[英]How can I test that an akka-streams sink was called?
I have a use case where I pass a sink to some actor - so I can also pass a TestSink我有一个用例,我将接收器传递给某个演员 - 所以我也可以传递一个 TestSink
When that actor receives a message I pass a message to that sink using当那个演员收到一条消息时,我将一条消息传递给那个接收器,使用
case class SomeActor[T, U](sink: Sink[U, NotUsed] {
def behavior: Behavior[T] = Behavors.receive[T] { (ctx, msg) =>
msg match {
case MessageT =>
ref = sink.runWith(ActorSource.actorRef[U](PartialFunction.empty, PartialFunction.empty, 0, OverflowStrategy.fail)
ref ! MessageU
Behaviors.same
}
}
}
How can I test that the sink has received MessageU
?如何测试接收器是否已收到
MessageU
?
Try using akka-stream-testkit ( https://doc.akka.io/docs/akka/current/stream/stream-testkit.html ).尝试使用 akka-stream-testkit ( https://doc.akka.io/docs/akka/current/stream/stream-testkit.html )。 Test code for your example (omitting types to keep it clean):
您的示例的测试代码(省略类型以保持清洁):
val probe = TestProbe()
val sink = Sink.actorRef(probe.ref, onCompleteMessage = "completed", onFailureMessage = _ => "failed"))
val someActor = SomeActor(sink)
// use someActor.behavior
probe.expectMsg(1.second, MessageU)
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