pekko/akka-actor-tests/src/test/scala/akka/pattern/PatternSpec.scala

70 lines
2.4 KiB
Scala

/**
* Copyright (C) 2009-2016 Typesafe Inc. <http://www.typesafe.com>
*/
package akka.pattern
import language.postfixOps
import akka.testkit.{ TestLatch, AkkaSpec }
import akka.actor.{ Props, Actor }
import java.util.concurrent.TimeoutException
import scala.concurrent.{ Future, Promise, Await }
import scala.concurrent.duration._
object PatternSpec {
final case class Work(duration: Duration)
class TargetActor extends Actor {
def receive = {
case (testLatch: TestLatch, duration: FiniteDuration)
Await.ready(testLatch, duration)
}
}
}
@org.junit.runner.RunWith(classOf[org.scalatest.junit.JUnitRunner])
class PatternSpec extends AkkaSpec("akka.actor.serialize-messages = off") {
implicit val ec = system.dispatcher
import PatternSpec._
"pattern.gracefulStop" must {
"provide Future for stopping an actor" in {
val target = system.actorOf(Props[TargetActor])
val result = gracefulStop(target, 5 seconds)
Await.result(result, 6 seconds) should ===(true)
}
"complete Future when actor already terminated" in {
val target = system.actorOf(Props[TargetActor])
Await.ready(gracefulStop(target, 5 seconds), 6 seconds)
Await.ready(gracefulStop(target, 1 millis), 1 second)
}
"complete Future with AskTimeoutException when actor not terminated within timeout" in {
val target = system.actorOf(Props[TargetActor])
val latch = TestLatch()
target ! ((latch, remainingOrDefault))
intercept[AskTimeoutException] { Await.result(gracefulStop(target, 500 millis), remainingOrDefault) }
latch.open()
}
}
"pattern.after" must {
"be completed successfully eventually" in {
// TODO after is unfortunately shadowed by ScalaTest, fix as part of #3759
val f = akka.pattern.after(1 second, using = system.scheduler)(Promise.successful(5).future)
val r = Future.firstCompletedOf(Seq(Promise[Int]().future, f))
Await.result(r, remainingOrDefault) should ===(5)
}
"be completed abnormally eventually" in {
// TODO after is unfortunately shadowed by ScalaTest, fix as part of #3759
val f = akka.pattern.after(1 second, using = system.scheduler)(Promise.failed(new IllegalStateException("Mexico")).future)
val r = Future.firstCompletedOf(Seq(Promise[Int]().future, f))
intercept[IllegalStateException] { Await.result(r, remainingOrDefault) }.getMessage should ===("Mexico")
}
}
}