Joseph Doherty
90 lines
4.0 KiB
C#
90 lines
4.0 KiB
C#
using Akka.Actor;
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using Akka.TestKit.Xunit2;
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using Microsoft.CodeAnalysis.CSharp.Scripting;
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using Microsoft.CodeAnalysis.Scripting;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Logging.Abstractions;
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using ZB.MOM.WW.ScadaBridge.Commons.Messages.Streaming;
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using ZB.MOM.WW.ScadaBridge.Commons.Types.Flattening;
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using ZB.MOM.WW.ScadaBridge.SiteRuntime.Actors;
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using ZB.MOM.WW.ScadaBridge.SiteRuntime.Scripts;
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namespace ZB.MOM.WW.ScadaBridge.SiteRuntime.Tests.Actors;
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/// <summary>
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/// Final review M6: an alarm on-trigger run's <c>ScriptRuntimeContext</c> was built without a
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/// <c>sourceScript</c>, so the context's <c>_logTarget</c> — which names the script on every
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/// <c>Log.*</c> line and on the run's trace rows — fell back to the INSTANCE name. The launcher now
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/// passes the same <c>AlarmActor:{alarmName}</c> source key it already uses for this alarm's site
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/// events, from which the context derives the alarm's own name.
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/// </summary>
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public class AlarmScriptLogTargetTests : TestKit, IDisposable
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{
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private sealed record Entry(LogLevel Level, string Message);
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/// <summary>A minimal recording logger — the alarm path hands its own ILogger down to the script logger.</summary>
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private sealed class RecordingLogger<T> : ILogger<T>
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{
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public List<Entry> Entries { get; } = [];
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public IDisposable? BeginScope<TState>(TState state) where TState : notnull => null;
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public bool IsEnabled(LogLevel logLevel) => true;
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public void Log<TState>(LogLevel level, EventId eventId, TState state, Exception? exception, Func<TState, Exception?, string> formatter)
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{
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lock (Entries) Entries.Add(new Entry(level, formatter(state, exception)));
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}
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}
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private readonly SharedScriptLibrary _sharedLibrary = new(
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new ScriptCompilationService(NullLogger<ScriptCompilationService>.Instance),
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NullLogger<SharedScriptLibrary>.Instance);
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void IDisposable.Dispose() => Shutdown();
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[Fact]
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public void AlarmOnTriggerRun_AttributesItsLogLinesToTheALARM_NotJustTheInstance()
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{
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var options = new SiteRuntimeOptions
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{
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ScriptExecutionTimeoutSeconds = 10,
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MaxScriptCallDepth = 10,
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};
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var scriptOptions = ScriptOptions.Default
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.WithReferences(typeof(object).Assembly, typeof(Enumerable).Assembly, typeof(ScriptGlobals).Assembly)
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.WithImports("System", "System.Threading.Tasks");
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var compiled = CSharpScript.Create<object?>("Log.Info(\"alarm handler ran\"); return null;", scriptOptions, typeof(ScriptGlobals));
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compiled.Compile();
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var logger = new RecordingLogger<AlarmActor>();
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using var scheduler = new ScriptExecutionScheduler(1);
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var config = new ResolvedAlarm
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{
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CanonicalName = "HighTemp",
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TriggerType = "ValueMatch",
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TriggerConfiguration = "{\"attributeName\":\"Status\",\"matchValue\":\"Critical\"}",
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PriorityLevel = 100,
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};
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var alarm = ActorOfAsTestActorRef<AlarmActor>(
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Props.Create(() => new AlarmActor(
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"HighTemp", "Inst1", CreateTestProbe().Ref, config, compiled, _sharedLibrary, options,
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logger, null, null, null, null, null, scheduler, null)),
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"alarm-logtarget-" + Guid.NewGuid().ToString("N"));
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alarm.Tell(new AttributeValueChanged("Inst1", "Status", "Status", "Critical", "Good", DateTimeOffset.UtcNow));
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AwaitAssert(
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() =>
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{
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Entry[] snapshot;
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lock (logger.Entries) snapshot = [.. logger.Entries];
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// "[script] {Instance}/{Script} {ExecutionId}: {Message}" — the script half is the
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// alarm's name because the launcher passed "AlarmActor:HighTemp" as the source.
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Assert.Contains(snapshot, e => e.Message.StartsWith("[script] Inst1/HighTemp ", StringComparison.Ordinal)
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&& e.Message.EndsWith(": alarm handler ran", StringComparison.Ordinal));
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},
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TimeSpan.FromSeconds(15));
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}
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}
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