如何在多項目中設置Jacoco with Spek？

Question

我想測量Jacoco在model項目中的覆蓋範圍，該項目是兒童項目之一。 但是，test任務後，jacocoTestReport任務被跳過。

test：

:model:compileKotlin UP-TO-DATE 
:model:compileJava UP-TO-DATE 
:model:copyMainKotlinClasses UP-TO-DATE 
:model:processResources UP-TO-DATE 
:model:classes UP-TO-DATE 
:model:compileTestKotlin UP-TO-DATE 
:model:compileTestJava UP-TO-DATE 
:model:copyTestKotlinClasses UP-TO-DATE 
:model:processTestResources UP-TO-DATE 
:model:testClasses UP-TO-DATE 
3 10, 2017 8:17:48 org.junit.platform.launcher.core.ServiceLoaderTestEngineRegistry loadTestEngines 
Discovered TestEngines with IDs: [spek] 
:model:junitPlatformTest 
Test run finished after 113 ms 
[   4 containers found  ] 
[   0 containers skipped ] 
[   4 containers started ] 
[   0 containers aborted ] 
[   4 containers successful ] 
[   0 containers failed  ] 
[   1 tests found   ] 
[   0 tests skipped   ] 
[   1 tests started   ] 
[   0 tests aborted   ] 
[   1 tests successful  ] 
[   0 tests failed   ] 
:model:test 
:model:test SKIPPED 

然後，XML文件輸出。 （型號/建設/測試結果/ JUnit的平臺/ TEST-spek.xml）

jacocoTestReport：

:model:compileKotlin UP-TO-DATE 
:model:compileJava UP-TO-DATE 
:model:copyMainKotlinClasses UP-TO-DATE 
:model:processResources UP-TO-DATE 
:model:classes UP-TO-DATE 
:model:jacocoTestReport SKIPPED 

的build.gradle：

buildscript { 
    ext.kotlinVersion = '1.1.0' 
    repositories { 
     mavenLocal() 
     mavenCentral() 
     maven { url "https://oss.sonatype.org/content/repositories/snapshots/" } 
    } 
    dependencies { 
     classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion" 
     classpath "org.junit.platform:junit-platform-gradle-plugin:1.0.0-M3" 
    } 
} 

allprojects { 
    ext { 
     spekVersion = '1.1.0-beta3' 
    } 

    repositories { 
     mavenLocal() 
     mavenCentral() 
     jcenter() 
     maven { url "http://dl.bintray.com/jetbrains/spek" } 
     maven { url "https://oss.sonatype.org/content/repositories/snapshots/" } 
     maven { url "https://oss.sonatype.org/content/repositories/releases/" } 
    } 
} 

project(":model") { 
    apply plugin: "java" 
    apply plugin: "kotlin" 
    apply plugin: 'org.junit.platform.gradle.plugin' 
    apply plugin: "jacoco" 

    jacoco { 
     reportsDir = file("$rootProject.buildDir/reports/jacoco") 
    } 

    jacocoTestReport { 
     reports { 
      html.enabled = true 
      xml.enabled = true 
      csv.enabled = false 
     } 
    } 

    junitPlatform { 
     filters { 
      engines { 
       include 'spek' 
      } 
     } 
    } 

    dependencies { 
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion" 
     testCompile "org.jetbrains.spek:spek-api:$spekVersion" 
     testCompile 'org.amshove.kluent:kluent:1.14' 
     testRuntime "org.jetbrains.spek:spek-junit-platform-engine:$spekVersion" 
     testRuntime 'org.junit.platform:junit-platform-console:1.0.0-M3' 
    } 
} 

我應該怎麼做才能讓jacocoTestReport任務成功？

[編輯]

當我添加onlyIf，jacocoTestReport任務運行，但它仍然失敗。

jacocoTestReport { 
    onlyIf = { 
     true 
    } 
} 

輸出：

:model:compileKotlin UP-TO-DATE 
:model:compileJava UP-TO-DATE 
:model:copyMainKotlinClasses UP-TO-DATE 
:model:processResources UP-TO-DATE 
:model:classes UP-TO-DATE 
:model:jacocoTestReport FAILED 

FAILURE: Build failed with an exception. 

* What went wrong: 
Execution failed for task ':model:jacocoTestReport'. 
> Unable to read execution data file model\build\jacoco\test.exec 

Answer 1

默認情況下，JUnit的搖籃插件禁用標準搖籃測試任務，但是這可以通過enableStandardTestTask標誌覆蓋。看來jacocoTestReport任務正在尋找。

junitPlatform { 
    filters { 
     engines { 
      include 'spek' 
     } 
    } 

    enableStandardTestTask true 
} 

見http://junit.org/junit5/docs/current/user-guide/#running-tests-build