使用@RunWithPowerMockRunner.class会引发InvocationTargetException

问题描述

JRE版本： Java SE 14.0.2

pom.xml

<dependencies>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.12</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.mockito</groupId>
        <artifactId>mockito-all</artifactId>
        <version>1.10.19</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.hamcrest</groupId>
        <artifactId>hamcrest-library</artifactId>
        <version>1.3</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.powermock</groupId>
        <artifactId>powermock-api-mockito</artifactId>
        <version>1.6.4</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.powermock</groupId>
        <artifactId>powermock-module-junit4</artifactId>
        <version>1.6.4</version>
        <scope>test</scope>
    </dependency>
</dependencies>
<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
                <source>1.8</source>
                <target>1.8</target>
            </configuration>
        </plugin>
    </plugins>
</build>

初级班：

package com.nick.powermock;


import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.anyLong;
import static org.mockito.Mockito.when;

import java.util.Arrays;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import org.powermock.api.mockito.powermockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.powermockrunner;
import org.powermock.modules.junit4.powermockrunner;

@RunWith(powermockrunner.class)
@PrepareForTest({ UtilityClass.class /*The class with static method to be mocked*/})
public class SystemUnderTestTest {

    @Mock
    Dependency dependencyMock;

    @InjectMocks
    SystemUnderTest systemUnderTest;

    @Test
    public void powermockito_MockingAStaticmethodCall() {

        when(dependencyMock.retrieveAllStats()).thenReturn(
                Arrays.asList(1,2,3));

        powermockito.mockStatic(UtilityClass.class);

        when(UtilityClass.staticmethod(anyLong())).thenReturn(150);

        assertEquals(150,systemUnderTest.methodCallingAStaticmethod());

        powermockito.verifyStatic();
        UtilityClass.staticmethod(1 + 2 + 3);
    }
}

错误：

org.objenesis.ObjenesisException: java.lang.reflect.InvocationTargetException
    at org.objenesis.instantiator.sun.SunReflectionFactoryHelper.newConstructorForSerialization(SunReflectionFactoryHelper.java:55)
    at org.objenesis.instantiator.sun.SunReflectionFactoryInstantiator.<init>(SunReflectionFactoryInstantiator.java:38)
    at org.objenesis.strategy.StdInstantiatorStrategy.newInstantiatorOf(StdInstantiatorStrategy.java:58)
    at org.objenesis.ObjenesisBase.getInstantiatorOf(ObjenesisBase.java:91)
    at org.powermock.reflect.internal.WhiteBoxImpl.newInstance(WhiteBoxImpl.java:222)
    at org.powermock.reflect.WhiteBox.newInstance(WhiteBox.java:139)
    at org.powermock.tests.utils.impl.AbstractTestSuiteChunkerImpl.registerProxyframework(AbstractTestSuiteChunkerImpl.java:158)
    at org.powermock.tests.utils.impl.AbstractTestSuiteChunkerImpl.chunkClass(AbstractTestSuiteChunkerImpl.java:181)
    at org.powermock.tests.utils.impl.AbstractTestSuiteChunkerImpl.<init>(AbstractTestSuiteChunkerImpl.java:96)
    at org.powermock.tests.utils.impl.AbstractTestSuiteChunkerImpl.<init>(AbstractTestSuiteChunkerImpl.java:89)
    at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.<init>(JUnit4TestSuiteChunkerImpl.java:49)
    at org.powermock.modules.junit4.common.internal.impl.AbstractCommonpowermockrunner.<init>(AbstractCommonpowermockrunner.java:32)
    at org.powermock.modules.junit4.powermockrunner.<init>(powermockrunner.java:34)
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
    at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)
    at org.junit.internal.builders.AnnotatedBuilder.buildrunner(AnnotatedBuilder.java:104)
    at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:86)
    at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
    at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26)
    at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
    at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:33)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createUnfilteredTest(JUnit4TestLoader.java:90)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:76)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:49)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:526)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:770)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:464)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:210)
Caused by: java.lang.reflect.InvocationTargetException
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:564)
    at org.objenesis.instantiator.sun.SunReflectionFactoryHelper.newConstructorForSerialization(SunReflectionFactoryHelper.java:45)
    ... 30 more
Caused by: java.lang.IllegalAccessError: class jdk.internal.reflect.ConstructorAccessorImpl loaded by org.powermock.core.classloader.MockClassLoader @2401f4c3 cannot access jdk/internal/reflect superclass jdk.internal.reflect.MagicAccessorImpl
    at java.base/java.lang.classLoader.defineClass1(Native Method)
    at java.base/java.lang.classLoader.defineClass(ClassLoader.java:1017)
    at org.powermock.core.classloader.MockClassLoader.loadUnmockedClass(MockClassLoader.java:238)
    at org.powermock.core.classloader.MockClassLoader.loadModifiedClass(MockClassLoader.java:182)
    at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:70)
    at java.base/java.lang.classLoader.loadClass(ClassLoader.java:522)
    at java.base/java.lang.classLoader.defineClass1(Native Method)
    at java.base/java.lang.classLoader.defineClass(ClassLoader.java:1017)
    at org.powermock.core.classloader.MockClassLoader.loadUnmockedClass(MockClassLoader.java:238)
    at org.powermock.core.classloader.MockClassLoader.loadModifiedClass(MockClassLoader.java:182)
    at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:70)
    at java.base/java.lang.classLoader.loadClass(ClassLoader.java:522)
    at java.base/java.lang.classLoader.defineClass1(Native Method)
    at java.base/java.lang.System$2.defineClass(System.java:2196)
    at java.base/jdk.internal.reflect.ClassDefiner.defineClass(ClassDefiner.java:65)
    at java.base/jdk.internal.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:400)
    at java.base/jdk.internal.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:394)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:312)
    at java.base/jdk.internal.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:393)
    at java.base/jdk.internal.reflect.MethodAccessorGenerator.generateSerializationConstructor(MethodAccessorGenerator.java:112)
    at java.base/jdk.internal.reflect.ReflectionFactory.generateConstructor(ReflectionFactory.java:462)
    at java.base/jdk.internal.reflect.ReflectionFactory.newConstructorForSerialization(ReflectionFactory.java:375)
    at jdk.unsupported/sun.reflect.ReflectionFactory.newConstructorForSerialization(ReflectionFactory.java:98)
    ... 35 more

我正在尝试为上述编写Junit测试用例，但是我遇到了上述错误。我正在使用 Eclipse IDE

但是，如果将 powermockrunner 更改为 MockitoJUnitRunner ，则不会发生上述错误，但无法模拟静态方法。

有人能知道 powermockrunner 抛出上述错误的确切问题是什么吗？

解决方法

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eclipse java java junit4 mockito mockito mockito powermockito