Test Akka from Specs2, versions as of Play 2.2.x

AkkaSpecification.scala

import org.specs2.mutable._
import org.specs2.specification._
import org.specs2.matcher._
import org.specs2.execute._
import org.specs2.control.Debug
import org.specs2.main.ArgumentsShortcuts

import akka.testkit.TestKitBase
import akka.actor.ActorSystem

trait AkkaSpecification extends SpecificationStructure
    with org.specs2.mutable.FragmentsBuilder
    with org.specs2.mutable.SpecificationInclusion
    with ArgumentsArgs
    with ArgumentsShortcuts
    with MustMatchers
    with StandardResults
    with StandardMatchResults
    with Contexts 
    with TestKitBase {

  def is = specFragments

  implicit lazy val system = ActorSystem()

  /** transform a context to a result to allow the implicit passing of a context to each example */
  implicit def contextToResult[T](t: MatchResult[T])(implicit context: Context = defaultContext): Result = context(asResult(t))
  /** use an available outside context to transform a function returning a MatchResult into a result */
  implicit def outsideFunctionToResult[T, S](implicit o: Outside[T]) = (f: T => MatchResult[S]) => { o((t1: T) => f(t1).toResult) }

}