feat(scripted-alarms): spawn + apply ScriptedAlarmHostActor in DriverHostActor (T10)

tests/Server/ZB.MOM.WW.OtOpcUa.Runtime.Tests/Drivers/DriverHostActorTests.cs

@@ -1,3 +1,4 @@
+using System.Text.Json;
 using Akka.Actor;
 using Microsoft.EntityFrameworkCore;
 using Shouldly;
@@ -7,6 +8,7 @@ using ZB.MOM.WW.OtOpcUa.Commons.Types;
 using ZB.MOM.WW.OtOpcUa.Configuration;
 using ZB.MOM.WW.OtOpcUa.Configuration.Enums;
 using ZB.MOM.WW.OtOpcUa.Runtime.Drivers;
+using ZB.MOM.WW.OtOpcUa.Runtime.ScriptedAlarms;
 using ZB.MOM.WW.OtOpcUa.Runtime.Tests.Harness;
 
 namespace ZB.MOM.WW.OtOpcUa.Runtime.Tests.Drivers;
@@ -126,6 +128,84 @@ public sealed class DriverHostActorTests : RuntimeActorTestBase
             .Status.ShouldBe(NodeDeploymentStatus.Applied);
     }
 
+    /// <summary>Fresh apply: dispatching a deployment whose artifact carries one Equipment
+    /// ScriptedAlarm forwards a <see cref="ScriptedAlarmHostActor.ApplyScriptedAlarms"/> carrying that
+    /// plan to the injected ScriptedAlarm host (via the <c>scriptedAlarmHostOverride</c> seam, mirroring
+    /// the VirtualTag-host wiring).</summary>
+    [Fact]
+    public void Apply_forwards_EquipmentScriptedAlarms_to_scripted_alarm_host()
+    {
+        var db = NewInMemoryDbFactory();
+        var deploymentId = SeedDeploymentWithScriptedAlarm(db, RevA);
+
+        var coordinator = CreateTestProbe();
+        var alarmHost = CreateTestProbe();
+        var actor = Sys.ActorOf(DriverHostActor.Props(
+            db, TestNode, coordinator.Ref,
+            localRoles: new HashSet<string> { "driver" },
+            scriptedAlarmHostOverride: alarmHost.Ref));
+
+        actor.Tell(new DispatchDeployment(deploymentId, RevA, CorrelationId.NewId()));
+
+        coordinator.ExpectMsg<ApplyAck>(TimeSpan.FromSeconds(5)).Outcome.ShouldBe(ApplyAckOutcome.Applied);
+
+        var apply = alarmHost.ExpectMsg<ScriptedAlarmHostActor.ApplyScriptedAlarms>(TimeSpan.FromSeconds(5));
+        var plan = apply.Plans.ShouldHaveSingleItem();
+        plan.ScriptedAlarmId.ShouldBe("al-1");
+        plan.EquipmentId.ShouldBe("eq-1");
+        plan.Name.ShouldBe("Overheat");
+        plan.PredicateSource.ShouldContain("ctx.GetTag");
+    }
+
+    private static DeploymentId SeedDeploymentWithScriptedAlarm(
+        IDbContextFactory<OtOpcUaConfigDbContext> db, RevisionHash rev)
+    {
+        // Artifact carries a ScriptedAlarm joined (by PredicateScriptId) to its predicate Script —
+        // the same shape ConfigComposer emits and DeploymentArtifact.ParseComposition decodes into
+        // composition.EquipmentScriptedAlarms.
+        var artifact = JsonSerializer.SerializeToUtf8Bytes(new
+        {
+            Scripts = new[]
+            {
+                new
+                {
+                    ScriptId = "scr-1",
+                    SourceCode = "return System.Convert.ToDouble(ctx.GetTag(\"Mach1.Temp\").Value) > 80;",
+                },
+            },
+            ScriptedAlarms = new[]
+            {
+                new
+                {
+                    ScriptedAlarmId = "al-1",
+                    EquipmentId = "eq-1",
+                    Name = "Overheat",
+                    AlarmType = "LimitAlarm",
+                    Severity = 700,
+                    MessageTemplate = "Machine 1 hot",
+                    PredicateScriptId = "scr-1",
+                    HistorizeToAveva = true,
+                    Retain = true,
+                    Enabled = true,
+                },
+            },
+        });
+
+        var id = DeploymentId.NewId();
+        using var ctx = db.CreateDbContext();
+        ctx.Deployments.Add(new Configuration.Entities.Deployment
+        {
+            DeploymentId = id.Value,
+            RevisionHash = rev.Value,
+            Status = DeploymentStatus.Sealed,
+            CreatedBy = "test",
+            SealedAtUtc = DateTime.UtcNow,
+            ArtifactBlob = artifact,
+        });
+        ctx.SaveChanges();
+        return id;
+    }
+
     private static DeploymentId SeedDeployment(
         IDbContextFactory<OtOpcUaConfigDbContext> db,
         RevisionHash rev,