public void When_Actor_is_created_Then_it_marks_the_ActorRef_as_consumed()
{
var mailbox = A.Fake <Mailbox>();
var actorInstantiator = A.Fake <ActorInstantiator>();
TestActor actor = null;
ImmutableStack <LocalActorRef> stackDuringActorCreation = null;
A.CallTo(() => actorInstantiator.CreateNewActor()).Invokes(() =>
{
stackDuringActorCreation = ActorHelper.GetActorRefStack();
}).ReturnsLazily(() =>
{
actor = new TestActor();
return(actor);
});
var actorRef = new LocalActorRef(new TestActorSystem(), actorInstantiator, new RootActorPath("test"), mailbox, A.Dummy <InternalActorRef>());
//Send Create message so that the instance is created
actorRef.HandleSystemMessage(new SystemMessageEnvelope(actorRef, new CreateActor(), A.Fake <ActorRef>()));
var actorRefsAddedDuringConstructor = actor.LocalActorRefStackInConstructor.Except(stackDuringActorCreation).ToList();
actorRefsAddedDuringConstructor.Count.Should().Be(1);
actorRefsAddedDuringConstructor[0].Should().BeNull();
}
public void When_handling_CreateActor_message_Then_the_LocalActorRef_is_pushed_to_stack_and_afterwards_removed()
{
var mailbox = A.Fake <Mailbox>();
var actorInstantiator = A.Fake <ActorInstantiator>();
ImmutableStack <LocalActorRef> stackDuringActorCreation = null;
A.CallTo(() => actorInstantiator.CreateNewActor()).Invokes(() =>
{
stackDuringActorCreation = ActorHelper.GetActorRefStack();
}).ReturnsLazily(() => new TestActor());
var actorRef = new LocalActorRef(new TestActorSystem(), actorInstantiator, new RootActorPath("test"), mailbox, A.Dummy <InternalActorRef>());
actorRef.HandleSystemMessage(new SystemMessageEnvelope(actorRef, new CreateActor(), A.Fake <ActorRef>()));
var stackAfterActorCreation = ActorHelper.GetActorRefStack();
stackDuringActorCreation.IsEmpty.Should().BeFalse("The stack should contain one item");
stackDuringActorCreation.Peek().Should().BeSameAs(actorRef, "The item on stack should be the LocalActorRef that creates the actor");
stackDuringActorCreation.Count().Should().Be(1, "The stack should only contain one item.");
(stackAfterActorCreation == null || stackAfterActorCreation.IsEmpty).Should().BeTrue("The stack should be empty after creation");
}
public TestActor()
{
//At this stage base ctor has been called.
//Store what's on the stack right now.
LocalActorRefStackInConstructor = ActorHelper.GetActorRefStack();
}