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How to use ParameterWritingVisitorWrapper method of org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator class

Best Mockito code snippet using org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator.ParameterWritingVisitorWrapper

Source:InlineBytecodeGenerator.java

...144        } else {145            try {146                return byteBuddy.redefine(classBeingRedefined, ClassFileLocator.Simple.of(classBeingRedefined.getName(), classfileBuffer))147                        // Note: The VM erases parameter meta data from the provided class file (bug). We just add this information manually.148                        .visit(new ParameterWritingVisitorWrapper(classBeingRedefined))149                        .visit(Advice.withCustomMapping()150                                .bind(MockMethodAdvice.Identifier.class, identifier)151                                .to(MockMethodAdvice.class).on(isVirtual()152                                        .and(not(isBridge().or(isHashCode()).or(isEquals()).or(isDefaultFinalizer())))153                                        .and(not(isDeclaredBy(nameStartsWith("java.")).<MethodDescription>and(isPackagePrivate())))))154                        .visit(Advice.withCustomMapping()155                                .bind(MockMethodAdvice.Identifier.class, identifier)156                                .to(MockMethodAdvice.ForHashCode.class).on(isHashCode()))157                        .visit(Advice.withCustomMapping()158                                .bind(MockMethodAdvice.Identifier.class, identifier)159                                .to(MockMethodAdvice.ForEquals.class).on(isEquals()))160                        .make()161                        .getBytes();162            } catch (Throwable throwable) {163                lastException = throwable;164                return null;165            }166        }167    }168    private static class ParameterWritingVisitorWrapper extends AsmVisitorWrapper.AbstractBase {169        private final Class<?> type;170        private ParameterWritingVisitorWrapper(Class<?> type) {171            this.type = type;172        }173        @Override174        public ClassVisitor wrap(TypeDescription instrumentedType,175                                 ClassVisitor classVisitor,176                                 Implementation.Context implementationContext,177                                 TypePool typePool,178                                 FieldList<FieldDescription.InDefinedShape> fields,179                                 MethodList<?> methods,180                                 int writerFlags,181                                 int readerFlags) {182            return implementationContext.getClassFileVersion().isAtLeast(ClassFileVersion.JAVA_V8)183                    ? new ParameterAddingClassVisitor(classVisitor, new TypeDescription.ForLoadedType(type))184                    : classVisitor;...

ParameterWritingVisitorWrapper

Using AI Code Generation

1import org.mockito.cglib.proxy.Enhancer;2import org.mockito.cglib.proxy.MethodInterceptor;3import org.mockito.cglib.proxy.MethodProxy;4import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator;5import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor;6import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.DispatcherDefaultingToRealMethod;7import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.ForAbstractMethodsOnly;8import org.mockito.invocation.MockHandler;9import org.mockito.mock.MockCreationSettings;10import org.mockito.plugins.MockMaker;11import java.lang.reflect.Method;12public class CustomMockMaker implements MockMaker {13    public <T> T createMock(MockCreationSettings<T> settings, MockHandler handler) {14        return (T) Enhancer.create(settings.getTypeToMock(), new MethodInterceptor() {15            public Object intercept(Object o, Method method, Object[] objects, MethodProxy methodProxy) throws Throwable {16                if (method.getDeclaringClass() == Object.class) {17                    return method.invoke(o, objects);18                }19                DispatcherDefaultingToRealMethod dispatcher = new DispatcherDefaultingToRealMethod(o, handler);20                ForAbstractMethodsOnly interceptor = new ForAbstractMethodsOnly(dispatcher);21                return interceptor.intercept(o, method, objects, new InlineBytecodeGenerator().ParameterWritingVisitorWrapper(method));22            }23        });24    }25    public MockHandler getHandler(Object o) {26        return null;27    }28    public void resetMock(Object o, MockHandler mockHandler, MockCreationSettings mockCreationSettings) {29    }30    public TypeMockability isTypeMockable(Class<?> aClass) {31        return TypeMockability.MOCKABLE;32    }33}34import net.bytebuddy.ByteBuddy;35import net.bytebuddy.asm.Advice;36import net.bytebuddy.description.method.MethodDescription;37import net.bytebuddy.dynamic.DynamicType;38import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;39import net.bytebuddy.implementation.MethodDelegation;40import net.bytebuddy.matcher.ElementMatchers;41import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator;42import java.lang.reflect.Method;43import static net.bytebuddy.matcher.ElementMatchers.named;44public class CustomMockMaker2 implements MockMaker {

ParameterWritingVisitorWrapper

Using AI Code Generation

1public class ByteBuddyTest {2    public static void main(String[] args) throws Exception {3        Class<? extends Car> mockClass = new ByteBuddy()4                .subclass(Car.class)5                .method(ElementMatchers.named("drive"))6                .intercept(FixedValue.value("Hello World!"))7                .make()8                .load(ByteBuddyTest.class.getClassLoader())9                .getLoaded();10        Car car = mockClass.newInstance();11        System.out.println(car.drive());12    }13}

ParameterWritingVisitorWrapper

Using AI Code Generation

1public class ParameterWritingVisitorWrapper implements ByteBuddyClassVisitorWrapper {2    private final File file;3    private final String methodName;4    private final String[] methodParameterTypes;5    public ParameterWritingVisitorWrapper(File file, String methodName, String[] methodParameterTypes) {6        this.file = file;7        this.methodName = methodName;8        this.methodParameterTypes = methodParameterTypes;9    }10    public ClassVisitor wrap(TypeDescription instrumentedType, ClassVisitor classVisitor, Implementation.Context implementationContext, TypePool typePool, FieldList<FieldDescription.InDefinedShape> fields, MethodList<?> methods, int writerFlags, int readerFlags) {11        return new ClassVisitor(Opcodes.ASM5, classVisitor) {12            public MethodVisitor visitMethod(int access, String name, String descriptor, String signature, String[] exceptions) {13                MethodVisitor methodVisitor = super.visitMethod(access, name, descriptor, signature, exceptions);14                return new MethodVisitor(Opcodes.ASM5, methodVisitor) {15                    public void visitMethodInsn(int opcode, String owner, String name, String descriptor, boolean isInterface) {16                        if (opcode == Opcodes.INVOKESPECIAL && name.equals(methodName)) {17                            if (descriptor.equals(methodParameterTypes[0])) {18                                for (int i = 1; i < methodParameterTypes.length; i++) {19                                    visitVarInsn(Opcodes.ALOAD, i);20                                    visitFieldInsn(Opcodes.GETFIELD, "java/lang/Integer", "value", "I");21                                    visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/String", "valueOf", "(I)Ljava/lang/String;", false);22                                    visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/System", "out", "(Ljava/lang/String;)V", false);23                                }24                            }25                        }26                        super.visitMethodInsn(opcode, owner, name, descriptor, isInterface);27                    }28                };29            }30        };31    }32}33public class ParameterWritingVisitorWrapper implements ByteBuddyClassVisitorWrapper {34    private final File file;35    private final String methodName;36    private final String[] methodParameterTypes;

ParameterWritingVisitorWrapper

Using AI Code Generation

1import net.bytebuddy.ByteBuddy;2import net.bytebuddy.description.method.MethodDescription;3import net.bytebuddy.description.method.ParameterList;4import net.bytebuddy.description.type.TypeDescription;5import net.bytebuddy.dynamic.DynamicType;6import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;7import net.bytebuddy.implementation.MethodDelegation;8import net.bytebuddy.implementation.bind.annotation.*;9import net.bytebuddy.matcher.ElementMatchers;10import net.bytebuddy.utility.JavaModule;11import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator;12import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor;13import org.mockito.internal.invocation.*;14import org.mockito.invocation.*;15import org.mockito.mock.*;16import org.mockito.plugins.*;17import org.mockito.stubbing.*;18import java.io.*;19import java.lang.reflect.*;20import java.util.*;21public class ParameterWritingVisitorWrapper implements MockMaker, Plugin {22    public static final String FILE_NAME = "mocked_parameters.txt";23    public MockHandlerFactory getHandlerFactory() {24        return new MockHandlerFactory() {25            public MockHandler create(MockCreationSettings<?> settings, MockHandler handler) {26                return new MockHandler() {27                    public Object handle(Invocation invocation) throws Throwable {28                        if (invocation instanceof MockMethodInvocation) {29                            MockMethodInvocation mockMethodInvocation = (MockMethodInvocation) invocation;30                            Method method = mockMethodInvocation.getMethod();31                            Object[] arguments = mockMethodInvocation.getArguments();32                            writeParametersToFile(method, arguments);33                        }34                        return handler.handle(invocation);35                    }36                };37            }38        };39    }40    private void writeParametersToFile(Method method, Object[] arguments) {41        try (FileWriter fileWriter = new FileWriter(FILE_NAME, true);42             BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);43             PrintWriter printWriter = new PrintWriter(bufferedWriter)) {44            printWriter.println("Method: " + method.getName());45            for (int i = 0; i < arguments.length; i++) {46                printWriter.println("Parameter " + i + ": " + arguments[i]);47            }48            printWriter.println();49        } catch (IOException e) {50            e.printStackTrace();51        }52    }53    public TypeMockability isTypeMockable(TypeDescription typeDescription) {

ParameterWritingVisitorWrapper

Using AI Code Generation

1import static net.bytebuddy.matcher.ElementMatchers.named;2import static net.bytebuddy.matcher.ElementMatchers.takesArguments;3import java.io.File;4import java.io.FileOutputStream;5import java.io.IOException;6import java.io.OutputStream;7import net.bytebuddy.ByteBuddy;8import net.bytebuddy.description.method.MethodDescription;9import net.bytebuddy.description.type.TypeDescription;10import net.bytebuddy.dynamic.DynamicType;11import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;12import net.bytebuddy.implementation.FixedValue;13import net.bytebuddy.implementation.MethodDelegation;14import net.bytebuddy.implementation.bind.annotation.RuntimeType;15import net.bytebuddy.implementation.bind.annotation.SuperCall;16import net.bytebuddy.implementation.bind.annotation.This;17import net.bytebuddy.matcher.ElementMatcher;18import net.bytebuddy.utility.JavaModule;19import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator;20import org.mockito.invocation.InvocationOnMock;21import org.mockito.stubbing.Answer;22public class ByteBuddyTest {23    public static void main(String[] args) throws Exception {24        DynamicType.Unloaded<?> dynamicType = new ByteBuddy()25                .subclass(Object.class)26                .name("com.example.Foo")27                .method(ElementMatchers.named("toString"))28                .intercept(FixedValue.value("Hello World!"))29                .method(ElementMatchers.named("equals"))30                .intercept(MethodDelegation.to(EqualsInterceptor.class))31                .make();32        Class<?> type = dynamicType.load(ByteBuddyTest.class.getClassLoader(),33                ClassLoadingStrategy.Default.WRAPPER).getLoaded();34        File file = new File(type.getSimpleName() + ".class");35        OutputStream os = new FileOutputStream(file);36        InlineBytecodeGenerator.ParameterWritingVisitorWrapper visitorWrapper = new InlineBytecodeGenerator.ParameterWritingVisitorWrapper(os);37        dynamicType.accept(visitorWrapper);38        os.close();39        Object foo = type.newInstance();40        System.out.println(foo);

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