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AkkaSpecification - Specs2 specification trait for using the Akka testkit
package org.specs2
package mutable
import org.specs2.execute.StandardResults
import org.specs2.main.ArgumentsShortcuts
import org.specs2.matcher.MustThrownMatchers
import org.specs2.specification.AutoExamples
import org.specs2.specification.FormattingFragments
import org.specs2.matcher.ShouldThrownMatchers
import org.specs2.specification.SpecificationStructure
import org.specs2.specification.Outside
import org.specs2.matcher.StandardMatchResults
import org.specs2.control.Debug
import org.specs2.execute.PendingUntilFixed
import org.specs2.specification.Context
import org.specs2.specification.Contexts
import org.specs2.matcher.MatchResult
import org.specs2.execute.Result
import akka.testkit.TestKit
import com.typesafe.config.ConfigFactory
import org.specs2.specification.Scope
import com.typesafe.config.Config
import org.specs2.specification.AroundOutside
import akka.testkit.TestActorRef
import akka.util.Duration
trait AkkaSpecification extends SpecificationStructure with AkkaSpecificationFeatures {
def is = specFragments
def akkaTestSystem(config: String) = ActorSystem("testSystem", ConfigFactory.parseString(config).withFallback(ConfigFactory.load()));
val debugConfig: String = """akka {
loglevel = DEBUG
actor {
debug {
receive = on
autoreceive = on
lifecycle = on
val config: String = """akka {
loglevel = WARNING
actor {
debug {
receive = off
autoreceive = off
lifecycle = off
* used to create a specs2 Scope with the akka TestKit
* Example:
* val akkaSystem = akkaTestSystem(config)
* class setup extends AkkaKit(akkaSystem) {
* system.eventStream.subscribe(testActor, classOf[UnhandledMessage])
* }
* "some test" in new setup { test code }
abstract class AkkaKit(_system: ActorSystem) extends TestKit(_system) with Scope
trait DeactivatedTimeConversions extends org.specs2.time.TimeConversions {
override def intToRichLong(v: Int) = super.intToRichLong(v)
override def longToRichLong(v: Long) = super.longToRichLong(v)
//TODO: add implicit conversion from Akka duration to Specs2 duration, once specs2 is version 1.8 and Duration is easier to get at
trait AkkaSpecificationFeatures extends FragmentsBuilder
with mutable.SpecificationInclusion
with ArgumentsArgs
with ArgumentsShortcuts
with MustThrownMatchers
with ShouldThrownMatchers
with FormattingFragments
with StandardResults
with StandardMatchResults
with AutoExamples
with DeactivatedTimeConversions
with PendingUntilFixed
with Contexts
with Debug {
/** 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) }
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