public void Listener_must_listen_in()
{
//arrange
var fooLatch = new TestLatch(2);
var barLatch = new TestLatch(2);
var barCount = new AtomicCounter(0);
var broadcast = Sys.ActorOf<BroadcastActor>();
var newListenerProps = Props.Create(() => new ListenerActor(fooLatch, barLatch, barCount));
var a1 = Sys.ActorOf(newListenerProps);
var a2 = Sys.ActorOf(newListenerProps);
var a3 = Sys.ActorOf(newListenerProps);
//act
broadcast.Tell(new Listen(a1));
broadcast.Tell(new Listen(a2));
broadcast.Tell(new Listen(a3));
broadcast.Tell(new Deafen(a3));
broadcast.Tell(new WithListeners(a => a.Tell("foo")));
broadcast.Tell("foo");
//assert
barLatch.Ready(TestLatch.DefaultTimeout);
Assert.Equal(2, barCount.Current);
fooLatch.Ready(TestLatch.DefaultTimeout);
foreach (var actor in new[] {a1, a2, a3, broadcast})
{
Sys.Stop(actor);
}
}
public void Smallest_mailbox_pool_must_deliver_messages_to_idle_actor()
{
var usedActors = new ConcurrentDictionary<int, string>();
var router = Sys.ActorOf(new SmallestMailboxPool(3).Props(Props.Create(() => new SmallestMailboxActor(usedActors))));
var busy = new TestLatch(1);
var received0 = new TestLatch(1);
router.Tell(Tuple.Create(busy, received0));
received0.Ready(TestKitSettings.DefaultTimeout);
var received1 = new TestLatch(1);
router.Tell(Tuple.Create(1, received1));
received1.Ready(TestKitSettings.DefaultTimeout);
var received2 = new TestLatch(1);
router.Tell(Tuple.Create(2, received2));
received2.Ready(TestKitSettings.DefaultTimeout);
var received3 = new TestLatch(1);
router.Tell(Tuple.Create(3, received3));
received3.Ready(TestKitSettings.DefaultTimeout);
busy.CountDown();
var busyPath = usedActors[0];
busyPath.Should().NotBeNull();
var path1 = usedActors[1];
var path2 = usedActors[2];
var path3 = usedActors[3];
path1.Should().NotBeNull(busyPath);
path2.Should().NotBeNull(busyPath);
path3.Should().NotBeNull(busyPath);
}
public void GetTimeout()
{
var timeoutLatch = new TestLatch();
var timeoutActor = Sys.ActorOf(Props.Create(() => new TimeoutActor(timeoutLatch)));
timeoutLatch.Ready(TestLatch.DefaultTimeout);
Sys.Stop(timeoutActor);
}
public void Props_must_create_actor_by_producer()
{
TestLatch latchProducer = new TestLatch(Sys);
TestLatch latchActor = new TestLatch(Sys);
var props = Props.CreateBy<TestProducer>(latchProducer, latchActor);
ActorRef actor = Sys.ActorOf(props);
latchActor.Ready(TimeSpan.FromSeconds(1));
}
public void RescheduleTimeout()
{
var timeoutLatch = new TestLatch(Sys);
var timeoutActor = Sys.ActorOf(Props.Create(() => new TimeoutActor(timeoutLatch)));
timeoutActor.Tell(Tick);
timeoutLatch.Ready(TestLatch.DefaultTimeout);
Sys.Stop(timeoutActor);
}
public void BroadcastGroup_router_must_broadcast_message_using_Tell()
{
var doneLatch = new TestLatch(2);
var counter1 = new AtomicCounter(0);
var counter2 = new AtomicCounter(0);
var actor1 = Sys.ActorOf(Props.Create(() => new BroadcastTarget(doneLatch, counter1)));
var actor2 = Sys.ActorOf(Props.Create(() => new BroadcastTarget(doneLatch, counter2)));
var routedActor = Sys.ActorOf(Props.Create<TestActor>().WithRouter(new BroadcastGroup(actor1.Path.ToString(), actor2.Path.ToString())));
routedActor.Tell(new Broadcast(1));
routedActor.Tell(new Broadcast("end"));
doneLatch.Ready(TimeSpan.FromSeconds(1));
counter1.Current.ShouldBe(1);
counter2.Current.ShouldBe(1);
}
public void Scatter_gather_router_must_deliver_a_broadcast_message_using_tell()
{
var doneLatch = new TestLatch(sys, 2);
var counter1 = new AtomicInteger(0);
var counter2 = new AtomicInteger(0);
var actor1 = sys.ActorOf(Props.Create(() => new BroadcastTarget(doneLatch, counter1)));
var actor2 = sys.ActorOf(Props.Create(() => new BroadcastTarget(doneLatch, counter2)));
var routedActor = sys.ActorOf(Props.Create<TestActor>().WithRouter(new ScatterGatherFirstCompletedGroup(TimeSpan.FromSeconds(1), actor1.Path.ToString(), actor2.Path.ToString())));
routedActor.Tell(new Broadcast(1));
routedActor.Tell(new Broadcast("end"));
doneLatch.Ready(TimeSpan.FromSeconds(1));
counter1.Value.ShouldBe(1);
counter2.Value.ShouldBe(1);
}
public void BroadcastGroup_router_must_broadcast_message_using_Ask()
{
var doneLatch = new TestLatch(2);
var counter1 = new AtomicCounter(0);
var actor1 = Sys.ActorOf(Props.Create(() => new BroadcastTarget(doneLatch, counter1)));
var counter2 = new AtomicCounter(0);
var actor2 = Sys.ActorOf(Props.Create(() => new BroadcastTarget(doneLatch, counter2)));
var paths = new List<string> { actor1.Path.ToString(), actor2.Path.ToString() };
var routedActor = Sys.ActorOf(new BroadcastGroup(paths).Props());
routedActor.Ask(new Broadcast(1));
routedActor.Tell(new Broadcast("end"));
doneLatch.Ready(RemainingOrDefault);
counter1.Current.Should().Be(1);
counter2.Current.Should().Be(1);
}
public void Random_must_be_able_to_shut_down_its_instance()
{
const int routeeCount = 7;
var testLatch = new TestLatch(Sys, routeeCount);
var router = Sys.ActorOf(new RandomPool(routeeCount).Props(Props.Create(() => new HelloWorldActor(testLatch))));
router.Tell("hello", TestActor);
router.Tell("hello", TestActor);
router.Tell("hello", TestActor);
router.Tell("hello", TestActor);
router.Tell("hello", TestActor);
Within(TimeSpan.FromSeconds(2), () => {
ExpectMsg("world");
ExpectMsg("world");
ExpectMsg("world");
ExpectMsg("world");
ExpectMsg("world");
return true;
});
Sys.Stop(router);
testLatch.Ready(TimeSpan.FromSeconds(5));
}
public void Smallest_mailbox_router_must_deliver_messages_to_idle_actor()
{
var usedActors = new ConcurrentDictionary<int, string>();
var router = Sys.ActorOf(new SmallestMailboxPool(3).Props(Props.Create(() => new SmallestMailboxActor(usedActors))));
var busy = new TestLatch(1);
var received0 = new TestLatch(1);
router.Tell(Tuple.Create(busy, received0));
received0.Ready(TestLatch.DefaultTimeout);
var received1 = new TestLatch(1);
router.Tell(Tuple.Create(1, received1));
received1.Ready(TestLatch.DefaultTimeout);
var received2 = new TestLatch(1);
router.Tell(Tuple.Create(2, received2));
received2.Ready(TestLatch.DefaultTimeout);
var received3 = new TestLatch(1);
router.Tell(Tuple.Create(3, received3));
received3.Ready(TestLatch.DefaultTimeout);
busy.CountDown();
var busyPath = usedActors[0];
Assert.NotEqual(busyPath, null);
Assert.Equal(usedActors.Count, 4);
var path1 = usedActors[1];
var path2 = usedActors[2];
var path3 = usedActors[3];
Assert.NotEqual(path1, busyPath);
Assert.NotEqual(path2, busyPath);
Assert.NotEqual(path3, busyPath);
}
public void An_actor_watching_a_remote_actor_in_the_cluster_must_receive_terminated_when_watched_node_becomes_down_removed()
{
Within(TimeSpan.FromSeconds(30), () =>
{
AwaitClusterUp(_config.First, _config.Second, _config.Third, _config.Fourth);
EnterBarrier("cluster-up");
RunOn(() =>
{
EnterBarrier("subjected-started");
var path2 = new RootActorPath(GetAddress(_config.Second)) / "user" / "subject";
var path3 = new RootActorPath(GetAddress(_config.Third)) / "user" / "subject";
var watchEstablished = new TestLatch(2);
Sys.ActorOf(Props.Create(() => new Observer(path2, path3, watchEstablished, TestActor))
.WithDeploy(Deploy.Local), "observer1");
watchEstablished.Ready();
EnterBarrier("watch-established");
ExpectMsg(path2);
ExpectNoMsg(TimeSpan.FromSeconds(2));
EnterBarrier("second-terminated");
MarkNodeAsUnavailable(GetAddress(_config.Third));
AwaitAssert(() => Assert.True(ClusterView.UnreachableMembers.Select(x => x.Address).Contains(GetAddress(_config.Third))));
Cluster.Down(GetAddress(_config.Third));
//removed
AwaitAssert(() => Assert.False(ClusterView.Members.Select(x => x.Address).Contains(GetAddress(_config.Third))));
AwaitAssert(() => Assert.False(ClusterView.UnreachableMembers.Select(x => x.Address).Contains(GetAddress(_config.Third))));
ExpectMsg(path3);
EnterBarrier("third-terminated");
}, _config.First);
RunOn(() =>
{
Sys.ActorOf(BlackHoleActor.Props, "subject");
EnterBarrier("subjected-started");
EnterBarrier("watch-established");
RunOn(() =>
{
MarkNodeAsUnavailable(GetAddress(_config.Second));
AwaitAssert(() => Assert.True(ClusterView.UnreachableMembers.Select(x => x.Address).Contains(GetAddress(_config.Second))));
Cluster.Down(GetAddress(_config.Second));
//removed
AwaitAssert(() => Assert.False(ClusterView.Members.Select(x => x.Address).Contains(GetAddress(_config.Second))));
AwaitAssert(() => Assert.False(ClusterView.UnreachableMembers.Select(x => x.Address).Contains(GetAddress(_config.Second))));
}, _config.Third);
EnterBarrier("second-terminated");
EnterBarrier("third-terminated");
}, _config.Second, _config.Third, _config.Fourth);
RunOn(() =>
{
EnterBarrier("subjected-started");
EnterBarrier("watch-established");
EnterBarrier("second-terminated");
EnterBarrier("third-terminated");
}, _config.Fifth);
EnterBarrier("after-1");
});
}
public void DefaultResizer_must_be_possible_to_define_in_configuration()
{
var latch = new TestLatch(Sys, 3);
var router = Sys.ActorOf(Props.Create<ResizerTestActor>().WithRouter(new FromConfig()), "router1");
router.Tell(latch);
router.Tell(latch);
router.Tell(latch);
latch.Ready(TestKitSettings.DefaultTimeout);
//messagesPerResize is 10 so there is no risk of additional resize
(RouteeSize(router)).ShouldBe(2);
}
public void DefaultResizer_must_be_possible_to_define_programmatically()
{
var latch = new TestLatch(Sys, 3);
var resizer = new DefaultResizer(2, 3);
var router = Sys.ActorOf(Props.Create<ResizerTestActor>().WithRouter(new RoundRobinPool(0, resizer)));
router.Tell(latch);
router.Tell(latch);
router.Tell(latch);
latch.Ready(TestKitSettings.DefaultTimeout);
//messagesPerResize is 10 so there is no risk of additional resize
(RouteeSize(router)).ShouldBe(2);
}
public void Set_of_connected_cluster_systems_must_when_two_nodes_after_cluster_convergence_updates_membership_table_then_all_MembershipChangeListeners_should_be_triggered()
{
AwaitClusterUp(_config.First);
RunOn(() =>
{
var latch = new TestLatch();
var expectedAddresses = ImmutableList.Create(GetAddress(_config.First), GetAddress(_config.Second));
var listener = Sys.ActorOf(Props.Create(() => new Listener(latch, expectedAddresses)).WithDeploy(Deploy.Local));
Cluster.Subscribe(listener, new[] { typeof(ClusterEvent.IMemberEvent) });
EnterBarrier("listener-1-registered");
Cluster.Join(GetAddress(_config.First));
latch.Ready();
}, _config.First, _config.Second);
RunOn(() =>
{
EnterBarrier("listener-1-registered");
}, _config.Third);
EnterBarrier("after-1");
}
public void A_Flow_with_SelectAsyncUnordered_must_signal_error_from_SelectAsyncUnordered()
{
this.AssertAllStagesStopped(() =>
{
var latch = new TestLatch(1);
var c = this.CreateManualSubscriberProbe<int>();
Source.From(Enumerable.Range(1, 5))
.SelectAsyncUnordered(4, n =>
{
if (n == 3)
throw new TestException("err2");
return Task.Run(() =>
{
latch.Ready(TimeSpan.FromSeconds(10));
return n;
});
})
.RunWith(Sink.FromSubscriber(c), Materializer);
var sub = c.ExpectSubscription();
sub.Request(10);
c.ExpectError().Message.Should().Be("err2");
latch.CountDown();
}, Materializer);
}
public void A_Flow_with_SelectAsync_must_signal_task_failure()
{
this.AssertAllStagesStopped(() =>
{
var latch = new TestLatch(1);
var c = TestSubscriber.CreateManualProbe<int>(this);
Source.From(Enumerable.Range(1, 5))
.SelectAsync(4, n => Task.Run(() =>
{
if (n == 3)
throw new TestException("err1");
latch.Ready(TimeSpan.FromSeconds(10));
return n;
}))
.To(Sink.FromSubscriber(c)).Run(Materializer);
var sub = c.ExpectSubscription();
sub.Request(10);
c.ExpectError().InnerException.Message.Should().Be("err1");
latch.CountDown();
}, Materializer);
}
public async Task Round_robin_pool_must_deliver_messages_in_a_round_robin_fashion()
{
const int connectionCount = 10;
const int iterationCount = 10;
var doneLatch = new TestLatch(connectionCount);
var counter = new AtomicCounter(0);
var replies = new Dictionary<int, int>();
for (int i = 0; i < connectionCount; i++)
{
replies[i] = 0;
}
var actor = Sys.ActorOf(new RoundRobinPool(connectionCount)
.Props(Props.Create(() => new RoundRobinPoolActor(doneLatch, counter))), "round-robin");
for (int i = 0; i < iterationCount; i++)
{
for (int k = 0; k < connectionCount; k++)
{
int id = await actor.Ask<int>("hit");
replies[id] = replies[id] + 1;
}
}
counter.Current.Should().Be(connectionCount);
actor.Tell(new Broadcast("end"));
doneLatch.Ready(5.Seconds());
replies.Values.ForEach(c => c.Should().Be(iterationCount));
}
public void An_ActorRef_should_suppport_reply_via_Sender()
{
var latch = new TestLatch(Sys, 4);
var serverRef = Sys.ActorOf(Props.Create<ReplyActor>());
var clientRef = Sys.ActorOf(Props.Create(() => new SenderActor(serverRef, latch)));
clientRef.Tell("complex");
clientRef.Tell("simple");
clientRef.Tell("simple");
clientRef.Tell("simple");
latch.Ready(TimeSpan.FromSeconds(3));
latch.Reset();
clientRef.Tell("complex2");
clientRef.Tell("simple");
clientRef.Tell("simple");
clientRef.Tell("simple");
latch.Ready(TimeSpan.FromSeconds(3));
Sys.Stop(clientRef);
Sys.Stop(serverRef);
}
public void Registered_MembershipChangeListener_must_be_notified_when_new_node_is_exiting()
{
AwaitClusterUp(_config.First, _config.Second, _config.Third);
RunOn(() =>
{
EnterBarrier("registered-listener");
Cluster.Leave(GetAddress(_config.Second));
}, _config.First);
RunOn(() =>
{
var exitingLatch = new TestLatch();
var removedLatch = new TestLatch();
var secondAddress = GetAddress(_config.Second);
var watcher = Sys.ActorOf(Props.Create(() => new Watcher(exitingLatch, removedLatch, secondAddress))
.WithDeploy(Deploy.Local));
Cluster.Subscribe(watcher, new[] { typeof(ClusterEvent.IMemberEvent) });
EnterBarrier("registered-listener");
exitingLatch.Ready();
removedLatch.Ready();
}, _config.Second);
RunOn(() =>
{
var exitingLatch = new TestLatch();
var secondAddress = GetAddress(_config.Second);
var watcher = Sys.ActorOf(Props.Create(() => new Watcher(exitingLatch, null, secondAddress))
.WithDeploy(Deploy.Local));
Cluster.Subscribe(watcher, new[] { typeof(ClusterEvent.IMemberEvent) });
EnterBarrier("registered-listener");
exitingLatch.Ready();
}, _config.Third);
EnterBarrier("finished");
}
public void Conflate_must_restart_when_seed_throws_and_a_RestartDescider_is_used()
{
var sourceProbe = this.CreatePublisherProbe<int>();
var sinkProbe = this.CreateManualSubscriberProbe<int>();
var exceptionlath = new TestLatch();
var graph = Source.FromPublisher(sourceProbe).ConflateWithSeed(i =>
{
if (i%2 == 0)
{
exceptionlath.Open();
throw new TestException("I hate even seed numbers");
}
return i;
}, (sum, i) => sum + i)
.WithAttributes(ActorAttributes.CreateSupervisionStrategy(Deciders.RestartingDecider))
.To(Sink.FromSubscriber(sinkProbe))
.WithAttributes(Attributes.CreateInputBuffer(1, 1));
RunnableGraph.FromGraph(graph).Run(Materializer);
var sub = sourceProbe.ExpectSubscription();
var sinkSub = sinkProbe.ExpectSubscription();
// push the first value
sub.ExpectRequest(1);
sub.SendNext(1);
// and consume it, so that the next element
// will trigger seed
sinkSub.Request(1);
sinkProbe.ExpectNext(1);
sub.ExpectRequest(1);
sub.SendNext(2);
// make sure the seed exception happened
// before going any further
exceptionlath.Ready(TimeSpan.FromSeconds(3));
sub.ExpectRequest(1);
sub.SendNext(3);
// now we should have lost the 2 and the accumulated state
sinkSub.Request(1);
sinkProbe.ExpectNext(3);
}
public async Task Round_robin_group_must_deliver_messages_in_a_round_robin_fashion()
{
const int connectionCount = 10;
const int iterationCount = 10;
var doneLatch = new TestLatch(connectionCount);
var replies = new Dictionary<string, int>();
for (int i = 1; i <= connectionCount; i++)
{
replies["target-" + i] = 0;
}
var paths = Enumerable.Range(1, connectionCount).Select(n =>
{
var routee = Sys.ActorOf(Props.Create(() => new RoundRobinGroupActor(doneLatch)), "target-" + n);
return routee.Path.ToStringWithoutAddress();
});
var actor = Sys.ActorOf(new RoundRobinGroup(paths).Props(), "round-robin-group1");
for (int i = 0; i < iterationCount; i++)
{
for (int k = 0; k < connectionCount; k++)
{
string id = await actor.Ask<string>("hit");
replies[id] = replies[id] + 1;
}
}
actor.Tell(new Broadcast("end"));
doneLatch.Ready(5.Seconds());
replies.Values.ForEach(c => c.Should().Be(iterationCount));
}
public void Round_robin_pool_must_deliver_deliver_a_broadcast_message_using_Tell()
{
const int routeeCount = 5;
var helloLatch = new TestLatch(routeeCount);
var stopLatch = new TestLatch(routeeCount);
var actor = Sys.ActorOf(new RandomPool(routeeCount)
.Props(Props.Create(() => new RoundRobinPoolBroadcastActor(helloLatch, stopLatch))), "round-robin-broadcast");
actor.Tell(new Broadcast("hello"));
helloLatch.Ready(5.Seconds());
Sys.Stop(actor);
stopLatch.Ready(5.Seconds());
}
public void Random_pool_must_be_able_to_shut_down_its_instance()
{
const int routeeCount = 7;
var testLatch = new TestLatch(routeeCount);
var actor = Sys.ActorOf(new RandomPool(routeeCount)
.Props(Props.Create(() => new HelloWorldActor(testLatch))), "random-shutdown");
actor.Tell("hello");
actor.Tell("hello");
actor.Tell("hello");
actor.Tell("hello");
actor.Tell("hello");
Within(TimeSpan.FromSeconds(2), () => {
for (int i = 1; i <= 5; i++)
{
ExpectMsg("world");
}
});
Sys.Stop(actor);
testLatch.Ready(5.Seconds());
}
ALeaderThatIsLeavingMustBeMovedToLeavingThenExitingThenRemovedThenBeShutDownAndThenANewLeaderShouldBeElected
()
{
AwaitClusterUp(_config.First, _config.Second, _config.Third);
var oldLeaderAddress = ClusterView.Leader;
Within(TimeSpan.FromSeconds(30), () =>
{
if (ClusterView.IsLeader)
{
EnterBarrier("registered-listener");
Cluster.Leave(oldLeaderAddress);
EnterBarrier("leader-left");
// verify that the LEADER is shut down
AwaitCondition(() => Cluster.IsTerminated);
EnterBarrier("leader-shutdown");
}
else
{
var exitingLatch = new TestLatch();
var listener = Sys.ActorOf(Props.Create(() => new Listener(oldLeaderAddress, exitingLatch)).WithDeploy(Deploy.Local));
Cluster.Subscribe(listener, new []{typeof(ClusterEvent.IMemberEvent)});
EnterBarrier("registered-listener");
EnterBarrier("leader-left");
// verify that the LEADER is EXITING
exitingLatch.Ready(TestLatch.DefaultTimeout);
EnterBarrier("leader-shutdown");
MarkNodeAsUnavailable(oldLeaderAddress);
// verify that the LEADER is no longer part of the 'members' set
AwaitAssert(() => ClusterView.Members.Select(m => m.Address).Contains(oldLeaderAddress).ShouldBeFalse());
// verify that the LEADER is not part of the 'unreachable' set
AwaitAssert(() => ClusterView.UnreachableMembers.Select(m => m.Address).Contains(oldLeaderAddress).ShouldBeFalse());
// verify that we have a new LEADER
AwaitAssert(() => ClusterView.Leader.ShouldNotBe(oldLeaderAddress));
}
EnterBarrier("finished");
});
}
public void NotGetTimeout()
{
var timeoutLatch = new TestLatch();
var timeoutActor = Sys.ActorOf(Props.Create(() => new NoTimeoutActor(timeoutLatch)));
Assert.Throws<TimeoutException>(() => timeoutLatch.Ready(TestLatch.DefaultTimeout));
Sys.Stop(timeoutActor);
}
public void Round_robin_pool_must_be_able_to_shut_down_its_instance()
{
const int routeeCount = 5;
var helloLatch = new TestLatch(routeeCount);
var stopLatch = new TestLatch(routeeCount);
var actor = Sys.ActorOf(new RoundRobinPool(routeeCount)
.Props(Props.Create(() => new HelloWorldPoolActor(helloLatch, stopLatch))));
actor.Tell("hello", TestActor);
actor.Tell("hello", TestActor);
actor.Tell("hello", TestActor);
actor.Tell("hello", TestActor);
actor.Tell("hello", TestActor);
helloLatch.Ready(5.Seconds());
Sys.Stop(actor);
stopLatch.Ready(5.Seconds());
}
public void Conflate_must_restart_when_aggregate_throws_and_a_RestartingDecider_is_used()
{
var sourceProbe = this.CreatePublisherProbe<string>();
var sinkProbe = this.CreateSubscriberProbe<string>();
var latch = new TestLatch();
var conflate = Flow.Create<string>().ConflateWithSeed(i => i, (state, elem) =>
{
if (elem == "two")
{
latch.Open();
throw new TestException("two is a three letter word");
}
return state + elem;
}).WithAttributes(ActorAttributes.CreateSupervisionStrategy(Deciders.RestartingDecider));
var graph = Source.FromPublisher(sourceProbe)
.Via(conflate)
.To(Sink.FromSubscriber(sinkProbe))
.WithAttributes(Attributes.CreateInputBuffer(4, 4));
RunnableGraph.FromGraph(graph).Run(Materializer);
var sub = sourceProbe.ExpectSubscription();
sub.ExpectRequest(4);
sub.SendNext("one");
sub.SendNext("two");
sub.SendNext("three");
sub.SendComplete();
//"one" should be lost
latch.Ready(TimeSpan.FromSeconds(3));
sinkProbe.RequestNext("three");
}
public void Tail_chopping_group_router_must_deliver_a_broadcast_message_using_tell()
{
var doneLatch = new TestLatch(2);
var counter1 = new AtomicCounter(0);
var actor1 = Sys.ActorOf(Props.Create(() => new BroadcastTarget(doneLatch, counter1)));
var counter2 = new AtomicCounter(0);
var actor2 = Sys.ActorOf(Props.Create(() => new BroadcastTarget(doneLatch, counter2)));
var paths = new List<string> { actor1.Path.ToString(), actor2.Path.ToString() };
var routedActor = Sys.ActorOf(new TailChoppingGroup(paths, TimeSpan.FromSeconds(1), TimeSpan.FromMilliseconds(100)).Props());
routedActor.Tell(new Broadcast(1));
routedActor.Tell(new Broadcast("end"));
doneLatch.Ready(TestKitSettings.DefaultTimeout);
counter1.Current.Should().Be(1);
counter2.Current.Should().Be(1);
}
public void Tail_chopping_router_must_deliver_a_broadcast_message_using_tell()
{
var doneLatch = new TestLatch(2);
var counter1 = new AtomicCounter(0);
var counter2 = new AtomicCounter(0);
var actor1 = Sys.ActorOf(Props.Create(() => new BroadcastTarget(doneLatch, counter1)), "Actor1");
var actor2 = Sys.ActorOf(Props.Create(() => new BroadcastTarget(doneLatch, counter2)), "Actor2");
var routedActor = Sys.ActorOf(Props.Create<TestActor>()
.WithRouter(new TailChoppingGroup(new[] { actor1.Path.ToString(), actor2.Path.ToString() }, TimeSpan.FromSeconds(1), TimeSpan.FromMilliseconds(100))
));
routedActor.Tell(new Broadcast(1));
routedActor.Tell(new Broadcast("end"));
doneLatch.Ready(TimeSpan.FromSeconds(1));
counter1.Current.ShouldBe(1);
counter2.Current.ShouldBe(1);
}
public void Conflate_must_restart_when_aggregate_throws_and_a_ResumingDecider_is_used()
{
var sourceProbe = this.CreatePublisherProbe<int>();
var sinkProbe = this.CreateManualSubscriberProbe<List<int>>();
var saw4Latch = new TestLatch();
var graph = Source.FromPublisher(sourceProbe).ConflateWithSeed(i => new List<int> { i },
(state, elem) =>
{
if (elem == 2)
throw new TestException("three is a four letter word");
if (elem == 4)
saw4Latch.Open();
state.Add(elem);
return state;
})
.WithAttributes(ActorAttributes.CreateSupervisionStrategy(Deciders.ResumingDecider))
.To(Sink.FromSubscriber(sinkProbe))
.WithAttributes(Attributes.CreateInputBuffer(1, 1));
RunnableGraph.FromGraph(graph).Run(Materializer);
var sub = sourceProbe.ExpectSubscription();
var sinkSub = sinkProbe.ExpectSubscription();
// push the first three values, the third will trigger
// the exception
sub.ExpectRequest(1);
sub.SendNext(1);
// causing the 1 to get thrown away
sub.ExpectRequest(1);
sub.SendNext(2);
sub.ExpectRequest(1);
sub.SendNext(3);
sub.ExpectRequest(1);
sub.SendNext(4);
// and consume it, so that the next element
// will trigger seed
saw4Latch.Ready(TimeSpan.FromSeconds(3));
sinkSub.Request(1);
sinkProbe.ExpectNext().ShouldAllBeEquivalentTo(new [] {1, 3, 4});
}