public void UnorderedReceiverState_should_load_and_recover_from_snapshot()
{
var confirmable1 = new ConfirmableMessageEnvelope(1L, "foo", "bar");
var confirmable2 = new ConfirmableMessageEnvelope(2L, "foo", "bar");
var confirmable3 = new ConfirmableMessageEnvelope(1L, "fuber", "bar");
var timeProvider = new FakeTimeProvider(DateTime.UtcNow);
var receiverState = new UnorderedReceiverState(timeProvider);
// update our initial state
receiverState.ConfirmProcessing(confirmable1.ConfirmationId, confirmable1.SenderId);
receiverState.ConfirmProcessing(confirmable2.ConfirmationId, confirmable2.SenderId);
receiverState.ConfirmProcessing(confirmable3.ConfirmationId, confirmable3.SenderId);
// save into a snapshot
var snapshot = receiverState.ToSnapshot();
snapshot.TrackedIds.Count.Should().Be(2);
snapshot.TrackedIds[confirmable1.SenderId].Count.Should().Be(2); // two for "foo"
snapshot.TrackedIds[confirmable3.SenderId].Count.Should().Be(1); // one for "fuber"
snapshot.TrackedIds[confirmable1.SenderId].Any(x => x.Equals(confirmable1.ConfirmationId)).Should()
.BeTrue();
snapshot.TrackedSenders.Count.Should().Be(2);
// reload snapshot into new state
var receiverState2 = new UnorderedReceiverState(timeProvider);
receiverState2.FromSnapshot(snapshot);
// validate that we've already processed all of the same things as the previous state
receiverState2.TrackedSenders.Should().BeEquivalentTo(receiverState.TrackedSenders);
receiverState.AlreadyProcessed(confirmable1.ConfirmationId, confirmable1.SenderId).Should().BeTrue();
receiverState.AlreadyProcessed(confirmable2.ConfirmationId, confirmable2.SenderId).Should().BeTrue();
receiverState.AlreadyProcessed(confirmable3.ConfirmationId, confirmable3.SenderId).Should().BeTrue();
}
public void UnorderedReceiverState_should_prune_older_senders_correctly()
{
var confirmable = new ConfirmableMessageEnvelope(1L, "foo", "bar");
var timeProvider = new FakeTimeProvider(DateTime.UtcNow);
var receiverState = new UnorderedReceiverState(timeProvider);
receiverState.ConfirmProcessing(confirmable.ConfirmationId, confirmable.SenderId);
timeProvider.SetTime(TimeSpan.FromSeconds(10));
var prune = receiverState.Prune(TimeSpan.FromSeconds(5));
prune.prunedSenders.Should().BeEquivalentTo("foo");
}
public void Should_serialize_and_deserialize_IReceiverStateSnapshot()
{
var anyOrderReceiverState = new UnorderedReceiverState();
anyOrderReceiverState.ConfirmProcessing(100L, "fuber");
anyOrderReceiverState.ConfirmProcessing(101L, "fuber");
anyOrderReceiverState.ConfirmProcessing(1L, "foo");
anyOrderReceiverState.ConfirmProcessing(1L, "bar");
anyOrderReceiverState.ConfirmProcessing(2L, "foo");
var snapshot = anyOrderReceiverState.ToSnapshot();
var bytes = _deDuplicatingMessageSerializer.ToBinary(snapshot);
var snapshot2 =
(IReceiverStateSnapshot)_deDuplicatingMessageSerializer.FromBinary(bytes,
_deDuplicatingMessageSerializer.Manifest(snapshot));
snapshot.TrackedIds.Should().BeEquivalentTo(snapshot2.TrackedIds);
snapshot.TrackedSenders.Should().BeEquivalentTo(snapshot2.TrackedSenders);
}
