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IntelliJ + JUnit 5（木星）

clay 发表于 Java
82
粘土 ：

我build.gradle有：

testCompile 'org.junit.jupiter:junit-jupiter-api:5.0.0'

使用http://junit.org/junit5/docs/current/user-guide/中的标准示例

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 2017.2.3中作为JUnit测试运行时，我得到了：

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+堆栈跟踪很奇怪。其次，它没有运行测试。有任何想法吗？

Sormuras：

IDEA 2017.2.3及更早版本随附JUnit 5的过时版本。

在IDEA中捆绑5.0 GA之前，使用它来解决该问题。

// 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")

有关详细信息，请参见http://junit.org/junit5/docs/current/user-guide/#running-tests-ide-intellij-idea。

本文收集自互联网，转载请注明来源。

如有侵权，请联系 [email protected] 删除。

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