wulkanowy-mod/app/jacoco.gradle

apply plugin: "jacoco"

jacoco {
    toolVersion "0.8.1"
    reportsDir = file("$buildDir/reports")
}

tasks.withType(Test) {
    jacoco.includeNoLocationClasses = true
}

// run ./gradlew clean createDebugCoverageReport jacocoTestReport
task jacocoTestReport(type: JacocoReport) {

    group = "Reporting"
    description = "Generate Jacoco coverage reports"

    reports {
        xml.enabled = true
        html.enabled = true
    }

    def excludes = ['**/R.class',
                    '**/R$*.class',
                    '**/BuildConfig.*',
                    '**/Manifest*.*',
                    '**/*Test*.*',
                    'android/**/*.*',
                    '**/*Module.*',
                    '**/*Dagger*.*',
                    '**/*MembersInjector*.*',
                    '**/*_Provide*Factory*.*',
                    '**/*_Factory.*',
                    '**/*$*$*.*'
    ]

    // generated classes
    classDirectories = fileTree(
            // Java generated classes on Android project (debug build)
            dir: "$buildDir/intermediates/classes/debug",
            excludes: excludes
    ) + fileTree(
            // Kotlin generated classes on Android project (debug build)
            dir: "$buildDir/tmp/kotlin-classes/debug",
            excludes: excludes
    )

    sourceDirectories = files("$project.projectDir/src/main/java")
    executionData = fileTree(
            dir: project.projectDir,
            includes: ["**/*.exec", "**/*.ec"]
    )
}