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Issue #6948 unit test #6967

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91 changes: 91 additions & 0 deletions src/core/Akka.Tests/Actor/BugFix6948Spec.cs
Original file line number Diff line number Diff line change
@@ -0,0 +1,91 @@
//-----------------------------------------------------------------------
// <copyright file="BugFix6948Spec.cs" company="Akka.NET Project">
// Copyright (C) 2009-2023 Lightbend Inc. <http://www.lightbend.com>
// Copyright (C) 2013-2023 .NET Foundation <https://github.com/akkadotnet/akka.net>
// </copyright>
//-----------------------------------------------------------------------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Akka.Actor;
using Akka.Event;
using Akka.TestKit;
using FluentAssertions;
using FluentAssertions.Extensions;
using Xunit;
using Xunit.Abstractions;

namespace Akka.Tests.Actor;

public class BugFix6948Spec : AkkaSpec
{
public BugFix6948Spec(ITestOutputHelper output): base("akka.loglevel=DEBUG", output)
{
}

[Fact(DisplayName = "#6948 ActorSystem should terminate cleanly on fatal exceptions")]
public async Task ActorSystem_ShouldTerminateCleanlyOnOOM()
{
var actor = Sys.ActorOf(Props.Create(() => new OutOfMemoryActor()));
actor.Tell("die");
ExpectMsg("dead");

var shutdown = CoordinatedShutdown.Get(Sys);
shutdown.AddTask(CoordinatedShutdown.PhaseBeforeActorSystemTerminate, "z", () =>
{
var pressure = new List<long>();
try
{
foreach (var i in Enumerable.Range(0, 50_000_000))
{
pressure.Add(i);
}
}
catch (OutOfMemoryException ex)
{
Log.Error(ex, "I died (CoordinatedShutdown)");
throw;
}

return Task.FromResult(Done.Instance);
});

var terminated = false;
Sys.RegisterOnTermination(() =>
{
terminated = true;
});

await shutdown.Run(CoordinatedShutdown.UnknownReason.Instance);
await Sys.Terminate().WaitAsync(5.Seconds());
terminated.Should().BeTrue();
}

private class OutOfMemoryActor : ReceiveActor
{
private readonly List<long> _memoryPressure = new ();

public OutOfMemoryActor()
{
var log = Context.GetLogger();

Receive<string>(_ =>
{
try
{
foreach (var i in Enumerable.Range(0, 50_000_000))
{
_memoryPressure.Add(i);
}
}
catch (OutOfMemoryException e)
{
log.Error(e, "I died (Actor)");
Sender.Tell("dead");
}
});
}
}
}
1 change: 1 addition & 0 deletions src/core/Akka.Tests/Akka.Tests.csproj
Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
<AssemblyTitle>Akka.Tests</AssemblyTitle>
<TargetFrameworks Condition=" '$(OS)' == 'Windows_NT' ">$(NetFrameworkTestVersion);$(NetTestVersion)</TargetFrameworks>
<TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">$(NetTestVersion)</TargetFrameworks>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
</PropertyGroup>

<ItemGroup>
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