cake と cake じゃない所と

1_disample.scala

package disample

case class DiSampleConfig(foo: Int, bar: String)
object DiSampleConfig {
  implicit val configs: Configs[DiSampleConfig] = Configs { c =>
    DiSampleConfig(
      foo = c.get[Int]("foo"),
      bar = c.get[String]("bar")
    )
  }
}

trait DiSampleComponents {
  lazy val disampleConfig: DiSampleConfig =
    ConfigFactory.load("applocation.conf").get[DiSampleConfig]("disample")
}

2_hoge.scala

package disample.hoge

class HogeDao {
}
 
class HogeService(hogeDao: HogeDao, config: DiSampleConfig) {
}
 
trait HogeComponents {
    self: DiSampleComponents =>
  lazy val hogeDao: HogeDao = new HogeDao()
  lazy val hogeService: HogeService = new HogeService(hogeDao, disampleConfig)
}

3_piyo.scala

package disample.piyo
 
class PiyoDao {
}
 
class PiyoService(piyoDao: PiyoDao, config: DiSampleConfig) {
}

trait PiyoComponents {
    self: DiSampleComponents => 
  lazy val piyoDao: PiyoDao = new PiyoDao()
  lazy val piyoService: PiyoService = new PiyoService(piyoDao, disampleConfig)
}

4_use.scala

trait ComponentRepository extends HogeComponents with PiyoComponents with DiSampleComponents
 
trait AAAController extends ComponentRepository {
  def action = Action {
    hogeService.XXX
  }
}

5_test.scala

class AAAControllerSpec with mockit {
  object AAAController extends AAAController {
    override lazy val hogeDao: HogeDao = mock[HogeDao]
  }
}