Joseph Doherty
627 lines
23 KiB
C#
627 lines
23 KiB
C#
using Akka.Actor;
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using Akka.TestKit;
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using Akka.TestKit.Xunit2;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Logging.Abstractions;
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using ZB.MOM.WW.ScadaBridge.Commons.Interfaces.Protocol;
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using ZB.MOM.WW.ScadaBridge.Commons.Messages.DataConnection;
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using ZB.MOM.WW.ScadaBridge.Commons.Messages.Instance;
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using ZB.MOM.WW.ScadaBridge.Commons.Messages.Lifecycle;
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using ZB.MOM.WW.ScadaBridge.Commons.Types.Flattening;
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using ZB.MOM.WW.ScadaBridge.SiteRuntime.Actors;
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using ZB.MOM.WW.ScadaBridge.SiteRuntime.Persistence;
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using ZB.MOM.WW.ScadaBridge.SiteRuntime.Scripts;
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using ZB.MOM.WW.ScadaBridge.SiteRuntime.Tests.TestSupport;
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using System.Text.Json;
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namespace ZB.MOM.WW.ScadaBridge.SiteRuntime.Tests.Actors;
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/// <summary>
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/// Tests for InstanceActor: attribute loading, static overrides, and persistence.
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/// </summary>
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public class InstanceActorTests : TestKit, IDisposable
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{
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private readonly SiteStorageService _storage;
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private readonly ScriptCompilationService _compilationService;
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private readonly SharedScriptLibrary _sharedScriptLibrary;
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private readonly SiteRuntimeOptions _options;
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private readonly string _dbFile;
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public InstanceActorTests()
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{
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_dbFile = Path.Combine(Path.GetTempPath(), $"instance-actor-test-{Guid.NewGuid():N}.db");
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_storage = new SiteStorageService(
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$"Data Source={_dbFile}",
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NullLogger<SiteStorageService>.Instance);
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_storage.InitializeAsync().GetAwaiter().GetResult();
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_compilationService = new ScriptCompilationService(
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NullLogger<ScriptCompilationService>.Instance);
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_sharedScriptLibrary = new SharedScriptLibrary(
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_compilationService, NullLogger<SharedScriptLibrary>.Instance);
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_options = new SiteRuntimeOptions();
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}
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private IActorRef CreateInstanceActor(string instanceName, FlattenedConfiguration config)
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{
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return ActorOf(Props.Create(() => new InstanceActor(
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instanceName,
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JsonSerializer.Serialize(config),
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_storage,
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_compilationService,
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_sharedScriptLibrary,
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null, // no stream manager in tests
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_options,
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NullLogger<InstanceActor>.Instance)));
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}
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void IDisposable.Dispose()
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{
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Shutdown();
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try { File.Delete(_dbFile); } catch { /* cleanup */ }
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}
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// ── M1.6: site event log `instance_lifecycle` category ──────────────────
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[Fact]
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public void InstanceActor_Start_EmitsInstanceLifecycleSiteEvent()
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{
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var siteLog = new FakeSiteEventLogger();
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "LifecyclePump",
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Attributes = [new ResolvedAttribute { CanonicalName = "T", Value = "1", DataType = "Int32" }]
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};
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ActorOf(Props.Create(() => new InstanceActor(
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"LifecyclePump",
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JsonSerializer.Serialize(config),
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_storage,
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_compilationService,
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_sharedScriptLibrary,
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null,
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_options,
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NullLogger<InstanceActor>.Instance,
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null,
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null,
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new SingleServiceProvider(siteLog))));
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AwaitAssert(() =>
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{
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var rows = siteLog.OfType("instance_lifecycle");
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Assert.Contains(rows, r =>
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r.Severity == "Info" &&
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r.InstanceId == "LifecyclePump" &&
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r.Source == "InstanceActor:LifecyclePump" &&
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r.Message.Contains("started", StringComparison.OrdinalIgnoreCase));
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}, TimeSpan.FromSeconds(2));
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}
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[Fact]
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public void InstanceActor_Stop_EmitsInstanceLifecycleSiteEvent()
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{
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var siteLog = new FakeSiteEventLogger();
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "StoppedPump",
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Attributes = [new ResolvedAttribute { CanonicalName = "T", Value = "1", DataType = "Int32" }]
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};
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var actor = ActorOf(Props.Create(() => new InstanceActor(
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"StoppedPump",
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JsonSerializer.Serialize(config),
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_storage,
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_compilationService,
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_sharedScriptLibrary,
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null,
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_options,
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NullLogger<InstanceActor>.Instance,
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null,
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null,
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new SingleServiceProvider(siteLog))));
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// Let PreStart land its started event, then stop the actor.
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AwaitAssert(() => Assert.NotEmpty(siteLog.OfType("instance_lifecycle")),
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TimeSpan.FromSeconds(2));
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Watch(actor);
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actor.Tell(PoisonPill.Instance);
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ExpectTerminated(actor, TimeSpan.FromSeconds(5));
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AwaitAssert(() =>
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{
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var rows = siteLog.OfType("instance_lifecycle");
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Assert.Contains(rows, r =>
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r.Severity == "Info" &&
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r.InstanceId == "StoppedPump" &&
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r.Message.Contains("stopped", StringComparison.OrdinalIgnoreCase));
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}, TimeSpan.FromSeconds(2));
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}
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[Fact]
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public void InstanceActor_LoadsAttributesFromConfig()
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{
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "Pump1",
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Attributes =
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[
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new ResolvedAttribute { CanonicalName = "Temperature", Value = "98.6", DataType = "Double" },
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new ResolvedAttribute { CanonicalName = "Status", Value = "Running", DataType = "String" }
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]
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};
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var actor = CreateInstanceActor("Pump1", config);
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// Query for an attribute that exists
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actor.Tell(new GetAttributeRequest(
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"corr-1", "Pump1", "Temperature", DateTimeOffset.UtcNow));
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var response = ExpectMsg<GetAttributeResponse>();
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Assert.True(response.Found);
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Assert.Equal("98.6", response.Value?.ToString());
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Assert.Equal("corr-1", response.CorrelationId);
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}
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[Fact]
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public void InstanceActor_GetAttribute_NotFound_ReturnsFalse()
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{
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "Pump1",
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Attributes = []
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};
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var actor = CreateInstanceActor("Pump1", config);
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actor.Tell(new GetAttributeRequest(
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"corr-2", "Pump1", "NonExistent", DateTimeOffset.UtcNow));
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var response = ExpectMsg<GetAttributeResponse>();
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Assert.False(response.Found);
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Assert.Null(response.Value);
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}
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[Fact]
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public void InstanceActor_SetStaticAttribute_UpdatesInMemory()
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{
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "Pump1",
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Attributes =
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[
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new ResolvedAttribute { CanonicalName = "Temperature", Value = "98.6", DataType = "Double" }
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]
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};
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var actor = CreateInstanceActor("Pump1", config);
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// A static attribute write replies with SetStaticAttributeResponse.
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actor.Tell(new SetStaticAttributeCommand(
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"corr-3", "Pump1", "Temperature", "100.0", DateTimeOffset.UtcNow));
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var setResponse = ExpectMsg<SetStaticAttributeResponse>();
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Assert.True(setResponse.Success);
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// Verify the value changed in memory
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actor.Tell(new GetAttributeRequest(
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"corr-4", "Pump1", "Temperature", DateTimeOffset.UtcNow));
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var getResponse = ExpectMsg<GetAttributeResponse>();
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Assert.True(getResponse.Found);
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Assert.Equal("100.0", getResponse.Value?.ToString());
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}
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[Fact]
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public async Task InstanceActor_SetStaticAttribute_PersistsToSQLite()
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{
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "PumpPersist1",
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Attributes =
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[
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new ResolvedAttribute { CanonicalName = "Temperature", Value = "98.6", DataType = "Double" }
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]
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};
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var actor = CreateInstanceActor("PumpPersist1", config);
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actor.Tell(new SetStaticAttributeCommand(
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"corr-persist", "PumpPersist1", "Temperature", "100.0", DateTimeOffset.UtcNow));
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// A static attribute write replies with SetStaticAttributeResponse once the
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// in-memory state is updated; then wait for the async SQLite persist.
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ExpectMsg<SetStaticAttributeResponse>(TimeSpan.FromSeconds(5));
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await Task.Delay(500);
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// Verify it persisted to SQLite
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var overrides = await _storage.GetStaticOverridesAsync("PumpPersist1");
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Assert.Single(overrides);
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Assert.Equal("100.0", overrides["Temperature"]);
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}
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[Fact]
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public async Task InstanceActor_LoadsStaticOverridesFromSQLite()
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{
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// Pre-populate overrides in SQLite
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await _storage.SetStaticOverrideAsync("PumpOverride1", "Temperature", "200.0");
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "PumpOverride1",
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Attributes =
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[
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new ResolvedAttribute { CanonicalName = "Temperature", Value = "98.6", DataType = "Double" }
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]
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};
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var actor = CreateInstanceActor("PumpOverride1", config);
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// Wait for the async override loading to complete (PipeTo)
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await Task.Delay(1000);
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actor.Tell(new GetAttributeRequest(
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"corr-5", "PumpOverride1", "Temperature", DateTimeOffset.UtcNow));
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var response = ExpectMsg<GetAttributeResponse>();
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Assert.True(response.Found);
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// The override value should take precedence over the config default
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Assert.Equal("200.0", response.Value?.ToString());
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}
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[Fact]
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public async Task StaticOverride_ResetOnRedeployment()
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{
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// Set up an override
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await _storage.SetStaticOverrideAsync("PumpRedeploy", "Temperature", "200.0");
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// Verify override exists
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var overrides = await _storage.GetStaticOverridesAsync("PumpRedeploy");
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Assert.Single(overrides);
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// Clear overrides (simulates what DeploymentManager does on redeployment)
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await _storage.ClearStaticOverridesAsync("PumpRedeploy");
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overrides = await _storage.GetStaticOverridesAsync("PumpRedeploy");
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Assert.Empty(overrides);
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// Create actor with fresh config -- should NOT have the override
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "PumpRedeploy",
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Attributes =
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[
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new ResolvedAttribute { CanonicalName = "Temperature", Value = "98.6", DataType = "Double" }
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]
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};
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var actor = CreateInstanceActor("PumpRedeploy", config);
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await Task.Delay(1000);
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actor.Tell(new GetAttributeRequest(
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"corr-6", "PumpRedeploy", "Temperature", DateTimeOffset.UtcNow));
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var response = ExpectMsg<GetAttributeResponse>();
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Assert.Equal("98.6", response.Value?.ToString());
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}
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[Fact]
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public void InstanceActor_DataSourcedAttribute_StartsWithUncertainQuality()
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{
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "Pump1",
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Attributes =
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[
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new ResolvedAttribute
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{
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CanonicalName = "Temperature",
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Value = "0",
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DataType = "Double",
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DataSourceReference = "/Motor/Temperature",
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BoundDataConnectionName = "OpcServer1"
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}
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]
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};
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var actor = CreateInstanceActor("Pump1", config);
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actor.Tell(new GetAttributeRequest(
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"corr-quality-1", "Pump1", "Temperature", DateTimeOffset.UtcNow));
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var response = ExpectMsg<GetAttributeResponse>();
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Assert.True(response.Found);
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Assert.Equal("Uncertain", response.Quality);
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}
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/// <summary>
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/// SiteRuntime-019: the disable/enable lifecycle is owned entirely by the
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/// Deployment Manager (it stops / re-creates the Instance Actor itself and
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/// replies to the caller). The Instance Actor must NOT handle
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/// <see cref="DisableInstanceCommand"/> / <see cref="EnableInstanceCommand"/>
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/// — the dead handlers that replied with a misleading "success"
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/// acknowledgement were removed. Sending one to the Instance Actor now goes
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/// unhandled and produces no <see cref="InstanceLifecycleResponse"/>.
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/// </summary>
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[Fact]
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public void InstanceActor_DoesNotHandleDisableOrEnableCommands()
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{
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "Pump1",
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Attributes = []
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};
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var actor = CreateInstanceActor("Pump1", config);
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actor.Tell(new DisableInstanceCommand("cmd-disable", "Pump1", DateTimeOffset.UtcNow));
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ExpectNoMsg(TimeSpan.FromMilliseconds(500));
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actor.Tell(new EnableInstanceCommand("cmd-enable", "Pump1", DateTimeOffset.UtcNow));
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ExpectNoMsg(TimeSpan.FromMilliseconds(500));
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}
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[Fact]
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public void InstanceActor_StaticAttribute_StartsWithGoodQuality()
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{
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "Pump1",
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Attributes =
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[
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new ResolvedAttribute
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{
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CanonicalName = "Label",
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Value = "Main Pump",
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DataType = "String"
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// No DataSourceReference — static attribute
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}
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]
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};
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var actor = CreateInstanceActor("Pump1", config);
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actor.Tell(new GetAttributeRequest(
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"corr-quality-2", "Pump1", "Label", DateTimeOffset.UtcNow));
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var response = ExpectMsg<GetAttributeResponse>();
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Assert.True(response.Found);
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Assert.Equal("Good", response.Quality);
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}
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/// <summary>
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/// A single PLC tag can back more than one attribute — e.g. two composed
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/// cooling-tank modules whose members both reference the one simulated
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/// <c>ns=3;s=Tank.Level</c> node. A <see cref="TagValueUpdate"/> must fan out
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/// to every attribute that references that tag path, not just the last one
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/// registered: the tag-path → attribute map previously overwrote on a shared
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/// tag, leaving all but one attribute permanently Uncertain.
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/// </summary>
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[Fact]
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public void InstanceActor_TagUpdate_FansOutToEveryAttributeSharingTheTagPath()
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{
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const string sharedTag = "ns=3;s=Tank.Level";
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "Motor-1",
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Attributes =
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[
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new ResolvedAttribute
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{
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CanonicalName = "CoolingTank.Level", Value = "0", DataType = "Int",
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DataSourceReference = sharedTag, BoundDataConnectionName = "PLC"
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},
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new ResolvedAttribute
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{
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CanonicalName = "CoolingTank2.Level", Value = "0", DataType = "Int",
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DataSourceReference = sharedTag, BoundDataConnectionName = "PLC"
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}
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]
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};
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var dcl = CreateTestProbe();
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var actor = ActorOf(Props.Create(() => new InstanceActor(
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"Motor-1",
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JsonSerializer.Serialize(config),
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_storage,
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_compilationService,
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_sharedScriptLibrary,
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null,
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_options,
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NullLogger<InstanceActor>.Instance,
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dcl.Ref)));
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// On startup the actor subscribes its data-sourced tags through the DCL.
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dcl.ExpectMsg<SubscribeTagsRequest>(TimeSpan.FromSeconds(5));
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// One value arrives for the tag that both attributes reference.
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actor.Tell(new TagValueUpdate("PLC", sharedTag, 47, QualityCode.Good, DateTimeOffset.UtcNow));
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// BOTH attributes must reflect it — not just the last-registered one.
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foreach (var attrName in new[] { "CoolingTank.Level", "CoolingTank2.Level" })
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{
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actor.Tell(new GetAttributeRequest("corr-fanout", "Motor-1", attrName, DateTimeOffset.UtcNow));
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var response = ExpectMsg<GetAttributeResponse>(TimeSpan.FromSeconds(5));
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Assert.True(response.Found);
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Assert.Equal("47", response.Value?.ToString());
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Assert.Equal("Good", response.Quality);
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}
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}
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// ── MV-8: data-sourced List attribute coercion ─────────────────────────
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private IActorRef CreateInstanceActorWithDcl(string instanceName, FlattenedConfiguration config, TestProbe dcl)
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{
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var actor = ActorOf(Props.Create(() => new InstanceActor(
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instanceName,
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JsonSerializer.Serialize(config),
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_storage,
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_compilationService,
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_sharedScriptLibrary,
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null,
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_options,
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NullLogger<InstanceActor>.Instance,
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dcl.Ref)));
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// On startup the actor subscribes its data-sourced tags through the DCL.
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dcl.ExpectMsg<SubscribeTagsRequest>(TimeSpan.FromSeconds(5));
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return actor;
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}
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/// <summary>
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/// MV-8: when a data-sourced attribute is declared <c>DataType.List</c>, an
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/// incoming OPC UA array value (a CLR array surfaces from the SDK) must be
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/// coerced into a typed <c>List<int></c> whose elements match the
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/// attribute's ElementDataType. The stored value must be a real list — not a
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/// JSON string — so scripts read a typed collection.
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/// </summary>
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[Fact]
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public void InstanceActor_DataSourcedListAttribute_CoercesArrayToTypedList()
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{
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const string tag = "ns=3;s=Pump.Setpoints";
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "Pump-List",
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Attributes =
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[
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new ResolvedAttribute
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{
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CanonicalName = "Setpoints", Value = null,
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DataType = "List", ElementDataType = "Int32",
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DataSourceReference = tag, BoundDataConnectionName = "PLC"
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}
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]
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};
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var dcl = CreateTestProbe();
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var actor = CreateInstanceActorWithDcl("Pump-List", config, dcl);
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// OPC UA delivers an array value (CLR array) for the List-typed tag.
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actor.Tell(new TagValueUpdate("PLC", tag, new[] { 10, 20, 30 }, QualityCode.Good, DateTimeOffset.UtcNow));
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actor.Tell(new GetAttributeRequest("corr-list", "Pump-List", "Setpoints", DateTimeOffset.UtcNow));
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var response = ExpectMsg<GetAttributeResponse>(TimeSpan.FromSeconds(5));
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Assert.True(response.Found);
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Assert.Equal("Good", response.Quality);
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var list = Assert.IsType<List<int>>(response.Value);
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Assert.Equal(new[] { 10, 20, 30 }, list);
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}
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/// <summary>
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/// MV-8: array elements coming in as a different CLR type (here, strings that
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/// are valid integers) must still coerce to the declared element type.
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/// </summary>
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[Fact]
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public void InstanceActor_DataSourcedListAttribute_CoercesElementTypes()
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{
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const string tag = "ns=3;s=Pump.Levels";
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var config = new FlattenedConfiguration
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{
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InstanceUniqueName = "Pump-ListCoerce",
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Attributes =
|
|
[
|
|
new ResolvedAttribute
|
|
{
|
|
CanonicalName = "Levels", Value = null,
|
|
DataType = "List", ElementDataType = "Double",
|
|
DataSourceReference = tag, BoundDataConnectionName = "PLC"
|
|
}
|
|
]
|
|
};
|
|
|
|
var dcl = CreateTestProbe();
|
|
var actor = CreateInstanceActorWithDcl("Pump-ListCoerce", config, dcl);
|
|
|
|
// Elements arrive as ints/strings but the attribute is List<double>.
|
|
actor.Tell(new TagValueUpdate("PLC", tag, new object[] { 1, "2.5", 3 }, QualityCode.Good, DateTimeOffset.UtcNow));
|
|
|
|
actor.Tell(new GetAttributeRequest("corr-coerce", "Pump-ListCoerce", "Levels", DateTimeOffset.UtcNow));
|
|
var response = ExpectMsg<GetAttributeResponse>(TimeSpan.FromSeconds(5));
|
|
|
|
Assert.True(response.Found);
|
|
Assert.Equal("Good", response.Quality);
|
|
var list = Assert.IsType<List<double>>(response.Value);
|
|
Assert.Equal(new[] { 1.0, 2.5, 3.0 }, list);
|
|
}
|
|
|
|
/// <summary>
|
|
/// MV-8: an element that cannot be coerced to the declared element type must
|
|
/// set the attribute quality to <c>Bad</c> and must NOT crash the actor (it
|
|
/// stays alive and continues to answer queries).
|
|
/// </summary>
|
|
[Fact]
|
|
public void InstanceActor_DataSourcedListAttribute_ElementMismatch_SetsBadQuality_ActorAlive()
|
|
{
|
|
const string tag = "ns=3;s=Pump.Bad";
|
|
var config = new FlattenedConfiguration
|
|
{
|
|
InstanceUniqueName = "Pump-ListBad",
|
|
Attributes =
|
|
[
|
|
new ResolvedAttribute
|
|
{
|
|
CanonicalName = "Counts", Value = null,
|
|
DataType = "List", ElementDataType = "Int32",
|
|
DataSourceReference = tag, BoundDataConnectionName = "PLC"
|
|
}
|
|
]
|
|
};
|
|
|
|
var dcl = CreateTestProbe();
|
|
var actor = CreateInstanceActorWithDcl("Pump-ListBad", config, dcl);
|
|
Watch(actor);
|
|
|
|
// "not-a-number" cannot be coerced to int → Bad quality, no crash.
|
|
actor.Tell(new TagValueUpdate("PLC", tag, new object[] { 1, "not-a-number", 3 }, QualityCode.Good, DateTimeOffset.UtcNow));
|
|
|
|
actor.Tell(new GetAttributeRequest("corr-bad", "Pump-ListBad", "Counts", DateTimeOffset.UtcNow));
|
|
var response = ExpectMsg<GetAttributeResponse>(TimeSpan.FromSeconds(5));
|
|
|
|
Assert.True(response.Found);
|
|
Assert.Equal("Bad", response.Quality);
|
|
|
|
// The actor must still be alive (no crash / restart) and serving.
|
|
ExpectNoTerminated(actor, TimeSpan.FromMilliseconds(500));
|
|
}
|
|
|
|
/// <summary>
|
|
/// MV-8 guard: scalar (non-List) data-sourced attributes keep the existing
|
|
/// pass-through behaviour — a scalar value is stored unchanged.
|
|
/// </summary>
|
|
[Fact]
|
|
public void InstanceActor_DataSourcedScalarAttribute_UnchangedByListPath()
|
|
{
|
|
const string tag = "ns=3;s=Pump.Speed";
|
|
var config = new FlattenedConfiguration
|
|
{
|
|
InstanceUniqueName = "Pump-Scalar",
|
|
Attributes =
|
|
[
|
|
new ResolvedAttribute
|
|
{
|
|
CanonicalName = "Speed", Value = "0", DataType = "Int32",
|
|
DataSourceReference = tag, BoundDataConnectionName = "PLC"
|
|
}
|
|
]
|
|
};
|
|
|
|
var dcl = CreateTestProbe();
|
|
var actor = CreateInstanceActorWithDcl("Pump-Scalar", config, dcl);
|
|
|
|
actor.Tell(new TagValueUpdate("PLC", tag, 1450, QualityCode.Good, DateTimeOffset.UtcNow));
|
|
|
|
actor.Tell(new GetAttributeRequest("corr-scalar", "Pump-Scalar", "Speed", DateTimeOffset.UtcNow));
|
|
var response = ExpectMsg<GetAttributeResponse>(TimeSpan.FromSeconds(5));
|
|
|
|
Assert.True(response.Found);
|
|
Assert.Equal("Good", response.Quality);
|
|
Assert.Equal(1450, response.Value);
|
|
}
|
|
|
|
private void ExpectNoTerminated(IActorRef actor, TimeSpan within)
|
|
{
|
|
// The actor is Watch()ed; assert no Terminated arrives in the window.
|
|
ExpectNoMsg(within);
|
|
Assert.False(actor.IsNobody());
|
|
}
|
|
}
|