feat(modbus-rtu): add Transport selector to the AdminUI Modbus driver form

Claude-Session: https://claude.ai/code/session_01GASWkNEi68FSCtvr6rLoEW
2026-07-24 14:19:15 -04:00
parent 13bd9820b0
commit 132e7b63f6
2 changed files with 26 additions and 0 deletions
@@ -61,4 +61,15 @@ public sealed class ModbusDriverFormModelTests
        json.ShouldContain("\"family\":\"MELSEC\"");           // enum-as-name (not a number), camelCase key
        json.ShouldNotContain("\"family\":0", Case.Sensitive); // never the numeric enum form
    }
+
+    [Fact]
+    public void Round_trip_preserves_Transport_mode()
+    {
+        var form = new ModbusDriverForm.FormModel { Transport = ModbusTransportMode.RtuOverTcp };
+        var json = JsonSerializer.Serialize(form.ToOptions(), JsonOpts);
+        var back = ModbusDriverForm.FormModel.FromOptions(
+            JsonSerializer.Deserialize<ModbusDriverOptions>(json, JsonOpts)!);
+        back.Transport.ShouldBe(ModbusTransportMode.RtuOverTcp);
+        json.ShouldContain("\"transport\":\"RtuOverTcp\""); // name string, never a number
+    }
 }