Package akka.testkit

Examples of akka.testkit.TestProbe

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  //#demo-transition

  @Test
  public void demonstrateUsage() {
    final TestProbe probe = TestProbe.apply(system);
    final ActorRef target = probe.ref();
    final ActorRef parent = system.actorOf(Props.create(ProxyParent.class, target.path()));
    parent.tell("hello", null);
    probe.expectMsg("world!");
  }
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  @Test
  public void demonstrateTransitions() {
    final ActorRef target = TestProbe.apply(system).ref();
    final ActorRef parent = system.actorOf(Props.create(ProxyTransitionParent.class, target.path()));
    final TestProbe probe = TestProbe.apply(system);
    parent.tell("hello", probe.ref());
    probe.expectMsg("done");
  }
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  }

  @org.junit.Test
  public void mustBunch() {
    final ActorRef buncher = system.actorOf(Props.create(MyFSM.class));
    final TestProbe probe = new TestProbe(system);
    buncher.tell(new SetTarget(probe.ref()), ActorRef.noSender());
    buncher.tell(new Queue(1), ActorRef.noSender());
    buncher.tell(new Queue(2), ActorRef.noSender());
    buncher.tell(flush, ActorRef.noSender());
    buncher.tell(new Queue(3), ActorRef.noSender());
    final Batch b = probe.expectMsgClass(Batch.class);
    assert b.objects.size() == 2;
    assert b.objects.contains(1);
    assert b.objects.contains(2);
  }
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    child.tell(new NullPointerException(), ActorRef.noSender());
    assert Await.result(ask(child, "get", 5000), timeout).equals(0);
    //#restart

    //#stop
    final TestProbe probe = new TestProbe(system);
    probe.watch(child);
    child.tell(new IllegalArgumentException(), ActorRef.noSender());
    probe.expectMsgClass(Terminated.class);
    //#stop

    //#escalate-kill
    child = (ActorRef) Await.result(ask(supervisor,
      Props.create(Child.class), 5000), timeout);
    probe.watch(child);
    assert Await.result(ask(child, "get", 5000), timeout).equals(0);
    child.tell(new Exception(), ActorRef.noSender());
    probe.expectMsgClass(Terminated.class);
    //#escalate-kill

    //#escalate-restart
    superprops = Props.create(Supervisor2.class);
    supervisor = system.actorOf(superprops);
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  }
  //#test-dependentparent-generic

  @Test
  public void testingWithoutParent() {
    TestProbe probe = new TestProbe(system);
    ActorRef child = system.actorOf(Props.create(DependentChild.class, probe.ref()));
    probe.send(child, "ping");
    probe.expectMsg("pong");
  }
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    probe.expectMsg("pong");
  }

  @Test
  public void testingWithCustomProps() {
    TestProbe probe = new TestProbe(system);
    Props childProps = Props.create(MockedChild.class);
    TestActorRef<DependentParent> parent = TestActorRef.create(system, Props.create(DependentParent.class, childProps));

    probe.send(parent, "pingit");

    // test some parent state change
    assertTrue(parent.underlyingActor().ponged == true || parent.underlyingActor().ponged == false);
  }
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  }


  @Test
  public void testingWithChildProbe() throws Exception {
    final TestProbe probe = new TestProbe(system);
    //#child-maker-test
    Function<ActorRefFactory, ActorRef> maker = new Function<ActorRefFactory, ActorRef>() {
      @Override public ActorRef apply(ActorRefFactory param) throws Exception {
        return probe.ref();
      }
    };
    ActorRef parent = system.actorOf(Props.create(GenericDependentParent.class, maker));
    //#child-maker-test
    probe.send(parent, "pingit");
    probe.expectMsg("ping");
  }
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  @Test
  public void fabricatedParentTestsItsChildResponses() throws Exception {
    // didn't put final on these in order to make the parent fit in one line in the html docs
    //#test-fabricated-parent
    TestProbe proxy = new TestProbe(system);
    ActorRef parent = system.actorOf(Props.create(new FabricatedParentCreator(proxy)));

    proxy.send(parent, "ping");
    proxy.expectMsg("pong");
    //#test-fabricated-parent
  }
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    child.tell(new NullPointerException(), ActorRef.noSender());
    assert Await.result(ask(child, "get", 5000), timeout).equals(0);
    //#restart

    //#stop
    final TestProbe probe = new TestProbe(system);
    probe.watch(child);
    child.tell(new IllegalArgumentException(), ActorRef.noSender());
    probe.expectMsgClass(Terminated.class);
    //#stop

    //#escalate-kill
    child = (ActorRef) Await.result(ask(supervisor,
      Props.create(Child.class), 5000), timeout);
    probe.watch(child);
    assert Await.result(ask(child, "get", 5000), timeout).equals(0);
    child.tell(new Exception(), ActorRef.noSender());
    probe.expectMsgClass(Terminated.class);
    //#escalate-kill

    //#escalate-restart
    superprops = Props.create(Supervisor2.class);
    supervisor = system.actorOf(superprops);
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        assertEquals("Ask (Identify) should return the proper ActorIdentity", testActor, id.getRef());
    }

    @Test
    public void usePipe() throws Exception {
        TestProbe probe = new TestProbe(system);
        pipe(Futures.successful("ho!"), system.dispatcher()).to(probe.ref());
        probe.expectMsg("ho!");
    }
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Related Classes of akka.testkit.TestProbe

  • akka.actor.JavaAPI
  • akka.actor.StashJavaAPI
  • akka.contrib.pattern.ReliableProxyTest
  • akka.pattern.PatternsTest
  • docs.actor.FaultHandlingTest
  • docs.actor.FSMDocTest
  • docs.testkit.ParentChildTest
  • org.akka.essentials.supervisor.example1.SupervisorTest
  • org.akka.essentials.supervisor.example2.SupervisorTest
  • org.akka.essentials.supervisor.example3.SupervisorTest
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