如何解决使用jacoco脱机工具进行gradle进行的每个测试的覆盖率-java.lang.IllegalStateException:JaCoCo代理未启动
我正在尝试使用gradle + jacoco对每个测试进行覆盖。
想法将实现org.gradle.api.tasks.testing.TestListener
,并在常规事件(测试开始和测试结束)和转储覆盖范围内重置会话ID。
(用于演示问题的整个项目位于https://github.com/jayanmn/gradle-coverage-per-test-debug/tree/main)
通过graco内的ant任务通过jacoco-offline仪器完成仪器。 (离线,因为测试环境包括一些测试-有点集成类型。)
buildscript {
repositories {
jcenter()
mavenCentral()
}
dependencies {
classpath group: 'org.jacoco',name: 'org.jacoco.agent',version: '0.8.5',classifier: 'runtime'
classpath group: 'org.jacoco',name: 'org.jacoco.core',version: '0.8.5'
}
}
依赖项如下所示
dependencies {
//offline instrument via ant task
jacocoAnt group: 'org.jacoco',name: 'org.jacoco.ant',classifier: 'nodeps'
//the jacoco runtime private for RT.getAgent()
jacocoRuntime group: 'org.jacoco',classifier: 'runtime'
testImplementation 'junit:junit:4.12'
}
运行测试(sampletest)
task sampletest(type: Test) {
ignoreFailures = true
//jars used every step is same.
println classpath.asPath
forkEvery 1
maxParallelForks 1
doFirst {
println "org.jacoco.agent.rt.RT loaded from " + RT.class.getProtectionDomain().getCodeSource()
systemProperty 'jacoco-agent.destfile',buildDir.path + '/jacoco/firsttests.exec'
classpath = files(instrument.outputDir) + classpath + configurations.jacocoRuntime
}
beforeTest { TestDescriptor descriptor ->
println "org.jacoco.agent.rt.RT loaded from " + RT.class.getProtectionDomain().getCodeSource()
}
afterTest { TestDescriptor descriptor ->
//get agent will fail with Agent not started.
systemProperty 'jacoco-agent.destfile',buildDir.path + '/jacoco/aftertests.exec'
//agent not started error
def agent = RT.getAgent()
agent.sessionId = descriptor.name
agent.dump(true)
}
}
由于某些原因
> java.lang.IllegalStateException: JaCoCo agent not started.
* Exception is:
org.gradle.api.tasks.TaskExecutionException: Execution Failed for task ':sampletest'.
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.lambda$executeIfValid$1(ExecuteActionsTaskExecuter.java:207)
at org.gradle.internal.Try$Failure.ifSuccessfulOrElse(Try.java:263)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeIfValid(ExecuteActionsTaskExecuter.java:205)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:186)
at org.gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:114)
at org.gradle.api.internal.tasks.execution.FinalizePropertiesTaskExecuter.execute(FinalizePropertiesTaskExecuter.java:46)
at org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute(ResolveTaskExecutionModeExecuter.java:62)
at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:57)
at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:56)
at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:36)
at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.executeTask(EventFiringTaskExecuter.java:77)
at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:55)
at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:52)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:409)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:399)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:157)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:242)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:150)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:94)
at org.gradle.internal.operations.DelegatingBuildOperationExecutor.call(DelegatingBuildOperationExecutor.java:36)
at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter.execute(EventFiringTaskExecuter.java:52)
at org.gradle.execution.plan.LocalTaskNodeExecutor.execute(LocalTaskNodeExecutor.java:41)
at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:356)
at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:343)
at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:336)
at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:322)
at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.lambda$run$0(DefaultPlanExecutor.java:127)
at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.execute(DefaultPlanExecutor.java:191)
at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.executeNextNode(DefaultPlanExecutor.java:182)
at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.run(DefaultPlanExecutor.java:124)
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56)
Caused by: java.lang.IllegalStateException: JaCoCo agent not started.
at org.jacoco.agent.rt.internal_43f5073.Agent.getInstance(Agent.java:77)
at org.jacoco.agent.rt.RT.getAgent(RT.java:33)
at org.jacoco.agent.rt.RT$getAgent.call(UnkNown Source)
at build_q0s35v9r0an7s8a7ayxelgpr$_run_closure6$_closure13.doCall(C:\repos\number-utils\build.gradle:91)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at org.gradle.listener.ClosureBackedMethodInvocationdispatch.dispatch(ClosureBackedMethodInvocationdispatch.java:41)
at org.gradle.listener.ClosureBackedMethodInvocationdispatch.dispatch(ClosureBackedMethodInvocationdispatch.java:25)
at org.gradle.internal.event.Abstractbroadcastdispatch.dispatch(Abstractbroadcastdispatch.java:42)
at org.gradle.internal.event.broadcastdispatch$Singletondispatch.dispatch(broadcastdispatch.java:245)
at org.gradle.internal.event.broadcastdispatch$Singletondispatch.dispatch(broadcastdispatch.java:157)
at org.gradle.internal.event.Abstractbroadcastdispatch.dispatch(Abstractbroadcastdispatch.java:58)
at org.gradle.internal.event.broadcastdispatch$Compositedispatch.dispatch(broadcastdispatch.java:346)
at org.gradle.internal.event.broadcastdispatch$Compositedispatch.dispatch(broadcastdispatch.java:249)
at org.gradle.internal.event.Listenerbroadcast.dispatch(Listenerbroadcast.java:141)
at org.gradle.internal.event.Listenerbroadcast.dispatch(Listenerbroadcast.java:37)
at org.gradle.internal.dispatch.ProxydispatchAdapter$dispatchingInvocationHandler.invoke(ProxydispatchAdapter.java:94)
at com.sun.proxy.$Proxy69.afterTest(UnkNown Source)
at org.gradle.api.internal.tasks.testing.results.TestListenerAdapter.completed(TestListenerAdapter.java:50)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at org.gradle.internal.dispatch.Reflectiondispatch.dispatch(Reflectiondispatch.java:36)
at org.gradle.internal.dispatch.Reflectiondispatch.dispatch(Reflectiondispatch.java:24)
at org.gradle.internal.event.Abstractbroadcastdispatch.dispatch(Abstractbroadcastdispatch.java:42)
at org.gradle.internal.event.broadcastdispatch$Singletondispatch.dispatch(broadcastdispatch.java:245)
at org.gradle.internal.event.broadcastdispatch$Singletondispatch.dispatch(broadcastdispatch.java:157)
at org.gradle.internal.event.Abstractbroadcastdispatch.dispatch(Abstractbroadcastdispatch.java:58)
at org.gradle.internal.event.broadcastdispatch$Compositedispatch.dispatch(broadcastdispatch.java:346)
at org.gradle.internal.event.broadcastdispatch$Compositedispatch.dispatch(broadcastdispatch.java:249)
at org.gradle.internal.event.Listenerbroadcast.dispatch(Listenerbroadcast.java:141)
at org.gradle.internal.event.Listenerbroadcast.dispatch(Listenerbroadcast.java:37)
at org.gradle.internal.dispatch.ProxydispatchAdapter$dispatchingInvocationHandler.invoke(ProxydispatchAdapter.java:94)
at com.sun.proxy.$Proxy71.completed(UnkNown Source)
at org.gradle.api.internal.tasks.testing.results.StateTrackingTestResultProcessor.completed(StateTrackingTestResultProcessor.java:96)
at org.gradle.api.internal.tasks.testing.results.AttachParentTestResultProcessor.completed(AttachParentTestResultProcessor.java:56)
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 org.gradle.internal.dispatch.Reflectiondispatch.dispatch(Reflectiondispatch.java:36)
问题可能与“ buildscript”和测试块的类加载器有关?添加jacoco-agent-runtime的正确方法是什么?
解决方法
afterTest
org.gradle.api.tasks.testing.TestListener
由Gradle在用于Gradle的VM中执行,但不在VM中进行JaCoCo测试。
为证明:
src/test/java/ExampleTest.java
public class ExampleTest {
@org.junit.Test
public void test() {
System.out.println(java.lang.management.ManagementFactory.getRuntimeMXBean().getName());
}
}
和build.gradle
plugins {
id "java"
}
repositories {
mavenCentral()
}
dependencies {
testImplementation "junit:junit:4.12"
}
test {
testLogging.showStandardStreams = true
afterTest {
System.println(java.lang.management.ManagementFactory.getRuntimeMXBean().getName())
}
}
执行命令gradle build
将产生类似
> Task :test
ExampleTest > test STANDARD_OUT
33542@Godin.local
33018@Godin.local
两个数字33542
和33018
是Java进程的ID,如您所见,它们是不同的。
org.jacoco.agent.rt.RT
仅可用于与在同一VM中运行的JaCoCo通信。
要在另一个VM中与JaCoCo通信,可以使用代理output
模式tcpclient
和tcpserver
,或者通过JMX使用代理选项jmx=true
-请参见https://www.jacoco.org/jacoco/trunk/doc/agent.html对于脱机检测,也可以使用相同的选项-请参见https://www.eclemma.org/jacoco/trunk/doc/offline.html
想法是实现org.gradle.api.tasks.testing.TestListener,并在常规事件(测试开始和测试结束)和转储覆盖范围内重置会话ID。
JUnit 4具有org.junit.runner.notification.RunListener
,它在VM内由JUnit执行以进行测试,其实现示例与您的想法类似,请参见https://github.com/SonarSource/sonar-java/blob/5.14.0.18788/sonar-jacoco-listeners/src/main/java/org/sonar/java/jacoco/JUnitListener.java
很遗憾,根据https://github.com/gradle/gradle/issues/1330
似乎到今天为止,Gradle中没有简单的方法可以将JUnit 4配置为使用org.junit.runner.notification.RunListener
,但是似乎可以将JUnit 5配置为使用其org.junit.platform.launcher.TestExecutionListener
。
您还需要jacoco代理初始化插件。这是maven的示例,但是我确信gradle必须有类似的东西:
value={value.replace(/^\s+/,'')}
' some text' --> 'some text'
' ' --> ''
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