Junit 관련 오류 'TestEngine with ID 'junit-jupiter' failed to discover tests' 에러 만나보신 분 계신가요?

Question

위 오류 내용에 대해서 삽질에 삽질을 해도 해결할 수 없어 처음으로 글 올려봅니다...ㅠ일단 찾아본 결과로는 junit 버전에 따른 오류라고 하는데, gradle dependency에dependencies { ... testImplementation 'org.springframework.boot:spring-boot-starter-test' ... }이렇게 설정해놓았기 때문에 버전에는 문제가 없다고 생각이 듭니다.. 애초에 위와 같이 의존성을 설정해주면 자동으로 junit-jupiter나 junit-vintage의 버전들이 주입되지 않나요?아래는 버전 정보와 오류 코드입니다.org.junit.platform.commons.JUnitException: TestEngine with ID 'junit-jupiter' failed to discover tests at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discoverEngineRoot(EngineDiscoveryOrchestrator.java:160) at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discoverSafely(EngineDiscoveryOrchestrator.java:134) at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discover(EngineDiscoveryOrchestrator.java:108) at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discover(EngineDiscoveryOrchestrator.java:80) at org.junit.platform.launcher.core.DefaultLauncher.discover(DefaultLauncher.java:110) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86) at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86) at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53) at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:71) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54) Caused by: org.junit.platform.commons.JUnitException: MethodSelector [className &#61; 'couch.camping.domain.member.service.MemberServiceTest', methodName &#61; 'loadByUserNameTest', methodParameterTypes &#61; ''] resolution failed at org.junit.platform.launcher.listeners.discovery.AbortOnFailureLauncherDiscoveryListener.selectorProcessed(AbortOnFailureLauncherDiscoveryListener.java:39) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolveCompletely(EngineDiscoveryRequestResolution.java:102) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.run(EngineDiscoveryRequestResolution.java:82) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolver.resolve(EngineDiscoveryRequestResolver.java:113) at org.junit.jupiter.engine.discovery.DiscoverySelectorResolver.resolveSelectors(DiscoverySelectorResolver.java:46) at org.junit.jupiter.engine.JupiterTestEngine.discover(JupiterTestEngine.java:69) at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discoverEngineRoot(EngineDiscoveryOrchestrator.java:152) ... 11 more Caused by: org.junit.platform.commons.PreconditionViolationException: Could not load class with name: couch.camping.domain.member.service.MemberServiceTest at org.junit.platform.engine.discovery.MethodSelector.lambda$lazyLoadJavaClass$0(MethodSelector.java:157) at org.junit.platform.commons.function.Try$Failure.getOrThrow(Try.java:335) at org.junit.platform.engine.discovery.MethodSelector.lazyLoadJavaClass(MethodSelector.java:156) at org.junit.platform.engine.discovery.MethodSelector.getJavaClass(MethodSelector.java:135) at org.junit.jupiter.engine.discovery.MethodSelectorResolver.resolve(MethodSelectorResolver.java:73) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.lambda$resolve$2(EngineDiscoveryRequestResolution.java:146) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1632) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:150) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:543) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolve(EngineDiscoveryRequestResolution.java:185) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolve(EngineDiscoveryRequestResolution.java:125) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolveCompletely(EngineDiscoveryRequestResolution.java:91) ... 16 more Caused by: java.lang.ClassNotFoundException: couch.camping.domain.member.service.MemberServiceTest at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at org.junit.platform.commons.util.ReflectionUtils.lambda$tryToLoadClass$9(ReflectionUtils.java:829) at org.junit.platform.commons.function.Try.lambda$call$0(Try.java:57) at org.junit.platform.commons.function.Try.of(Try.java:93) at org.junit.platform.commons.function.Try.call(Try.java:57) at org.junit.platform.commons.util.ReflectionUtils.tryToLoadClass(ReflectionUtils.java:792) at org.junit.platform.commons.util.ReflectionUtils.tryToLoadClass(ReflectionUtils.java:748) ... 32 more

kiel · Answer

Caused by: org.junit.platform.commons.JUnitException: MethodSelector [className &#61; 'couch.camping.domain.member.service.MemberServiceTest', methodName &#61; 'loadByUserNameTest', methodParameterTypes &#61; ''] resolution failedJunit 으로 테스트하려는데 (아마도 intelliJ를 써서) 테스트 method 인 loadByUserNameTest() 를 찾지 못했다는 오류 입니다. 테스트를 하라고 요청이 왔는데, Junit이 테스트 코드에서 대상 method를 찾지 못하면 발생합니다.보통은&#64;Test 어노테이션이 붙지 않았거나테스트를 한 번 실행 후 다시 Run 메뉴를 통해서 테스트를 할때 cache 가 날아가거나 해서 찾지 못하거나 하는 경우 발생합니다. 이 경우 IntelliJ 에서 InvalidateCaches 를 실행하거나 하면 해결되는 경우가 많습니다.비슷한 케이스에 대한 stackoverflow QnA 링크 추가합니다. https://stackoverflow.com/questions/66227706/testengine-with-id-junit-jupiter-failed-to-discover-tests-caused-by-org-jun

후엥 · Answer

헉.. 저도 동일한 오류가 나고 있어요..마찬가지로 이해가 안가는건 같은 버전으로 의존성 추가와 설정이 똑같이 되어있는 다른 모듈은 정상 동작하네요;;혹시 해결하셨나요?

Junit 관련 오류 'TestEngine with ID 'junit-jupiter' failed to discover tests' 에러 만나보신 분 계신가요?

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