Joseph Doherty
466 lines
22 KiB
C#
466 lines
22 KiB
C#
using System.Text.Json;
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using Akka.Actor;
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using Akka.TestKit.Xunit2;
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using Microsoft.Extensions.Logging.Abstractions;
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using ZB.MOM.WW.ScadaBridge.Commons.Messages.DataConnection;
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using ZB.MOM.WW.ScadaBridge.Commons.Messages.Streaming;
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using ZB.MOM.WW.ScadaBridge.Commons.Types.Alarms;
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using ZB.MOM.WW.ScadaBridge.Commons.Types.Enums;
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using ZB.MOM.WW.ScadaBridge.Commons.Types.Flattening;
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using ZB.MOM.WW.ScadaBridge.SiteRuntime;
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using ZB.MOM.WW.ScadaBridge.SiteRuntime.Actors;
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using ZB.MOM.WW.ScadaBridge.SiteRuntime.Messages;
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using ZB.MOM.WW.ScadaBridge.SiteRuntime.Persistence;
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using ZB.MOM.WW.ScadaBridge.SiteRuntime.Tests.TestSupport;
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namespace ZB.MOM.WW.ScadaBridge.SiteRuntime.Tests.Actors;
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/// <summary>
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/// Task 15: NativeAlarmActor mirrors a source's native alarms — subscribe on start,
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/// emit enriched AlarmStateChanged, snapshot atomic swap, retention, persistence.
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/// </summary>
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public class NativeAlarmActorTests : TestKit, IDisposable
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{
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private readonly string _dbFile;
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private readonly SiteStorageService _storage;
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private readonly SiteRuntimeOptions _options = new();
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public NativeAlarmActorTests()
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{
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_dbFile = Path.Combine(Path.GetTempPath(), $"naa-{Guid.NewGuid():N}.db");
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_storage = new SiteStorageService($"Data Source={_dbFile}", NullLogger<SiteStorageService>.Instance);
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_storage.InitializeAsync().GetAwaiter().GetResult();
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}
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private static ResolvedNativeAlarmSource Source() => new()
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{
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CanonicalName = "Pressure",
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ConnectionName = "Opc",
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SourceReference = "ns=2;s=T01"
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};
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private static NativeAlarmTransition Transition(
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string sourceRef, AlarmTransitionKind kind, AlarmConditionState condition, DateTimeOffset? time = null) =>
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new(sourceRef, "T01", "AnalogLimit.Hi", kind, condition,
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"Process", "hi", "hi", "", "", null, time ?? DateTimeOffset.UtcNow, "92", "90");
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private IActorRef Spawn(IActorRef instanceActor, IActorRef dclManager, IServiceProvider? serviceProvider = null) =>
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Spawn(instanceActor, dclManager, _options, serviceProvider);
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private IActorRef Spawn(IActorRef instanceActor, IActorRef dclManager, SiteRuntimeOptions options,
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IServiceProvider? serviceProvider = null) =>
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ActorOf(Props.Create(() => new NativeAlarmActor(
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Source(), "inst", instanceActor, dclManager, _storage, options,
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NullLogger<NativeAlarmActor>.Instance, AlarmKind.NativeOpcUa, serviceProvider)));
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[Fact]
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public void SubscribeOnStart_SendsRequestForSourceBinding()
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{
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var dcl = CreateTestProbe();
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Spawn(CreateTestProbe().Ref, dcl.Ref);
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var req = dcl.ExpectMsg<SubscribeAlarmsRequest>();
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Assert.Equal("inst", req.InstanceUniqueName);
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Assert.Equal("Opc", req.ConnectionName);
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Assert.Equal("ns=2;s=T01", req.SourceReference);
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}
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[Fact]
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public void Raise_EmitsEnrichedAlarmStateChanged()
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{
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var instance = CreateTestProbe();
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var dcl = CreateTestProbe();
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var actor = Spawn(instance.Ref, dcl.Ref);
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dcl.ExpectMsg<SubscribeAlarmsRequest>();
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.Raise,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800))));
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var emitted = instance.ExpectMsg<AlarmStateChanged>();
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Assert.Equal(AlarmKind.NativeOpcUa, emitted.Kind);
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Assert.Equal("T01.Hi", emitted.SourceReference);
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Assert.Equal(AlarmState.Active, emitted.State);
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Assert.Equal(800, emitted.Condition.Severity);
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}
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[Fact]
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public void Raise_StampsNativeSourceCanonicalName_FromConfiguredBinding()
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{
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// DV-1: every emitted condition carries the canonical name of the source
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// BINDING it belongs to, so the DebugView can nest live native conditions
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// under their configured binding node. It must equal the binding's
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// CanonicalName used to construct the actor (Source().CanonicalName).
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var instance = CreateTestProbe();
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var dcl = CreateTestProbe();
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var actor = Spawn(instance.Ref, dcl.Ref);
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dcl.ExpectMsg<SubscribeAlarmsRequest>();
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.Raise,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800))));
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var emitted = instance.ExpectMsg<AlarmStateChanged>();
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Assert.Equal(Source().CanonicalName, emitted.NativeSourceCanonicalName);
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Assert.Equal("Pressure", emitted.NativeSourceCanonicalName);
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}
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[Fact]
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public void SnapshotComplete_WithMissingPriorAlarm_EmitsReturnToNormal()
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{
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var instance = CreateTestProbe();
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var dcl = CreateTestProbe();
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var actor = Spawn(instance.Ref, dcl.Ref);
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dcl.ExpectMsg<SubscribeAlarmsRequest>();
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.Raise,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800))));
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instance.ExpectMsg<AlarmStateChanged>(m => m.State == AlarmState.Active);
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// A fresh snapshot that no longer contains T01.Hi means it cleared at the source.
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.SnapshotComplete,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800))));
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var cleared = instance.ExpectMsg<AlarmStateChanged>();
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Assert.Equal("T01.Hi", cleared.SourceReference);
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Assert.Equal(AlarmState.Normal, cleared.State);
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}
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[Fact]
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public void OlderTransition_IsIgnored()
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{
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var instance = CreateTestProbe();
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var dcl = CreateTestProbe();
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var actor = Spawn(instance.Ref, dcl.Ref);
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dcl.ExpectMsg<SubscribeAlarmsRequest>();
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var t0 = DateTimeOffset.UtcNow;
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.Raise,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800), t0)));
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instance.ExpectMsg<AlarmStateChanged>(m => m.State == AlarmState.Active);
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// An out-of-order (older) transition must not overwrite newer state.
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.Clear,
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new AlarmConditionState(false, true, null, AlarmShelveState.Unshelved, false, 0), t0.AddSeconds(-30))));
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instance.ExpectNoMsg(TimeSpan.FromMilliseconds(300));
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}
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// ── PLAN-03 Task 20 (P4): coalesced batched persistence ─────────────────
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private IActorRef SpawnWithFlush(IActorRef instanceActor, IActorRef dclManager, TimeSpan flushInterval) =>
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ActorOf(Props.Create(() => new NativeAlarmActor(
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Source(), "inst", instanceActor, dclManager, _storage, _options,
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NullLogger<NativeAlarmActor>.Instance, AlarmKind.NativeOpcUa, null, flushInterval)));
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private static void DeliverLiveTransition(IActorRef actor, string sourceRef, int severity, DateTimeOffset time) =>
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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sourceRef, AlarmTransitionKind.Raise,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, severity), time)));
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[Fact]
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public async Task AlarmStorm_CoalescesPersistence_LatestPerSourceRefWins()
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{
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var instance = CreateTestProbe();
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var dcl = CreateTestProbe();
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var actor = SpawnWithFlush(instance.Ref, dcl.Ref, TimeSpan.FromMilliseconds(100));
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dcl.ExpectMsg<SubscribeAlarmsRequest>();
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// 50 live transitions across 5 source refs (strictly increasing time per ref so none
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// is dropped as stale) — the coalesced flush must collapse them to one row per ref.
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var baseTime = DateTimeOffset.UtcNow;
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for (var i = 0; i < 50; i++)
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DeliverLiveTransition(actor, $"ref-{i % 5}", severity: i, baseTime.AddMilliseconds(i));
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await Task.Delay(500); // > flush interval
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var rows = await _storage.GetNativeAlarmsAsync("inst", Source().CanonicalName);
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Assert.Equal(5, rows.Count);
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// The LAST write for ref-4 carries severity 49 (i = 49, 49 % 5 == 4).
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Assert.Contains(rows, r => r.ConditionJson.Contains("49"));
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}
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// ── PLAN-03 Task 21 (UA4): rehydration restores display metadata ────────
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[Fact]
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public async Task Rehydration_RestoresDisplayMetadata()
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{
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var instance1 = CreateTestProbe();
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var dcl1 = CreateTestProbe();
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var actor1 = SpawnWithFlush(instance1.Ref, dcl1.Ref, TimeSpan.FromMilliseconds(100));
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dcl1.ExpectMsg<SubscribeAlarmsRequest>();
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// A live raise carrying full display metadata.
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actor1.Tell(new NativeAlarmTransitionUpdate("Opc", new NativeAlarmTransition(
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"ref-1", "T01", "HighLevelAlarm", AlarmTransitionKind.Raise,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800),
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"Process", "desc", "Tank overflow", "", "", null, DateTimeOffset.UtcNow, "92", "90")));
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instance1.ExpectMsg<AlarmStateChanged>(m => m.State == AlarmState.Active);
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// Wait for the coalesced flush to land the metadata in SQLite.
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await AwaitAssertAsync(async () =>
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{
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var rows = await _storage.GetNativeAlarmsAsync("inst", Source().CanonicalName);
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Assert.Contains(rows, r => r.MetadataJson != null && r.MetadataJson.Contains("HighLevelAlarm"));
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}, TimeSpan.FromSeconds(3));
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// A fresh actor on the SAME storage rehydrates in PreStart and re-emits the condition
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// with the restored metadata instead of empty strings.
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var instance2 = CreateTestProbe();
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var dcl2 = CreateTestProbe();
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SpawnWithFlush(instance2.Ref, dcl2.Ref, TimeSpan.FromMilliseconds(100));
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var emitted = instance2.FishForMessage<AlarmStateChanged>(m => m.SourceReference == "ref-1", TimeSpan.FromSeconds(5));
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Assert.Equal("HighLevelAlarm", emitted.AlarmTypeName);
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Assert.Equal("Process", emitted.Category);
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Assert.Equal("Tank overflow", emitted.Message);
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}
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// ── M1.5: site event log `alarm` category ──────────────────────────────
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[Fact]
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public void Raise_EmitsAlarmSiteEvent()
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{
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var siteLog = new FakeSiteEventLogger();
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var instance = CreateTestProbe();
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var dcl = CreateTestProbe();
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var actor = Spawn(instance.Ref, dcl.Ref, new SingleServiceProvider(siteLog));
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dcl.ExpectMsg<SubscribeAlarmsRequest>();
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.Raise,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800))));
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instance.ExpectMsg<AlarmStateChanged>(m => m.State == AlarmState.Active);
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AwaitAssert(() =>
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{
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var rows = siteLog.OfType("alarm");
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Assert.Single(rows);
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var row = rows[0];
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Assert.Equal("Error", row.Severity); // severity 800 → Error
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Assert.Equal("inst", row.InstanceId);
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Assert.Equal("NativeAlarmActor:Pressure", row.Source);
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}, TimeSpan.FromSeconds(2));
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}
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[Fact]
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public void Clear_EmitsInfoAlarmSiteEvent()
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{
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var siteLog = new FakeSiteEventLogger();
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var instance = CreateTestProbe();
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var dcl = CreateTestProbe();
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var actor = Spawn(instance.Ref, dcl.Ref, new SingleServiceProvider(siteLog));
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dcl.ExpectMsg<SubscribeAlarmsRequest>();
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var t0 = DateTimeOffset.UtcNow;
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.Raise,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800), t0)));
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instance.ExpectMsg<AlarmStateChanged>(m => m.State == AlarmState.Active);
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// Clear (inactive but not yet acked → stays mirrored, return-to-normal emit).
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.Clear,
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new AlarmConditionState(false, false, null, AlarmShelveState.Unshelved, false, 0), t0.AddSeconds(5))));
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instance.ExpectMsg<AlarmStateChanged>(m => m.State == AlarmState.Normal);
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AwaitAssert(() =>
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{
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var rows = siteLog.OfType("alarm");
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Assert.Equal(2, rows.Count); // raise + clear
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Assert.Equal("Error", rows[0].Severity);
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Assert.Equal("Info", rows[1].Severity); // return-to-normal → Info
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}, TimeSpan.FromSeconds(2));
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}
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[Fact]
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public async Task Rehydration_DoesNotEmitSiteEvent()
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{
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// Pre-populate SQLite with an active condition so the actor rehydrates
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// it on PreStart. Rehydration replays last-known state — it is NOT a
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// live transition, so it must surface upward (for the DebugView) but
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// must NOT re-log an `alarm` operational event.
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var condition = new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800);
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await _storage.UpsertNativeAlarmAsync(
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"inst", "Pressure", "T01.Hi",
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JsonSerializer.Serialize(condition), DateTimeOffset.UtcNow);
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var siteLog = new FakeSiteEventLogger();
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var instance = CreateTestProbe();
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var dcl = CreateTestProbe();
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Spawn(instance.Ref, dcl.Ref, new SingleServiceProvider(siteLog));
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// The rehydrated condition is surfaced upward...
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var emitted = instance.ExpectMsg<AlarmStateChanged>(TimeSpan.FromSeconds(2));
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Assert.Equal("T01.Hi", emitted.SourceReference);
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Assert.Equal(AlarmState.Active, emitted.State);
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dcl.ExpectMsg<SubscribeAlarmsRequest>();
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// ...but no `alarm` operational event is logged for it.
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AwaitAssert(
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() => Assert.Empty(siteLog.OfType("alarm")),
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TimeSpan.FromSeconds(1));
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}
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[Fact]
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public void SnapshotSwap_ExistingActiveCondition_DoesNotReEmit()
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{
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var siteLog = new FakeSiteEventLogger();
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var instance = CreateTestProbe();
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var dcl = CreateTestProbe();
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var actor = Spawn(instance.Ref, dcl.Ref, new SingleServiceProvider(siteLog));
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dcl.ExpectMsg<SubscribeAlarmsRequest>();
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// Live raise — the one and only `alarm` event we expect.
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.Raise,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800))));
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instance.ExpectMsg<AlarmStateChanged>(m => m.State == AlarmState.Active);
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AwaitAssert(() => Assert.Single(siteLog.OfType("alarm")), TimeSpan.FromSeconds(2));
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// A reconnect snapshot that RE-INCLUDES the same still-active condition is
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// a re-sync, not a live transition. It must NOT re-log a second `alarm`
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// event (regression for the spurious-reconnect-event bug).
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.Snapshot,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800))));
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.SnapshotComplete,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800))));
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// The snapshot still surfaces the condition upward (DebugView re-sync)...
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instance.ExpectMsg<AlarmStateChanged>(m => m.SourceReference == "T01.Hi" && m.State == AlarmState.Active);
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// ...but the `alarm` event count stays at exactly 1 — no re-emit.
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Thread.Sleep(200); // give any spurious fire-and-forget log time to land
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Assert.Single(siteLog.OfType("alarm"));
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}
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[Fact]
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public void Acknowledge_EmitsInfoAlarmSiteEventMentioningAcknowledged()
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{
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var siteLog = new FakeSiteEventLogger();
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var instance = CreateTestProbe();
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var dcl = CreateTestProbe();
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var actor = Spawn(instance.Ref, dcl.Ref, new SingleServiceProvider(siteLog));
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dcl.ExpectMsg<SubscribeAlarmsRequest>();
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var t0 = DateTimeOffset.UtcNow;
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.Raise,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800), t0)));
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instance.ExpectMsg<AlarmStateChanged>(m => m.State == AlarmState.Active);
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// Operator acknowledges the still-active condition. The Acknowledge
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// branch of LogAlarmEvent logs Info and mentions "acknowledged".
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"T01.Hi", AlarmTransitionKind.Acknowledge,
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new AlarmConditionState(true, true, null, AlarmShelveState.Unshelved, false, 800), t0.AddSeconds(5))));
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instance.ExpectMsg<AlarmStateChanged>();
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AwaitAssert(() =>
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{
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var rows = siteLog.OfType("alarm");
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Assert.Equal(2, rows.Count); // raise + acknowledge
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var ack = rows[1];
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Assert.Equal("Info", ack.Severity);
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Assert.Contains("acknowledged", ack.Message, StringComparison.OrdinalIgnoreCase);
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}, TimeSpan.FromSeconds(2));
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}
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// ── SiteRuntime-028: cap eviction emits a return-to-normal for an active drop ──
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[Fact]
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public void EnforceCap_EvictsActiveOldestCondition_EmitsReturnToNormalAndDropSignal()
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{
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// SiteRuntime-028: a cap eviction that drops a still-Active condition without a
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// return-to-normal leaves the Instance Actor (and central's stream / the
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// operator Alarm Summary) showing a phantom Active alarm forever. With cap=1,
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// raising a second condition evicts the oldest (still Active) one — which must
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// produce a Normal AlarmStateChanged for the evicted SourceReference, plus the
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// SiteRuntime-027 NativeAlarmDropped so the parent evicts its stale key.
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var instance = CreateTestProbe();
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var dcl = CreateTestProbe();
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var options = new SiteRuntimeOptions { MirroredAlarmCapPerSource = 1 };
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var actor = Spawn(instance.Ref, dcl.Ref, options);
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dcl.ExpectMsg<SubscribeAlarmsRequest>();
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var t0 = DateTimeOffset.UtcNow;
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// Oldest active condition (will be evicted when the cap is exceeded).
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"OLD.Hi", AlarmTransitionKind.Raise,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800), t0)));
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instance.ExpectMsg<AlarmStateChanged>(m => m.SourceReference == "OLD.Hi" && m.State == AlarmState.Active);
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// Newer active condition pushes the set to 2 > cap(1) → OLD.Hi is evicted.
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actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
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"NEW.Hi", AlarmTransitionKind.Raise,
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new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800), t0.AddSeconds(5))));
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// The new condition is emitted active...
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instance.ExpectMsg<AlarmStateChanged>(m => m.SourceReference == "NEW.Hi" && m.State == AlarmState.Active);
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// ...and the evicted oldest condition must be cleared (return-to-normal), not
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// left phantom-active.
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instance.ExpectMsg<AlarmStateChanged>(m => m.SourceReference == "OLD.Hi" && m.State == AlarmState.Normal);
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// ...and the parent is told to evict the stale _latestAlarmEvents key.
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instance.ExpectMsg<NativeAlarmDropped>(m => m.SourceReference == "OLD.Hi");
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}
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// ── SiteRuntime-027: terminal retention drop signals the parent to evict its key ──
|
||
|
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[Fact]
|
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public void RetentionDrop_ResolvedCondition_EmitsReturnToNormalThenDropSignal()
|
||
{
|
||
// SiteRuntime-027: when a native condition resolves (inactive AND acknowledged)
|
||
// it drops out of the mirror. The Instance Actor must be told (NativeAlarmDropped)
|
||
// so its _latestAlarmEvents map does not retain a stale (Normal) entry forever —
|
||
// otherwise a source that mints a fresh SourceReference per occurrence leaks one
|
||
// entry per condition the instance has ever seen.
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||
var instance = CreateTestProbe();
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||
var dcl = CreateTestProbe();
|
||
var actor = Spawn(instance.Ref, dcl.Ref);
|
||
dcl.ExpectMsg<SubscribeAlarmsRequest>();
|
||
|
||
var t0 = DateTimeOffset.UtcNow;
|
||
actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
|
||
"T01.Hi", AlarmTransitionKind.Raise,
|
||
new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800), t0)));
|
||
instance.ExpectMsg<AlarmStateChanged>(m => m.State == AlarmState.Active);
|
||
|
||
// Resolved: inactive AND acknowledged → return-to-normal emitted, then dropped.
|
||
actor.Tell(new NativeAlarmTransitionUpdate("Opc", Transition(
|
||
"T01.Hi", AlarmTransitionKind.Clear,
|
||
new AlarmConditionState(false, true, null, AlarmShelveState.Unshelved, false, 0), t0.AddSeconds(5))));
|
||
|
||
instance.ExpectMsg<AlarmStateChanged>(m => m.SourceReference == "T01.Hi" && m.State == AlarmState.Normal);
|
||
instance.ExpectMsg<NativeAlarmDropped>(m => m.SourceReference == "T01.Hi");
|
||
}
|
||
|
||
void IDisposable.Dispose()
|
||
{
|
||
Shutdown();
|
||
if (File.Exists(_dbFile))
|
||
{
|
||
File.Delete(_dbFile);
|
||
}
|
||
}
|
||
|
||
[Fact]
|
||
public void LostSubscribeResponse_ResendsSubscribe()
|
||
{
|
||
// S4: a LOST subscribe response (no reply at all) must be re-sent, not only
|
||
// a failure reply. The response-timeout arm fires at 2× the retry interval.
|
||
var options = new SiteRuntimeOptions { NativeAlarmRetryIntervalMs = 200 };
|
||
var dcl = CreateTestProbe();
|
||
Spawn(CreateTestProbe().Ref, dcl.Ref, options);
|
||
|
||
dcl.ExpectMsg<SubscribeAlarmsRequest>();
|
||
// Swallow the response entirely — the actor must still re-subscribe.
|
||
dcl.ExpectMsg<SubscribeAlarmsRequest>(TimeSpan.FromSeconds(5));
|
||
}
|
||
}
|