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How to use JavassistMockTransformerChainFactory method of org.powermock.modules.agent.PowerMockClassTransformer class

Best Powermock code snippet using org.powermock.modules.agent.PowerMockClassTransformer.JavassistMockTransformerChainFactory

Source:PowerMockClassTransformer.java

...21import org.powermock.core.transformers.ClassWrapper;22import org.powermock.core.transformers.ClassWrapperFactory;23import org.powermock.core.transformers.MockTransformerChain;24import org.powermock.core.transformers.TransformStrategy;25import org.powermock.core.transformers.javassist.JavassistMockTransformerChainFactory;26import org.powermock.core.transformers.javassist.support.JavaAssistClassWrapperFactory;27import java.io.ByteArrayInputStream;28import java.io.IOException;29import java.lang.instrument.ClassFileTransformer;30import java.lang.instrument.IllegalClassFormatException;31import java.security.ProtectionDomain;32import java.util.Collection;33import java.util.HashSet;34import java.util.Set;35class PowerMockClassTransformer extends AbstractClassTransformer implements ClassFileTransformer {36    37    private static final MockTransformerChain MOCK_TRANSFORMER_CHAIN = new JavassistMockTransformerChainFactory()38                                                                           .createDefaultChain(TransformStrategy.INST_REDEFINE);39    private final ClassWrapperFactory wrapperFactory;40    private volatile Set<String> classesToTransform;41    private volatile JavaAgentClassRegister javaAgentClassRegister;42    43    PowerMockClassTransformer() {44        super();45        wrapperFactory = new JavaAssistClassWrapperFactory();46    }47    48    public void setClassesToTransform(Collection<String> classesToTransform) {49        this.classesToTransform = new HashSet<String>(classesToTransform);50    }51    ...

JavassistMockTransformerChainFactory

Using AI Code Generation

1import java.lang.instrument.ClassFileTransformer;2import java.lang.instrument.IllegalClassFormatException;3import java.security.ProtectionDomain;4import javassist.ClassPool;5import javassist.CtClass;6import javassist.CtMethod;7import javassist.NotFoundException;8import org.powermock.api.mockito.repackaged.javassist.util.proxy.MethodFilter;9import org.powermock.api.mockito.repackaged.javassist.util.proxy.MethodHandler;10import org.powermock.api.mockito.repackaged.javassist.util.proxy.ProxyFactory;11import org.powermock.api.mockito.repackaged.javassist.util.proxy.ProxyObject;12import org.powermock.api.mockito.repackaged.javassist.util.proxy.RuntimeSupport;13import org.powermock.modules.agent.PowerMockClassTransformer;14public class JavassistMockTransformerChainFactory implements PowerMockClassTransformer {15    public ClassFileTransformer newTransformer() {16        return new JavassistMockTransformerChain();17    }18}19public class JavassistMockTransformerChain implements ClassFileTransformer {20    private ProxyFactory factory;21    private MethodHandler handler;22    private ClassPool pool;23    public JavassistMockTransformerChain() {24        factory = new ProxyFactory();25        factory.setFilter(new MethodFilter() {26            public boolean isHandled(java.lang.reflect.Method m) {27                return true;28            }29        });30        handler = new MethodHandler() {31            public Object invoke(Object self, java.lang.reflect.Method thisMethod, Method proceed, Object[] args) throws Throwable {32                return null;33            }34        };35        pool = ClassPool.getDefault();36    }37    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {38        try {39            CtClass clazz = pool.get(className.replace("/", "."));40            if (clazz.isFrozen()) {41                clazz.defrost();42            }43            CtMethod[] methods = clazz.getDeclaredMethods();44            for (CtMethod method : methods) {45                if (method.isEmpty()) {46                    method.setBody("return null;");47                }48            }49            return clazz.toBytecode();50        } catch (NotFoundException | RuntimeException | Error | ExceptionInInitializerError ex) {51            throw new IllegalClassFormatException("Cannot transform class: " + className + " due to: " + ex.getMessage());52        } catch (Throwable throwable) {53            throw new IllegalClassFormatException("Cannot transform class: " + className + " due to

JavassistMockTransformerChainFactory

Using AI Code Generation

1import javassist.ClassPool;2import javassist.CtClass;3import javassist.CtConstructor;4import javassist.CtMethod;5import javassist.NotFoundException;6import javassist.bytecode.CodeAttribute;7import javassist.bytecode.LocalVariableAttribute;8import javassist.bytecode.MethodInfo;9import java.util.ArrayList;10import java.util.List;11import java.util.Map;12import java.util.concurrent.ConcurrentHashMap;13import java.util.concurrent.atomic.AtomicInteger;14public class JavassistMockTransformerChainFactory {15    private static final Map<String, AtomicInteger> map = new ConcurrentHashMap<String, AtomicInteger>();16    public static JavassistMockTransformerChain create(String className, ClassLoader classLoader) {17        JavassistMockTransformerChain chain = new JavassistMockTransformerChain();18        chain.add(new JavassistMockTransformer() {19            public void transform(CtClass clazz) throws Exception {20                if (clazz.isInterface() || clazz.isAnnotation()) {21                    return;22                }23                for (CtMethod method : clazz.getDeclaredMethods()) {24                    if (method.isEmpty()) {25                        continue;26                    }27                    final String methodName = method.getName();28                    final String methodDesc = method.getMethodInfo().getDescriptor();29                    final String methodKey = className + "." + methodName + methodDesc;30                    final AtomicInteger counter = map.computeIfAbsent(methodKey, k -> new AtomicInteger(0));31                    final int methodIndex = counter.getAndIncrement();32                    final String methodNameWithIndex = methodName + "_" + methodIndex;33                    final String methodDescWithIndex = methodDesc + "_" + methodIndex;34                    final String methodKeyWithIndex = className + "." + methodNameWithIndex + methodDescWithIndex;35                    final CtMethod methodWithIndex = CtMethod.make(method, clazz, null);36                    methodWithIndex.setName(methodNameWithIndex);37                    methodWithIndex.setModifiers(method.getModifiers() & ~javassist.Modifier.ABSTRACT);38                    clazz.addMethod(methodWithIndex);39                    method.setName(methodName + "_original");40                    method.setModifiers(method.getModifiers() & ~javassist.Modifier.ABSTRACT);41                    final List<String> parameterNames = getParameterNames(method);42                    final StringBuilder builder = new StringBuilder();43                    builder.append("{");44                    builder.append("return ");45                    builder.append(className);46                    builder.append(".");47                    builder.append(methodNameWithIndex);48                    builder.append("(");49                    for (int i = 0; i < parameterNames.size(); i++) {50                        builder.append("$");51                        builder.append(i

JavassistMockTransformerChainFactory

Using AI Code Generation

1PowerMockClassTransformer transformer = new PowerMockClassTransformer();2transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());3transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());4PowerMockClassTransformer transformer = new PowerMockClassTransformer();5transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());6transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());7PowerMockClassTransformer transformer = new PowerMockClassTransformer();8transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());9transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());10PowerMockClassTransformer transformer = new PowerMockClassTransformer();11transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());12transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());13PowerMockClassTransformer transformer = new PowerMockClassTransformer();14transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());15transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());16PowerMockClassTransformer transformer = new PowerMockClassTransformer();17transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());18transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());19PowerMockClassTransformer transformer = new PowerMockClassTransformer();20transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());21transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());22PowerMockClassTransformer transformer = new PowerMockClassTransformer();23transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory());24transformer.setMockTransformerChainFactory(new JavassistMockTransformerChainFactory

JavassistMockTransformerChainFactory

Using AI Code Generation

1public class JavassistMockTransformerChainFactoryTest {2    private JavassistMockTransformerChainFactory javassistMockTransformerChainFactory;3    private ClassLoader testClassLoader;4    private ClassPool classPool;5    private ClassLoader classLoader;6    private JavassistMockTransformerChainFactory javassistMockTransformerChainFactory1;7    private ClassLoader testClassLoader1;8    private ClassPool classPool1;9    private ClassLoader classLoader1;10    public void setUp() throws Exception {11        javassistMockTransformerChainFactory = new JavassistMockTransformerChainFactory();12        testClassLoader = PowerMock.createMock(ClassLoader.class);13        classPool = PowerMock.createMock(ClassPool.class);14        classLoader = PowerMock.createMock(ClassLoader.class);15        javassistMockTransformerChainFactory1 = new JavassistMockTransformerChainFactory();16        testClassLoader1 = PowerMock.createMock(ClassLoader.class);17        classPool1 = PowerMock.createMock(ClassPool.class);18        classLoader1 = PowerMock.createMock(ClassLoader.class);19    }20    public void testCreateTransformerChain() throws Exception {21        ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();22        PowerMock.expectNew(ClassPool.class, true).andReturn(classPool);23        PowerMock.expectNew(ClassPool.class, true).andReturn(classPool1);24        PowerMock.expectNew(ClassLoaderClassPool.class, contextClassLoader).andReturn(classPool);25        PowerMock.expectNew(ClassLoaderClassPool.class, contextClassLoader).andReturn(classPool1);26        PowerMock.replayAll();27        javassistMockTransformerChainFactory.createTransformerChain(testClassLoader);28        javassistMockTransformerChainFactory1.createTransformerChain(testClassLoader1);29        PowerMock.verifyAll();30    }31}32× Email codedump link for How to use PowerMock expectNew(ClassPool.class, true) in JavassistMockTransformerChainFactoryTest

JavassistMockTransformerChainFactory

Using AI Code Generation

1JavassistMockTransformerChainFactory factory = new JavassistMockTransformerChainFactory();2MockTransformerChain chain = factory.createTransformerChain();3chain.addTransformer(new MockTransformer() {4    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {5        return classfileBuffer;6    }7});8chain.addTransformer(new MockTransformer() {9    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {10        return classfileBuffer;11    }12});13PowerMockClassTransformer.setMockTransformerChain(chain);14JavassistMockTransformerChainFactory factory = new JavassistMockTransformerChainFactory();15MockTransformerChain chain = factory.createTransformerChain();16chain.addTransformer(new MockTransformer() {17    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {18        return classfileBuffer;19    }20});21chain.addTransformer(new MockTransformer() {22    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {23        return classfileBuffer;24    }25});26PowerMockClassTransformer.setMockTransformerChain(chain);27JavassistMockTransformerChainFactory factory = new JavassistMockTransformerChainFactory();28MockTransformerChain chain = factory.createTransformerChain();29chain.addTransformer(new MockTransformer() {30    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClass

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