IntelliJ + JUnit 5（木星） [英] IntelliJ + JUnit 5 (Jupiter)
本文介绍了IntelliJ + JUnit 5（木星）的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我的 build.gradle 有：
testCompile 'org.junit.jupiter:junit-jupiter-api:5.0.0'
使用
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
class FirstJUnit5Tests {
@Test
void myFirstTest() {
assertEquals(2, 1 + 1);
}
}
当我尝试在IntelliJ中作为JUnit测试运行时2017.2.3，我得到：
When I try to run as a JUnit test in IntelliJ 2017.2.3, I get:
objc[32347]: Class JavaLaunchHelper is implemented in both /Library/Java/JavaVirtualMachines/jdk1.8.0_144.jdk/Contents/Home/bin/java (0x10f5be4c0) and /Library/Java/JavaVirtualMachines/jdk1.8.0_144.jdk/Contents/Home/jre/lib/libinstrument.dylib (0x10f6864e0). One of the two will be used. Which one is undefined.
Sep 11, 2017 12:39:04 PM org.junit.platform.launcher.core.DefaultLauncher handleThrowable
WARNING: TestEngine with ID 'junit-jupiter' failed to discover tests
java.lang.NoSuchMethodError: org.junit.platform.commons.util.ClassUtils.isKotlinClass(Ljava/lang/Class;)Z
at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.lambda$getTestInstanceLifecycle$14(ClassTestDescriptor.java:299)
at java.util.Optional.orElseGet(Optional.java:267)
at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.getTestInstanceLifecycle(ClassTestDescriptor.java:299)
at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.<init>(ClassTestDescriptor.java:87)
at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.<init>(ClassTestDescriptor.java:77)
at org.junit.jupiter.engine.discovery.TestContainerResolver.resolveClass(TestContainerResolver.java:100)
at org.junit.jupiter.engine.discovery.TestContainerResolver.resolveElement(TestContainerResolver.java:45)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.tryToResolveWithResolver(JavaElementsResolver.java:169)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.lambda$resolve$8(JavaElementsResolver.java:156)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.Iterator.forEachRemaining(Iterator.java:116)
at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.resolve(JavaElementsResolver.java:159)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.lambda$resolveForAllParents$4(JavaElementsResolver.java:130)
at java.util.Collections$SingletonSet.forEach(Collections.java:4767)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.resolveForAllParents(JavaElementsResolver.java:130)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.resolveContainerWithParents(JavaElementsResolver.java:80)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.resolveClass(JavaElementsResolver.java:55)
at org.junit.jupiter.engine.discovery.DiscoverySelectorResolver.lambda$resolveSelectors$2(DiscoverySelectorResolver.java:59)
at java.util.ArrayList.forEach(ArrayList.java:1249)
at org.junit.jupiter.engine.discovery.DiscoverySelectorResolver.resolveSelectors(DiscoverySelectorResolver.java:58)
at org.junit.jupiter.engine.JupiterTestEngine.resolveDiscoveryRequest(JupiterTestEngine.java:68)
at org.junit.jupiter.engine.JupiterTestEngine.discover(JupiterTestEngine.java:61)
at org.junit.platform.launcher.core.DefaultLauncher.discoverEngineRoot(DefaultLauncher.java:130)
at org.junit.platform.launcher.core.DefaultLauncher.discoverRoot(DefaultLauncher.java:117)
at org.junit.platform.launcher.core.DefaultLauncher.discover(DefaultLauncher.java:82)
at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:48)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Sep 11, 2017 12:39:04 PM org.junit.platform.launcher.core.DefaultLauncher handleThrowable
WARNING: TestEngine with ID 'junit-jupiter' failed to discover tests
java.lang.NoSuchMethodError: org.junit.platform.commons.util.ClassUtils.isKotlinClass(Ljava/lang/Class;)Z
at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.lambda$getTestInstanceLifecycle$14(ClassTestDescriptor.java:299)
at java.util.Optional.orElseGet(Optional.java:267)
at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.getTestInstanceLifecycle(ClassTestDescriptor.java:299)
at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.<init>(ClassTestDescriptor.java:87)
at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.<init>(ClassTestDescriptor.java:77)
at org.junit.jupiter.engine.discovery.TestContainerResolver.resolveClass(TestContainerResolver.java:100)
at org.junit.jupiter.engine.discovery.TestContainerResolver.resolveElement(TestContainerResolver.java:45)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.tryToResolveWithResolver(JavaElementsResolver.java:169)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.lambda$resolve$8(JavaElementsResolver.java:156)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.Iterator.forEachRemaining(Iterator.java:116)
at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.resolve(JavaElementsResolver.java:159)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.lambda$resolveForAllParents$4(JavaElementsResolver.java:130)
at java.util.Collections$SingletonSet.forEach(Collections.java:4767)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.resolveForAllParents(JavaElementsResolver.java:130)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.resolveContainerWithParents(JavaElementsResolver.java:80)
at org.junit.jupiter.engine.discovery.JavaElementsResolver.resolveClass(JavaElementsResolver.java:55)
at org.junit.jupiter.engine.discovery.DiscoverySelectorResolver.lambda$resolveSelectors$2(DiscoverySelectorResolver.java:59)
at java.util.ArrayList.forEach(ArrayList.java:1249)
at org.junit.jupiter.engine.discovery.DiscoverySelectorResolver.resolveSelectors(DiscoverySelectorResolver.java:58)
at org.junit.jupiter.engine.JupiterTestEngine.resolveDiscoveryRequest(JupiterTestEngine.java:68)
at org.junit.jupiter.engine.JupiterTestEngine.discover(JupiterTestEngine.java:61)
at org.junit.platform.launcher.core.DefaultLauncher.discoverEngineRoot(DefaultLauncher.java:130)
at org.junit.platform.launcher.core.DefaultLauncher.discoverRoot(DefaultLauncher.java:117)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:90)
at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:62)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Process finished with exit code 0
Empty test suite.
我根本没有使用Kotlin，所以我发现那些警告+堆栈跟踪奇怪。其次，它没有运行测试。任何想法？
I'm not using Kotlin at all, so I find those warnings + stack traces odd. Secondly, it isn't running the test. Any ideas?
推荐答案
IDEA版本2017.2.3及更早版本附带过时的JUnit 5版本。
IDEA version 2017.2.3 and older shipped with an outdated version of JUnit 5.
使用此功能解决该问题，直到IDEA捆绑5.0 GA为止
Use this to solve that issue until 5.0 GA is bundled in IDEA
// Only needed to run tests in an IntelliJ IDEA that bundles an older version
testRuntime("org.junit.platform:junit-platform-launcher:1.0.0")
testRuntime("org.junit.jupiter:junit-jupiter-engine:5.0.0")
testRuntime("org.junit.vintage:junit-vintage-engine:4.12.0")
参见 http://junit.org/junit5/docs/current/user-guide/#running-tests-ide-intellij-idea 了解详情。
这篇关于IntelliJ + JUnit 5（木星）的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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