feat(site-runtime): persist native-alarm display metadata so rehydrated conditions render fully (UA4)

2026-07-09 01:09:13 -04:00
parent 326d945d85
commit 2efe1a4202
3 changed files with 98 additions and 18 deletions
@@ -184,6 +184,42 @@ public class NativeAlarmActorTests : TestKit, IDisposable
        Assert.Contains(rows, r => r.ConditionJson.Contains("49"));
    }

+    // ── PLAN-03 Task 21 (UA4): rehydration restores display metadata ────────
+
+    [Fact]
+    public async Task Rehydration_RestoresDisplayMetadata()
+    {
+        var instance1 = CreateTestProbe();
+        var dcl1 = CreateTestProbe();
+        var actor1 = SpawnWithFlush(instance1.Ref, dcl1.Ref, TimeSpan.FromMilliseconds(100));
+        dcl1.ExpectMsg<SubscribeAlarmsRequest>();
+
+        // A live raise carrying full display metadata.
+        actor1.Tell(new NativeAlarmTransitionUpdate("Opc", new NativeAlarmTransition(
+            "ref-1", "T01", "HighLevelAlarm", AlarmTransitionKind.Raise,
+            new AlarmConditionState(true, false, null, AlarmShelveState.Unshelved, false, 800),
+            "Process", "desc", "Tank overflow", "", "", null, DateTimeOffset.UtcNow, "92", "90")));
+        instance1.ExpectMsg<AlarmStateChanged>(m => m.State == AlarmState.Active);
+
+        // Wait for the coalesced flush to land the metadata in SQLite.
+        await AwaitAssertAsync(async () =>
+        {
+            var rows = await _storage.GetNativeAlarmsAsync("inst", Source().CanonicalName);
+            Assert.Contains(rows, r => r.MetadataJson != null && r.MetadataJson.Contains("HighLevelAlarm"));
+        }, TimeSpan.FromSeconds(3));
+
+        // A fresh actor on the SAME storage rehydrates in PreStart and re-emits the condition
+        // with the restored metadata instead of empty strings.
+        var instance2 = CreateTestProbe();
+        var dcl2 = CreateTestProbe();
+        SpawnWithFlush(instance2.Ref, dcl2.Ref, TimeSpan.FromMilliseconds(100));
+
+        var emitted = instance2.FishForMessage<AlarmStateChanged>(m => m.SourceReference == "ref-1", TimeSpan.FromSeconds(5));
+        Assert.Equal("HighLevelAlarm", emitted.AlarmTypeName);
+        Assert.Equal("Process", emitted.Category);
+        Assert.Equal("Tank overflow", emitted.Message);
+    }
+
    // ── M1.5: site event log `alarm` category ──────────────────────────────

    [Fact]