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How to use CrossClassLoaderSerializationProxy method of org.mockito.internal.creation.bytebuddy.MockMethodInterceptor class

Best Mockito code snippet using org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.CrossClassLoaderSerializationProxy

Source:ByteBuddyCrossClassLoaderSerializationSupport.java

...79     *         {@link CrossClassLoaderSerializableMock}.</p>80     *     </li>81     *     <li>82     *         <p>Now, in the constructor83     *         {@link CrossClassLoaderSerializationProxy#CrossClassLoaderSerializationProxy(java.lang.Object)}84     *         the mock is being serialized in a custom way (using {@link MockitoMockObjectOutputStream}) to a85     *         byte array. So basically it means the code is performing double nested serialization of the passed86     *         <code>mockitoMock</code>.</p>87     *88     *         <p>However the <code>ObjectOutputStream</code> will still detect the custom89     *         <code>writeReplace</code> and execute it.90     *         <em>(For that matter disabling replacement via {@link ObjectOutputStream#enableReplaceObject(boolean)}91     *         doesn't disable the <code>writeReplace</code> call, but just just toggle replacement in the92     *         written stream, <strong><code>writeReplace</code> is always called by93     *         <code>ObjectOutputStream</code></strong>.)</em></p>94     *95     *         <p>In order to avoid this recursion, obviously leading to a {@link StackOverflowError}, this method is using96     *         a flag that marks the mock as already being replaced, and then shouldn't replace itself again.97     *         <strong>This flag is local to this class</strong>, which means the flag of this class unfortunately needs98     *         to be protected against concurrent access, hence the reentrant lock.</p>99     *     </li>100     * </ol>101     *102     * @param mockitoMock The Mockito mock to be serialized.103     * @return A wrapper ({@link CrossClassLoaderSerializationProxy}) to be serialized by the calling ObjectOutputStream.104     * @throws java.io.ObjectStreamException105     */106    public Object writeReplace(Object mockitoMock) throws ObjectStreamException {107        // reentrant lock for critical section. could it be improved ?108        mutex.lock();109        try {110            // mark started flag // per thread, not per instance111            // temporary loosy hack to avoid stackoverflow112            if (mockIsCurrentlyBeingReplaced()) {113                return mockitoMock;114            }115            mockReplacementStarted();116            return new CrossClassLoaderSerializationProxy(mockitoMock);117        } catch (IOException ioe) {118            MockUtil mockUtil = new MockUtil();119            MockName mockName = mockUtil.getMockName(mockitoMock);120            String mockedType = mockUtil.getMockSettings(mockitoMock).getTypeToMock().getCanonicalName();121            throw new MockitoSerializationIssue(join(122                    "The mock '" + mockName + "' of type '" + mockedType + "'",123                    "The Java Standard Serialization reported an '" + ioe.getClass().getSimpleName() + "' saying :",124                    "  " + ioe.getMessage()125            ), ioe);126        } finally {127            // unmark128            mockReplacementCompleted();129            mutex.unlock();130        }131    }132    private void mockReplacementCompleted() {133        instanceLocalCurrentlySerializingFlag = false;134    }135    private void mockReplacementStarted() {136        instanceLocalCurrentlySerializingFlag = true;137    }138    private boolean mockIsCurrentlyBeingReplaced() {139        return instanceLocalCurrentlySerializingFlag;140    }141    /**142     * This is the serialization proxy that will encapsulate the real mock data as a byte array.143     * <p/>144     * <p>When called in the constructor it will serialize the mock in a byte array using a145     * custom {@link MockitoMockObjectOutputStream} that will annotate the mock class in the stream.146     * Other information are used in this class in order to facilitate deserialization.147     * </p>148     * <p/>149     * <p>Deserialization of the mock will be performed by the {@link #readResolve()} method via150     * the custom {@link MockitoMockObjectInputStream} that will be in charge of creating the mock class.</p>151     */152    public static class CrossClassLoaderSerializationProxy implements Serializable {153        private static final long serialVersionUID = -7600267929109286514L;154        private final byte[] serializedMock;155        private final Class typeToMock;156        private final Set<Class> extraInterfaces;157        /**158         * Creates the wrapper that be used in the serialization stream.159         *160         * <p>Immediately serializes the Mockito mock using specifically crafted {@link MockitoMockObjectOutputStream},161         * in a byte array.</p>162         *163         * @param mockitoMock The Mockito mock to serialize.164         * @throws java.io.IOException165         */166        public CrossClassLoaderSerializationProxy(Object mockitoMock) throws IOException {167            ByteArrayOutputStream out = new ByteArrayOutputStream();168            ObjectOutputStream objectOutputStream = new MockitoMockObjectOutputStream(out);169            objectOutputStream.writeObject(mockitoMock);170            objectOutputStream.close();171            out.close();172            MockCreationSettings mockSettings = new MockUtil().getMockSettings(mockitoMock);173            this.serializedMock = out.toByteArray();174            this.typeToMock = mockSettings.getTypeToMock();175            this.extraInterfaces = mockSettings.getExtraInterfaces();176        }177        /**178         * Resolves the proxy to a new deserialized instance of the Mockito mock.179         * <p/>180         * <p>Uses the custom crafted {@link MockitoMockObjectInputStream} to deserialize the mock.</p>...

CrossClassLoaderSerializationProxy

Using AI Code Generation

1import net.bytebuddy.ByteBuddy;2import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;3import net.bytebuddy.implementation.FixedValue;4import net.bytebuddy.implementation.MethodDelegation;5import net.bytebuddy.matcher.ElementMatchers;6import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor;7import org.mockito.invocation.MockHandler;8import org.mockito.mock.MockCreationSettings;9import java.io.Serializable;10import java.lang.reflect.Constructor;11import java.lang.reflect.InvocationTargetException;12import java.lang.reflect.Method;13public class ByteBuddyMockito {14    public static <T> T mock(Class<T> type, ClassLoader classLoader) {15        return (T) new ByteBuddy()16                .subclass(type)17                .method(ElementMatchers.isDeclaredBy(type))18                .intercept(MethodDelegation.to(MockMethodInterceptor.class))19                .make()20                .load(classLoader, ClassLoadingStrategy.Default.WRAPPER)21                .getLoaded()22                .getConstructors()[0]23                .newInstance(new MockMethodInterceptor(getMockHandler(type, classLoader)));24    }25    private static MockHandler getMockHandler(Class<?> type, ClassLoader classLoader) {26        try {27            Class<?> mockCreationSettings = classLoader.loadClass(MockCreationSettings.class.getName());28            Class<?> mockHandler = classLoader.loadClass(MockHandler.class.getName());29            Method of = mockCreationSettings.getMethod("of", Class.class);30            Constructor<?> constructor = mockHandler.getConstructor(mockCreationSettings);31            return (MockHandler) constructor.newInstance(of.invoke(null, type));32        } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException | InvocationTargetException | InstantiationException e) {33            throw new RuntimeException(e);34        }35    }36}37Mockito.mock(MyClass.class, new CrossClassLoaderSerializationProxy(MyClass.class.getClassLoader()).createProxy());

CrossClassLoaderSerializationProxy

Using AI Code Generation

1import com.sun.jdi.*;2import com.sun.jdi.connect.*;3import java.util.*;4import java.util.concurrent.*;5import java.util.concurrent.atomic.*;6import java.util.concurrent.locks.*;7import java.util.function.*;8import java.util.stream.*;9import java.util.stream.Collectors.*;10import java.util.stream.IntStream.*;11import java.util.stream.Stream.*;12import java.util.stream.StreamSupport.*;13import java.util.stream.DoubleStream.*;14import java.util.stream.LongStream.*;15import java.util.stream.IntStream.*;16import java.util.stream.LongStream.*;17import java.util.stream.DoubleStream.*;18import java.util.stream.StreamSupport.*;19import java.util.stream.Collectors.*;20import java.util.stream.Stream.*;21import java.util.stream.IntStream.*;22import java.util.stream.DoubleStream.*;23import java.util.stream.LongStream.*;24import java.util.stream.StreamSupport.*;25import java.util.stream.Collectors.*;26import java.util.stream.Stream.*;27import java.util.stream.IntStream.*;28import java.util.stream.DoubleStream.*;29import java.util.stream.LongStream.*;30import java.util.stream.StreamSupport.*;31import java.util.stream.Collectors.*;32import java.util.stream.Stream.*;33import java.util.stream.IntStream.*;34import java.util.stream.DoubleStream.*;35import java.util.stream.LongStream.*;36import java.util.stream.StreamSupport.*;37import java.util.stream.Collectors.*;38import java.util.stream.Stream.*;39import java.util.stream.IntStream.*;40import java.util.stream.DoubleStream.*;41import java.util.stream.LongStream.*;42import java.util.stream.StreamSupport.*;43import java.util.stream.Collectors.*;44import java.util.stream.Stream.*;45import java.util.stream.IntStream.*;46import java.util.stream.DoubleStream.*;47import java.util.stream.LongStream.*;48import java.util.stream.StreamSupport.*;49import java.util.stream.Collectors.*;50import java.util.stream.Stream.*;51import java.util.stream.IntStream.*;52import java.util.stream.DoubleStream.*;53import java.util.stream.LongStream.*;54import java.util.stream.StreamSupport.*;55import java.util.stream.Collectors.*;56import java.util.stream.Stream.*;57import java.util.stream.IntStream.*;58import java.util.stream.DoubleStream.*;59import java.util.stream.LongStream.*;60import java.util.stream.StreamSupport.*;61import java.util.stream.Collectors.*;62import java.util.stream.Stream.*;63import java.util.stream.IntStream.*;64import java.util.stream.DoubleStream.*;65import java.util.stream.LongStream.*;66import java.util.stream.StreamSupport.*;67import java.util.stream.Collectors.*;68import java.util.stream.Stream.*;69import java.util.stream.IntStream.*;70import java.util.stream.DoubleStream.*;71import java.util.stream.LongStream.*;72import java.util.stream.StreamSupport.*;73import java.util.stream.Collectors.*;74import java.util.stream.Stream.*;75import java.util.stream.IntStream

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