I got it working like so...
val underTest = TestActorRef(MyActor.props(mockDep))
...
doThrow(new RuntimeException("fail")).when(mockDep).save("shouldFail")
...
EventFilter[RuntimeException](occurrences = 1) intercept {
underTest ! "shouldFail"
}
Worked pretty well.
On Tuesday, February 2, 2016 at 12:51:09 PM UTC-5, Michael Frank wrote:
>
> what behavior are you trying to test with your unit test?
>
> if you are testing the behavior of the process() method with some
> unexpected input (i.e. an exception of a specified type is thrown from
> within the method), then you could use TestActorRef and invoke the
> process() method directly, then await the future. something like:
>
> val actorRef = TestActorRef[MyActor]
> // ... initialize any internal actor state
> val actor = actorRef.underlyingActor
>
> val myBadInput = ...
> a [Exception] should be thrownBy Await.result(actor.process(myBadInput),
> Timeout(5.seconds))
>
> you might also consider extracting the process() method into a separate
> trait, and testing it in isolation from the actor. you could make the
> process() method synchronous in the trait to ease testing, then in your
> actor you can wrap the synchronous call in a future. i like doing it this
> way, it separates the computation part from the coordination part, and
> makes both pieces simpler to test.
>
> -Michael
>
> On 02/01/16 17:22, Paul Cleary wrote:
>
> I have a child actor that I am trying to test using akka test kit.
>
> Pretty simple really:
>
> def receive = {
> case x =>
> process(x).map(_.right) pipeTo sender}
>
>
> The process method yields a future.
>
> Now, I am trying to write a unit test (using the akka test kit), and
> nothing I seem to do captures the error result.
>
> I can force the process method to throw an exception, but I somehow cannot
> assert that it was thrown.
>
> Thank you!
>
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