug("Constructor cannot be used: {}", constructor);
            }
        }
        // Add all methods
        for (Method method : TestClusterUtils.getMethods(clazz.getRawClass())) {
            String name = method.getName() + org.objectweb.asm.Type.getMethodDescriptor(method);
            if (Properties.TT) {
                String orig = name;
                name = BooleanTestabilityTransformation.getOriginalNameDesc(clazz.getClassName(), method.getName(), org.objectweb.asm.Type.getMethodDescriptor(method));
                if (!orig.equals(name))
                    logger.info("TT name: " + orig + " -> " + name);
            }
            if (TestUsageChecker.canUse(method, clazz.getRawClass()) && !method.getName().equals("hashCode")) {
                logger.debug("Adding method " + clazz.getClassName() + "." + method.getName() + org.objectweb.asm.Type.getMethodDescriptor(method));
                // TODO: Generic methods cause some troubles, but
                // if (method.getTypeParameters().length > 0) {
                // logger.info("Type parameters in methods are not handled yet, skipping " + method);
                // continue;
                // }
                GenericMethod genericMethod = new GenericMethod(method, clazz);
                try {
                    addDependencies(genericMethod, recursionLevel + 1);
                    if (!Properties.PURE_INSPECTORS) {
                        cluster.addModifier(new GenericClass(clazz), genericMethod);
                    } else {
                        if (!CheapPurityAnalyzer.getInstance().isPure(method)) {
                            cluster.addModifier(new GenericClass(clazz), genericMethod);
                        }
                    }
                    GenericClass retClass = new GenericClass(method.getReturnType());
                    // Only use as generator if its not any of the types with special treatment
                    if (!retClass.isPrimitive() && !retClass.isVoid() && !retClass.isObject() && !retClass.isString()) {
                        // .getWithWildcardTypes(),
                        cluster.addGenerator(// .getWithWildcardTypes(),
                        retClass, genericMethod);
                    }
                } catch (Throwable t) {
                    logger.info("Error adding method " + method.getName() + ": " + t.getMessage());
                }
            } else {
                logger.debug("Method cannot be used: " + method);
            }
        }
        // Add all fields
        for (Field field : TestClusterUtils.getFields(clazz.getRawClass())) {
            logger.debug("Checking field " + field);
            if (TestUsageChecker.canUse(field, clazz.getRawClass())) {
                logger.debug("Adding field " + field + " for class " + clazz);
                try {
                    GenericField genericField = new GenericField(field, clazz);
                    GenericClass retClass = new GenericClass(field.getType());
                    // Only use as generator if its not any of the types with special treatment
                    if (!retClass.isPrimitive() && !retClass.isObject() && !retClass.isString())
                        cluster.addGenerator(new GenericClass(field.getGenericType()), genericField);
                    final boolean isFinalField = isFinalField(field);
                    if (!isFinalField) {
                        // .getWithWildcardTypes(),
                        cluster.addModifier(// .getWithWildcardTypes(),
                        clazz, genericField);
                        addDependencies(genericField, recursionLevel + 1);
                    }
                } catch (Throwable t) {
                    logger.info("Error adding field " + field.getName() + ": " + t.getMessage());
                }
            } else {
                logger.debug("Field cannot be used: " + field);
            }
        }
        logger.info("Finished analyzing " + clazz.getTypeName() + " at recursion level " + recursionLevel);
        cluster.getAnalyzedClasses().add(clazz.getRawClass());
    } catch (Throwable t) {
        /*
			 * NOTE: this is a problem we know it can happen in some cases in
			 * SF110, but don't have a real solution now. As it is bound to
			 * happen, we try to minimize the logging (eg no stack trace),
			 * although we still need to log it
			 */
        logger.error("Problem for " + Properties.TARGET_CLASS + ". Failed to add dependencies for class " + clazz.getClassName() + ": " + t + "\n" + Arrays.asList(t.getStackTrace()));
        return false;
    }
    return true;
}

Example 52 with GenericMethod

use of org.evosuite.utils.generic.GenericMethod in project evosuite by EvoSuite.

the class TestClusterGenerator method initializeTargetMethods.

/**
 * All public methods defined directly in the SUT should be covered
 *
 * TODO: What if we use instrument_parent?
 */
@SuppressWarnings("unchecked")
private void initializeTargetMethods() throws RuntimeException, ClassNotFoundException {
    logger.info("Analyzing target class");
    Class<?> targetClass = Properties.getTargetClassAndDontInitialise();
    TestCluster cluster = TestCluster.getInstance();
    Set<Class<?>> targetClasses = new LinkedHashSet<Class<?>>();
    if (targetClass == null) {
        throw new RuntimeException("Failed to load " + Properties.TARGET_CLASS);
    }
    targetClasses.add(targetClass);
    addDeclaredClasses(targetClasses, targetClass);
    if (Modifier.isAbstract(targetClass.getModifiers())) {
        logger.info("SUT is an abstract class");
        Set<Class<?>> subclasses = ConcreteClassAnalyzer.getInstance().getConcreteClasses(targetClass, inheritanceTree);
        logger.info("Found " + subclasses.size() + " concrete subclasses");
        targetClasses.addAll(subclasses);
    }
    // load all the interesting classes from the callgraph,
    // need more testing, seems to slow down the search
    // if(Properties.INSTRUMENT_CONTEXT){
    // Set<String> toLoad;
    // if(Properties.INSTRUMENT_LIBRARIES){
    // toLoad = callGraph.getClassesUnderTest();
    // }else{
    // toLoad = new HashSet<>();
    // for (String className : callGraph.getClassesUnderTest()) {
    // if (!Properties.INSTRUMENT_LIBRARIES
    // && !DependencyAnalysis.isTargetProject(className))
    // continue;
    // toLoad.add(className);
    // }
    // 
    // }
    // targetClasses.addAll(loadClasses(toLoad));
    // 
    // }
    // To make sure we also have anonymous inner classes double check inner
    // classes using ASM
    // because the loop changes 'targetClasses' set we cannot iterate over
    // it, not even
    // using an iterator. a simple workaround is to create a temporary set
    // with the content
    // of 'targetClasses' and iterate that one
    Set<Class<?>> tmp_targetClasses = new LinkedHashSet<Class<?>>(targetClasses);
    for (Class<?> _targetClass : tmp_targetClasses) {
        ClassNode targetClassNode = DependencyAnalysis.getClassNode(_targetClass.getName());
        Queue<InnerClassNode> innerClasses = new LinkedList<InnerClassNode>();
        innerClasses.addAll(targetClassNode.innerClasses);
        while (!innerClasses.isEmpty()) {
            InnerClassNode icn = innerClasses.poll();
            try {
                logger.debug("Loading inner class: " + icn.innerName + ", " + icn.name + "," + icn.outerName);
                String innerClassName = ResourceList.getClassNameFromResourcePath(icn.name);
                if (!innerClassName.startsWith(Properties.TARGET_CLASS)) {
                    // TODO: Why does ASM report inner classes that are not actually inner classes?
                    // Let's ignore classes that don't start with the SUT name for now.
                    logger.debug("Ignoring inner class that is outside SUT {}", innerClassName);
                    continue;
                }
                Class<?> innerClass = TestGenerationContext.getInstance().getClassLoaderForSUT().loadClass(innerClassName);
                // Sometimes strange things appear such as Map$Entry
                if (!targetClasses.contains(innerClass) && /*
							 * FIXME: why all the checks were removed? without
							 * the following, for example
							 * com.google.javascript.jscomp.IdMappingUtil in
							 * 124_closure-compiler is not testable
							 */
                !innerClassName.contains("Map$Entry")) {
                    // && !innerClassName.matches(".*\\$\\d+(\\$.*)?$")) {
                    logger.info("Adding inner class {}", innerClassName);
                    targetClasses.add(innerClass);
                    ClassNode innerClassNode = DependencyAnalysis.getClassNode(innerClassName);
                    innerClasses.addAll(innerClassNode.innerClasses);
                }
            } catch (Throwable t) {
                logger.error("Problem for " + Properties.TARGET_CLASS + ". Error loading inner class: " + icn.innerName + ", " + icn.name + "," + icn.outerName + ": " + t);
            }
        }
    }
    for (Class<?> clazz : targetClasses) {
        logger.info("Current SUT class: " + clazz);
        if (!TestUsageChecker.canUse(clazz)) {
            logger.info("Cannot access SUT class: " + clazz);
            continue;
        }
        // Add all constructors
        for (Constructor<?> constructor : TestClusterUtils.getConstructors(clazz)) {
            logger.info("Checking target constructor " + constructor);
            String name = "<init>" + org.objectweb.asm.Type.getConstructorDescriptor(constructor);
            if (Properties.TT) {
                String orig = name;
                name = BooleanTestabilityTransformation.getOriginalNameDesc(clazz.getName(), "<init>", org.objectweb.asm.Type.getConstructorDescriptor(constructor));
                if (!orig.equals(name))
                    logger.info("TT name: " + orig + " -> " + name);
            }
            if (TestUsageChecker.canUse(constructor)) {
                GenericConstructor genericConstructor = new GenericConstructor(constructor, clazz);
                if (constructor.getDeclaringClass().equals(clazz))
                    cluster.addTestCall(genericConstructor);
                // TODO: Add types!
                // .getWithWildcardTypes(),
                cluster.addGenerator(// .getWithWildcardTypes(),
                new GenericClass(clazz), genericConstructor);
                addDependencies(genericConstructor, 1);
                logger.debug("Keeping track of " + constructor.getDeclaringClass().getName() + "." + constructor.getName() + org.objectweb.asm.Type.getConstructorDescriptor(constructor));
            } else {
                logger.debug("Constructor cannot be used: " + constructor);
            }
        }
        // Add all methods
        for (Method method : TestClusterUtils.getMethods(clazz)) {
            logger.info("Checking target method " + method);
            String name = method.getName() + org.objectweb.asm.Type.getMethodDescriptor(method);
            if (Properties.TT) {
                String orig = name;
                name = BooleanTestabilityTransformation.getOriginalNameDesc(clazz.getName(), method.getName(), org.objectweb.asm.Type.getMethodDescriptor(method));
                if (!orig.equals(name))
                    logger.info("TT name: " + orig + " -> " + name);
            }
            if (TestUsageChecker.canUse(method, clazz)) {
                logger.debug("Adding method " + clazz.getName() + "." + method.getName() + org.objectweb.asm.Type.getMethodDescriptor(method));
                GenericMethod genericMethod = new GenericMethod(method, clazz);
                if (method.getDeclaringClass().equals(clazz))
                    cluster.addTestCall(genericMethod);
                // removed?
                if (!CheapPurityAnalyzer.getInstance().isPure(method)) {
                    cluster.addModifier(new GenericClass(clazz), genericMethod);
                }
                addDependencies(genericMethod, 1);
                GenericClass retClass = new GenericClass(method.getReturnType());
                // if (!retClass.isPrimitive() && !retClass.isVoid() && !retClass.isObject())
                if (!retClass.isVoid())
                    // .getWithWildcardTypes(),
                    cluster.addGenerator(// .getWithWildcardTypes(),
                    retClass, genericMethod);
            } else {
                logger.debug("Method cannot be used: " + method);
                // If we do reflection on private methods, we still need to consider dependencies
                if (Properties.P_REFLECTION_ON_PRIVATE > 0 && method.getDeclaringClass().equals(clazz)) {
                    GenericMethod genericMethod = new GenericMethod(method, clazz);
                    addDependencies(genericMethod, 1);
                }
            }
        }
        for (Field field : TestClusterUtils.getFields(clazz)) {
            logger.info("Checking target field " + field);
            if (TestUsageChecker.canUse(field, clazz)) {
                GenericField genericField = new GenericField(field, clazz);
                addDependencies(genericField, 1);
                // .getWithWildcardTypes(),
                cluster.addGenerator(// .getWithWildcardTypes(),
                new GenericClass(field.getGenericType()), genericField);
                logger.debug("Adding field " + field);
                final boolean isFinalField = isFinalField(field);
                if (!isFinalField) {
                    logger.debug("Is not final");
                    // Setting fields does not contribute to coverage, so we will only count it as a modifier
                    // if (field.getDeclaringClass().equals(clazz))
                    // cluster.addTestCall(new GenericField(field, clazz));
                    cluster.addModifier(new GenericClass(clazz), genericField);
                } else {
                    logger.debug("Is final");
                    if (Modifier.isStatic(field.getModifiers()) && !field.getType().isPrimitive()) {
                        logger.debug("Is static non-primitive");
                        /*
							 * With this we are trying to cover such cases:
							 *
							 * public static final DurationField INSTANCE = new
							 * MillisDurationField();
							 * 
							 * private MillisDurationField() { super(); }
							 */
                        try {
                            Object o = field.get(null);
                            if (o == null) {
                                logger.info("Field is not yet initialized: " + field);
                            } else {
                                Class<?> actualClass = o.getClass();
                                logger.debug("Actual class is " + actualClass);
                                if (!actualClass.isAssignableFrom(genericField.getRawGeneratedType()) && genericField.getRawGeneratedType().isAssignableFrom(actualClass)) {
                                    GenericField superClassField = new GenericField(field, clazz);
                                    cluster.addGenerator(new GenericClass(actualClass), superClassField);
                                }
                            }
                        } catch (IllegalAccessException e) {
                            logger.error(e.getMessage());
                        }
                    }
                }
            } else {
                logger.debug("Can't use field " + field);
                // TODO: Duplicate code here
                if (Properties.P_REFLECTION_ON_PRIVATE > 0) {
                    if (Modifier.isPrivate(field.getModifiers()) && !field.isSynthetic() && !field.getName().equals("serialVersionUID") && // primitives cannot be changed
                    !(field.getType().isPrimitive()) && // changing final strings also doesn't make much sense
                    !(Modifier.isFinal(field.getModifiers()) && field.getType().equals(String.class)) && // static fields lead to just too many problems... although this could be set as a parameter
                    !Modifier.isStatic(field.getModifiers())) {
                        GenericField genericField = new GenericField(field, clazz);
                        addDependencies(genericField, 1);
                    }
                }
            }
        }
        analyzedClasses.add(clazz);
        // TODO: Set to generic type rather than class?
        cluster.getAnalyzedClasses().add(clazz);
    }
    if (Properties.INSTRUMENT_PARENT) {
        for (String superClass : inheritanceTree.getSuperclasses(Properties.TARGET_CLASS)) {
            try {
                Class<?> superClazz = TestGenerationContext.getInstance().getClassLoaderForSUT().loadClass(superClass);
                dependencies.add(new DependencyPair(0, superClazz));
            } catch (ClassNotFoundException e) {
                logger.error("Problem for " + Properties.TARGET_CLASS + ". Class not found: " + superClass, e);
            }
        }
    }
    if (Properties.HANDLE_STATIC_FIELDS) {
        GetStaticGraph getStaticGraph = GetStaticGraphGenerator.generate(Properties.TARGET_CLASS);
        Map<String, Set<String>> staticFields = getStaticGraph.getStaticFields();
        for (String className : staticFields.keySet()) {
            logger.info("Adding static fields to cluster for class " + className);
            Class<?> clazz;
            try {
                Sandbox.goingToExecuteUnsafeCodeOnSameThread();
                clazz = TestClusterUtils.getClass(className);
            } catch (ExceptionInInitializerError ex) {
                logger.debug("Class class init caused exception " + className);
                continue;
            } finally {
                Sandbox.doneWithExecutingUnsafeCodeOnSameThread();
            }
            if (clazz == null) {
                logger.debug("Class not found " + className);
                continue;
            }
            if (!TestUsageChecker.canUse(clazz))
                continue;
            Set<String> fields = staticFields.get(className);
            for (Field field : TestClusterUtils.getFields(clazz)) {
                if (!TestUsageChecker.canUse(field, clazz))
                    continue;
                if (fields.contains(field.getName())) {
                    if (!isFinalField(field)) {
                        logger.debug("Is not final");
                        // cluster.addTestCall(new GenericField(field, clazz));
                        // Count static field as modifier of SUT, not as test call:
                        GenericField genericField = new GenericField(field, clazz);
                        cluster.addModifier(new GenericClass(Properties.getTargetClassAndDontInitialise()), genericField);
                    }
                }
            }
        }
        PutStaticMethodCollector collector = new PutStaticMethodCollector(Properties.TARGET_CLASS, staticFields);
        Set<MethodIdentifier> methodIdentifiers = collector.collectMethods();
        for (MethodIdentifier methodId : methodIdentifiers) {
            Class<?> clazz = TestClusterUtils.getClass(methodId.getClassName());
            if (clazz == null)
                continue;
            if (!TestUsageChecker.canUse(clazz))
                continue;
            Method method = TestClusterUtils.getMethod(clazz, methodId.getMethodName(), methodId.getDesc());
            if (method == null)
                continue;
            GenericMethod genericMethod = new GenericMethod(method, clazz);
            // Setting static fields is a modifier of a SUT
            // cluster.addTestCall(genericMethod);
            cluster.addModifier(new GenericClass(Properties.getTargetClassAndDontInitialise()), genericMethod);
        }
    }
    logger.info("Finished analyzing target class");
}

Example 53 with GenericMethod

use of org.evosuite.utils.generic.GenericMethod in project evosuite by EvoSuite.

the class EnvironmentTestClusterAugmenter method addEnvironmentDependency.

private void addEnvironmentDependency(Class<?> klass) {
    if (handledClasses.contains(klass.getCanonicalName()) || !TestClusterUtils.isEvoSuiteClass(klass)) {
        // already handled, or not valid
        return;
    }
    handledClasses.add(klass.getCanonicalName());
    boolean excludeClass = klass.getAnnotation(EvoSuiteClassExclude.class) != null;
    for (Method m : klass.getMethods()) {
        if (shouldSkip(excludeClass, m)) {
            continue;
        }
        GenericAccessibleObject gm = new GenericMethod(m, klass);
        GenericClass gc = new GenericClass(klass);
        TestCluster.getInstance().addModifier(gc, gm);
        testClusterGenerator.addNewDependencies(Arrays.asList(m.getParameterTypes()));
        Class<?> returnType = m.getReturnType();
        if (!returnType.equals(Void.TYPE)) {
            GenericClass genclass = new GenericClass(returnType);
            TestCluster.getInstance().invalidateGeneratorCache(genclass);
            TestCluster.getInstance().addGenerator(genclass, gm);
            addEnvironmentDependency(returnType);
        }
    }
}

Example 54 with GenericMethod

use of org.evosuite.utils.generic.GenericMethod in project evosuite by EvoSuite.

the class LocalSearchArraySystemTest method getArrayTest.

private TestCase getArrayTest(int length) throws NoSuchMethodException, SecurityException, ConstructionFailedException, ClassNotFoundException {
    Class<?> sut = TestGenerationContext.getInstance().getClassLoaderForSUT().loadClass(Properties.TARGET_CLASS);
    GenericClass clazz = new GenericClass(sut);
    DefaultTestCase test = new DefaultTestCase();
    GenericConstructor gc = new GenericConstructor(clazz.getRawClass().getConstructors()[0], clazz);
    TestFactory testFactory = TestFactory.getInstance();
    VariableReference callee = testFactory.addConstructor(test, gc, 0, 0);
    VariableReference arrayVar = test.addStatement(new ArrayStatement(test, int[].class, length));
    for (int i = 0; i < length; i++) {
        // Add value
        VariableReference intVar = test.addStatement(new IntPrimitiveStatement(test, 0));
        test.addStatement(new AssignmentStatement(test, new ArrayIndex(test, (ArrayReference) arrayVar, i), intVar));
    }
    Method m = clazz.getRawClass().getMethod("testMe", new Class<?>[] { int[].class });
    GenericMethod method = new GenericMethod(m, sut);
    MethodStatement ms = new MethodStatement(test, method, callee, Arrays.asList(new VariableReference[] { arrayVar }));
    test.addStatement(ms);
    return test;
}

Example 55 with GenericMethod

use of org.evosuite.utils.generic.GenericMethod in project evosuite by EvoSuite.

the class DeleteMutationSystemTest method getIntTest.

private TestCase getIntTest(int x, int y) throws NoSuchMethodException, SecurityException, ConstructionFailedException, ClassNotFoundException {
    Class<?> sut = TestGenerationContext.getInstance().getClassLoaderForSUT().loadClass(Properties.TARGET_CLASS);
    GenericClass clazz = new GenericClass(sut);
    DefaultTestCase test = new DefaultTestCase();
    GenericConstructor gc = new GenericConstructor(clazz.getRawClass().getConstructors()[0], clazz);
    TestFactory testFactory = TestFactory.getInstance();
    VariableReference callee = testFactory.addConstructor(test, gc, 0, 0);
    test.addStatement(new IntPrimitiveStatement(test, x));
    VariableReference wrongIntVar = test.addStatement(new IntPrimitiveStatement(test, y));
    Method m = clazz.getRawClass().getMethod("testMe", new Class<?>[] { int.class });
    GenericMethod method = new GenericMethod(m, sut);
    MethodStatement ms = new MethodStatement(test, method, callee, Arrays.asList(new VariableReference[] { wrongIntVar }));
    test.addStatement(ms);
    return test;
}