feat(mesh-phase5): telemetry.proto contract + oneof + contract-lock test

Claude-Session: https://claude.ai/code/session_01GASWkNEi68FSCtvr6rLoEW
2026-07-23 14:58:53 -04:00
parent 094c29d13d
commit a845a6d2fd
4 changed files with 141 additions and 0 deletions
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+using Shouldly;
+using Xunit;
+using ZB.MOM.WW.OtOpcUa.Commons.Protos;
+using ZB.MOM.WW.OtOpcUa.Commons.Protos.Telemetry.V1;
+
+namespace ZB.MOM.WW.OtOpcUa.Commons.Tests;
+
+/// <summary>
+///     Contract-lock for the Phase 5 telemetry oneof. If a fifth variant is added to
+///     <c>telemetry.proto</c> without adding a matching entry to
+///     <see cref="TelemetryProtoContract.HandledCases"/>, this test goes red — the single guard that
+///     keeps the wire contract and the handled-case set from silently drifting apart.
+/// </summary>
+public class TelemetryProtoContractTests
+{
+    [Fact]
+    public void EveryOneofVariant_IsAccountedFor()
+    {
+        var variants = System.Enum.GetValues<TelemetryEvent.EventOneofCase>()
+            .Where(c => c != TelemetryEvent.EventOneofCase.None).ToArray();
+
+        variants.ShouldBe(TelemetryProtoContract.HandledCases, ignoreOrder: true);
+    }
+
+    [Fact]
+    public void The_service_base_and_client_types_generate()
+    {
+        // Referencing these types is the whole assertion — GrpcServices="Both" must emit both.
+        typeof(TelemetryStreamService.TelemetryStreamServiceBase).ShouldNotBeNull();
+        typeof(TelemetryStreamService.TelemetryStreamServiceClient).ShouldNotBeNull();
+    }
+}