fix(opcuaclient): register the OpcUaClient driver factory (was always stubbed)

2026-06-13 08:20:02 -04:00
parent bc9cd464b5
commit 9357c001b7
5 changed files with 98 additions and 0 deletions
@@ -0,0 +1,36 @@
+using Shouldly;
+using Microsoft.Extensions.Logging.Abstractions;
+using Xunit;
+
+namespace ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Tests;
+
+/// <summary>
+///     Tests for <see cref="OpcUaClientDriverFactoryExtensions"/> — the factory that lets the
+///     Server-side <c>DriverFactoryBootstrap</c> materialise a real <see cref="OpcUaClientDriver"/>
+///     from a <c>DriverInstance</c> row instead of falling back to a stub.
+/// </summary>
+public class OpcUaClientDriverFactoryTests
+{
+    private const string SampleConfig =
+        """{"EndpointUrl":"opc.tcp://host:4840","SecurityMode":"None","AutoAcceptCertificates":true}""";
+
+    /// <summary>Verifies the factory builds a driver carrying the right type + instance identity.</summary>
+    [Fact]
+    public void CreateInstance_builds_an_OpcUaClient_driver_with_the_right_identity()
+    {
+        var driver = OpcUaClientDriverFactoryExtensions.CreateInstance("drv-1", SampleConfig, NullLoggerFactory.Instance);
+        driver.DriverType.ShouldBe("OpcUaClient");
+        driver.DriverInstanceId.ShouldBe("drv-1");
+    }
+
+    /// <summary>Verifies the public driver-type-name constant matches the driver's DriverType.</summary>
+    [Fact]
+    public void DriverTypeName_is_OpcUaClient()
+        => OpcUaClientDriverFactoryExtensions.DriverTypeName.ShouldBe("OpcUaClient");
+
+    /// <summary>Verifies a JSON literal that deserialises to null is rejected with a clear error.</summary>
+    [Fact]
+    public void CreateInstance_throws_on_null_json_deserialisation()
+        => Should.Throw<System.InvalidOperationException>(
+            () => OpcUaClientDriverFactoryExtensions.CreateInstance("drv-1", "null", NullLoggerFactory.Instance));
+}