非Springboot项目使用powermockito单元测试 mock静态方法和ScriptEngineManager providers.next()...not a subtype报错解决-Toy模板网

这篇具有很好参考价值的文章主要介绍了非Springboot项目使用powermockito单元测试 mock静态方法和ScriptEngineManager providers.next()...not a subtype报错解决。希望对大家有所帮助。如果存在错误或未考虑完全的地方，请大家不吝赐教，您也可以点击"举报违法"按钮提交疑问。

mock静态方法步骤

使用PowerMockito.mockStatic()
加上@RunWith和@PrepareForTest注释
如果报错下面的错则考虑加上@PowerMockIgnore

public class Demo {
	public static String setName(String name) {
		return name;
	}
}

@RunWith(PowerMockRunner.class)
@PrepareForTest(RateLimiterMetric.class)
@PowerMockIgnore({"javax.management.*", "javax.script.*"})
public class DemoTest {
	 @Test
    public void testSetName(){
		PowerMockito.mockStatic(Demo.class);
		String method = "hello";
		PowerMockito.when(Demo.setName(method)).thenReturn("hello");
	}
}

报错

ERROR StatusLogger Unable to unregister MBeans
java.lang.LinkageError: javax/management/MBeanServer（具体如下）
解决：加上@PowerMockIgnore("javax.management.*）

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respository\io\github\resilience4j\resilience4j-core\1.7.1\resilience4j-core-1.7.1.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\com\google\guava\guava\18.0\guava-18.0.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\easymock\easymock\3.2\easymock-3.2.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\cglib\cglib-nodep\2.2.2\cglib-nodep-2.2.2.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\easymock\easymockclassextension\3.2\easymockclassextension-3.2.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\powermock\powermock-module-junit4\2.0.7\powermock-module-junit4-2.0.7.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\powermock\powermock-module-junit4-common\2.0.7\powermock-module-junit4-common-2.0.7.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\powermock\powermock-reflect\2.0.7\powermock-reflect-2.0.7.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\net\bytebuddy\byte-buddy\1.9.10\byte-buddy-1.9.10.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\net\bytebuddy\byte-buddy-agent\1.9.10\byte-buddy-agent-1.9.10.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\powermock\powermock-core\2.0.7\powermock-core-2.0.7.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\hamcrest\hamcrest-core\1.3\hamcrest-core-1.3.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\powermock\powermock-api-mockito2\2.0.7\powermock-api-mockito2-2.0.7.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\powermock\powermock-api-support\2.0.7\powermock-api-support-2.0.7.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\mockito\mockito-core\2.28.2\mockito-core-2.28.2.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\objenesis\objenesis\2.6\objenesis-2.6.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\javassist\javassist\3.27.0-GA\javassist-3.27.0-GA.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\net\sourceforge\findbugs\annotations\1.3.2\annotations-1.3.2.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\junit\junit\4.13\junit-4.13.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\org\slf4j\slf4j-api\1.7.2\slf4j-api-1.7.2.jar;D:\tools\Maven\apache-maven-3.5.3\maven_respository\io\prometheus\jmx\jmx_prometheus_javaagent\1.0.3\jmx_prometheus_javaagent-1.0.3.jar" com.intellij.rt.junit.JUnitStarter -ideVersion5 -junit4 com.tplink.cloud.rpc.core.ratelimiter.RateLimiterFilterTest,testRateLimiterInvoke
ERROR StatusLogger Could not reconfigure JMX
 java.lang.LinkageError: loader constraint violation: loader (instance of org/powermock/core/classloader/javassist/JavassistMockClassLoader) previously initiated loading for a different type with name "javax/management/MBeanServer"
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
	at org.powermock.core.classloader.javassist.JavassistMockClassLoader.loadUnmockedClass(JavassistMockClassLoader.java:90)
	at org.powermock.core.classloader.MockClassLoader.loadClassByThisClassLoader(MockClassLoader.java:104)
	at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass1(DeferSupportingClassLoader.java:147)
	at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:98)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	at org.apache.logging.log4j.core.jmx.Server.unregisterAllMatching(Server.java:337)
	at org.apache.logging.log4j.core.jmx.Server.unregisterLoggerContext(Server.java:261)
	at org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:165)
	at org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:141)
	at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:637)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:699)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:716)
	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:270)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:155)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:47)
	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:196)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:137)
	at org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:55)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:47)
	at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:33)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:281)
	at com.tplink.cloud.rpc.core.invoker.AbstractClientInvoker.<clinit>(AbstractClientInvoker.java:27)
	at sun.reflect.GeneratedSerializationConstructorAccessor5.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.objenesis.instantiator.sun.SunReflectionFactoryInstantiator.newInstance(SunReflectionFactoryInstantiator.java:48)
	at org.objenesis.ObjenesisBase.newInstance(ObjenesisBase.java:73)
	at org.mockito.internal.creation.instance.ObjenesisInstantiator.newInstance(ObjenesisInstantiator.java:19)
	at org.mockito.internal.creation.bytebuddy.SubclassByteBuddyMockMaker.createMock(SubclassByteBuddyMockMaker.java:47)
	at org.mockito.internal.creation.bytebuddy.ByteBuddyMockMaker.createMock(ByteBuddyMockMaker.java:25)
	at org.powermock.api.mockito.mockmaker.PowerMockMaker.createMock(PowerMockMaker.java:41)
	at org.mockito.internal.util.MockUtil.createMock(MockUtil.java:35)
	at org.mockito.internal.MockitoCore.mock(MockitoCore.java:62)
	at org.mockito.Mockito.mock(Mockito.java:1908)
	at org.powermock.api.mockito.internal.mockcreation.DefaultMockCreator.createMethodInvocationControl(DefaultMockCreator.java:108)
	at org.powermock.api.mockito.internal.mockcreation.DefaultMockCreator.doCreateMock(DefaultMockCreator.java:61)
	at org.powermock.api.mockito.internal.mockcreation.DefaultMockCreator.createMock(DefaultMockCreator.java:53)
	at org.powermock.api.mockito.internal.mockcreation.DefaultMockCreator.mock(DefaultMockCreator.java:40)
	at org.powermock.api.mockito.PowerMockito.mock(PowerMockito.java:126)
	at com.tplink.cloud.rpc.core.ratelimiter.RateLimiterFilterTest.testRateLimiterInvoke(RateLimiterFilterTest.java:58)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:68)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:326)
	at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:89)
	at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:97)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.executeTest(PowerMockJUnit44RunnerDelegateImpl.java:310)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTestInSuper(PowerMockJUnit47RunnerDelegateImpl.java:131)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.access$100(PowerMockJUnit47RunnerDelegateImpl.java:59)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner$TestExecutorStatement.evaluate(PowerMockJUnit47RunnerDelegateImpl.java:147)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.evaluateStatement(PowerMockJUnit47RunnerDelegateImpl.java:107)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTest(PowerMockJUnit47RunnerDelegateImpl.java:82)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runBeforesThenTestThenAfters(PowerMockJUnit44RunnerDelegateImpl.java:298)
	at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:87)
	at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:50)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.invokeTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:218)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.runMethods(PowerMockJUnit44RunnerDelegateImpl.java:160)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$1.run(PowerMockJUnit44RunnerDelegateImpl.java:134)
	at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:34)
	at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:44)
	at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.run(PowerMockJUnit44RunnerDelegateImpl.java:136)
	at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.run(JUnit4TestSuiteChunkerImpl.java:117)
	at org.powermock.modules.junit4.common.internal.impl.AbstractCommonPowerMockRunner.run(AbstractCommonPowerMockRunner.java:57)
	at org.powermock.modules.junit4.PowerMockRunner.run(PowerMockRunner.java:59)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)
	at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
	at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:220)
	at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:53)
stat.ratelimit.service.hello1
ERROR StatusLogger Unable to unregister MBeans
 java.lang.LinkageError: javax/management/MBeanServer
	at org.apache.logging.log4j.core.jmx.Server.unregisterAllMatching(Server.java:337)
	at org.apache.logging.log4j.core.jmx.Server.unregisterLoggerContext(Server.java:261)
	at org.apache.logging.log4j.core.jmx.Server.unregisterLoggerContext(Server.java:249)
	at org.apache.logging.log4j.core.LoggerContext.stop(LoggerContext.java:379)
	at org.apache.logging.log4j.core.LoggerContext$1.run(LoggerContext.java:320)
	at org.apache.logging.log4j.core.util.DefaultShutdownCallbackRegistry$RegisteredCancellable.run(DefaultShutdownCallbackRegistry.java:119)
	at org.apache.logging.log4j.core.util.DefaultShutdownCallbackRegistry.run(DefaultShutdownCallbackRegistry.java:78)
	at java.lang.Thread.run(Thread.java:748)

Process finished with exit code 0

ScriptEngineManager providers.next(): javax.script.ScriptEngineFactory: Provider jdk.nashorn.api.scripting.NashornScriptEngineFactory not a subtype（具体如下）
解决：加上@PowerMockIgnore("javax.script.*）

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