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How to use constructor method of org.powermock.core.transformers.TestClassTransformer class

Best Powermock code snippet using org.powermock.core.transformers.TestClassTransformer.constructor

Source:TestClassTransformer.java

...33import java.util.HashSet;34/**35 * MockTransformer implementation that will make PowerMock test-class36 * enhancements for four purposes...37 * 1) Make test-class static initializer and constructor send crucial details38 * (for PowerMockTestListener events) to GlobalNotificationBuildSupport so that39 * this information can be forwarded to whichever40 * facility is used for composing the PowerMockTestListener events.41 * 2) Removal of test-method annotations as a mean to achieve test-suite42 * chunking!43 * 3) Restore original test-class constructors` accesses44 * (in case they have all been made public by {@link45 * ClassMockTransformer#setAllConstructorsToPublic(javassist.CtClass)})46 * - to avoid that multiple <i>public</i> test-class constructors cause47 * a delegate runner from JUnit (or 3rd party) to bail out with an48 * error message such as "Test class can only have one constructor".49 * 4) Set test-class defer constructor (if exist) as protected instead of public.50 * Otherwise a delegate runner from JUnit (or 3rd party) might get confused by51 * the presence of more than one test-class constructor and bail out with an52 * error message such as "Test class can only have one constructor".53 *54 * The #3 and #4 enhancements will also be enforced on the constructors55 * of classes that are nested within the test-class.56 */57public abstract class TestClassTransformer implements MockTransformer {58    private final Class<?> testClass;59    private final Class<? extends Annotation> testMethodAnnotationType;60    public interface ForTestClass {61        RemovesTestMethodAnnotation removesTestMethodAnnotation(Class<? extends Annotation> testMethodAnnotation);62        interface RemovesTestMethodAnnotation {63            TestClassTransformer fromMethods(Collection<Method> testMethodsThatRunOnOtherClassLoaders);64            TestClassTransformer fromAllMethodsExcept(Method singleMethodToRunOnThisClassLoader);65        }66    }67    public static ForTestClass forTestClass(final Class<?> testClass) {68        return new ForTestClass() {69            @Override70            public RemovesTestMethodAnnotation removesTestMethodAnnotation(71                    final Class<? extends Annotation> testMethodAnnotation) {72                return new RemovesTestMethodAnnotation() {73                    @Override74                    public TestClassTransformer fromMethods(75                            final Collection<Method> testMethodsThatRunOnOtherClassLoaders) {76                        return new TestClassTransformer(testClass, testMethodAnnotation) {77                            /**78                             * Is lazily initilized because of79                             * AbstractTestSuiteChunkerImpl#chunkClass(Class)80                             */81                            Collection<String> methodsThatRunOnOtherClassLoaders;82                            @Override83                            boolean mustHaveTestAnnotationRemoved(CtMethod method)84                            throws NotFoundException {85                                if (null == methodsThatRunOnOtherClassLoaders) {86                                    /* This lazy initialization is necessary - see above */87                                    methodsThatRunOnOtherClassLoaders = new HashSet<String>();88                                    for (Method m : testMethodsThatRunOnOtherClassLoaders) {89                                        methodsThatRunOnOtherClassLoaders.add(90                                                signatureOf(m));91                                    }92                                    testMethodsThatRunOnOtherClassLoaders.clear();93                                }94                                return methodsThatRunOnOtherClassLoaders95                                        .contains(signatureOf(method));96                            }                            97                        };98                    }99                    @Override100                    public TestClassTransformer fromAllMethodsExcept(101                            Method singleMethodToRunOnTargetClassLoader) {102                        final String targetMethodSignature =103                                signatureOf(singleMethodToRunOnTargetClassLoader);104                        return new TestClassTransformer(testClass, testMethodAnnotation) {105                            @Override106                            boolean mustHaveTestAnnotationRemoved(CtMethod method)107                            throws Exception {108                                return !signatureOf(method).equals(targetMethodSignature);109                            }110                        };111                    }112                };113            }114        };115    }116    private TestClassTransformer(117            Class<?> testClass, Class<? extends Annotation> testMethodAnnotationType) {118        this.testClass = testClass;119        this.testMethodAnnotationType = testMethodAnnotationType;120    }121    private boolean isTestClass(CtClass clazz) {122        try {123            return Class.forName(clazz.getName(), false, testClass.getClassLoader())124                    .isAssignableFrom(testClass);125        } catch (ClassNotFoundException ex) {126            return false;127        }128    }129    private boolean isNestedWithinTestClass(CtClass clazz) {130        String clazzName = clazz.getName();131        return clazzName.startsWith(testClass.getName())132                && '$' == clazzName.charAt(testClass.getName().length());133    }134    private Class<?> asOriginalClass(CtClass type) throws Exception {135        try {136            return type.isArray()137                    ? Array.newInstance(asOriginalClass(type.getComponentType()), 0).getClass()138                    : type.isPrimitive()139                    ? Primitives.getClassFor((CtPrimitiveType) type)140                    : Class.forName(type.getName(), true, testClass.getClassLoader());141        } catch (Exception ex) {142            throw new RuntimeException("Cannot resolve type: " + type, ex);143        }144    }145    private Class<?>[] asOriginalClassParams(CtClass[] parameterTypes)146    throws Exception {147        final Class<?>[] classParams = new Class[parameterTypes.length];148        for (int i = 0; i < classParams.length; ++i) {149            classParams[i] = asOriginalClass(parameterTypes[i]);150        }151        return classParams;152    }153    abstract boolean mustHaveTestAnnotationRemoved(CtMethod method) throws Exception;154    private void removeTestMethodAnnotationFrom(CtMethod m)155    throws ClassNotFoundException {156        final AnnotationsAttribute attr = (AnnotationsAttribute)157                m.getMethodInfo().getAttribute(AnnotationsAttribute.visibleTag);158        javassist.bytecode.annotation.Annotation[] newAnnotations =159                new javassist.bytecode.annotation.Annotation[attr.numAnnotations() - 1];160        int i = -1;161        for (javassist.bytecode.annotation.Annotation a : attr.getAnnotations()) {162            if (a.getTypeName().equals(testMethodAnnotationType.getName())) {163                continue;164            }165            newAnnotations[++i] = a;166        }167        attr.setAnnotations(newAnnotations);168    }169    private void removeTestAnnotationsForTestMethodsThatRunOnOtherClassLoader(CtClass clazz)170    throws Exception {171        for (CtMethod m : clazz.getDeclaredMethods()) {172            if (m.hasAnnotation(testMethodAnnotationType)173                    && mustHaveTestAnnotationRemoved(m)) {174                removeTestMethodAnnotationFrom(m);175            }176        }177    }178    @Override179    public CtClass transform(final CtClass clazz) throws Exception {180        if (clazz.isFrozen()) {181            clazz.defrost();182        }183        if (isTestClass(clazz)) {184            removeTestAnnotationsForTestMethodsThatRunOnOtherClassLoader(clazz);185            addLifeCycleNotifications(clazz);186            makeDeferConstructorNonPublic(clazz);187            restoreOriginalConstructorsAccesses(clazz);188        } else if (isNestedWithinTestClass(clazz)) {189            makeDeferConstructorNonPublic(clazz);190            restoreOriginalConstructorsAccesses(clazz);191        }192        return clazz;193    }194    private void addLifeCycleNotifications(CtClass clazz) {195        try {196            addClassInitializerNotification(clazz);197            addConstructorNotification(clazz);198        } catch (CannotCompileException ex) {199            throw new Error("Powermock error: " + ex.getMessage(), ex);200        }201    }202    private void addClassInitializerNotification(CtClass clazz)203    throws CannotCompileException {204        if (null == clazz.getClassInitializer()) {205            clazz.makeClassInitializer();206        }207        clazz.getClassInitializer().insertBefore(208                    GlobalNotificationBuildSupport.class.getName()209                    + ".testClassInitiated(" + clazz.getName() + ".class);");210    }211    private static boolean hasSuperClass(CtClass clazz) {212        try {213            CtClass superClazz = clazz.getSuperclass();214            /*215             * Being extra careful here - and backup in case the216             * work-in-progress clazz doesn't cause NotFoundException ...217             */218            return null != superClazz219                    && !"java.lang.Object".equals(superClazz.getName());220        } catch (NotFoundException noWasSuperClassFound) {221            return false;222        }223    }224    private void addConstructorNotification(final CtClass clazz)225    throws CannotCompileException {226        final String notificationCode =227                GlobalNotificationBuildSupport.class.getName()228                + ".testInstanceCreated(this);";229        final boolean asFinally = !hasSuperClass(clazz);230        for (final CtConstructor constr : clazz.getDeclaredConstructors()) {231            constr.insertAfter(232                    notificationCode,233                    asFinally/* unless there is a super-class, because of this234                              * problem: https://community.jboss.org/thread/94194*/);235        }236    }237    private void restoreOriginalConstructorsAccesses(CtClass clazz) throws Exception {238        Class<?> originalClass = testClass.getName().equals(clazz.getName())239                ? testClass240                : Class.forName(clazz.getName(), true, testClass.getClassLoader());241        for (final CtConstructor ctConstr : clazz.getConstructors()) {242            int ctModifiers = ctConstr.getModifiers();243            if (!Modifier.isPublic(ctModifiers)) {244                /* Probably a defer-constructor */245                continue;246            }247            int desiredAccessModifiers = originalClass.getDeclaredConstructor(248                    asOriginalClassParams(ctConstr.getParameterTypes())).getModifiers();249            if (Modifier.isPrivate(desiredAccessModifiers)) {250                ctConstr.setModifiers(Modifier.setPrivate(ctModifiers));251            } else if (Modifier.isProtected(desiredAccessModifiers)) {252                ctConstr.setModifiers(Modifier.setProtected(ctModifiers));253            } else if (!Modifier.isPublic(desiredAccessModifiers)) {254                ctConstr.setModifiers(Modifier.setPackage(ctModifiers));255            } else {256                /* ctConstr remains public */257            }258        }259    }260    private void makeDeferConstructorNonPublic(final CtClass clazz) {261        for (final CtConstructor constr : clazz.getConstructors()) {262            try {263                for (CtClass paramType : constr.getParameterTypes()) {264                    if (IndicateReloadClass.class.getName()265                            .equals(paramType.getName())) {266                        /* Found defer constructor ... */267                        final int modifiers = constr.getModifiers();268                        if (Modifier.isPublic(modifiers)) {269                            constr.setModifiers(Modifier.setProtected(modifiers));270                        }271                        break;272                    }273                }274            } catch (NotFoundException thereAreNoParameters) {275                /* ... but to get an exception here seems odd. */276            }277        }278    }279    private static String signatureOf(Method m) {280        Class<?>[] paramTypes = m.getParameterTypes();...

Source:AbstractCommonTestSuiteChunkerImpl.java

1package org.powermock.tests.utils.impl;2import org.powermock.core.classloader.MockClassLoader;3import org.powermock.core.classloader.annotations.PrepareEverythingForTest;4import org.powermock.core.classloader.annotations.PrepareForTest;5import org.powermock.core.classloader.annotations.PrepareOnlyThisForTest;6import org.powermock.core.classloader.annotations.SuppressStaticInitializationFor;7import org.powermock.core.transformers.MockTransformer;8import org.powermock.core.transformers.impl.TestClassTransformer;9import org.powermock.tests.utils.ArrayMerger;10import org.powermock.tests.utils.IgnorePackagesExtractor;11import org.powermock.tests.utils.TestChunk;12import org.powermock.tests.utils.TestClassesExtractor;13import org.powermock.tests.utils.TestSuiteChunker;14import java.lang.annotation.Annotation;15import java.lang.reflect.Method;16import java.util.ArrayList;17import java.util.LinkedHashMap;18import java.util.LinkedList;19import java.util.List;20/**21 *22 */23public abstract class AbstractCommonTestSuiteChunkerImpl implements TestSuiteChunker {24    protected static final int DEFAULT_TEST_LISTENERS_SIZE = 1;25    protected static final int NOT_INITIALIZED = -1;26    protected static final int INTERNAL_INDEX_NOT_FOUND = NOT_INITIALIZED;27    /*28    * Maps between a specific class and a map of test methods loaded by a29    * specific mock class loader.30    */31    private final List<TestCaseEntry> internalSuites = new LinkedList<TestCaseEntry>();32    private final TestClassesExtractor prepareForTestExtractor = new PrepareForTestExtractorImpl();33    private final TestClassesExtractor suppressionExtractor = new StaticConstructorSuppressExtractorImpl();34    /*35     * Maps the list of test indexes that is assigned to a specific test suite36     * index.37     */38    protected final LinkedHashMap<Integer, List<Integer>> testAtDelegateMapper = new LinkedHashMap<Integer, List<Integer>>();39    protected final Class<?>[] testClasses;40    private final IgnorePackagesExtractor ignorePackagesExtractor = new PowerMockIgnorePackagesExtractorImpl();41    private final ArrayMerger arrayMerger = new ArrayMergerImpl();42    private int currentTestIndex = NOT_INITIALIZED;43    protected AbstractCommonTestSuiteChunkerImpl(Class<?> testClass) throws Exception {44        this(new Class[]{testClass});45    }46    protected AbstractCommonTestSuiteChunkerImpl(Class<?>... testClasses) throws Exception {47        this.testClasses = testClasses;48        for (Class<?> clazz : testClasses) {49            chunkClass(clazz);50        }51    }52    @Override53    public int getChunkSize() {54        return getTestChunks().size();55    }56    public List<TestChunk> getTestChunks() {57        List<TestChunk> allChunks = new LinkedList<TestChunk>();58        for (TestCaseEntry entry : internalSuites) {59            for (TestChunk chunk : entry.getTestChunks()) {60                allChunks.add(chunk);61            }62        }63        return allChunks;64    }65    public List<TestChunk> getTestChunksEntries(Class<?> testClass) {66        for (TestCaseEntry entry : internalSuites) {67            if (entry.getTestClass().equals(testClass)) {68                return entry.getTestChunks();69            }70        }71        return null;72    }73    public TestChunk getTestChunk(Method method) {74        for (TestChunk testChunk : getTestChunks()) {75            if (testChunk.isMethodToBeExecutedByThisClassloader(method)) {76                return testChunk;77            }78        }79        return null;80    }81    protected void chunkClass(final Class<?> testClass) throws Exception {82        List<Method> testMethodsForOtherClassLoaders = new ArrayList<Method>();83        MockTransformer[] extraMockTransformers = createDefaultExtraMockTransformers(testClass, testMethodsForOtherClassLoaders);84        final String[] ignorePackages = ignorePackagesExtractor.getPackagesToIgnore(testClass);85        final ClassLoader defaultMockLoader = createDefaultMockLoader(testClass, extraMockTransformers, ignorePackages);86        List<Method> currentClassloaderMethods = new LinkedList<Method>();87        // Put the first suite in the map of internal suites.88        TestChunk defaultTestChunk = new TestChunkImpl(defaultMockLoader, currentClassloaderMethods);89        List<TestChunk> testChunks = new LinkedList<TestChunk>();90        testChunks.add(defaultTestChunk);91        internalSuites.add(new TestCaseEntry(testClass, testChunks));92        initEntries(internalSuites);93        if (!currentClassloaderMethods.isEmpty()) {94            List<TestChunk> allTestChunks = internalSuites.get(0).getTestChunks();95            for (TestChunk chunk : allTestChunks.subList(1, allTestChunks.size())) {96                for (Method m : chunk.getTestMethodsToBeExecutedByThisClassloader()) {97                    testMethodsForOtherClassLoaders.add(m);98                }99            }100        } else if (2 <= internalSuites.size()101                           || 1 == internalSuites.size()102                                      && 2 <= internalSuites.get(0).getTestChunks().size()) {103            /*104             * If we don't have any test that should be executed by the default105             * class loader remove it to avoid duplicate test print outs.106             */107            internalSuites.get(0).getTestChunks().remove(0);108        }109        //else{ /*Delegation-runner maybe doesn't use test-method annotations!*/ }110    }111    private ClassLoader createDefaultMockLoader(Class<?> testClass, MockTransformer[] extraMockTransformers, String[] ignorePackages) {112        final ClassLoader defaultMockLoader;113        if (testClass.isAnnotationPresent(PrepareEverythingForTest.class)) {114            defaultMockLoader = createNewClassloader(testClass, new String[]{MockClassLoader.MODIFY_ALL_CLASSES},115                    ignorePackages, extraMockTransformers);116        } else {117            final String[] prepareForTestClasses = prepareForTestExtractor.getTestClasses(testClass);118            final String[] suppressStaticClasses = suppressionExtractor.getTestClasses(testClass);119            defaultMockLoader = createNewClassloader(testClass, arrayMerger.mergeArrays(String.class, prepareForTestClasses, suppressStaticClasses),120                    ignorePackages, extraMockTransformers);121        }122        return defaultMockLoader;123    }124    private ClassLoader createNewClassloader(Class<?> testClass, String[] classesToLoadByMockClassloader,125                                             final String[] packagesToIgnore, MockTransformer... extraMockTransformers) {126        final MockClassLoaderFactory classLoaderFactory = getMockClassLoaderFactory(testClass, classesToLoadByMockClassloader, packagesToIgnore, extraMockTransformers);127        return classLoaderFactory.create();128    }129    protected MockClassLoaderFactory getMockClassLoaderFactory(Class<?> testClass, String[] preliminaryClassesToLoadByMockClassloader, String[] packagesToIgnore, MockTransformer[] extraMockTransformers) {130        return new MockClassLoaderFactory(testClass, preliminaryClassesToLoadByMockClassloader, packagesToIgnore, extraMockTransformers);131    }132    private MockTransformer[] createDefaultExtraMockTransformers(Class<?> testClass, List<Method> testMethodsThatRunOnOtherClassLoaders) {133        if (null == testMethodAnnotation()) {134            return new MockTransformer[0];135        } else {136            return new MockTransformer[]{137                    TestClassTransformer138                            .forTestClass(testClass)139                            .removesTestMethodAnnotation(testMethodAnnotation())140                            .fromMethods(testMethodsThatRunOnOtherClassLoaders)141            };142        }143    }144    protected Class<? extends Annotation> testMethodAnnotation() {145        return null;146    }147    private void initEntries(List<TestCaseEntry> entries) {148        for (TestCaseEntry testCaseEntry : entries) {149            final Class<?> testClass = testCaseEntry.getTestClass();150            findMethods(testCaseEntry, testClass);151        }152    }153    private void findMethods(TestCaseEntry testCaseEntry, Class<?> testClass) {154        Method[] allMethods = testClass.getMethods();155        for (Method method : allMethods) {156            putMethodToChunk(testCaseEntry, testClass, method);157        }158        testClass = testClass.getSuperclass();159        if (!Object.class.equals(testClass)) {160            findMethods(testCaseEntry, testClass);161        }162    }163    private void putMethodToChunk(TestCaseEntry testCaseEntry, Class<?> testClass, Method method) {164        if (shouldExecuteTestForMethod(testClass, method)) {165            currentTestIndex++;166            if (hasChunkAnnotation(method)) {167                LinkedList<Method> methodsInThisChunk = new LinkedList<Method>();168                methodsInThisChunk.add(method);169                final String[] staticSuppressionClasses = getStaticSuppressionClasses(testClass, method);170                TestClassTransformer[] extraTransformers = null == testMethodAnnotation()171                                                                   ? new TestClassTransformer[0]172                                                                   : new TestClassTransformer[]{173                        TestClassTransformer.forTestClass(testClass)174                                            .removesTestMethodAnnotation(testMethodAnnotation())175                                .fromAllMethodsExcept(method)176                };177                final ClassLoader mockClassloader;178                if (method.isAnnotationPresent(PrepareEverythingForTest.class)) {179                    mockClassloader = createNewClassloader(testClass, new String[]{MockClassLoader.MODIFY_ALL_CLASSES},180                            ignorePackagesExtractor.getPackagesToIgnore(testClass), extraTransformers);181                } else {182                    mockClassloader = createNewClassloader(testClass, arrayMerger.mergeArrays(String.class, prepareForTestExtractor.getTestClasses(method),183                            staticSuppressionClasses), ignorePackagesExtractor.getPackagesToIgnore(testClass), extraTransformers);184                }185                TestChunkImpl chunk = new TestChunkImpl(mockClassloader, methodsInThisChunk);186                testCaseEntry.getTestChunks().add(chunk);187                updatedIndexes();188            } else {189                testCaseEntry.getTestChunks().get(0).getTestMethodsToBeExecutedByThisClassloader().add(method);190                // currentClassloaderMethods.add(method);191                final int currentDelegateIndex = internalSuites.size() - 1;192                /*193                 * Add this test index to the main junit runner194                 * delegator.195                 */196                List<Integer> testList = testAtDelegateMapper.get(currentDelegateIndex);197                if (testList == null) {198                    testList = new LinkedList<Integer>();199                    testAtDelegateMapper.put(currentDelegateIndex, testList);200                }201                testList.add(currentTestIndex);202            }203        }204    }205    private boolean hasChunkAnnotation(Method method) {206        return method.isAnnotationPresent(PrepareForTest.class) || method.isAnnotationPresent(SuppressStaticInitializationFor.class)207                       || method.isAnnotationPresent(PrepareOnlyThisForTest.class) || method.isAnnotationPresent(PrepareEverythingForTest.class);208    }209    private String[] getStaticSuppressionClasses(Class<?> testClass, Method method) {210        final String[] testClasses;211        if (method.isAnnotationPresent(SuppressStaticInitializationFor.class)) {212            testClasses = suppressionExtractor.getTestClasses(method);213        } else {214            testClasses = suppressionExtractor.getTestClasses(testClass);215        }216        return testClasses;217    }218    private void updatedIndexes() {219        final List<Integer> testIndexesForThisClassloader = new LinkedList<Integer>();220        testIndexesForThisClassloader.add(currentTestIndex);221        testAtDelegateMapper.put(internalSuites.size(), testIndexesForThisClassloader);222    }223}...

Source:TestClassTransformerTest.java

...50        final Class<?> clazz = Class.forName(SupportClasses.SubClass.class.getName(), true, mockClassLoader);51        assertEquals("Original number of constructoprs",52                1, SupportClasses.SubClass.class.getConstructors().length);53        try {54            fail("A public defer-constructor is not expected: "55                    + clazz.getConstructor(IndicateReloadClass.class));56        } catch (NoSuchMethodException is_expected) {}57        assertEquals("Number of (public) constructors in modified class",58                1, clazz.getConstructors().length);59        assertNotNull("But there should still be a non-public defer constructor!",60                clazz.getDeclaredConstructor(IndicateReloadClass.class));61    }62    @Test63    public void preparedClassConstructorsShouldKeepTheirAccessModifier() throws Exception {64        MockClassLoader mockClassLoader = classLoaderCase65                .createMockClassLoaderThatPrepare(SupportClasses.MultipleConstructors.class);66        final Class<?> clazz = Class.forName(67                SupportClasses.MultipleConstructors.class.getName(),68                true, mockClassLoader);69        for (Constructor<?> originalConstructor : SupportClasses70                .MultipleConstructors.class.getDeclaredConstructors()) {71            Class[] paramTypes = originalConstructor.getParameterTypes();72            int originalModifiers = originalConstructor.getModifiers();73            int newModifiers = clazz.getDeclaredConstructor(paramTypes).getModifiers();74            String constructorName = 0 == paramTypes.length75                    ? "Default constructor "76                    : paramTypes[0].getSimpleName() + " constructor ";77            assertEquals(constructorName + "is public?",78                    isPublic(originalModifiers), isPublic(newModifiers));79            assertEquals(constructorName + "is protected?",80                    isProtected(originalModifiers), isProtected(newModifiers));81            assertEquals(constructorName + "is private?",82                    isPrivate(originalModifiers), isPrivate(newModifiers));83        }84    }85    enum MockClassLoaderCase {86        WHEN_PREPARED_CLASS_IS_TESTCLASS {87            @Override Class<?> chooseTestClass(Class<?> prepare4test) {88                return prepare4test;89            }90            @Override String[] preparations(Class<?> prepare4test) {91                return new String[] {MockClassLoader.MODIFY_ALL_CLASSES};92            }93        },94        WHEN_ENCLOSING_CLASS_IS_TESTCLASS {95            @Override Class<?> chooseTestClass(Class<?> prepare4test) {...

constructor

Using AI Code Generation

1import org.powermock.core.transformers.TestClassTransformer;2public class 4 {3    public static void main(String[] args) {4        TestClassTransformer t = new TestClassTransformer();5    }6}7import org.powermock.core.transformers.MockTransformer;8public class 5 {9    public static void main(String[] args) {10        MockTransformer t = new MockTransformer();11    }12}13import org.powermock.core.transformers.impl.MockTransformerImpl;14public class 6 {15    public static void main(String[] args) {16        MockTransformerImpl t = new MockTransformerImpl();17    }18}19import org.powermock.core.transformers.impl.TestClassTransformerImpl;20public class 7 {21    public static void main(String[] args) {22        TestClassTransformerImpl t = new TestClassTransformerImpl();23    }24}25import org.powermock.core.transformers.impl.PowerMockTransformerImpl;26public class 8 {27    public static void main(String[] args) {28        PowerMockTransformerImpl t = new PowerMockTransformerImpl();29    }30}31import org.powermock.core.transformers.impl.PrepareForTestTransformerImpl;32public class 9 {33    public static void main(String[] args) {34        PrepareForTestTransformerImpl t = new PrepareForTestTransformerImpl();35    }36}37import org.powermock.core.transformers.impl.PrepareOnlyThisForTestTransformerImpl;38public class 10 {39    public static void main(String[] args) {40        PrepareOnlyThisForTestTransformerImpl t = new PrepareOnlyThisForTestTransformerImpl();41    }42}

constructor

Using AI Code Generation

1> package org.powermock.core.transformers;2> import java.io.IOException;3> import java.io.InputStream;4> import java.io.OutputStream;5> import java.lang.instrument.ClassFileTransformer;6> import java.security.ProtectionDomain;7> import java.util.ArrayList;8> import java.util.List;9> import org.powermock.core.transformers.impl.ClassMockTransformer;10> import org.powermock.core.transformers.impl.MockTransformer;11> import org.powermock.core.transformers.impl.MockTransformerChain;12> import org.powermock.core.transformers.impl.MockTransformerFactory;13> import org.powermock.core.transformers.impl.PowerMockTransformer;14> import org.powermock.core.transformers.impl.StackTraceCleanerTransformer;15> import org.powermock.core.transformers.impl.StackTraceCleanerTransformerChain;16> import org.powermock.core.transformers.impl.StackTraceCleanerTransformerFactory;17> import org.powermock.core.transformers.impl.TestClassTransformer;18> import org.powermock.core.transformers.impl.TestMethodTransformer;19> import org.powermock.core.transformers.impl.TestMethodTransformerChain;20> import org.powermock.core.transformers.impl.TestMethodTransformerFactory;21> import org.powermock.core.transformers.impl.TestNameTransformer;22> import org.powermock.core.transformers.impl.TestNameTransformerChain;23> import org.powermock.core.transformers.impl.TestNameTransformerFactory;24> import org.powermock.core.transformers.impl.TestSuiteChunker;25> import org.powermock.core.transformers.impl.TestSuiteChunkerFactory;26> import org.powermock.core.transformers.impl.UnMockTransformer;27> import org.powermock.core.transformers.impl.UnMockTransformerChain;28> import org.powermock.core.transformers.impl.UnMockTransformerFactory;29> import org.powermock.core.transformers.impl.UnMockTransformerFactoryForClass;30> import org.powermock.core.transformers.impl.UnMockTransformerFactoryForMethod;31> import org.powermock.core.transformers.impl.UnMockTransformerFactoryForStaticInitializer;32> import org.powermock.core.transformers.impl.UnMockTransformerFactoryForTest;33> import org.powermock.core.transformers.impl.UnMockTransformerFactoryForTestMethods;34> import org.powermock.core.transformers.impl.UnMockTransformerFactoryForTestName;35> import org.powermock.core.transformers.impl.UnMockTransformerFactoryForTestSuite;36> import org.powermock.core.transformers.impl.UnMockTransformerFactoryForUnMock;37> import org.powermock.core.transformers.impl.UnMockTransformerFactoryForUnMockClass;38> import org.powermock.core.transformers.impl.UnMockTransformerFactory

constructor

Using AI Code Generation

1public class 4 {2  public static void main(String[] args) throws Exception {3    TestClassTransformer testClassTransformer = new TestClassTransformer();4    System.out.println(testClassTransformer);5  }6}7public class 5 {8  public static void main(String[] args) throws Exception {9    MockTransformer mockTransformer = new MockTransformer();10    System.out.println(mockTransformer);11  }12}13public class 6 {14  public static void main(String[] args) throws Exception {15    MockTransformer mockTransformer = new MockTransformer();16    System.out.println(mockTransformer);17  }18}19public class 7 {20  public static void main(String[] args) throws Exception {21    MockTransformer mockTransformer = new MockTransformer();22    System.out.println(mockTransformer);23  }24}25public class 8 {26  public static void main(String[] args) throws Exception {27    MockTransformer mockTransformer = new MockTransformer();28    System.out.println(mockTransformer);29  }30}31public class 9 {32  public static void main(String[] args) throws Exception {33    MockTransformer mockTransformer = new MockTransformer();34    System.out.println(mockTransformer);35  }36}37public class 10 {38  public static void main(String[] args) throws Exception {39    MockTransformer mockTransformer = new MockTransformer();40    System.out.println(mockTransformer);41  }42}43public class 11 {44  public static void main(String[] args) throws Exception {45    MockTransformer mockTransformer = new MockTransformer();46    System.out.println(mockTransformer);47  }48}49public class 12 {

constructor

Using AI Code Generation

1public class 4 {2    public void test() throws Exception {3        ClassPool pool = new ClassPool();4        pool.appendClassPath(new LoaderClassPath(getClass().getClassLoader()));5        CtClass clazz = pool.get("com.example.MyClass");6        ClassReader reader = new ClassReader(clazz.toBytecode());7        ClassWriter writer = new ClassWriter(reader, ClassWriter.COMPUTE_MAXS);8        TestClassTransformer transformer = new TestClassTransformer("com.example.MyClass", writer);9        reader.accept(transformer, 0);10        byte[] bytes = writer.toByteArray();11        Class<?> clazz2 = new ByteBuddy().redefine(clazz.toClass()).name("com.example.MyClass2").make().load(getClass().getClassLoader()).getLoaded();12        Class<?> clazz3 = new ByteBuddy().redefine(clazz2).name("com.example.MyClass3").make().load(getClass().getClassLoader()).getLoaded();13        System.out.println(clazz3.getDeclaredMethod("foo").invoke(clazz3.newInstance()));14    }15}16public class 5 {17    public void test() throws Exception {18        ClassPool pool = new ClassPool();19        pool.appendClassPath(new LoaderClassPath(getClass().getClassLoader()));20        CtClass clazz = pool.get("com.example.MyClass");21        ClassReader reader = new ClassReader(clazz.toBytecode());22        ClassWriter writer = new ClassWriter(reader, ClassWriter.COMPUTE_MAXS);23        ClassWrapper wrapper = new ClassWrapper(writer);24        reader.accept(wrapper, 0);25        byte[] bytes = writer.toByteArray();26        Class<?> clazz2 = new ByteBuddy().redefine(clazz.toClass()).name("com.example.MyClass2").make().load(getClass().getClassLoader()).getLoaded();27        Class<?> clazz3 = new ByteBuddy().redefine(clazz2).name("com.example.MyClass3").make().load(getClass().getClassLoader()).getLoaded();28        System.out.println(clazz3.getDeclaredMethod("foo").invoke(clazz3.newInstance()));29    }30}31public class 6 {32    public void test() throws Exception {33        ClassPool pool = new ClassPool();34        pool.appendClassPath(new LoaderClassPath(getClass().getClassLoader()));

constructor

Using AI Code Generation

1package org.powermock.core.transformers;2import java.io.File;3import java.io.FileInputStream;4import java.io.IOException;5import java.io.InputStream;6import java.util.ArrayList;7import java.util.Arrays;8import java.util.List;9import org.powermock.core.transformers.impl.ClassFileTransformerImpl;10import org.powermock.core.transformers.impl.ClassFileTransformerImplTest;11import org.powermock.core.transformers.impl.ClassFileTransformerImplTest.TestClassTransformer;12import org.powermock.core.transformers.impl.ClassFileTransformerImplTest.TestClassTransformerFactory;13import org.powermock.core.transformers.impl.ClassFileTransformerImplTest.TestClassTransformerFactoryTest;14import org.powermock.core.transformers.impl.MockTransformer;15import org.powermock.core.transformers.impl.MockTransformerTest;16import org.powermock.core.transformers.impl.MockTransformerTest.MockTransformerFactory;17import org.powermock.core.transformers.impl.MockTransformerTest.MockTransformerFactoryTest;18import org.powermock.core.transformers.impl.MockTransformerTest.MockTransformerTest;19import org.powermock.core.transformers.impl.TransformStrategy;20import org.powermock.core.transformers.impl.TransformStrategyTest;21import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategy;22import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyFactory;23import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyFactoryTest;24import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyTest;25import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyFactoryTest;26import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyTest;27import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyFactoryTest;28import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyTest;29import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyFactoryTest;30public class ClassFileTransformerImplTest {31    public static void main(String[] args) {32        try {33            ClassFileTransformerImpl transformer = new ClassFileTransformerImpl();34            System.out.println("transformer = " + transformer);

constructor

Using AI Code Generation

1package com.powermock;2import java.io.File;3import java.io.FileOutputStream;4import java.io.IOException;5import java.lang.instrument.ClassFileTransformer;6import java.lang.instrument.IllegalClassFormatException;7import java.security.ProtectionDomain;8import org.powermock.core.transformers.TestClassTransformer;9public class ClassTransformer implements ClassFileTransformer {10    private final TestClassTransformer transformer;11    public ClassTransformer() {12        this.transformer = new TestClassTransformer();13    }14    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,15            ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {16        byte[] transformed = transformer.transform(loader, className, classBeingRedefined, protectionDomain,17                classfileBuffer);18        if (transformed != null) {19            try {20                File f = new File("D:\\output\\" + className + ".class");21                FileOutputStream out = new FileOutputStream(f);22                out.write(transformed);23                out.close();24            } catch (IOException e) {25                e.printStackTrace();26            }27        }28        return transformed;29    }30}31package com.powermock;32import java.io.File;33import java.io.FileOutputStream;34import java.io.IOException;35import java.lang.instrument.ClassFileTransformer;36import java.lang.instrument.IllegalClassFormatException;37import java.security.ProtectionDomain;38import org.powermock.core.transformers.javassist.JavassistMockTransformer;39public class ClassTransformer implements ClassFileTransformer {40    private final JavassistMockTransformer transformer;41    public ClassTransformer() {42        this.transformer = new JavassistMockTransformer();43    }44    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,45            ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {46        byte[] transformed = transformer.transform(loader, className, classBeingRedefined, protectionDomain,47                classfileBuffer);48        if (transformed != null) {49            try {50                File f = new File("D:\\output\\" + className + ".class");51                FileOutputStream out = new FileOutputStream(f);52                out.write(transformed);53                out.close();54            } catch (IOException e) {55                e.printStackTrace();56            }57        }58        return transformed;59    }60}

constructor

Using AI Code Generation

1public class 4 {2    public void test() throws Exception {3        ClassPool pool = new ClassPool();4        pool.appendClassPath(new LoaderClassPath(getClass().getClassLoader()));5        CtClass clazz = pool.get("com.example.MyClass");6        ClassReader reader = new ClassReader(clazz.toBytecode());7        ClassWriter writer = new ClassWriter(reader, ClassWriter.COMPUTE_MAXS);8        TestClassTransformer transformer = new TestClassTransformer("com.example.MyClass", writer);9        reader.accept(transformer, 0);10        byte[] bytes = writer.toByteArray();11        Class<?> clazz2 = new ByteBuddy().redefine(clazz.toClass()).name("com.example.MyClass2").make().load(getClass().getClassLoader()).getLoaded();12        Class<?> clazz3 = new ByteBuddy().redefine(clazz2).name("com.example.MyClass3").make().load(getClass().getClassLoader()).getLoaded();13        System.out.println(clazz3.getDeclaredMethod("foo").invoke(clazz3.newInstance()));14    }15}16public class 5 {17    public void test() throws Exception {18        ClassPool pool = new ClassPool();19        pool.appendClassPath(new LoaderClassPath(getClass().getClassLoader()));20        CtClass clazz = pool.get("com.example.MyClass");21        ClassReader reader = new ClassReader(clazz.toBytecode());22        ClassWriter writer = new ClassWriter(reader, ClassWriter.COMPUTE_MAXS);23        ClassWrapper wrapper = new ClassWrapper(writer);24        reader.accept(wrapper, 0);25        byte[] bytes = writer.toByteArray();26        Class<?> clazz2 = new ByteBuddy().redefine(clazz.toClass()).name("com.example.MyClass2").make().load(getClass().getClassLoader()).getLoaded();27        Class<?> clazz3 = new ByteBuddy().redefine(clazz2).name("com.example.MyClass3").make().load(getClass().getClassLoader()).getLoaded();28        System.out.println(clazz3.getDeclaredMethod("foo").invoke(clazz3.newInstance()));29    }30}31public class 6 {32    public void test() throws Exception {33        ClassPool pool = new ClassPool();34        pool.appendClassPath(new LoaderClassPath(getClass().getClassLoader()));

constructor

Using AI Code Generation

1package org.powermock.core.transformers;2import java.io.File;3import java.io.FileInputStream;4import java.io.IOException;5import java.io.InputStream;6import java.util.ArrayList;7import java.util.Arrays;8import java.util.List;9import org.powermock.core.transformers.impl.ClassFileTransformerImpl;10import org.powermock.core.transformers.impl.ClassFileTransformerImplTest;11import org.powermock.core.transformers.impl.ClassFileTransformerImplTest.TestClassTransformer;12import org.powermock.core.transformers.impl.ClassFileTransformerImplTest.TestClassTransformerFactory;13import org.powermock.core.transformers.impl.ClassFileTransformerImplTest.TestClassTransformerFactoryTest;14import org.powermock.core.transformers.impl.MockTransformer;15import org.powermock.core.transformers.impl.MockTransformerTest;16import org.powermock.core.transformers.impl.MockTransformerTest.MockTransformerFactory;17import org.powermock.core.transformers.impl.MockTransformerTest.MockTransformerFactoryTest;18import org.powermock.core.transformers.impl.MockTransformerTest.MockTransformerTest;19import org.powermock.core.transformers.impl.TransformStrategy;20import org.powermock.core.transformers.impl.TransformStrategyTest;21import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategy;22import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyFactory;23import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyFactoryTest;24import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyTest;25import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyFactoryTest;26import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyTest;27import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyFactoryTest;28import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyTest;29import org.powermock.core.transformers.impl.TransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyTest.TestTransformStrategyFactoryTest;30public class ClassFileTransformerImplTest {31    public static void main(String[] args) {32        try {33            ClassFileTransformerImpl transformer = new ClassFileTransformerImpl();34            System.out.println("transformer = " + transformer);

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