feat(scadabridge): add ScadaBridgeTelemetry meter + 4 instruments; register with OTel

2026-06-01 16:41:52 -04:00
parent bbc9f09268
commit fe25ac3e51
3 changed files with 130 additions and 1 deletions
@@ -0,0 +1,32 @@
+using ZB.MOM.WW.ScadaBridge.Commons.Observability;
+
+namespace ZB.MOM.WW.ScadaBridge.Host.Tests;
+
+/// <summary>
+/// Infrastructure-free guards for <see cref="ScadaBridgeTelemetry"/>: the meter name is the
+/// stable value registered with OTel, and the emit helpers are safe to call (they are no-op
+/// until follow-on tasks wire real emit points and a listener attaches).
+/// </summary>
+public class ScadaBridgeTelemetryTests
+{
+    [Fact]
+    public void MeterName_IsStableValue()
+    {
+        Assert.Equal("ZB.MOM.WW.ScadaBridge", ScadaBridgeTelemetry.MeterName);
+    }
+
+    [Fact]
+    public void EmitHelpers_DoNotThrow()
+    {
+        var ex = Record.Exception(() =>
+        {
+            ScadaBridgeTelemetry.RecordDeploymentApplied();
+            ScadaBridgeTelemetry.RecordInboundApiRequest("X");
+            ScadaBridgeTelemetry.SiteConnectionOpened();
+            ScadaBridgeTelemetry.SiteConnectionClosed();
+            ScadaBridgeTelemetry.SetQueueDepthProvider(() => 5);
+        });
+
+        Assert.Null(ex);
+    }
+}