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Typed testkit: Adding proper NoEffects assertions (#25062)

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* Adding proper NoEffects assertions
* Added NoEffects trait for expectations by type
This commit is contained in:
Vasin Ilya 2018-05-21 10:59:34 +03:00 • committed by Christopher Batey
parent eef58946d7
commit 7d0eed0631
3 changed files with 29 additions and 4 deletions
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6
akka-testkit-typed/src/main/scala/akka/testkit/typed/internal/BehaviorTestKitImpl.scala
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@ -69,13 +69,14 @@ private[akka] final class BehaviorTestKitImpl[T](_path: ActorPath, _initialBehav
override def expectEffect(expectedEffect: Effect): Unit = {
ctx.effectQueue.poll() match {
case null ⇒ throw new AssertionError(s"expected: $expectedEffect but no effects were recorded")
case null ⇒ assert(expectedEffect == NoEffects, s"expected: $expectedEffect but no effects were recorded")
case effect ⇒ assert(expectedEffect == effect, s"expected: $expectedEffect but found $effect")
}
}
def expectEffectClass[E <: Effect](effectClass: Class[E]): E = {
ctx.effectQueue.poll() match {
case null if effectClass.isAssignableFrom(NoEffects.getClass) ⇒ effectClass.cast(NoEffects)
case null ⇒ throw new AssertionError(s"expected: effect type ${effectClass.getName} but no effects were recorded")
case effect if effectClass.isAssignableFrom(effect.getClass) ⇒ effect.asInstanceOf[E]
case other ⇒ throw new AssertionError(s"expected: effect class ${effectClass.getName} but found $other")
@ -84,7 +85,8 @@ private[akka] final class BehaviorTestKitImpl[T](_path: ActorPath, _initialBehav
def expectEffectPF[R](f: PartialFunction[Effect, R]): R = {
ctx.effectQueue.poll() match {
case null ⇒ throw new AssertionError(s"expected matching effect but no effects were recorded")
case null if f.isDefinedAt(NoEffects) ⇒
f.apply(NoEffects)
case eff if f.isDefinedAt(eff) ⇒
f.apply(eff)
case other ⇒

7
akka-testkit-typed/src/main/scala/akka/testkit/typed/scaladsl/Effects.scala
View file

@ -137,5 +137,10 @@ object Effects {
/**
* Used to represent an empty list of effects - in other words, the behavior didn't do anything observable
*/
case object NoEffects extends Effect
case object NoEffects extends NoEffects
/**
* Used for NoEffects expectations by type
*/
sealed trait NoEffects extends Effect
}

20
akka-testkit-typed/src/test/scala/akka/testkit/typed/scaladsl/BehaviorTestKitSpec.scala
View file

@ -7,7 +7,7 @@ package akka.testkit.typed.scaladsl
import akka.Done
import akka.actor.typed.scaladsl.Behaviors
import akka.actor.typed.{ ActorRef, Behavior, Props }
import akka.testkit.typed.scaladsl.Effects.{ Spawned, SpawnedAdapter, SpawnedAnonymous, SpawnedAnonymousAdapter, Watched, Unwatched }
import akka.testkit.typed.scaladsl.Effects.{ NoEffects, Spawned, SpawnedAdapter, SpawnedAnonymous, SpawnedAnonymousAdapter, Unwatched, Watched }
import akka.testkit.typed.scaladsl.BehaviorTestKitSpec.{ Child, Father }
import akka.testkit.typed.scaladsl.BehaviorTestKitSpec.Father._
import org.scalatest.{ Matchers, WordSpec }
@ -114,6 +114,16 @@ class BehaviorTestKitSpec extends WordSpec with Matchers {
spawnAnonymous.props should ===(Props.empty)
}
"allow expecting NoEffects by type" in {
val testkit = BehaviorTestKit[Father.Command](Father.init)
testkit.expectEffectType[NoEffects]
}
"allow expecting NoEffects" in {
val testkit = BehaviorTestKit[Father.Command](Father.init)
testkit.expectEffect(NoEffects)
}
"return if effects have taken place" in {
val testkit = BehaviorTestKit[Father.Command](Father.init)
testkit.hasEffects() should ===(false)
@ -140,6 +150,14 @@ class BehaviorTestKitSpec extends WordSpec with Matchers {
}
childName should ===("child0")
}
"allow assertions using partial functions - match on NoEffect" in {
val testkit = BehaviorTestKit[Father.Command](Father.init)
val hasEffects = testkit.expectEffectPF {
case NoEffects ⇒ false
}
hasEffects should ===(false)
}
}
"BehaviorTestkit's spawn" must {