Jacoco Gradle Plugin - jacocoTestCoverageVerification task issues

[Shreya Jivani]

Hi, 

We are trying to implement a test coverage threshold to fail the build if the coverage drops below a certain limit.  We are using the jacocoTestCoverageVerification gradle task as listed here: https://docs.gradle.org/current/dsl/org.gradle.testing.jacoco.tasks.JacocoCoverageVerification.html

The build doesn't seem to fail with this configuration. Do we need the verification task to depend on another task.

Here is the related configuration in our build.gradle file: 

I apply the plugin jacoco with my other plugins. 

def getProjectList() {
// These projects are considered. Replace with a different list as needed.
subprojects + project
}

task jacocoMerge(type: JacocoMerge) {
group = LifecycleBasePlugin.VERIFICATION_GROUP
description = 'Merge the JaCoCo data files from all subprojects into one'
project.afterEvaluate { // do it at the end of the config phase to be sure all information is present
FileCollection execFiles = project.objects.fileCollection() // an empty FileCollection
getProjectList().each { Project subproject ->
if (subproject.pluginManager.hasPlugin('jacoco')) {
def testTasks = subproject.tasks.withType(Test)
dependsOn(testTasks) // ensure that .exec files are actually present

testTasks.each { Test task ->
// The JacocoTaskExtension is the source of truth for the location of the .exec file.
JacocoTaskExtension extension = task.getExtensions().findByType(JacocoTaskExtension.class)
if (extension != null) {
execFiles.from extension.getDestinationFile()
}
}
}
}
executionData = execFiles
}
doFirst {
// .exec files might be missing if a project has no tests. Filter in execution phase.
executionData = executionData.filter { it.canRead() }
}
}

def getReportTasks(JacocoReport pRootTask) {
getProjectList().collect {
it.tasks.withType(JacocoReport).findAll { it != pRootTask }
}.flatten()
}

task jacocoRootReport(type: JacocoReport, dependsOn: tasks.jacocoMerge) {
group = LifecycleBasePlugin.VERIFICATION_GROUP
description = 'Generates an aggregate report from all subprojects'

logger.lifecycle 'Using aggregated file: ' + tasks.jacocoMerge.destinationFile
executionData.from tasks.jacocoMerge.destinationFile

project.afterEvaluate {
// The JacocoReport tasks are the source of truth for class files and sources.
def reportTasks = getReportTasks(tasks.jacocoRootReport)
classDirectories.from project.files({
reportTasks.collect {it.classDirectories.files.collect{
fileTree(dir: it, exclude: [
'**/domain/**'
])
}}.findAll {it != null}
})
sourceDirectories.from project.files({
reportTasks.collect {it.sourceDirectories}.findAll {it != null}
})
}
}

Here is the task configuration in our gradle file - Note that its a multi module project:

  jacocoTestCoverageVerification {
violationRules {
rule {
enabled = true
element = 'CLASS'
includes = ['org.xyz.*']
limit {
counter = 'LINE'
value = 'COVEREDCOUNT'
minimum = 20000000
}
}
}
}
check.dependsOn jacocoTestCoverageVerification

Please let me know if I can add any other details to this to move further. 

Thanks!

[Marc Hoffmann]

Please note that the Gradle plugin is maintained by the Gradle project not by JaCoCo. You might better get an answer on their forum.

Regards,

-marc

On 27. Aug 2020, at 17:19, Shreya Jivani <brah...@gmail.com> wrote:

Hi, 

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[Shreya Jivani]

 Thanks Mark, this issue can be closed, I ll open it with the gradle forum.