Files
lmxopcua/tests/ZB.MOM.WW.LmxOpcUa.Tests/Wiring/OpcUaServiceDashboardFailureTests.cs

79 lines
2.7 KiB
C#

using System;
using System.Collections.Generic;
using System.Net;
using Shouldly;
using Xunit;
using ZB.MOM.WW.LmxOpcUa.Host;
using ZB.MOM.WW.LmxOpcUa.Host.Configuration;
using ZB.MOM.WW.LmxOpcUa.Host.Domain;
using ZB.MOM.WW.LmxOpcUa.Tests.Helpers;
namespace ZB.MOM.WW.LmxOpcUa.Tests.Wiring
{
/// <summary>
/// Regression for stability review 2026-04-13 Finding 2. Confirms that when the dashboard
/// port is already bound, the service continues to start (degraded mode) and the
/// <see cref="OpcUaService.DashboardStartFailed"/> flag is raised.
/// </summary>
public class OpcUaServiceDashboardFailureTests
{
[Fact]
public void Start_DashboardPortInUse_ContinuesInDegradedMode()
{
var dashboardPort = new Random().Next(19500, 19999);
using var blocker = new HttpListener();
blocker.Prefixes.Add($"http://localhost:{dashboardPort}/");
blocker.Start();
var config = new AppConfiguration
{
OpcUa = new OpcUaConfiguration
{
Port = 14842,
GalaxyName = "TestGalaxy",
EndpointPath = "/LmxOpcUa"
},
MxAccess = new MxAccessConfiguration { ClientName = "Test" },
GalaxyRepository = new GalaxyRepositoryConfiguration(),
Dashboard = new DashboardConfiguration { Enabled = true, Port = dashboardPort }
};
var proxy = new FakeMxProxy();
var repo = new FakeGalaxyRepository
{
Hierarchy = new List<GalaxyObjectInfo>
{
new()
{
GobjectId = 1, TagName = "TestObj", BrowseName = "TestObj",
ParentGobjectId = 0, IsArea = false
}
},
Attributes = new List<GalaxyAttributeInfo>
{
new()
{
GobjectId = 1, TagName = "TestObj", AttributeName = "TestAttr",
FullTagReference = "TestObj.TestAttr", MxDataType = 5, IsArray = false
}
}
};
var service = new OpcUaService(config, proxy, repo);
service.Start();
try
{
// Service continues despite dashboard bind failure — degraded mode policy.
service.ServerHost.ShouldNotBeNull();
service.DashboardStartFailed.ShouldBeTrue();
service.StatusWeb.ShouldBeNull();
}
finally
{
service.Stop();
}
}
}
}