build.gradle

//noinspection GroovyAssignabilityCheck
apply plugin: 'scala'
apply plugin: 'idea'

dependencies{
    compile group: 'org.scala-lang', name: 'scala-library', version: '2.12.2'
    compile group: 'org.scala-lang', name: 'scala-reflect', version: '2.12.2'
    compile group: 'ch.qos.logback', name: 'logback-core', version: '1.2.3'
    compile group: 'ch.qos.logback', name: 'logback-classic', version: '1.2.3'
    compile group: 'org.slf4j', name: 'slf4j-api', version: '1.7.25'
    testCompile group: 'org.scalatest', name: 'scalatest_2.12', version: '3.0.3'
    compile group: 'com.typesafe.scala-logging', name: 'scala-logging_2.12', version: '3.7.1'

}

        repositories{
            mavenCentral()
        }

sourceSets{
    main{
        scala{
            srcDirs=['src/main/scala']
        }
        resources{srcDirs=['src/main/resources']}
    }
    test{
        scala{
            srcDirs=['src/test/scala']
        }
        resources{
            srcDirs=['src/test/resources']
        }
    }
}
task scalaTest(dependsOn: ['testClasses'], type: JavaExec) {
  main = 'org.scalatest.tools.Runner'
  args = ['-R', 'build/classes/scala/test', '-o']
  classpath = sourceSets.test.runtimeClasspath
}

test.dependsOn scalaTest