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

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

Source:ByteBuddyCrossClassLoaderSerializationSupport.java

...212     *     This specifically crafted ObjectInoutStream has the most important role to resolve the Mockito generated213     *     class. It is doing so via the {@link #resolveClass(ObjectStreamClass)} which looks in the stream214     *     for a Mockito marker. If this marker is found it will try to resolve the mockito class otherwise it215     *     delegates class resolution to the default super behavior.216     *     The mirror method used for serializing the mock is {@link MockitoMockObjectOutputStream#annotateClass(Class)}.217     * </p>218     * <p/>219     * <p>220     *     When this marker is found, {@link ByteBuddyMockMaker#createProxyClass(MockFeatures)} methods are being used221     *     to create the mock class.222     * </p>223     */224    public static class MockitoMockObjectInputStream extends ObjectInputStream {225        private final Class typeToMock;226        private final Set<Class> extraInterfaces;227        public MockitoMockObjectInputStream(InputStream in, Class typeToMock, Set<Class> extraInterfaces) throws IOException {228            super(in);229            this.typeToMock = typeToMock;230            this.extraInterfaces = extraInterfaces;231            enableResolveObject(true); // ensure resolving is enabled232        }233        /**234         * Resolve the Mockito proxy class if it is marked as such.235         * <p/>236         * <p>Uses the fields {@link #typeToMock} and {@link #extraInterfaces} to237         * create the Mockito proxy class as the <code>ObjectStreamClass</code>238         * doesn't carry useful information for this purpose.</p>239         *240         * @param desc Description of the class in the stream, not used.241         * @return The class that will be used to deserialize the instance mock.242         * @throws java.io.IOException243         * @throws ClassNotFoundException244         */245        @Override246        protected Class<?> resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {247            if (notMarkedAsAMockitoMock(readObject())) {248                return super.resolveClass(desc);249            }250            // TODO check the class is mockable in the deserialization side251            // create the Mockito mock class before it can even be deserialized252            Class<?> proxyClass = ((ByteBuddyMockMaker) Plugins.getMockMaker())253                    .createProxyClass(withMockFeatures(typeToMock, extraInterfaces, true));254            hackClassNameToMatchNewlyCreatedClass(desc, proxyClass);255            return proxyClass;256        }257        /**258         * Hack the <code>name</code> field of the given <code>ObjectStreamClass</code> with259         * the <code>newProxyClass</code>.260         * <p/>261         * The parent ObjectInputStream will check the name of the class in the stream matches the name of the one262         * that is created in this method.263         * <p/>264         * The CGLIB classes uses a hash of the classloader and/or maybe some other data that allow them to be265         * relatively unique in a JVM.266         * <p/>267         * When names differ, which happens when the mock is deserialized in another ClassLoader, a268         * <code>java.io.InvalidObjectException</code> is thrown, so this part of the code is hacking through269         * the given <code>ObjectStreamClass</code> to change the name with the newly created class.270         *271         * @param descInstance The <code>ObjectStreamClass</code> that will be hacked.272         * @param proxyClass   The proxy class whose name will be applied.273         * @throws java.io.InvalidObjectException274         */275        private void hackClassNameToMatchNewlyCreatedClass(ObjectStreamClass descInstance, Class<?> proxyClass) throws ObjectStreamException {276            try {277                Field classNameField = descInstance.getClass().getDeclaredField("name");278                new FieldSetter(descInstance, classNameField).set(proxyClass.getCanonicalName());279            } catch (NoSuchFieldException nsfe) {280                throw new MockitoSerializationIssue(join(281                        "Wow, the class 'ObjectStreamClass' in the JDK don't have the field 'name',",282                        "this is definitely a bug in our code as it means the JDK team changed a few internal things.",283                        "",284                        "Please report an issue with the JDK used, a code sample and a link to download the JDK would be welcome."285                ), nsfe);286            }287        }288        /**289         * Read the stream class annotation and identify it as a Mockito mock or not.290         *291         * @param marker The marker to identify.292         * @return <code>true</code> if not marked as a Mockito, <code>false</code> if the class annotation marks a Mockito mock.293         * @throws java.io.IOException294         * @throws ClassNotFoundException295         */296        private boolean notMarkedAsAMockitoMock(Object marker) throws IOException, ClassNotFoundException {297            return !MOCKITO_PROXY_MARKER.equals(marker);298        }299    }300    /**301     * Special Mockito aware <code>ObjectOutputStream</code>.302     * <p/>303     * <p>304     * This output stream has the role of marking in the stream the Mockito class. This305     * marking process is necessary to identify the proxy class that will need to be recreated.306     * <p/>307     * The mirror method used for deserializing the mock is308     * {@link MockitoMockObjectInputStream#resolveClass(ObjectStreamClass)}.309     * </p>310     */311    private static class MockitoMockObjectOutputStream extends ObjectOutputStream {312        private static final String NOTHING = "";313        public MockitoMockObjectOutputStream(ByteArrayOutputStream out) throws IOException {314            super(out);315        }316        /**317         * Annotates (marks) the class if this class is a Mockito mock.318         *319         * @param cl The class to annotate.320         * @throws java.io.IOException321         */322        @Override323        protected void annotateClass(Class<?> cl) throws IOException {324            writeObject(mockitoProxyClassMarker(cl));325            // might be also useful later, for embedding classloader info ...maybe ...maybe not326        }327        /**328         * Returns the Mockito marker if this class is a Mockito mock.329         *330         * @param cl The class to mark.331         * @return The marker if this is a Mockito proxy class, otherwise returns a void marker.332         */333        private String mockitoProxyClassMarker(Class<?> cl) {334            if (CrossClassLoaderSerializableMock.class.isAssignableFrom(cl)) {335                return MOCKITO_PROXY_MARKER;336            } else {337                return NOTHING;...

annotateClass

Using AI Code Generation

1import org.mockito.Mockito2import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor3import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.*4import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator5import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.*6import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator7import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator.*8import org.mockito.internal.creation.bytebuddy.MockFeatures9import org.mockito.internal.creation.bytebuddy.MockFeatures.*10import org.mockito.internal.creation.bytebuddy.SubclassBytecodeGenerator11import org.mockito.internal.creation.bytebuddy.SubclassBytecodeGenerator.*12import org.mockito.internal.creation.bytebuddy.SubclassBytecodeGenerator.CacheMode.*13import org.mockito.internal.creation.bytebuddy.SubclassBytecodeGenerator.TypeMockability.*14import org.mockito.internal.creation.bytebuddy.SubclassBytecodeGenerator.TypeMockability.*15import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.CacheMode.*16import org.mockito.internal.creation.bytebuddy.TypeCachingB

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