JavaTestKit spotlight

javatestkit.java

new JavaTestKit(system) {{
  final Props props = new Props(SomeActor.class);
  final ActorRef subject = system.actorOf(props);

  subject.tell("request", getRef());
  expectMsgEquals(duration("1 second"), "response");
      
  new Within(duration("3 seconds")) {
    protected void run() {
      subject.tell("hello", getRef());
      final String reply = expectMsgClass(String.class);
      // analyze reply ...
      expectNoMsg();
    }
  };
}};