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

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

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...87 objArr[1] = ToolProvider.getSystemJavaCompiler() == null ? "Are you running a JRE instead of a JDK? The inline mock maker needs to be run on a JDK.\n" : "";88 objArr[2] = Platform.describe();89 throw new MockitoInitializationException(StringUtil.join(objArr), INITIALIZATION_ERROR);90 }91 this.bytecodeGenerator = new TypeCachingBytecodeGenerator(new InlineBytecodeGenerator(INSTRUMENTATION, this.mocks), true);92 }93 public <T> T createMock(MockCreationSettings<T> mockCreationSettings, MockHandler mockHandler) {94 Class<? extends T> createMockType = createMockType(mockCreationSettings);95 try {96 T newInstance = Plugins.getInstantiatorProvider().getInstantiator(mockCreationSettings).newInstance(createMockType);97 MockMethodInterceptor mockMethodInterceptor = new MockMethodInterceptor(mockHandler, mockCreationSettings);98 this.mocks.put(newInstance, mockMethodInterceptor);99 if (newInstance instanceof MockAccess) {100 ((MockAccess) newInstance).setMockitoInterceptor(mockMethodInterceptor);101 }102 return newInstance;103 } catch (InstantiationException e) {104 throw new MockitoException("Unable to create mock instance of type '" + createMockType.getSimpleName() + "'", e);105 }106 }107 public <T> Class<? extends T> createMockType(MockCreationSettings<T> mockCreationSettings) {108 try {109 return this.bytecodeGenerator.mockClass(MockFeatures.withMockFeatures(mockCreationSettings.getTypeToMock(), mockCreationSettings.getExtraInterfaces(), mockCreationSettings.getSerializableMode(), mockCreationSettings.isStripAnnotations()));110 } catch (Exception e) {111 throw prettifyFailure(mockCreationSettings, e);112 }113 }114 private <T> RuntimeException prettifyFailure(MockCreationSettings<T> mockCreationSettings, Exception exc) {115 String str;116 Exception exc2 = exc;117 if (mockCreationSettings.getTypeToMock().isArray()) {118 throw new MockitoException(StringUtil.join("Arrays cannot be mocked: " + mockCreationSettings.getTypeToMock() + ".", ""), exc2);119 } else if (Modifier.isFinal(mockCreationSettings.getTypeToMock().getModifiers())) {120 throw new MockitoException(StringUtil.join("Mockito cannot mock this class: " + mockCreationSettings.getTypeToMock() + ".", "Can not mock final classes with the following settings :", " - explicit serialization (e.g. withSettings().serializable())", " - extra interfaces (e.g. withSettings().extraInterfaces(...))", "", "You are seeing this disclaimer because Mockito is configured to create inlined mocks.", "You can learn about inline mocks and their limitations under item #39 of the Mockito class javadoc.", "", "Underlying exception : " + exc2), exc2);121 } else if (!Modifier.isPrivate(mockCreationSettings.getTypeToMock().getModifiers())) {122 Object[] objArr = new Object[11];123 objArr[0] = "Mockito cannot mock this class: " + mockCreationSettings.getTypeToMock() + ".";124 objArr[1] = "";125 objArr[2] = "If you're not sure why you're getting this error, please report to the mailing list.";126 objArr[3] = "";127 if (Platform.isJava8BelowUpdate45()) {128 str = "Java 8 early builds have bugs that were addressed in Java 1.8.0_45, please update your JDK!\n";129 } else {130 str = "";131 }132 objArr[4] = Platform.warnForVM("IBM J9 VM", "Early IBM virtual machine are known to have issues with Mockito, please upgrade to an up-to-date version.\n", "Hotspot", str);133 objArr[5] = Platform.describe();134 objArr[6] = "";135 objArr[7] = "You are seeing this disclaimer because Mockito is configured to create inlined mocks.";136 objArr[8] = "You can learn about inline mocks and their limitations under item #39 of the Mockito class javadoc.";137 objArr[9] = "";138 objArr[10] = "Underlying exception : " + exc2;139 throw new MockitoException(StringUtil.join(objArr), exc2);140 } else {141 throw new MockitoException(StringUtil.join("Mockito cannot mock this class: " + mockCreationSettings.getTypeToMock() + ".", "Most likely it is a private class that is not visible by Mockito", "", "You are seeing this disclaimer because Mockito is configured to create inlined mocks.", "You can learn about inline mocks and their limitations under item #39 of the Mockito class javadoc.", ""), exc2);142 }143 }144 public MockHandler getHandler(Object obj) {145 MockMethodInterceptor mockMethodInterceptor = this.mocks.get(obj);146 if (mockMethodInterceptor == null) {147 return null;148 }149 return mockMethodInterceptor.handler;150 }151 public void resetMock(Object obj, MockHandler mockHandler, MockCreationSettings mockCreationSettings) {152 MockMethodInterceptor mockMethodInterceptor = new MockMethodInterceptor(mockHandler, mockCreationSettings);153 this.mocks.put(obj, mockMethodInterceptor);154 if (obj instanceof MockAccess) {155 ((MockAccess) obj).setMockitoInterceptor(mockMethodInterceptor);156 }157 }158 public void clearMock(Object obj) {159 this.mocks.remove(obj);160 }161 public void clearAllMocks() {162 this.mocks.clear();163 }164 public MockMaker.TypeMockability isTypeMockable(final Class<?> cls) {165 return new MockMaker.TypeMockability() {166 public boolean mockable() {167 return InlineByteBuddyMockMaker.INSTRUMENTATION.isModifiableClass(cls) && !InlineBytecodeGenerator.EXCLUDES.contains(cls);168 }169 public String nonMockableReason() {170 if (mockable()) {171 return "";172 }173 if (cls.isPrimitive()) {174 return "primitive type";175 }176 return InlineBytecodeGenerator.EXCLUDES.contains(cls) ? "Cannot mock wrapper types, String.class or Class.class" : "VM does not not support modification of given type";177 }178 };179 }180}...

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1diff --git a/​src/​main/​java/​org/​mockito/​internal/​creation/​bytebuddy/​InlineBytecodeGenerator.java b/​src/​main/​java/​org/​mockito/​internal/​creation/​bytebuddy/​InlineBytecodeGenerator.java2index 44afd0d..1301d3e 1006443--- a/​src/​main/​java/​org/​mockito/​internal/​creation/​bytebuddy/​InlineBytecodeGenerator.java4+++ b/​src/​main/​java/​org/​mockito/​internal/​creation/​bytebuddy/​InlineBytecodeGenerator.java5@@ -208,7 +208,7 @@6 }7 }8 for (Object module : modules) {9- REDEFINE_MODULE.invoke(module, Collections.singleton(target),10+ REDEFINE_MODULE.invoke(instrumentation, module, Collections.singleton(target),11 Collections.emptyMap(), Collections.emptyMap(), Collections.emptySet(), Collections.emptyMap());12 }13 } catch (Exception e) {...

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InlineBytecodeGenerator

Using AI Code Generation

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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.mock.MockCreationSettings;7import org.mockito.plugins.MockMaker;8import java.lang.reflect.Method;9import java.util.Map;10import java.util.concurrent.ConcurrentHashMap;11import static org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.serializeMethod;12public class InlineByteCodeGeneratorMockMaker implements MockMaker {13 private final Map<Class<?>, MockMethodInterceptor> mockMethodInterceptors = new ConcurrentHashMap<Class<?>, MockMethodInterceptor>();14 @SuppressWarnings("unchecked")15 public <T> T createMock(MockCreationSettings<T> settings, MockMethodInterceptor mockMethodInterceptor) {16 Enhancer enhancer = new Enhancer();17 enhancer.setSuperclass(settings.getTypeToMock());18 enhancer.setCallback(mockMethodInterceptor);19 return (T) enhancer.create();20 }21 public MockMethodInterceptor getHandler(Object mock) {22 return mockMethodInterceptors.get(mock.getClass());23 }24 public void resetMock(Object mock, MockMethodInterceptor mockMethodInterceptor, MockCreationSettings settings) {25 mockMethodInterceptors.put(mock.getClass(), mockMethodInterceptor);26 }27 public TypeMockability isTypeMockable(Class<?> type) {28 return new TypeMockability() {29 public boolean mockable() {30 return true;31 }32 };33 }34 public void mockStatic(Class<?> type) {35 }36 public void unmockStatic(Class<?> type) {37 }38 public void resetMock(Object mock, MockMethodInterceptor mockMethodInterceptor, MockCreationSettings settings, boolean b) {39 mockMethodInterceptors.put(mock.getClass(), mockMethodInterceptor);40 }41}42import net.bytebuddy.ByteBuddy;43import net.bytebuddy.description.modifier.Visibility;44import net.bytebuddy.dynamic.DynamicType;45import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;46import net.bytebuddy.implementation.MethodDelegation;47import net.bytebuddy.matcher.ElementMatchers;48import org.mockito.cglib.proxy.Enhancer;49import org.mockito.cglib.proxy.MethodInterceptor;50import org.mockito.cglib.proxy.MethodProxy;51import

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InlineBytecodeGenerator

Using AI Code Generation

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1import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator;2import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor;3import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.DispatcherDefaultingToRealMethod;4import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.ForFixedValue;5import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.ForObjectMethods;6import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.ForSerializableInterface;7import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.ForSerializableInterface.WithCustomAnswer;8import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.ForVarargsMethod;9import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.ForVarargsMethod.WithCustomAnswer;10import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor.WithCustomAnswer;11import org.mockito.internal.creation.bytebuddy.SubclassBytecodeGenerator;12import org.mockito.internal.creation.bytebuddy.SubclassBytecodeGenerator.ClassLoadingStrategyProvider;13import org.mockito.internal.creation.bytebuddy.SubclassBytecodeGenerator.MockFeatures;14import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator;15import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.CacheProvider;16import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.CachedBytecodeGenerator;17import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.CachedBytecodeGeneratorProvider;18import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.CachedTypeInitializer;19import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.CacheEntry;20import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.CacheKey;21import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.DefaultCacheProvider;22import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.DefaultCachedTypeInitializer;23import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.TypePoolCacheProvider;24import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.WithCustomTarget;25import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.WithCustomTarget.ForFixedValue;26import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.WithCustomTarget.ForObjectMethods;27import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.WithCustomTarget.ForSerializableInterface;28import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.WithCustomTarget.ForVarargsMethod;29import org.mockito.internal.creation.bytebuddy

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InlineBytecodeGenerator

Using AI Code Generation

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1import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator;2import java.io.File;3import java.io.FileOutputStream;4import java.io.OutputStream;5public class Test {6 public static void main(String[] args) throws Exception {7 File file = new File("Test.class");8 OutputStream os = new FileOutputStream(file);9 os.write(InlineBytecodeGenerator.makeBytecodeForSimpleMethod("foo", "java.lang.String", "java.lang.String"));10 os.close();11 }12}13import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator;14import java.io.File;15import java.io.FileOutputStream;16import java.io.OutputStream;17public class Test {18 public static void main(String[] args) throws Exception {19 File file = new File("Test.class");20 OutputStream os = new FileOutputStream(file);21 os.write(InlineBytecodeGenerator.makeBytecodeForSimpleConstructor("java.lang.String"));22 os.close();23 }24}25import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator;26import java.io.File;27import java.io.FileOutputStream;28import java.io.OutputStream;29public class Test {30 public static void main(String[] args) throws Exception {31 File file = new File("Test.class");32 OutputStream os = new FileOutputStream(file);33 os.write(InlineBytecodeGenerator.makeBytecodeForSimpleConstructor("java.lang.String", "java.lang.String"));34 os.close();35 }36}37import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator;38import java.io.File;39import java.io.FileOutputStream;40import java.io.OutputStream;41public class Test {42 public static void main(String[] args) throws Exception {43 File file = new File("Test.class");44 OutputStream os = new FileOutputStream(file);45 os.write(InlineBytecodeGenerator.makeBytecodeForSimpleConstructor("java.lang.String", "java.lang.String", "java.lang.String"));46 os.close();47 }48}

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InlineBytecodeGenerator

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1public class 1 {2 public static void main(String[] args) throws Exception {3 Class<? extends MyInterface> mockType = new InlineBytecodeGenerator().mockClass(4 new MockFeatures().withExtraInterfaces(MyInterface.class));5 MyInterface mock = mockType.newInstance();6 System.out.println(mock.get());7 }8}9public class 2 {10 public static void main(String[] args) throws Exception {11 Class<? extends MyInterface> mockType = new InlineBytecodeGenerator().mockClass(12 new MockFeatures().withExtraInterfaces(MyInterface.class));13 MyInterface mock = mockType.newInstance();14 System.out.println(mock.get());15 }16}17public class 3 {18 public static void main(String[] args) throws Exception {19 Class<? extends MyInterface> mockType = new InlineBytecodeGenerator().mockClass(20 new MockFeatures().withExtraInterfaces(MyInterface.class));21 MyInterface mock = mockType.newInstance();22 System.out.println(mock.get());23 }24}25public class 4 {26 public static void main(String[] args) throws Exception {27 Class<? extends MyInterface> mockType = new InlineBytecodeGenerator().mockClass(28 new MockFeatures().withExtraInterfaces(MyInterface.class));29 MyInterface mock = mockType.newInstance();30 System.out.println(mock.get());31 }32}33public class 5 {34 public static void main(String[] args) throws Exception {35 Class<? extends MyInterface> mockType = new InlineBytecodeGenerator().mockClass(36 new MockFeatures().withExtraInterfaces(MyInterface.class));37 MyInterface mock = mockType.newInstance();38 System.out.println(mock.get());39 }40}

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StackOverFlow community discussions

Questions
Discussion

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Mockito - separately verifying multiple invocations on the same method

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WebApplicationContext doesn&#39;t autowire

If we assume that your job runs in such a small intervals that you really want your test to wait for job to be executed and you just want to test if job is invoked you can use following solution:

Add Awaitility to classpath:

<dependency>
    <groupId>org.awaitility</groupId>
    <artifactId>awaitility</artifactId>
    <version>3.1.0</version>
    <scope>test</scope>
</dependency>

Write test similar to:

@RunWith(SpringRunner.class)
@SpringBootTest
public class DemoApplicationTests {

    @SpyBean
    private MyTask myTask;

    @Test
    public void jobRuns() {
        await().atMost(Duration.FIVE_SECONDS)
               .untilAsserted(() -> verify(myTask, times(1)).work());
    }
}
https://stackoverflow.com/questions/32319640/how-to-test-spring-scheduled

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