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

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

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...199 public synchronized void mockClassStatic(Class<?> type) {200 triggerRetransformation(Collections.singleton(type), true);201 }202 @Override203 public synchronized void mockClassConstruction(Class<?> type) {204 triggerRetransformation(Collections.singleton(type), false);205 }206 private static void assureInitialization(Class<?> type) {207 try {208 Class.forName(type.getName(), true, type.getClassLoader());209 } catch (ExceptionInInitializerError e) {210 throw new MockitoException(211 "Cannot instrument "212 + type213 + " because it or one of its supertypes could not be initialized",214 e.getException());215 } catch (Throwable ignored) {216 }217 }...

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mockClassConstruction

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1public class MockClassConstructionTest {2 public void testMockClassConstruction() {3 Class<?>[] interfaces = new Class<?>[] { Runnable.class };4 Class<?> mockClass = InlineBytecodeGenerator.mockClassConstruction(interfaces, new Object());5 assertTrue(mockClass.isInterface());6 assertTrue(Arrays.asList(mockClass.getInterfaces()).contains(Runnable.class));7 }8}9OK (1 test)

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mockClassConstruction

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1public class MockitoTest {2 public static void main(String[] args) {3 ArrayList mockList = mock(ArrayList.class);4 mockList.add("Mockito");5 mockList.clear();6 verify(mockList).add("Mockito");7 verify(mockList).clear();8 }9}10This is a guide to Mockito Mock Class. Here we discuss how to create a mock object of a class using mock() method of Mockito class along with examples and code implementation. You can also go through our other related articles to learn more –

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mockClassConstruction

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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.util.MockUtil;6import org.mockito.invocation.InvocationOnMock;7import org.mockito.stubbing.Answer;8import java.lang.reflect.Method;9import java.lang.reflect.Modifier;10import java.util.ArrayList;11import java.util.List;12public class InlineBytecodeGeneratorTest {13 public static void main(String[] args) throws Exception {14 final List<Method> methods = new ArrayList<Method>();15 final List<Class<?>> interfaces = new ArrayList<Class<?>>();16 final Object mocked = Enhancer.create(SomeClass.class, new MethodInterceptor() {17 public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable {18 methods.add(method);19 return proxy.invokeSuper(obj, args);20 }21 });22 interfaces.addAll(MockUtil.getMockHandler(mocked).getMockSettings().getExtraInterfaces());23 ClassLoader classLoader = mocked.getClass().getClassLoader();24 byte[] bytecode = InlineBytecodeGenerator.mockClassConstruction(classLoader, interfaces, methods);25 Class<?> clazz = new ClassLoader(classLoader) {26 public Class<?> defineClass(String name, byte[] b) {27 return defineClass(name, b, 0, b.length);28 }29 }.defineClass("com.example.SomeClass", bytecode);30 SomeClass mock = (SomeClass) Enhancer.create(clazz, new MethodInterceptor() {31 public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable {32 return proxy.invokeSuper(obj, args);33 }34 });35 mock.foo();36 System.out.println("OK");37 }38 public static interface SomeInterface {39 void foo();40 }41 public static class SomeClass implements SomeInterface {42 public void foo() {

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mockClassConstruction

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1import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator2import net.bytebuddy.description.type.TypeDescription3import net.bytebuddy.dynamic.DynamicType4import net.bytebuddy.dynamic.loading.ClassLoadingStrategy5import net.bytebuddy.matcher.ElementMatchers6import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor7import org.mockito.internal.creation.bytebuddy.SubclassBytecodeGenerator8import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator9import org.mockito.internal.creation.bytebuddy.TypeMockability10import org.mockito.internal.util.MockUtil11import org.mockito.invocation.MockHandler12import org.mockito.mock.MockCreationSettings13import org.mockito.plugins.MockMaker14import org.mockito.plugins.MockMaker.TypeMockability15import net.bytebuddy.ByteBuddy16import net.bytebuddy.description.modifier.Visibility17import net.bytebuddy.description.type.TypeDescription.ForLoadedType18import net.bytebuddy.dynamic.DynamicType.Builder19import net.bytebuddy.dynamic.DynamicType.Builder.MethodDefinition.ParameterDefinition.Annotatable20import net.bytebuddy.implementation.MethodDelegation21import net.bytebuddy.implementation.bind.annotation.Argument22import net.bytebuddy.implementation.bind.annotation.RuntimeType23import net.bytebuddy.implementation.bind.annotation.This24import net.bytebuddy.matcher.ElementMatchers.named25import org.mockito.internal.creation.bytebuddy.InlineMockMaker26import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor27import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator28import org.mockito.internal.util.MockUtil29import org.mockito.invocation.MockHandler30import org.mockito.mock.MockCreationSettings31import org.mockito.plugins.MockMaker32import org.mockito.plugins.MockMaker.TypeMockability33import java.lang.reflect.Method34import java.util.concurrent.ConcurrentHashMap35import java.util.concurrent.ConcurrentMap

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retryWhen() won't call repository.getObservable() a second time. Instead, it takes the Observable.error() that was returned the first time and resubscribes to it.

In order to use retryWhen() in this way, you'd have to return a single Observable that returns an error the first time it's subscribed to and does not do so in subsequent subscriptions. For example, you could do something like this:

Observable.defer(new Func0<Observable<String>>() {
  boolean hasBeenSubscribedTo = false;

  @Override public Observable<String> call() {
    if (!hasBeenSubscribedTo) {
      hasBeenSubscribedTo = true;
      return Observable.error(new Exception());
    }
    return Observable.just("Hello, world!");
  }
})
.retryWhen(/* ...etc... */)
https://stackoverflow.com/questions/36611711/chain-different-return-in-mockito-for-retrywhen-call

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