build.gradle

apply plugin: 'idea'
apply plugin: 'java'
apply plugin: 'kotlin'
apply plugin: 'jacoco'

buildscript {
    ext.kotlin_version = '1.3.21'

    repositories {
        mavenCentral()
    }

    dependencies {
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

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

test.finalizedBy jacocoTestReport

sourceSets {
    main.kotlin.srcDirs += 'src/main'
    test.kotlin.srcDirs += 'src/test'
}

repositories {
    mavenCentral()
}

dependencies {
    testCompile 'junit:junit:4.12'
    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
}