Joseph Doherty
49 lines
2.0 KiB
C#
49 lines
2.0 KiB
C#
using Akka.Actor;
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using Akka.TestKit.Xunit2;
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using Microsoft.Extensions.Logging.Abstractions;
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using ZB.MOM.WW.ScadaBridge.Commons.Messages.Instance;
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using ZB.MOM.WW.ScadaBridge.SiteRuntime.Scripts;
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namespace ZB.MOM.WW.ScadaBridge.SiteRuntime.Tests.Scripts;
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public class AttributeSchedulerRegressionTests : TestKit
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{
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[Theory]
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[InlineData(false)]
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[InlineData(true)]
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public async Task SR1_SaturatedWorkersCompleteSynchronousAccessWithoutWatchdog(bool write)
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{
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const int workers = 2;
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using var scheduler = new ScriptExecutionScheduler(workers);
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var probe = CreateTestProbe();
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var context = new ScriptRuntimeContext(probe.Ref, null!, 0, 10, TimeSpan.FromSeconds(3),
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"Pump", NullLogger<ScriptRuntimeContext>.Instance);
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var accessor = new AttributeAccessor(context, "");
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var tasks = Enumerable.Range(0, workers).Select(_ => Task.Factory.StartNew(() =>
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{
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if (write) accessor["x"] = 42;
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else Assert.Equal(42, accessor["x"]);
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}, CancellationToken.None, TaskCreationOptions.None, scheduler)).ToArray();
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// Hold both replies until every worker is blocked inside the synchronous accessor.
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var replies = new List<(IActorRef Sender, object Response)>();
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for (var i = 0; i < workers; i++)
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{
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if (write)
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{
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var request = probe.ExpectMsg<SetStaticAttributeCommand>();
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replies.Add((probe.LastSender, new SetStaticAttributeResponse(request.CorrelationId,
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"Pump", "x", true, null, DateTimeOffset.UtcNow)));
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}
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else
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{
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var request = probe.ExpectMsg<GetAttributeRequest>();
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replies.Add((probe.LastSender, new GetAttributeResponse(request.CorrelationId,
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"Pump", "x", 42, true, "Good", DateTimeOffset.UtcNow)));
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}
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}
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foreach (var reply in replies) reply.Sender.Tell(reply.Response);
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await Task.WhenAll(tasks).WaitAsync(TimeSpan.FromSeconds(2));
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}
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}
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