Files
lmxopcua/tests/Server/ZB.MOM.WW.OtOpcUa.Host.Tests/OpcUa/OtOpcUaServerHostedServiceBindingFailureTests.cs
T
Joseph Doherty c8e3e279b4
v2-ci / unit-tests (pull_request) Waiting to run
Retain and replay ServiceLevel across publisher binding and failures
2026-10-13 13:26:27 -04:00

104 lines
4.3 KiB
C#

using System.Net;
using System.Net.Sockets;
using Akka.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
using Microsoft.Extensions.Options;
using Shouldly;
using Xunit;
using ZB.MOM.WW.OtOpcUa.Commons.OpcUa;
using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
using ZB.MOM.WW.OtOpcUa.Core.Authorization;
using ZB.MOM.WW.OtOpcUa.Host.OpcUa;
using ZB.MOM.WW.OtOpcUa.OpcUaServer;
using ZB.MOM.WW.OtOpcUa.OpcUaServer.Security;
namespace ZB.MOM.WW.OtOpcUa.Host.Tests.OpcUa;
public sealed class OtOpcUaServerHostedServiceBindingFailureTests
{
[Fact]
public async Task Binding_failure_closes_started_endpoint_and_allows_other_host_services_to_start()
{
using var deadline = new CancellationTokenSource(TimeSpan.FromSeconds(15));
using var probe = new TcpListener(IPAddress.Loopback, 0);
probe.Start();
var port = ((IPEndPoint)probe.LocalEndpoint).Port;
probe.Stop();
var pki = Path.Combine(Path.GetTempPath(), $"otopcua-binding-{Guid.NewGuid():N}");
var deferred = new DeferredServiceLevelPublisher();
deferred.Publish(0);
var bindingReached = false;
var listenerObserved = false;
OtOpcUaServerHostedService? service = null;
var factory = new FaultInjectingLoggerFactory(() =>
{
using var connected = new TcpClient();
connected.Connect(IPAddress.Loopback, port);
listenerObserved = connected.Connected;
bindingReached = true;
throw new InvalidOperationException("controlled binding factory failure");
});
service = new OtOpcUaServerHostedService(
Options.Create(new OpcUaApplicationHostOptions
{
ApplicationName = "OtOpcUa.BindingFailure",
ApplicationUri = $"urn:OtOpcUa.BindingFailure:{Guid.NewGuid():N}",
OpcUaPort = port, PublicHostname = "localhost", PkiStoreRoot = pki,
}), new DeferredAddressSpaceSink(), deferred,
NullOpcUaUserAuthenticator.Instance, NullHistorianDataSource.Instance,
EmptyDataPlaneAuthoritySource.Instance, new ConfigurationBuilder().Build(),
() => throw new NotSupportedException("no actor system required"), new ActorRegistry(),
null, Options.Create(new AclOptions()), TimeProvider.System, factory);
var admin = new AdminBootSentinel();
using var host = new HostBuilder().ConfigureServices(services =>
{
services.AddSingleton<IHostedService>(service);
services.AddSingleton<IHostedService>(admin);
}).Build();
try
{
await host.StartAsync(deadline.Token);
listenerObserved.ShouldBeTrue("the SDK endpoint was actually listening before replay");
bindingReached.ShouldBeTrue();
admin.Started.ShouldBeTrue();
using var client = new TcpClient();
await Should.ThrowAsync<SocketException>(async () =>
await client.ConnectAsync(IPAddress.Loopback, port, deadline.Token));
// After construction failure, subsequent requests are accepted into the unbound cache.
deferred.Publish(100);
await host.StopAsync(deadline.Token);
}
finally
{
await service.DisposeAsync();
if (Directory.Exists(pki)) Directory.Delete(pki, recursive: true);
}
}
private sealed class FaultInjectingLoggerFactory(Action installFault) : ILoggerFactory
{
public ILogger CreateLogger(string categoryName)
{
if (categoryName == typeof(SdkServiceLevelPublisher).FullName) installFault();
return NullLogger.Instance;
}
public void AddProvider(ILoggerProvider provider) { }
public void Dispose() { }
}
private sealed class AdminBootSentinel : IHostedService
{
public bool Started { get; private set; }
public Task StartAsync(CancellationToken cancellationToken)
{
Started = true;
return Task.CompletedTask;
}
public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
}
}