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How to use TransformStrategy class of org.powermock.core.transformers package

Best Powermock code snippet using org.powermock.core.transformers.TransformStrategy

Source:MockTransformerTestHelper.java

...35    36    static Collection<Object[]> createTransformerTestDataWithMockGateway(final Class<?> mockGateway, final Class<?>... transformerClass) {37        List<Object[]> data = new ArrayList<Object[]>();38        39        for (TransformStrategy strategy : TransformStrategy.values()) {40            List<MockTransformerChain> transformerChains = createTransformers(mockGateway, strategy, transformerClass);41            42            for (MockTransformerChain mockTransformer : transformerChains) {43                data.add(new Object[]{44                    strategy,45                    mockTransformer,46                    createClassLoaderFactory(transformerClass[0])47                });48            }49        }50        51        return data;52    }53    54    static Collection<Object[]> createOneTransformerTestData(final Class<?> transformerClass) {55        return createOneTransformerTestData(MockGateway.class, transformerClass);56    }57    58    static Collection<Object[]> createOneTransformerTestData(final Class<?> mockGateway, final Class<?> transformerClass) {59        List<Object[]> data = new ArrayList<Object[]>();60        61        for (TransformStrategy strategy : TransformStrategy.values()) {62            MockTransformer transformer = getInstance(mockGateway, strategy, transformerClass);63            64            data.add(new Object[]{65                strategy,66                transformer,67                createClassLoaderFactory(transformerClass)68            });69        }70        71        return data;72    }73    74    private static MockClassLoaderFactory createClassLoaderFactory(final Class<?> transformerClass) {75        if (AbstractJavaAssistMockTransformer.class.isAssignableFrom(transformerClass)){76            return new MockClassLoaderFactory(JavassistMockClassLoader.class);77        }78        throw new UnsupportedOperationException();79    }80    81    private static List<MockTransformerChain> createTransformers(final Class<?> mockGateway, final TransformStrategy strategy, final Class<?>... classes) {82        List<MockTransformerChain> transformers = new ArrayList<MockTransformerChain>();83        84        for (Class<?> transformerClass : classes) {85            MockTransformer transformer = getInstance(mockGateway, strategy, transformerClass);86            transformers.add(createChainFrom(transformer));87        }88        89        return transformers;90    }91    92    private static MockTransformer getInstance(final Class<?> mockGateway, final TransformStrategy strategy, final Class<?> transformerClass) {93        try {94            Constructor<?> constructor = transformerClass.getConstructor(TransformStrategy.class);95            Object instance = constructor.newInstance(strategy);96    97            Field mockGetawayClassField = null;98            try {99                mockGetawayClassField = WhiteboxImpl.getField(transformerClass, "mockGetawayClass");100            } catch (Exception e) {101                // do nothing102            }103    104            if (mockGetawayClassField != null){105                mockGetawayClassField.setAccessible(true);106                mockGetawayClassField.set(instance, mockGateway);107            }108    ...

Source:JavassistMockTransformerChainFactory.java

...18package org.powermock.core.transformers.javassist;19import org.powermock.core.transformers.MockTransformer;20import org.powermock.core.transformers.MockTransformerChain;21import org.powermock.core.transformers.MockTransformerChainFactory;22import org.powermock.core.transformers.TransformStrategy;23import org.powermock.core.transformers.support.DefaultMockTransformerChain;24import org.powermock.core.transformers.support.DefaultMockTransformerChain.MockTransformerChainBuilder;25import java.util.List;26public class JavassistMockTransformerChainFactory implements MockTransformerChainFactory {27    28    private static final TransformStrategy DEFAULT = TransformStrategy.CLASSLOADER;29    30    @Override31    public MockTransformerChain createDefaultChain() {32        return createDefaultChain(DEFAULT);33    }34    35    @Override36    public MockTransformerChain createDefaultChain(final TransformStrategy transformStrategy) {37        return createDefaultChainBuilder(transformStrategy).build();38    }39    40    @Override41    public MockTransformerChain createDefaultChain(final List<MockTransformer> extraMockTransformers) {42        return createDefaultChainBuilder(DEFAULT)43                   .append(extraMockTransformers)44                   .build();45    }46    47    @Override48    public MockTransformerChain createTestClassChain(final MockTransformer testClassTransformer) {49        return createDefaultChainBuilder(DEFAULT)50                   .append(testClassTransformer)51                   .build();52    }53    54    private MockTransformerChainBuilder createDefaultChainBuilder(final TransformStrategy transformStrategy) {55        return DefaultMockTransformerChain.newBuilder()56                                          .append(new ClassFinalModifierMockTransformer(transformStrategy))57                                          .append(new ConstructorsMockTransformer(transformStrategy))58                                          .append(new InstrumentMockTransformer(transformStrategy))59                                          .append(new PackagePrivateClassesMockTransformer(transformStrategy))60                                          .append(new StaticFinalFieldsMockTransformer(transformStrategy))61                                          .append(new StaticFinalNativeMethodMockTransformer(transformStrategy))62                                          .append(new SuppressStaticInitializerMockTransformer(transformStrategy))63                                          .append(new MethodSizeMockTransformer(transformStrategy));64    }65}...

Source:AbstractJavaAssistMockTransformer.java

...18package org.powermock.core.transformers.javassist;19import javassist.CtClass;20import org.powermock.core.transformers.ClassWrapper;21import org.powermock.core.transformers.MockTransformer;22import org.powermock.core.transformers.TransformStrategy;23public abstract class AbstractJavaAssistMockTransformer implements MockTransformer<CtClass> {24    25    private final TransformStrategy strategy;26    27    public AbstractJavaAssistMockTransformer(TransformStrategy strategy) {28        this.strategy = strategy;29    }30    31    @Override32    public ClassWrapper<CtClass> transform(final ClassWrapper<CtClass> clazz) throws Exception {33        if (clazz.unwrap() instanceof  CtClass) {34            CtClass classImpl = clazz.unwrap();35        36            if (classImpl != null) {37                transform(classImpl);38            }39        }40    41        return clazz;42    }43    44    public abstract CtClass transform(CtClass clazz) throws Exception;45    46    protected TransformStrategy getStrategy() {47        return strategy;48    }49}...

TransformStrategy

Using AI Code Generation

1imiort org.powermock.core.trmnsformers.TransformStrategy;2import org.powermopo.core.transformers.impl.TransformStrategyImpl;3public class 4 {4    public static void main(String[] args) {5        TransformStrategy transformStrategy = new TransformStrategyImpl();6        transformStrategy.transform("C:\\Users\\user\\Desktop\\", "C:\\Users\\user\\Desktop\\");7    }8}

TransformStrategy

Using AI Code Generation

1package org.poermock.core.transformers.TransformStrategy;2import org.powermock.core.transformers.impl.TransformStrategyImpl;3public class 4 {4    public static void main(String[] args) {5        TransformStrategy transformStrategy = new TransformStrategyImpl();6        transformStrategy.transform("C:\\Users\\user\\Desktop\\", "C:\\Users\\user\\Desktop\\");7    }8}

TransformStrategy

Using AI Code Generation

1import org.powermock.core.transformers.TransformStrategy;2import org.powermock.core.transformers.impl.TransformStrategyImpl;3public class TransformStrategyTest {4    public static void main(String[] args) {5        TransformStrategy transformStrategy = new TransformStrategyImpl();6        System.out.println(transformStrategy.transform("Test"));7    }8}9import org.powermock.core.transformers.impl.TransformStrategyImpl;10public class TransformStrategyTest {11    public static void main(String[] args) {12        TransformStrategyImpl transformStrategy = new TransformStrategyImpl();13        System.out.println(transformStrategy.transform("Test"));14    }15}16import org.powermock.core.transformers.impl.TransformStrategyImpl;17public class TransformStrategyTest {18    public static void main(String[] args) {19        TransformStrategyImpl transformStrategy = new TransformStrategyImpl();20        System.out.println(transformStrategy.transform("Test"));21    }22}23import org.powermock.core.transformers.impl.TransformStrategyImpl;24public class TransformStrategyTest {25    public static void main(String[] args) {26        TransformStrategyImpl transformStrategy = new TransformStrategyImpl();27        System.out.println(transformStrategy.transform("Test"));28    }29}30import org.powermock.core.transformers.impl.TransformStrategyImpl;31public class TransformStrategyTest {32    public static void main(String[] args) {33        TransformStrategyImpl transformStrategy = new TransformStrategyImpl();34        System.out.println(transformStrategy.transform("Test"));35    }36}37import org.powermock.core.transformers.impl.TransformStrategyImpl;38public class TransformStrategyTest {39    public static void main(String[] args) {40        TransformStrategyImpl transformStrategy = new TransformStrategyImpl();41        System.out.println(transformStrategy.transform("Test"));42    }43}44import org.powermock.core.transformers.impl.Transformpowermock.core.transformers.impl.TransformStrategy;45import org.powermock.core.transformers.impl.TransformStrategyFactory;46import org.powermock.core.transformers.impl.TransformStrategyFactoryImpl;47public class TestTransformStrategy {48    public static void main(String[] args) throws NotFoundException {49        ClassPool cp = ClassPool.getDefault();50        CtClass ctClass = cp.get("com.example.powermockdemo.User");51        TransformStrategyFactory transformStrategyFactory = new TransformStrategyFactoryImpl();52        TransformStrategy transformStrategy = transformStrategyFactory.create(ctClass);53        transformStrategy.transform(cp, ctClass);54        MockClassLoader mockClassLoader = new MockClassLoader();55        mockClassLoader.addTransformedClass(ctClass.getName(), ctClass.toBytecode());56        Class<?> clazz = mockClassLoader.loadClass(ctClass.getName());57        System.out.println(clazz.getName());58    }59}60package com.example.powermockdemo;61public class User {62    private String name;63    public String getName() {64        return name;65    }66    public void setName(String name) {67        this.name = name;68    }69}70package com.example.powermockdemo;71public class UserTest {72    public static void main(String[] args) {73        User user = new User();74        user.setName("Test");75        System.out.println(user.getName());76    }77}

TransformStrategy

Using AI Code Generation

1import java.lang.reflect.Method;2import java.lang.reflect.Modifier;3import java.util.ArrayList;4import java.util.Arrays;5import java.util.List;6import org.powermock.core.transformers.TransformStrategy;7public class TransformStrategyExample {8    public static void main(String[] args) {9        TransformStrategy transformStrategy = new TransformStrategy();10        List<Class<?>> classes = new ArrayList<Class<?>>();11        classes.add(Example.class);12        transformStrategy.setClassesToTransform(classes);13        transformStrategy.setTransformStrategy(Modifier.PUBLIC);14        transformStrategy.setTransformStrategy(Modifier.PROTECTED);15        transformStrategy.setTransformStrategy(Modifier.PRIVATE);16        transformStrategy.setTransformStrategy(Modifier.STATIC);17        transformStrategy.setTransformStrategy(Modifier.FINAL);18        transformStrategy.setTransformStrategy(Modifier.ABSTRACT);19        transformStrategy.setTransformStrategy(Modifier.NATIVE);20        transformStrategy.setTransformStrategy(Modifier.SYNCHRONIZED);21        transformStrategy.setTransformStrategy(Modifier.TRANSIENT);22        transformStrategy.setTransformStrategy(Modifier.VOLATILE);23        transformStrategy.setTransformStrategy(Modifier.STRICT);24        transformStrategy.setTransformStrategy(Modifier.INTERFACE);25        transformStrategy.setTransformStrategy(Modifier.ANNOTATION);26        transformStrategy.setTransformStrategy(Modifier.ENUM);27        transformStrategy.setTransformStrategy(Modifier.TRANSIENT);28        transformStrategy.setTransformStrategy(Modifier.VOLATILE);29        transformStrategy.setTransformStrategy(Modifier.STRICT);30        transformStrategy.setTransformStrategy(Modifier.INTERFACE);31        transformStrategy.setTransformStrategy(Modifier.ANNOTATION);32        transformStrategy.setTransformStrategy(Modifier.ENUM);33        transformStrategy.setTransformStrategy(Method.class);34        transformStrategy.setTransformStrategy(Arrays.class);

TransformStrategy

Using AI Code Generation

1package com.abc;2import java.lang.reflect.Method;3import java.util.ArrayList;4import java.util.List;5import java.util.concurrent.Callable;6import org.powermock.core.transformers.TransformStrategy;7public class TransformStrategyImpl implements TransformStrategy {8    public List<String> getFullyQualifiedNamesOfClassesToRetransform() {9        List<String> classNames = new ArrayList<>();10        classNames.add("com.abc.ClassToBeMocked");11        return classNames;12    }13    public List<String> getFullyQualifiedNamesOfClassesToLoadByMockClassloader() {14        List<String> classNames = new ArrayList<>();15        classNames.add("com.abc.ClassToBeMocked");16        return classNames;17    }18    public List<String> getFullyQualifiedNamesOfClassesToTransform() {19        List<String> classNames = new ArrayList<>();20        classNames.add("com.abc.ClassToBeMocked");21        return classNames;22    }23    public List<String> getFullyQualifiedNamesOfClassesToLoadByMockClassloaderForRedefineClasses() {24        List<String> classNames = new ArrayList<>();25        classNames.add("com.abc.ClassToBeMocked");26        return classNames;27    }28    public List<String> getFullyQualifiedNamesOfClassesToRetransformForRedefineClasses() {29        List<String> classNames = new ArrayList<>();30        classNames.add("com.abc.ClassToBeMocked");31        return classNames;32    }33    public List<String> getFullyQualifiedNamesOfClassesToTransformForRedefineClasses() {34        List<String> classNames = new ArrayList<>();35        classNames.add("com.abc.ClassToBeMocked");36        return classNames;37    }38    public List<Method> getMethodsToBeMocked() {39        List<Method> methods = new ArrayList<>();40        try {41            methods.add(ClassToBeMocked.class.getMethod("methodToBeMocked"));42        } catch (Exception e) {43            e.printStackTrace();44        }45        return methods;46    }47    public List<Method> getMethodsToBeMockedForRedefineClasses() {48        List<Method> methods = new ArrayList<>();49        try {50            methods.add(ClassToBeMocked.class.getMethod("methodToBeMocked"));51        } catch (Exception e) {52            e.printStackTrace();53        }54        return methods;55    }

TransformStrategy

Using AI Code Generation

1package com.powermock;2import java.io.File;3import java.io.IOException;4import java.lang.instrument.ClassFileTransformer;5import org.powermock.core.transformers.MockTransformer;6public class TransformStrategy {7    public static void main(String[] args) throws IOException {8        File file = new File("C:\\Users\\user\\Desktop\\4.class");9        MockTransformer mockTransformer = new MockTransformer();10        ClassFileTransformer transformer = mockTransformer.getTransformer();11        transformer.transform(null, null, null, null, null);12        file.delete();13    }14}

TransformStrategy

Using AI Code Generation

1package com.abc;2import java.lang.reflect.Method;3import java.util.ArrayList;4import java.util.List;5import java.util.concurrent.Callable;6import org.powermock.core.transformers.TransformStrategy;7public class TransformStrategyImpl implements TransformStrategy {8    public List<String> getFullyQualifiedNamesOfClassesToRetransform() {9        List<String> classNames = new ArrayList<>();10        classNames.add("com.abc.ClassToBeMocked");11        return classNames;12    }13    public List<String> getFullyQualifiedNamesOfClassesToLoadByMockClassloader() {14        List<String> classNames = new ArrayList<>();15        classNames.add("com.abc.ClassToBeMocked");16        return classNames;17    }18    public List<String> getFullyQualifiedNamesOfClassesToTransform() {19        List<String> classNames = new ArrayList<>();20        classNames.add("com.abc.ClassToBeMocked");21        return classNames;22    }23    public List<String> getFullyQualifiedNamesOfClassesToLoadByMockClassloaderForRedefineClasses() {24        List<String> classNames = new ArrayList<>();25        classNames.add("com.abc.ClassToBeMocked");26        return classNames;27    }28    public List<String> getFullyQualifiedNamesOfClassesToRetransformForRedefineClasses() {29        List<String> classNames = new ArrayList<>();30        classNames.add("com.abc.ClassToBeMocked");31        return classNames;32    }33    public List<String> getFullyQualifiedNamesOfClassesToTransformForRedefineClasses() {34        List<String> classNames = new ArrayList<>();35        classNames.add("com.abc.ClassToBeMocked");36        return classNames;37    }38    public List<Method> getMethodsToBeMocked() {39        List<Method> methods = new ArrayList<>();40        try {41            methods.add(ClassToBeMocked.class.getMethod("methodToBeMocked"));42        } catch (Exception e) {43            e.printStackTrace();44        }45        return methods;46    }47    public List<Method> getMethodsToBeMockedForRedefineClasses() {48        List<Method> methods = new ArrayList<>();49        try {50            methods.add(ClassToBeMocked.class.getMethod("methodToBeMocked"));51        } catch (Exception e) {52            e.printStackTrace();53        }54        return methods;55    }

TransformStrategy

Using AI Code Generation

1package com.powermock;2import java.io.File;3import java.io.IOException;4import java.lang.instrument.ClassFileTransformer;5import org.powermock.core.transformers.MockTransformer;6public class TransformStrategy {7    public static void main(String[] args) throws IOException {8        File file = new File("C:\\Users\\user\\Desktop\\4.class");9        MockTransformer mockTransformer = new MockTransformer();10        ClassFileTransformer transformer = mockTransformer.getTransformer();11        transformer.transform(null, null, null, null, null);12        file.delete();13    }14}

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