public void PersistentFSM_must_recover_successfully_with_correct_state_timeout()
{
var dummyReportActorRef = CreateTestProbe().Ref;
var fsmRef = Sys.ActorOf(WebStoreCustomerFSM.Props(Name, dummyReportActorRef));
Watch(fsmRef);
fsmRef.Tell(new SubscribeTransitionCallBack(TestActor));
var shirt = new Item("1", "Shirt", 59.99F);
fsmRef.Tell(new AddItem(shirt));
var userState1 = ExpectMsg <CurrentState <IUserState> >();
userState1.FsmRef.Should().Be(fsmRef);
userState1.State.Should().Be(LookingAround.Instance);
var transition1 = ExpectMsg <Transition <IUserState> >();
transition1.FsmRef.Should().Be(fsmRef);
transition1.From.Should().Be(LookingAround.Instance);
transition1.To.Should().Be(Shopping.Instance);
ExpectNoMsg(TimeSpan.FromSeconds(0.6)); // arbitrarily chosen delay, less than the timeout, before stopping the FSM
fsmRef.Tell(PoisonPill.Instance);
ExpectTerminated(fsmRef);
var recoveredFsmRef = Sys.ActorOf(Props.Create(() => new WebStoreCustomerFSM(Name, dummyReportActorRef)));
Watch(recoveredFsmRef);
recoveredFsmRef.Tell(new SubscribeTransitionCallBack(TestActor));
var userState2 = ExpectMsg <CurrentState <IUserState> >();
userState2.FsmRef.Should().Be(recoveredFsmRef);
userState2.State.Should().Be(Shopping.Instance);
Within(TimeSpan.FromSeconds(0.9), RemainingOrDefault, () =>
{
var transition2 = ExpectMsg <Transition <IUserState> >();
transition2.FsmRef.Should().Be(recoveredFsmRef);
transition2.From.Should().Be(Shopping.Instance);
transition2.To.Should().Be(Inactive.Instance);
});
ExpectNoMsg(TimeSpan.FromSeconds(0.6)); // arbitrarily chosen delay, less than the timeout, before stopping the FSM
recoveredFsmRef.Tell(PoisonPill.Instance);
ExpectTerminated(recoveredFsmRef);
var recoveredFsmRef2 = Sys.ActorOf(Props.Create(() => new WebStoreCustomerFSM(Name, dummyReportActorRef)));
Watch(recoveredFsmRef2);
recoveredFsmRef2.Tell(new SubscribeTransitionCallBack(TestActor));
var userState3 = ExpectMsg <CurrentState <IUserState> >();
userState3.FsmRef.Should().Be(recoveredFsmRef2);
userState3.State.Should().Be(Inactive.Instance);
ExpectTerminated(recoveredFsmRef2);
}
public void PersistentFSM_must_has_function_as_regular_fsm_on_state_timeout()
{
var dummyReportActorRef = CreateTestProbe().Ref;
var fsmRef = Sys.ActorOf(WebStoreCustomerFSM.Props(Name, dummyReportActorRef));
Watch(fsmRef);
fsmRef.Tell(new SubscribeTransitionCallBack(TestActor));
var shirt = new Item("1", "Shirt", 59.99F);
fsmRef.Tell(new AddItem(shirt));
var userState = ExpectMsg <CurrentState <IUserState> >();
userState.FsmRef.Should().Be(fsmRef);
userState.State.Should().Be(LookingAround.Instance);
var transition1 = ExpectMsg <Transition <IUserState> >();
transition1.FsmRef.Should().Be(fsmRef);
transition1.From.Should().Be(LookingAround.Instance);
transition1.To.Should().Be(Shopping.Instance);
Within(TimeSpan.FromSeconds(0.9), RemainingOrDefault, () =>
{
var transition2 = ExpectMsg <Transition <IUserState> >();
transition2.FsmRef.Should().Be(fsmRef);
transition2.From.Should().Be(Shopping.Instance);
transition2.To.Should().Be(Inactive.Instance);
});
ExpectTerminated(fsmRef);
}
public void PersistentFSM_must_execute_the_defined_actions_following_successful_persistence_of_FSM_stop()
{
var reportActorProbe = CreateTestProbe(Sys);
var fsmRef = Sys.ActorOf(WebStoreCustomerFSM.Props(Name, reportActorProbe.Ref));
Watch(fsmRef);
fsmRef.Tell(new SubscribeTransitionCallBack(TestActor));
var shirt = new Item("1", "Shirt", 59.99F);
var shoes = new Item("2", "Shoes", 89.99F);
var coat = new Item("3", "Coat", 119.99F);
fsmRef.Tell(new AddItem(shirt));
fsmRef.Tell(new AddItem(shoes));
fsmRef.Tell(new AddItem(coat));
fsmRef.Tell(new Leave());
var userState = ExpectMsg <CurrentState <IUserState> >();
userState.FsmRef.Should().Be(fsmRef);
userState.State.Should().Be(LookingAround.Instance);
var transition = ExpectMsg <Transition <IUserState> >();
transition.FsmRef.Should().Be(fsmRef);
transition.From.Should().Be(LookingAround.Instance);
transition.To.Should().Be(Shopping.Instance);
reportActorProbe.ExpectMsg <ShoppingCardDiscarded>();
ExpectTerminated(fsmRef);
}
public void PersistentFSM_must_persist_snapshot()
{
var dummyReportActorRef = CreateTestProbe().Ref;
var fsmRef = Sys.ActorOf(WebStoreCustomerFSM.Props(Name, dummyReportActorRef));
Watch(fsmRef);
var shirt = new Item("1", "Shirt", 59.99F);
var shoes = new Item("2", "Shoes", 89.99F);
var coat = new Item("3", "Coat", 119.99F);
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new AddItem(shirt));
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new AddItem(shoes));
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new AddItem(coat));
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new Buy());
fsmRef.Tell(new GetCurrentCart());
ExpectMsg <EmptyShoppingCart>();
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes, coat);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes, coat);
ExpectNoMsg(1.Seconds());
fsmRef.Tell(PoisonPill.Instance);
ExpectTerminated(fsmRef);
var recoveredFsmRef = Sys.ActorOf(WebStoreCustomerFSM.Props(Name, dummyReportActorRef));
recoveredFsmRef.Tell(new GetCurrentCart());
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes, coat);
Watch(recoveredFsmRef);
recoveredFsmRef.Tell(PoisonPill.Instance);
ExpectTerminated(recoveredFsmRef);
var persistentEventsStreamer = Sys.ActorOf(PersistentEventsStreamer.Props(Name, TestActor));
ExpectMsg <SnapshotOffer>();
Watch(persistentEventsStreamer);
persistentEventsStreamer.Tell(PoisonPill.Instance);
ExpectTerminated(persistentEventsStreamer);
}
public void PersistentFSM_must_has_function_as_regular_fsm()
{
var dummyReportActorRef = CreateTestProbe().Ref;
var fsmRef = Sys.ActorOf(WebStoreCustomerFSM.Props(Name, dummyReportActorRef));
Watch(fsmRef);
fsmRef.Tell(new SubscribeTransitionCallBack(TestActor));
var shirt = new Item("1", "Shirt", 59.99F);
var shoes = new Item("2", "Shoes", 89.99F);
var coat = new Item("3", "Coat", 119.99F);
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new AddItem(shirt));
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new AddItem(shoes));
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new AddItem(coat));
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new Buy());
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new Leave());
var userState = ExpectMsg <CurrentState <IUserState> >();
userState.FsmRef.Should().Be(fsmRef);
userState.State.Should().Be(LookingAround.Instance);
ExpectMsg <EmptyShoppingCart>();
var transition1 = ExpectMsg <Transition <IUserState> >();
transition1.FsmRef.Should().Be(fsmRef);
transition1.From.Should().Be(LookingAround.Instance);
transition1.To.Should().Be(Shopping.Instance);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes, coat);
var transition2 = ExpectMsg <Transition <IUserState> >();
transition2.FsmRef.Should().Be(fsmRef);
transition2.From.Should().Be(Shopping.Instance);
transition2.To.Should().Be(Paid.Instance);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes, coat);
ExpectTerminated(fsmRef);
}
public void PersistentFSM_must_not_persist_state_change_event_when_staying_in_the_same_state()
{
var dummyReportActorRef = CreateTestProbe().Ref;
var fsmRef = Sys.ActorOf(WebStoreCustomerFSM.Props(Name, dummyReportActorRef));
Watch(fsmRef);
var shirt = new Item("1", "Shirt", 59.99F);
var shoes = new Item("2", "Shoes", 89.99F);
var coat = new Item("3", "Coat", 119.99F);
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new AddItem(shirt));
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new AddItem(shoes));
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new AddItem(coat));
fsmRef.Tell(new GetCurrentCart());
ExpectMsg <EmptyShoppingCart>();
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes, coat);
fsmRef.Tell(PoisonPill.Instance);
ExpectTerminated(fsmRef);
var persistentEventsStreamer = Sys.ActorOf(PersistentEventsStreamer.Props(Name, TestActor));
ExpectMsg <ItemAdded>().Item.Should().Be(shirt);
ExpectMsg <PersistentFSM.StateChangeEvent>();
ExpectMsg <ItemAdded>().Item.Should().Be(shoes);
ExpectMsg <PersistentFSM.StateChangeEvent>();
ExpectMsg <ItemAdded>().Item.Should().Be(coat);
ExpectMsg <PersistentFSM.StateChangeEvent>();
Watch(persistentEventsStreamer);
persistentEventsStreamer.Tell(PoisonPill.Instance);
ExpectTerminated(persistentEventsStreamer);
}
public void PersistentFSM_must_recover_successfully_with_correct_state_data()
{
var dummyReportActorRef = CreateTestProbe().Ref;
var fsmRef = Sys.ActorOf(WebStoreCustomerFSM.Props(Name, dummyReportActorRef));
Watch(fsmRef);
fsmRef.Tell(new SubscribeTransitionCallBack(TestActor));
var shirt = new Item("1", "Shirt", 59.99F);
var shoes = new Item("2", "Shoes", 89.99F);
var coat = new Item("3", "Coat", 119.99F);
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new AddItem(shirt));
fsmRef.Tell(new GetCurrentCart());
fsmRef.Tell(new AddItem(shoes));
fsmRef.Tell(new GetCurrentCart());
var userState1 = ExpectMsg <CurrentState <IUserState> >();
userState1.FsmRef.Should().Be(fsmRef);
userState1.State.Should().Be(LookingAround.Instance);
ExpectMsg <EmptyShoppingCart>();
var transition1 = ExpectMsg <Transition <IUserState> >();
transition1.FsmRef.Should().Be(fsmRef);
transition1.From.Should().Be(LookingAround.Instance);
transition1.To.Should().Be(Shopping.Instance);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes);
fsmRef.Tell(PoisonPill.Instance);
ExpectTerminated(fsmRef);
var recoveredFsmRef = Sys.ActorOf(Props.Create(() => new WebStoreCustomerFSM(Name, dummyReportActorRef)));
Watch(recoveredFsmRef);
recoveredFsmRef.Tell(new SubscribeTransitionCallBack(TestActor));
recoveredFsmRef.Tell(new GetCurrentCart());
recoveredFsmRef.Tell(new AddItem(coat));
recoveredFsmRef.Tell(new GetCurrentCart());
recoveredFsmRef.Tell(new Buy());
recoveredFsmRef.Tell(new GetCurrentCart());
recoveredFsmRef.Tell(new Leave());
var userState2 = ExpectMsg <CurrentState <IUserState> >();
userState2.FsmRef.Should().Be(recoveredFsmRef);
userState2.State.Should().Be(Shopping.Instance);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes, coat);
var transition2 = ExpectMsg <Transition <IUserState> >();
transition2.FsmRef.Should().Be(recoveredFsmRef);
transition2.From.Should().Be(Shopping.Instance);
transition2.To.Should().Be(Paid.Instance);
ExpectMsg <NonEmptyShoppingCart>().Items.Should().ContainInOrder(shirt, shoes, coat);
ExpectTerminated(recoveredFsmRef);
}