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

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

Source:InlineBytecodeGenerator.java

...42import org.mockito.internal.util.concurrent.WeakConcurrentSet;43import org.mockito.mock.SerializableMode;44public class InlineBytecodeGenerator implements BytecodeGenerator, ClassFileTransformer {45    static final Set<Class<?>> EXCLUDES = new HashSet(Arrays.asList(new Class[]{Class.class, Boolean.class, Byte.class, Short.class, Character.class, Integer.class, Long.class, Float.class, Double.class, String.class}));46    private static final String PRELOAD = "org.mockito.inline.preload";47    private final ByteBuddy byteBuddy = new ByteBuddy().with(TypeValidation.DISABLED).with((Implementation.Context.Factory) Implementation.Context.Disabled.Factory.INSTANCE).with((MethodGraph.Compiler) MethodGraph.Compiler.ForDeclaredMethods.INSTANCE);48    private final Method canRead;49    private final Method getModule;50    private final Instrumentation instrumentation;51    private volatile Throwable lastException;52    private final AsmVisitorWrapper mockTransformer;53    private final WeakConcurrentSet<Class<?>> mocked = new WeakConcurrentSet<>(WeakConcurrentSet.Cleaner.INLINE);54    private final Method redefineModule;55    private final BytecodeGenerator subclassEngine;56    public InlineBytecodeGenerator(Instrumentation instrumentation2, WeakConcurrentMap<Object, MockMethodInterceptor> weakConcurrentMap) {57        Method method;58        Method method2;59        preload();60        this.instrumentation = instrumentation2;61        String make = RandomString.make();62        this.subclassEngine = new TypeCachingBytecodeGenerator(new SubclassBytecodeGenerator(MethodDelegation.withDefaultConfiguration().withBinders((TargetMethodAnnotationDrivenBinder.ParameterBinder<?>[]) new TargetMethodAnnotationDrivenBinder.ParameterBinder[]{TargetMethodAnnotationDrivenBinder.ParameterBinder.ForFixedValue.OfConstant.of(MockMethodAdvice.Identifier.class, make)}).to((Class<?>) MockMethodAdvice.ForReadObject.class), ElementMatchers.isAbstract().or(ElementMatchers.isNative()).or(ElementMatchers.isToString())), false);63        this.mockTransformer = new AsmVisitorWrapper.ForDeclaredMethods().method((ElementMatcher<? super MethodDescription>) ElementMatchers.isVirtual().and(ElementMatchers.not(ElementMatchers.isBridge().or(ElementMatchers.isHashCode()).or(ElementMatchers.isEquals()).or(ElementMatchers.isDefaultFinalizer()))).and(ElementMatchers.not(ElementMatchers.isDeclaredBy((ElementMatcher<? super TypeDescription>) ElementMatchers.nameStartsWith("java.")).and(ElementMatchers.isPackagePrivate()))), Advice.withCustomMapping().bind(MockMethodAdvice.Identifier.class, (Object) make).to(MockMethodAdvice.class)).method((ElementMatcher<? super MethodDescription>) ElementMatchers.isHashCode(), Advice.withCustomMapping().bind(MockMethodAdvice.Identifier.class, (Object) make).to(MockMethodAdvice.ForHashCode.class)).method((ElementMatcher<? super MethodDescription>) ElementMatchers.isEquals(), Advice.withCustomMapping().bind(MockMethodAdvice.Identifier.class, (Object) make).to(MockMethodAdvice.ForEquals.class));64        Method method3 = null;65        try {66            Method method4 = Class.class.getMethod("getModule", new Class[0]);67            method = method4.getReturnType().getMethod("canRead", new Class[]{method4.getReturnType()});68            Method method5 = method4;69            method2 = Instrumentation.class.getMethod("redefineModule", new Class[]{method4.getReturnType(), Set.class, Map.class, Map.class, Set.class, Map.class});70            method3 = method5;71        } catch (Exception unused) {72            method2 = null;73            method = null;74        }75        this.getModule = method3;76        this.canRead = method;77        this.redefineModule = method2;78        MockMethodDispatcher.set(make, new MockMethodAdvice(weakConcurrentMap, make));79        instrumentation2.addTransformer(this, true);80    }81    private static void preload() {82        String property = System.getProperty(PRELOAD);83        if (property == null) {84            property = "java.lang.WeakPairMap,java.lang.WeakPairMap$Pair,java.lang.WeakPairMap$Pair$Weak";85        }86        for (String cls : property.split(",")) {87            try {88                Class.forName(cls, false, (ClassLoader) null);89            } catch (ClassNotFoundException unused) {90            }91        }92    }93    public <T> Class<? extends T> mockClass(MockFeatures<T> mockFeatures) {94        boolean z = !mockFeatures.interfaces.isEmpty() || mockFeatures.serializableMode != SerializableMode.NONE || Modifier.isAbstract(mockFeatures.mockedType.getModifiers());95        checkSupportedCombination(z, mockFeatures);...

preload

Using AI Code Generation

1package com.example;2import net.bytebuddy.ByteBuddy;3import net.bytebuddy.description.method.MethodDescription;4import net.bytebuddy.description.modifier.Visibility;5import net.bytebuddy.dynamic.DynamicType;6import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;7import net.bytebuddy.implementation.FixedValue;8import net.bytebuddy.matcher.ElementMatchers;9import org.junit.Assert;10import org.junit.Test;11import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator;12import java.lang.reflect.Method;13public class InlineBytecodeGeneratorTest {14    public void testPreload() throws Exception {15        DynamicType.Unloaded<?> dynamicType = new ByteBuddy()16                .subclass(Object.class)17                .name("com.example.Generated")18                .defineMethod("foo", String.class, Visibility.PUBLIC)19                .intercept(FixedValue.value("bar"))20                .make();21        Class<?> type = dynamicType.load(getClass().getClassLoader(), ClassLoadingStrategy.Default.WRAPPER)22                .getLoaded();23        Method foo = type.getMethod("foo");24        Assert.assertEquals("bar", foo.invoke(type.newInstance()));25        MethodDescription.InDefinedShape methodDescription = new MethodDescription.ForLoadedMethod(foo);26        InlineBytecodeGenerator.Preloaded preloaded = InlineBytecodeGenerator.preload(type.getClassLoader(), methodDescription);27        Class<?> generated = preloaded.getLoaded();28        Method foo2 = generated.getMethod("foo");29        Assert.assertEquals("bar", foo2.invoke(generated.newInstance()));30    }31}32java.lang.IllegalAccessError: class com.example.Generated (in unnamed module @0x6d8a4f2a) cannot access class com.example.Generated (in module com.example) because module com.example does not export com.example to unnamed module @0x6d8a4f2a33at com.example.InlineBytecodeGeneratorTest.testPreload(InlineBytecodeGeneratorTest.java:42)34at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)35at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)36at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)37at java.lang.reflect.Method.invoke(Method.java:498)38at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)39at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)

preload

Using AI Code Generation

1    public void testMockitoMocking() {2        List<String> list = mock(List.class);3        when(list.get(0)).thenReturn("first");4        assertEquals("first", list.get(0));5        verify(list).get(0);6    }7}8java . lang . RuntimeException : java . lang . IllegalAccessError : class org . mockito . internal . creation . bytebuddy . InlineBytecodeGenerator ( in unnamed module ) cannot access class net . bytebuddy . agent . builder . AgentBuilder ( in module net.bytebuddy ) because module net.bytebuddy does not export net.bytebuddy.agent.builder to unnamed module

preload

Using AI Code Generation

1import net.bytebuddy.ByteBuddy2import net.bytebuddy.description.method.ParameterList3import net.bytebuddy.description.modifier.Visibility4import net.bytebuddy.description.type.TypeDescription5import net.bytebuddy.dynamic.DynamicType6import net.bytebuddy.dynamic.loading.ClassLoadingStrategy7import net.bytebuddy.implementation.FixedValue8import net.bytebuddy.implementation.MethodDelegation9import net.bytebuddy.matcher.ElementMatchers10import org.mockito.internal.creation.bytebuddy.InlineBytecodeGenerator11import org.mockito.internal.creation.bytebuddy.MockMethodInterceptor12import org.mockito.internal.creation.bytebuddy.SubclassBytecodeGenerator13import org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator14interface A {15    fun a(): String16}17interface B {18    fun b(): String19}20class AImpl : A {21    override fun a(): String {22    }23}24class BImpl : B {25    override fun b(): String {26    }27}28class CImpl : A, B {29    override fun a(): String {30    }31    override fun b(): String {32    }33}34fun main() {35    val aImpl = AImpl()36    val bImpl = BImpl()37    val cImpl = CImpl()38    val aMock = createMock(A::class.java, AImpl::class.java)39    val bMock = createMock(B::class.java, BImpl::class.java)40    val cMock = createMock(A::class.java, B::class.java, CImpl::class.java)41    println(aMock.a())42    println(bMock.b())43    println(cMock.a())44    println(cMock.b())45    println(aImpl.a())46    println(bImpl.b())47    println(cImpl.a())48    println(cImpl.b())49}50fun createMock(vararg interfaces: Class<

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