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test(runtime): #678.2 #672 initial-state unreachable peer + strengthen Self_unreachable_is_ignored

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This commit is contained in:
Joseph Doherty
2026-10-11 10:43:15 -04:00
parent f41df6710c
commit 42eb96af9e
1 changed files with 22 additions and 2 deletions
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tests/Server/ZB.MOM.WW.OtOpcUa.Runtime.Tests/Drivers/DriverHostActorHistorizationRoleViewTests.cs
+22 -2
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@@ -223,10 +223,30 @@ public sealed class DriverHostActorHistorizationRoleViewTests : RuntimeActorTest
host.Tell(new ClusterEvent.UnreachableMember(MemberAt(Peer672)));
AwaitAssert(() => hist.Published.ShouldBe([false, true]), duration: Timeout);
// And self "returning" does not close what the peer's loss opened.
// Self "returning" is ignored too, and it does not close what the peer's loss opened. Events are
// processed in order, so the peer's return (which MUST close the gate) is the only thing that may
// appear next: had the self event published anything it would sit between `true` and `false`.
host.Tell(new ClusterEvent.ReachableMember(MemberAt(Self672)));
host.Tell(new ClusterEvent.ReachableMember(MemberAt(Peer672)));
AwaitAssert(() => hist.Published.ShouldBe([false, true, false]), duration: Timeout);
}
/// <summary>
/// A host that starts while its peer is ALREADY unreachable (the <c>InitialStateAsEvents</c> replay
/// delivers the <c>UnreachableMember</c> before the first redundancy snapshot) must still treat that
/// peer as unreachable when the snapshot naming it Primary finally arrives.
/// </summary>
[Fact]
public void A_peer_unreachable_before_the_first_snapshot_still_opens_capture()
{
var hist = new RecordingHistorizationView();
IActorRef host = SpawnHost672(hist, others: null, captureWhilePrimaryUnreachable: true);
host.Tell(new ClusterEvent.UnreachableMember(MemberAt(Peer672)));
host.Tell(Snapshot((Self672, RedundancyRole.Secondary), (Peer672, RedundancyRole.Primary)));
AwaitAssert(() => hist.Published.ShouldBe([false, true, true]), duration: Timeout);
// Exactly one publication, and it is `true`: no spurious `false` from treating the peer as reachable.
AwaitAssert(() => hist.Published.ShouldBe([true]), duration: Timeout);
}
/// <summary><c>CaptureWhilePrimaryUnreachable = false</c> restores the pre-#672 behaviour.</summary>