Files
scadalink-design/tests/ScadaLink.Communication.Tests/CoordinatorSupervisionTests.cs

84 lines
3.3 KiB
C#

using Akka.Actor;
using Akka.TestKit.Xunit2;
using Microsoft.Extensions.DependencyInjection;
using NSubstitute;
using ScadaLink.Commons.Interfaces.Repositories;
using ScadaLink.Communication.Actors;
namespace ScadaLink.Communication.Tests;
/// <summary>
/// Regression tests for Communication-004 — coordinator actors must declare an
/// explicit <c>Resume</c> supervision strategy per the CLAUDE.md decision
/// ("Resume for coordinator actors"). A child fault under the default
/// (Restart) strategy would wipe a child's in-memory state; the long-lived
/// coordinators own per-site ClusterClients and must not silently discard
/// their children on a transient fault.
/// </summary>
public class CoordinatorSupervisionTests : TestKit
{
/// <summary>
/// Test-only subclass that exposes the protected <see cref="SupervisorStrategy"/>
/// so the configured directive can be asserted directly.
/// </summary>
private sealed class CentralCommunicationActorProbe : CentralCommunicationActor
{
public CentralCommunicationActorProbe(IServiceProvider sp, ISiteClientFactory factory)
: base(sp, factory) { }
public SupervisorStrategy GetSupervisorStrategy() => SupervisorStrategy();
}
/// <summary>
/// Test-only subclass that exposes the protected <see cref="SupervisorStrategy"/>.
/// </summary>
private sealed class SiteCommunicationActorProbe : SiteCommunicationActor
{
public SiteCommunicationActorProbe(string siteId, CommunicationOptions options, IActorRef dm)
: base(siteId, options, dm) { }
public SupervisorStrategy GetSupervisorStrategy() => SupervisorStrategy();
}
private static IServiceProvider EmptyServiceProvider()
{
var mockRepo = Substitute.For<ISiteRepository>();
mockRepo.GetAllSitesAsync(Arg.Any<CancellationToken>())
.Returns(new List<Commons.Entities.Sites.Site>());
var services = new ServiceCollection();
services.AddScoped(_ => mockRepo);
return services.BuildServiceProvider();
}
[Fact]
public void CentralCommunicationActor_SupervisorStrategy_IsResume()
{
var sp = EmptyServiceProvider();
var factory = Substitute.For<ISiteClientFactory>();
var actorRef = new Akka.TestKit.TestActorRef<CentralCommunicationActorProbe>(
Sys, Props.Create(() => new CentralCommunicationActorProbe(sp, factory)));
var strategy = actorRef.UnderlyingActor.GetSupervisorStrategy();
var oneForOne = Assert.IsType<OneForOneStrategy>(strategy);
var directive = oneForOne.Decider.Decide(new InvalidOperationException("transient child fault"));
Assert.Equal(Directive.Resume, directive);
}
[Fact]
public void SiteCommunicationActor_SupervisorStrategy_IsResume()
{
var dmProbe = CreateTestProbe();
var actorRef = new Akka.TestKit.TestActorRef<SiteCommunicationActorProbe>(
Sys, Props.Create(() => new SiteCommunicationActorProbe("site1", new CommunicationOptions(), dmProbe.Ref)));
var strategy = actorRef.UnderlyingActor.GetSupervisorStrategy();
var oneForOne = Assert.IsType<OneForOneStrategy>(strategy);
var directive = oneForOne.Decider.Decide(new InvalidOperationException("transient child fault"));
Assert.Equal(Directive.Resume, directive);
}
}