How to use writeReplace method of org.mockito.internal.invocation.mockref.MockStrongReference class

Best Mockito code snippet using org.mockito.internal.invocation.mockref.MockStrongReference.writeReplace

Source:MockWeakReference.java Github

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...13 private final WeakReference<T> ref;14 public MockWeakReference(T t) {15 this.ref = new WeakReference<T>(t);16 }17 private Object writeReplace() throws ObjectStreamException {18 return new MockStrongReference<T>(get(), true);19 }20 @Override21 public T get() {22 T ref = this.ref.get();23 if (ref == null) {24 throw new IllegalStateException("The mock object was garbage collected. " +25 "This should not happen in normal circumstances when using public API. " +26 "Typically, the test class keeps strong reference to the mock object " +27 "and it prevents getting the mock collected. Mockito internally needs " +28 "to keep weak references to mock objects to avoid memory leaks for " +29 "certain types of MockMaker implementations. If you see this exception " +30 "using Mockito public API, please file a bug. For more information see " +31 "issue #1313.");...

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writeReplace

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1public class MockStrongReference implements Serializable {2private static final long serialVersionUID = 1L;3private final Object mock;4public MockStrongReference(Object mock) {5this.mock = mock;6}7public Object get() {8return mock;9}10private Object writeReplace() throws ObjectStreamException {11return new MockStrongReference(mock);12}13}14public class MockWeakReference implements Serializable {15private static final long serialVersionUID = 1L;16private final WeakReference<Object> mock;17public MockWeakReference(Object mock) {18this.mock = new WeakReference<Object>(mock);19}20public Object get() {21return mock.get();22}23private Object writeReplace() throws ObjectStreamException {24return new MockWeakReference(mock.get());25}26}27public class MockSoftReference implements Serializable {28private static final long serialVersionUID = 1L;29private final SoftReference<Object> mock;30public MockSoftReference(Object mock) {31this.mock = new SoftReference<Object>(mock);32}33public Object get() {34return mock.get();35}36private Object writeReplace() throws ObjectStreamException {37return new MockSoftReference(mock.get());38}39}40public class MockPhantomReference implements Serializable {41private static final long serialVersionUID = 1L;42private final PhantomReference<Object> mock;43public MockPhantomReference(Object mock) {44this.mock = new PhantomReference<Object>(mock, null);45}46public Object get() {47return mock.get();48}49private Object writeReplace() throws ObjectStreamException {50return new MockPhantomReference(mock.get());51}52}53public class MockCleanerReference implements Serializable {54private static final long serialVersionUID = 1L;55private final Object mock;56public MockCleanerReference(Object mock) {57this.mock = mock;58}59public Object get() {60return mock;61}62private Object writeReplace() throws ObjectStreamException {63return new MockCleanerReference(mock);64}65}

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writeReplace

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1public class MockStrongReferenceTest {2 public static void main(String[] args) throws Exception {3 MockStrongReferenceTest test = new MockStrongReferenceTest();4 test.testMockStrongReference();5 }6 public void testMockStrongReference() throws Exception {7 MockStrongReference mockStrongReference = new MockStrongReference(mock(MockStrongReferenceTest.class));8 Method writeReplaceMethod = mockStrongReference.getClass().getDeclaredMethod("writeReplace");9 writeReplaceMethod.setAccessible(true);10 Object proxy = writeReplaceMethod.invoke(mockStrongReference);11 System.out.println(proxy.getClass());12 }13}14[main] INFO org.mockito.internal.creation.bytebuddy.ByteBuddyMockMaker - [Mockito] Using constructor Ctor{parameterTypes=[org.mockito.internal.invocation.mockref.MockStrongReferenceTest$MockStrongReferenceTest$$EnhancerByMockitoWithCGLIB$$e6e0b6c7], visibility=PUBLIC}15[main] INFO org.mockito.internal.creation.bytebuddy.ByteBuddyMockMaker - [Mockito] Using constructor Ctor{parameterTypes=[org.mockito.internal.invocation.mockref.MockStrongReferenceTest$MockStrongReferenceTest$$EnhancerByMockitoWithCGLIB$$e6e0b6c7], visibility=PUBLIC}16[main] INFO org.mockito.internal.creation.bytebuddy.ByteBuddyMockMaker - [Mockito] Using constructor Ctor{parameterTypes=[org.mockito.internal.invocation.mockref.MockStrongReferenceTest$MockStrongReferenceTest$$EnhancerByMockitoWithCGLIB$$e6e0b6c7], visibility=PUBLIC}

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writeReplace

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1package com.example;2import org.mockito.internal.invocation.mockref.MockStrongReference;3import org.mockito.invocation.MockHandler;4import org.mockito.invocation.MockHandlerFactory;5import org.mockito.mock.MockCreationSettings;6import org.mockito.plugins.MockMaker;7import org.mockito.plugins.MockMaker.TypeMockability;8import java.io.*;9import java.lang.reflect.InvocationHandler;10import java.lang.reflect.Method;11import java.lang.reflect.Proxy;12import java.util.*;13public class MockMakerTest {14 public static void main(String[] args) throws Exception {15 MockMaker mockMaker = new TestMockMaker();16 ClassLoader classLoader = MockMakerTest.class.getClassLoader();17 MockCreationSettings mockCreationSettings = new MockCreationSettings() {18 public Class<?> getTypeToMock() {19 return MockMakerTest.class;20 }21 public Set<MockHandlerFactory> getExtraInterfaces() {22 return Collections.emptySet();23 }24 public MockHandler getMockHandler() {25 return null;26 }27 public MockCreationSettings withTypeToMock(Class<?> clazz) {28 return null;29 }30 public MockCreationSettings withExtraInterfaces(Set<Class<?>> extraInterfaces) {31 return null;32 }33 public MockCreationSettings withMockHandler(MockHandler mockHandler) {34 return null;35 }36 };37 MockHandler mockHandler = new MockHandler() {38 public Object handle(Invocation invocation) throws Throwable {39 return null;40 }41 };42 Object mock = mockMaker.createMock(mockCreationSettings, mockHandler);43 System.out.println(mock);44 }45}46class TestMockMaker implements MockMaker {47 public MockHandler getHandler(Object mock) {48 return null;49 }50 public void setHandler(Object mock, MockHandler handler) {51 }52 public TypeMockability isTypeMockable(Class<?> type) {53 return null;54 }55 public <T> T createMock(MockCreationSettings<T> settings, MockHandler handler) {56 try {57 MockStrongReference mockStrongReference = new MockStrongReference(handler, settings.getTypeToMock());58 MockReference mockReference = (MockReference) mockStrongReference

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writeReplace

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1import java.io.*;2import java.lang.reflect.*;3import org.mockito.*;4import org.mockito.internal.invocation.mockref.*;5public class TestMockitoMockReference {6 public static void main(String[] args) throws Exception {7 Object mock = Mockito.mock(Object.class);8 Method writeReplaceMethod = MockStrongReference.class.getDeclaredMethod("writeReplace");9 writeReplaceMethod.setAccessible(true);10 Object mockReference = writeReplaceMethod.invoke(new MockStrongReference(mock));11 ByteArrayOutputStream baos = new ByteArrayOutputStream();12 ObjectOutputStream oos = new ObjectOutputStream(baos);13 oos.writeObject(mockReference);14 oos.close();15 ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());16 ObjectInputStream ois = new ObjectInputStream(bais);17 Object deserializedMockReference = ois.readObject();18 ois.close();19 Method readResolveMethod = MockWeakReference.class.getDeclaredMethod("readResolve");20 readResolveMethod.setAccessible(true);21 Object deserializedMock = readResolveMethod.invoke(deserializedMockReference);22 System.out.println(deserializedMock.toString());23 }24}

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writeReplace

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1import org.apache.commons.lang3.SerializationUtils2import org.junit.Test3import org.junit.runner.RunWith4import org.mockito.Mock5import org.mockito.junit.MockitoJUnitRunner6import spock.lang.Specification7@RunWith(MockitoJUnitRunner::class)8class TestMockitoSerialization extends Specification {9 void testMockObject() {10 def mockObject = SerializationUtils.clone(this.mockObject)11 }12}13 at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.lambda$executeIfValid$1(ExecuteActionsTaskExecuter.java:205)14 at org.gradle.internal.Try$Failure.ifSuccessfulOrElse(Try.java:268)15 at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeIfValid(ExecuteActionsTaskExecuter.java:203)

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