[英]coverage per test with gradle using jacoco offline instrumentation - java.lang.IllegalStateException: JaCoCo agent not started
我正在嘗試使用 gradle+jacoco 對每個測試進行覆蓋。
想法是實現org.gradle.api.tasks.testing.TestListener
,並在常規事件(測試開始和測試結束)和轉儲覆蓋率時重置 session-id。
(演示問題的整個項目位於https://github.com/jayanmn/gradle-coverage-per-test-debug/tree/main )
檢測是通過 jacoco-offline 檢測使用 gradle 中的 ant 任務完成的。 (離線,因為測試環境包括一些測試 - 有點集成類型)。
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'
}
}
依賴部分如下所示
dependencies {
//offline instrument via ant task
jacocoAnt group: 'org.jacoco', name: 'org.jacoco.ant', version: '0.8.5', classifier: 'nodeps'
//the jacoco runtime private for RT.getAgent()
jacocoRuntime group: 'org.jacoco', name: 'org.jacoco.agent', version: '0.8.5', classifier: 'runtime'
testImplementation 'junit:junit:4.12'
}
運行測試(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)
}
}
因為某些原因
> 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)
問題可能出在“buildscript”和測試塊的類加載器上? 添加 jacoco-agent-runtime 的正確方法是什么?
afterTest
org.gradle.api.tasks.testing.TestListener
在用於 Gradle 的 VM 中由 Gradle 執行,但不在用於使用 JaCoCo 進行測試的 VM 中執行。
對於證明:
對於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())
}
}
命令gradle build
執行將產生類似
> Task :test
ExampleTest > test STANDARD_OUT
33542@Godin.local
33018@Godin.local
兩個數字33542
和33018
是 Java 進程的 ID,如您所見,它們是不同的。
org.jacoco.agent.rt.RT
只能用於與運行在同一 VM 中的 JaCoCo 進行通信。
要與另一個 VM 中的 JaCoCo 通信,您可以使用代理output
模式tcpclient
和tcpserver
,或通過 JMX 使用代理選項jmx=true
- 參見https://www.jacoco.org/jacoco/trunk/doc/agent.html和相同適用於離線儀器的選項 - 請參閱https://www.eclemma.org/jacoco/trunk/doc/offline.html
想法是實現 org.gradle.api.tasks.testing.TestListener,並在常規事件(測試開始和測試結束)和轉儲覆蓋率時重置 session-id。
JUnit 4 有org.junit.runner.notification.RunListener
,它在 VM 內執行以供 JUnit 進行測試,其實現示例類似於您的想法, 請訪問https://github.com/SonarSource/sonar-java/blob /5.14.0.18788/sonar-jacoco-listeners/src/main/java/org/sonar/java/jacoco/JUnitListener.java
不幸的是,根據https://github.com/gradle/gradle/issues/1330似乎截至今天,在 Gradle 中沒有簡單的方法來配置 JUnit 4 以使用org.junit.runner.notification.RunListener
,但似乎有可能配置 JUnit 5 以使用其org.junit.platform.launcher.TestExecutionListener
。
您還需要 jacoco 代理初始化插件。 這是 Maven 示例,但我確信 gradle 必須有類似的東西:
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>${jacoco.version}</version>
<executions>
<execution>
<id>jacoco-initialize</id>
<goals>
<goal>prepare-agent</goal>
</goals>
<configuration>
<destFile>${basedir}\target\jacoco.exec</destFile>
<propertyName>argLine</propertyName>
</configuration>
</execution>
<execution>
<id>jacoco-site</id>
<phase>package</phase>
<goals>
<goal>report</goal>
</goals>
<configuration>
<dataFile>${basedir}\target\jacoco.exec</dataFile>
<outputDirectory>${basedir}\target</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.