v2 mxgw migration — Phase 1+2+3.1 wiring (7 PRs)
Foundational PRs from lmx_mxgw_impl.md, all green. Bodies only — DI/wiring deferred to PR 1+2.W (combined wire-up) and PR 3.W. PR 1.1 — IHistorianDataSource lifted to Core.Abstractions/Historian/ Reuses existing DataValueSnapshot + HistoricalEvent shapes; sidecar (PR 3.4) translates byte-quality → uint StatusCode internally. PR 1.2 — IHistoryRouter + HistoryRouter on the server Longest-prefix-match resolution, case-insensitive, ObjectDisposed-guarded, swallow-on-shutdown disposal of misbehaving sources. PR 1.3 — DriverNodeManager.HistoryRead* dispatch through IHistoryRouter Per-tag resolution with LegacyDriverHistoryAdapter wrapping `_driver as IHistoryProvider` so existing tests + drivers keep working until PR 7.2 retires the fallback. PR 2.1 — AlarmConditionInfo extended with five sub-attribute refs InAlarmRef / PriorityRef / DescAttrNameRef / AckedRef / AckMsgWriteRef. Optional defaulted parameters preserve all existing 3-arg call sites. PR 2.2 — AlarmConditionService state machine in Server/Alarms/ Driver-agnostic port of GalaxyAlarmTracker. Sub-attribute refs come from AlarmConditionInfo, values arrive as DataValueSnapshot, ack writes route through IAlarmAcknowledger. State machine preserves Active/Acknowledged/ Inactive transitions, Acked-on-active reset, post-disposal silence. PR 2.3 — DriverNodeManager wires AlarmConditionService MarkAsAlarmCondition registers each alarm-bearing variable with the service; DriverWritableAcknowledger routes ack-message writes through the driver's IWritable + CapabilityInvoker. Service-raised transitions route via OnAlarmServiceTransition → matching ConditionSink. Legacy IAlarmSource path unchanged for null service. PR 3.1 — Driver.Historian.Wonderware shell project (net48 x86) Console host shell + smoke test; SDK references + code lift come in PR 3.2. Tests: 9 (PR 1.1) + 5 (PR 2.1) + 10 (PR 1.2) + 19 (PR 2.2) + 1 (PR 3.1) all pass. Existing AlarmSubscribeIntegrationTests + HistoryReadIntegrationTests unchanged. Plan + audit docs (lmx_backend.md, lmx_mxgw.md, lmx_mxgw_impl.md) included so parallel subagent worktrees can read them. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Joseph Doherty
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using System.Collections.Concurrent;
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using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
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using ZB.MOM.WW.OtOpcUa.Server.Alarms;
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namespace ZB.MOM.WW.OtOpcUa.Server.Tests.Alarms;
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/// <summary>
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/// Server-level alarm-condition state-machine tests added in PR 2.2. Ports the live
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/// transition cases from <c>GalaxyAlarmTrackerTests</c> against the new
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/// driver-agnostic <see cref="AlarmConditionService"/>: sub-attribute references come
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/// from <see cref="AlarmConditionInfo"/>, value changes flow as
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/// <see cref="DataValueSnapshot"/> instead of MX-specific <c>Vtq</c>, and the ack
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/// write path is decoupled into <see cref="IAlarmAcknowledger"/>.
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/// </summary>
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public sealed class AlarmConditionServiceTests
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{
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private const string ConditionId = "TankFarm.Tank1.Level.HiHi";
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private const string InAlarmRef = "TankFarm.Tank1.Level.HiHi.InAlarm";
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private const string PriorityRef = "TankFarm.Tank1.Level.HiHi.Priority";
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private const string DescRef = "TankFarm.Tank1.Level.HiHi.DescAttrName";
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private const string AckedRef = "TankFarm.Tank1.Level.HiHi.Acked";
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private const string AckMsgWriteRef = "TankFarm.Tank1.Level.HiHi.AckMsg";
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private static AlarmConditionInfo Info(
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string? inAlarm = InAlarmRef, string? priority = PriorityRef,
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string? desc = DescRef, string? acked = AckedRef, string? ackMsg = AckMsgWriteRef)
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=> new(
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SourceName: ConditionId,
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InitialSeverity: AlarmSeverity.Medium,
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InitialDescription: null,
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InAlarmRef: inAlarm,
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PriorityRef: priority,
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DescAttrNameRef: desc,
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AckedRef: acked,
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AckMsgWriteRef: ackMsg);
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private static DataValueSnapshot Bool(bool v) =>
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new(v, StatusCode: 0, SourceTimestampUtc: DateTime.UtcNow, ServerTimestampUtc: DateTime.UtcNow);
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private static DataValueSnapshot Int(int v) =>
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new(v, 0, DateTime.UtcNow, DateTime.UtcNow);
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private static DataValueSnapshot Str(string v) =>
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new(v, 0, DateTime.UtcNow, DateTime.UtcNow);
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private sealed class FakeAcker : IAlarmAcknowledger
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{
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public readonly ConcurrentQueue<(string Ref, string Comment)> Writes = new();
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public bool ReturnValue { get; set; } = true;
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public Task<bool> WriteAckMessageAsync(string ackMsgWriteRef, string comment, CancellationToken cancellationToken)
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{
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Writes.Enqueue((ackMsgWriteRef, comment));
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return Task.FromResult(ReturnValue);
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}
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}
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[Fact]
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public void Track_AddsCondition_AndExposesSubscribedReferences()
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{
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using var svc = new AlarmConditionService();
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svc.Track(ConditionId, Info());
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svc.TrackedCount.ShouldBe(1);
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var refs = svc.GetSubscribedReferences();
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refs.ShouldContain(InAlarmRef);
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refs.ShouldContain(PriorityRef);
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refs.ShouldContain(DescRef);
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refs.ShouldContain(AckedRef);
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refs.Count.ShouldBe(4);
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}
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[Fact]
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public void Track_IsIdempotentOnRepeatCall()
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{
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using var svc = new AlarmConditionService();
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svc.Track(ConditionId, Info());
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svc.Track(ConditionId, Info());
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svc.TrackedCount.ShouldBe(1);
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}
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[Fact]
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public void Track_OmitsNullSubAttributeRefs()
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{
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using var svc = new AlarmConditionService();
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// Driver may not expose every sub-attribute (e.g. no .Acked observable).
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svc.Track(ConditionId, Info(priority: null, desc: null, acked: null));
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svc.GetSubscribedReferences().ShouldBe(new[] { InAlarmRef });
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}
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[Fact]
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public void InAlarmFalseToTrue_FiresActiveTransition()
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{
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using var svc = new AlarmConditionService();
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var transitions = new ConcurrentQueue<AlarmConditionTransition>();
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svc.TransitionRaised += (_, t) => transitions.Enqueue(t);
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svc.Track(ConditionId, Info());
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svc.OnValueChanged(PriorityRef, Int(500));
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svc.OnValueChanged(DescRef, Str("Tank level high-high"));
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svc.OnValueChanged(InAlarmRef, Bool(true));
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transitions.Count.ShouldBe(1);
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transitions.TryDequeue(out var t).ShouldBeTrue();
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t!.Transition.ShouldBe(AlarmStateTransition.Active);
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t.Priority.ShouldBe(500);
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t.Description.ShouldBe("Tank level high-high");
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t.ConditionId.ShouldBe(ConditionId);
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}
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[Fact]
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public void InAlarmTrueToFalse_FiresInactiveTransition()
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{
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using var svc = new AlarmConditionService();
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var transitions = new ConcurrentQueue<AlarmConditionTransition>();
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svc.TransitionRaised += (_, t) => transitions.Enqueue(t);
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svc.Track(ConditionId, Info());
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svc.OnValueChanged(InAlarmRef, Bool(true));
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svc.OnValueChanged(InAlarmRef, Bool(false));
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transitions.Count.ShouldBe(2);
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transitions.TryDequeue(out _);
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transitions.TryDequeue(out var t).ShouldBeTrue();
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t!.Transition.ShouldBe(AlarmStateTransition.Inactive);
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}
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[Fact]
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public void AckedFalseToTrue_FiresAcknowledged_WhileActive()
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{
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using var svc = new AlarmConditionService();
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var transitions = new ConcurrentQueue<AlarmConditionTransition>();
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svc.TransitionRaised += (_, t) => transitions.Enqueue(t);
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svc.Track(ConditionId, Info());
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svc.OnValueChanged(InAlarmRef, Bool(true)); // Active, resets Acked → false
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svc.OnValueChanged(AckedRef, Bool(true)); // Acknowledged
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transitions.Count.ShouldBe(2);
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transitions.TryDequeue(out _);
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transitions.TryDequeue(out var t).ShouldBeTrue();
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t!.Transition.ShouldBe(AlarmStateTransition.Acknowledged);
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}
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[Fact]
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public void AckedTransitionWhileInactive_DoesNotFire()
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{
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using var svc = new AlarmConditionService();
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var transitions = new ConcurrentQueue<AlarmConditionTransition>();
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svc.TransitionRaised += (_, t) => transitions.Enqueue(t);
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svc.Track(ConditionId, Info());
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// Initial Acked=true on subscribe (alarm at rest, pre-ack'd) — must not fire.
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svc.OnValueChanged(AckedRef, Bool(true));
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transitions.ShouldBeEmpty();
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}
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[Fact]
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public void RepeatedActiveTransitions_ResetAckedFlag()
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{
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using var svc = new AlarmConditionService();
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var transitions = new ConcurrentQueue<AlarmConditionTransition>();
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svc.TransitionRaised += (_, t) => transitions.Enqueue(t);
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svc.Track(ConditionId, Info());
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// Cycle 1: active → ack → inactive → active again
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svc.OnValueChanged(InAlarmRef, Bool(true));
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svc.OnValueChanged(AckedRef, Bool(true));
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svc.OnValueChanged(InAlarmRef, Bool(false));
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svc.OnValueChanged(InAlarmRef, Bool(true)); // re-arms — Acked must reset to false
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svc.OnValueChanged(AckedRef, Bool(true)); // produces a fresh Acknowledged
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// Active, Acknowledged, Inactive, Active, Acknowledged
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transitions.Count.ShouldBe(5);
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var ordered = transitions.Select(t => t.Transition).ToArray();
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ordered.ShouldBe(new[]
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{
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AlarmStateTransition.Active,
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AlarmStateTransition.Acknowledged,
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AlarmStateTransition.Inactive,
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AlarmStateTransition.Active,
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AlarmStateTransition.Acknowledged,
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});
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}
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[Fact]
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public async Task AcknowledgeAsync_RoutesToAckerWithAckMsgRef()
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{
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using var svc = new AlarmConditionService();
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var acker = new FakeAcker();
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svc.Track(ConditionId, Info(), acker);
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var ok = await svc.AcknowledgeAsync(ConditionId, "operator-1: cleared", CancellationToken.None);
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ok.ShouldBeTrue();
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acker.Writes.Count.ShouldBe(1);
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acker.Writes.TryDequeue(out var w).ShouldBeTrue();
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w.Ref.ShouldBe(AckMsgWriteRef);
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w.Comment.ShouldBe("operator-1: cleared");
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}
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[Fact]
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public async Task AcknowledgeAsync_ReturnsFalse_WhenConditionUntracked()
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{
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using var svc = new AlarmConditionService();
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var acker = new FakeAcker();
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svc.Track("OtherCondition", Info(), acker);
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var ok = await svc.AcknowledgeAsync(ConditionId, "comment");
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ok.ShouldBeFalse();
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acker.Writes.ShouldBeEmpty();
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}
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[Fact]
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public async Task AcknowledgeAsync_ReturnsFalse_WhenNoAckerRegistered()
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{
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using var svc = new AlarmConditionService();
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svc.Track(ConditionId, Info(), acker: null);
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var ok = await svc.AcknowledgeAsync(ConditionId, "comment");
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ok.ShouldBeFalse();
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}
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[Fact]
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public async Task AcknowledgeAsync_ReturnsFalse_WhenAckMsgRefMissing()
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{
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using var svc = new AlarmConditionService();
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var acker = new FakeAcker();
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svc.Track(ConditionId, Info(ackMsg: null), acker);
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var ok = await svc.AcknowledgeAsync(ConditionId, "comment");
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ok.ShouldBeFalse();
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acker.Writes.ShouldBeEmpty();
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}
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[Fact]
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public void Snapshot_ReportsLatestFields()
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{
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using var svc = new AlarmConditionService();
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svc.Track(ConditionId, Info());
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svc.OnValueChanged(InAlarmRef, Bool(true));
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svc.OnValueChanged(PriorityRef, Int(900));
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svc.OnValueChanged(DescRef, Str("MyAlarm"));
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svc.OnValueChanged(AckedRef, Bool(true));
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var snap = svc.Snapshot();
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snap.Count.ShouldBe(1);
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snap[0].ConditionId.ShouldBe(ConditionId);
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snap[0].InAlarm.ShouldBeTrue();
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snap[0].Acked.ShouldBeTrue();
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snap[0].Priority.ShouldBe(900);
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snap[0].Description.ShouldBe("MyAlarm");
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}
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[Fact]
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public void OnValueChanged_ForUnknownReference_IsSilentlyIgnored()
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{
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using var svc = new AlarmConditionService();
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var transitions = new ConcurrentQueue<AlarmConditionTransition>();
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svc.TransitionRaised += (_, t) => transitions.Enqueue(t);
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svc.OnValueChanged("Some.Random.Tag.InAlarm", Bool(true));
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transitions.ShouldBeEmpty();
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}
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[Fact]
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public void Untrack_RemovesConditionAndReleasesReferences()
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{
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using var svc = new AlarmConditionService();
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svc.Track(ConditionId, Info());
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svc.Untrack(ConditionId);
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svc.TrackedCount.ShouldBe(0);
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svc.GetSubscribedReferences().ShouldBeEmpty();
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}
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[Fact]
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public void Untrack_NonexistentConditionIsNoOp()
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{
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using var svc = new AlarmConditionService();
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svc.Track(ConditionId, Info());
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Should.NotThrow(() => svc.Untrack("does-not-exist"));
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svc.TrackedCount.ShouldBe(1);
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}
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[Fact]
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public void Track_ThrowsAfterDisposal()
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{
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var svc = new AlarmConditionService();
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svc.Dispose();
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Should.Throw<ObjectDisposedException>(() => svc.Track(ConditionId, Info()));
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}
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[Fact]
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public void OnValueChanged_AfterDisposal_IsSilentlyDropped()
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{
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var svc = new AlarmConditionService();
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svc.Track(ConditionId, Info());
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svc.Dispose();
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// Stale callbacks during disposal must not throw.
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Should.NotThrow(() => svc.OnValueChanged(InAlarmRef, Bool(true)));
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}
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[Fact]
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public void PriorityCoercion_AcceptsCommonNumericTypes()
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{
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using var svc = new AlarmConditionService();
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svc.Track(ConditionId, Info());
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svc.OnValueChanged(PriorityRef, new DataValueSnapshot((short)123, 0, null, DateTime.UtcNow));
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svc.OnValueChanged(InAlarmRef, Bool(true));
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var snap = svc.Snapshot()[0];
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snap.Priority.ShouldBe(123);
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}
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}
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@@ -0,0 +1,169 @@
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using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
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using ZB.MOM.WW.OtOpcUa.Server.History;
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namespace ZB.MOM.WW.OtOpcUa.Server.Tests.History;
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/// <summary>
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/// Tests for <see cref="HistoryRouter"/> registration + resolution semantics added
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/// in PR 1.2. The router is the only seam between OPC UA HistoryRead service calls
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/// and registered <see cref="IHistorianDataSource"/> implementations, so the
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/// resolution rules (case-insensitive prefix, longest-match wins, no source =>
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/// null) need explicit coverage.
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/// </summary>
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public sealed class HistoryRouterTests
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{
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[Fact]
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public void Resolve_ReturnsNull_WhenNoSourceRegistered()
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{
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using var router = new HistoryRouter();
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router.Resolve("anything").ShouldBeNull();
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}
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[Fact]
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public void Resolve_ReturnsRegisteredSource_WhenPrefixMatches()
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{
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using var router = new HistoryRouter();
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var source = new FakeSource("galaxy");
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router.Register("galaxy", source);
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router.Resolve("galaxy.TankFarm.Tank1.Level").ShouldBe(source);
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}
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[Fact]
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public void Resolve_ReturnsNull_WhenPrefixDoesNotMatch()
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{
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using var router = new HistoryRouter();
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router.Register("galaxy", new FakeSource("galaxy"));
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router.Resolve("modbus.MyDevice.Tag1").ShouldBeNull();
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}
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[Fact]
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public void Resolve_LongestPrefixWins_WhenMultipleRegistered()
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{
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using var router = new HistoryRouter();
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var generic = new FakeSource("generic");
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var specific = new FakeSource("specific");
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router.Register("galaxy", generic);
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router.Register("galaxy.HighRate", specific);
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router.Resolve("galaxy.HighRate.Sensor1").ShouldBe(specific);
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router.Resolve("galaxy.LowRate.Sensor2").ShouldBe(generic);
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}
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[Fact]
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public void Resolve_IsCaseInsensitive_OnPrefixMatch()
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{
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using var router = new HistoryRouter();
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var source = new FakeSource("galaxy");
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router.Register("Galaxy", source);
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router.Resolve("galaxy.foo").ShouldBe(source);
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router.Resolve("GALAXY.foo").ShouldBe(source);
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}
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[Fact]
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public void Register_Throws_WhenPrefixAlreadyRegistered()
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{
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using var router = new HistoryRouter();
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router.Register("galaxy", new FakeSource("first"));
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Should.Throw<InvalidOperationException>(
|
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() => router.Register("galaxy", new FakeSource("second")));
|
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}
|
||||
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[Fact]
|
||||
public void Dispose_DisposesAllRegisteredSources()
|
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{
|
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var router = new HistoryRouter();
|
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var a = new FakeSource("a");
|
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var b = new FakeSource("b");
|
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router.Register("ns_a", a);
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router.Register("ns_b", b);
|
||||
|
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router.Dispose();
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||||
|
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a.IsDisposed.ShouldBeTrue();
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b.IsDisposed.ShouldBeTrue();
|
||||
}
|
||||
|
||||
[Fact]
|
||||
public void Dispose_SwallowsExceptionsFromMisbehavingSource()
|
||||
{
|
||||
var router = new HistoryRouter();
|
||||
var throwing = new ThrowingFakeSource();
|
||||
var clean = new FakeSource("clean");
|
||||
router.Register("bad", throwing);
|
||||
router.Register("good", clean);
|
||||
|
||||
// Even when one source's Dispose throws, the router must finish disposing the
|
||||
// remaining sources (server shutdown invariant).
|
||||
Should.NotThrow(() => router.Dispose());
|
||||
clean.IsDisposed.ShouldBeTrue();
|
||||
}
|
||||
|
||||
[Fact]
|
||||
public void Resolve_Throws_AfterDisposal()
|
||||
{
|
||||
var router = new HistoryRouter();
|
||||
router.Dispose();
|
||||
|
||||
Should.Throw<ObjectDisposedException>(() => router.Resolve("anything"));
|
||||
}
|
||||
|
||||
[Fact]
|
||||
public void Register_Throws_AfterDisposal()
|
||||
{
|
||||
var router = new HistoryRouter();
|
||||
router.Dispose();
|
||||
|
||||
Should.Throw<ObjectDisposedException>(
|
||||
() => router.Register("ns", new FakeSource("x")));
|
||||
}
|
||||
|
||||
private sealed class FakeSource(string name) : IHistorianDataSource
|
||||
{
|
||||
public string Name { get; } = name;
|
||||
public bool IsDisposed { get; private set; }
|
||||
|
||||
public void Dispose() => IsDisposed = true;
|
||||
|
||||
public Task<HistoryReadResult> ReadRawAsync(string fullReference, DateTime startUtc, DateTime endUtc, uint maxValuesPerNode, CancellationToken cancellationToken)
|
||||
=> throw new NotImplementedException();
|
||||
|
||||
public Task<HistoryReadResult> ReadProcessedAsync(string fullReference, DateTime startUtc, DateTime endUtc, TimeSpan interval, HistoryAggregateType aggregate, CancellationToken cancellationToken)
|
||||
=> throw new NotImplementedException();
|
||||
|
||||
public Task<HistoryReadResult> ReadAtTimeAsync(string fullReference, IReadOnlyList<DateTime> timestampsUtc, CancellationToken cancellationToken)
|
||||
=> throw new NotImplementedException();
|
||||
|
||||
public Task<HistoricalEventsResult> ReadEventsAsync(string? sourceName, DateTime startUtc, DateTime endUtc, int maxEvents, CancellationToken cancellationToken)
|
||||
=> throw new NotImplementedException();
|
||||
|
||||
public HistorianHealthSnapshot GetHealthSnapshot()
|
||||
=> new(0, 0, 0, 0, null, null, null, false, false, null, null, []);
|
||||
}
|
||||
|
||||
private sealed class ThrowingFakeSource : IHistorianDataSource
|
||||
{
|
||||
public void Dispose() => throw new InvalidOperationException("boom");
|
||||
|
||||
public Task<HistoryReadResult> ReadRawAsync(string fullReference, DateTime startUtc, DateTime endUtc, uint maxValuesPerNode, CancellationToken cancellationToken)
|
||||
=> throw new NotImplementedException();
|
||||
|
||||
public Task<HistoryReadResult> ReadProcessedAsync(string fullReference, DateTime startUtc, DateTime endUtc, TimeSpan interval, HistoryAggregateType aggregate, CancellationToken cancellationToken)
|
||||
=> throw new NotImplementedException();
|
||||
|
||||
public Task<HistoryReadResult> ReadAtTimeAsync(string fullReference, IReadOnlyList<DateTime> timestampsUtc, CancellationToken cancellationToken)
|
||||
=> throw new NotImplementedException();
|
||||
|
||||
public Task<HistoricalEventsResult> ReadEventsAsync(string? sourceName, DateTime startUtc, DateTime endUtc, int maxEvents, CancellationToken cancellationToken)
|
||||
=> throw new NotImplementedException();
|
||||
|
||||
public HistorianHealthSnapshot GetHealthSnapshot()
|
||||
=> new(0, 0, 0, 0, null, null, null, false, false, null, null, []);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user