Joseph Doherty
7e61552d82
Flow Debugger (design 2026-09-05 §5.3/§5.4): AttributeValueUpdate fields 7/8 stamped by StreamRelayActor and parsed by SiteStreamGrpcClient (older frames => null/false). New PullTraceEvents unary RPC on SiteStreamService (same PSK-gated prefix as PullAuditEvents): a point read of the site audit SQLite by ExecutionId OR ParentExecutionId (ISiteAuditQueue.ReadByExecutionIdsAsync, json_extract on the codec's camelCase keys, new IX_audit_event_occurred index, 64-id / 2000-row caps) that moves no cursor and flips no ForwardState. Central IPullTraceEventsClient/GrpcPullTraceEventsClient mirror the audit pull client (endpoint resolution, NodeB failover, fault => empty) and register beside it. Claude-Session: https://claude.ai/code/session_01GSLkkHKz9JrAtmJjmQK3cP
77 lines
3.0 KiB
C#
77 lines
3.0 KiB
C#
using System.Threading.Channels;
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using Akka.Actor;
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using Akka.TestKit.Xunit2;
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using Google.Protobuf.WellKnownTypes;
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using ZB.MOM.WW.ScadaBridge.Commons.Messages.Streaming;
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using ZB.MOM.WW.ScadaBridge.Communication.Actors;
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using ZB.MOM.WW.ScadaBridge.Communication.Grpc;
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namespace ZB.MOM.WW.ScadaBridge.Communication.Tests;
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/// <summary>
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/// Flow Debugger (design 2026-09-05 §5.3/§5.4): <c>AttributeValueUpdate</c> fields 7/8 —
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/// <see cref="StreamRelayActor"/> stamps <c>source_execution_id</c>/<c>trace</c> on the way
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/// out and <see cref="SiteStreamGrpcClient"/> parses them back; an unstamped change (and an
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/// older site's frame) round-trips to null/false.
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/// </summary>
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public class StreamRelayTraceStampTests : TestKit
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{
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private static SiteStreamEvent Relay(AttributeValueChanged change, ActorSystem sys)
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{
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var channel = Channel.CreateUnbounded<SiteStreamEvent>();
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var actor = sys.ActorOf(Props.Create(() => new StreamRelayActor("corr", channel.Writer)));
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actor.Tell(change);
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SiteStreamEvent? evt = null;
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for (var i = 0; i < 40 && !channel.Reader.TryRead(out evt); i++) Thread.Sleep(50);
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Assert.NotNull(evt);
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return evt!;
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}
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[Fact]
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public void TracedChange_IsStampedOnTheWire_AndParsedBack()
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{
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var source = Guid.NewGuid();
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var now = new DateTimeOffset(2026, 9, 5, 12, 0, 0, TimeSpan.Zero);
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var change = new AttributeValueChanged("P1", "Status", "Status", "Running", "Good", now, SourceExecutionId: source, Trace: true);
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var evt = Relay(change, Sys);
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Assert.Equal(source.ToString("D"), evt.AttributeChanged.SourceExecutionId);
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Assert.True(evt.AttributeChanged.Trace);
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var back = Assert.IsType<AttributeValueChanged>(SiteStreamGrpcClient.ConvertToDomainEvent(evt));
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Assert.Equal(source, back.SourceExecutionId);
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Assert.True(back.Trace);
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}
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[Fact]
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public void UnstampedChange_RoundTripsToNullAndFalse()
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{
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var change = new AttributeValueChanged("P1", "Status", "Status", "Idle", "Good", DateTimeOffset.UtcNow);
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var evt = Relay(change, Sys);
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Assert.Equal(string.Empty, evt.AttributeChanged.SourceExecutionId);
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Assert.False(evt.AttributeChanged.Trace);
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var back = Assert.IsType<AttributeValueChanged>(SiteStreamGrpcClient.ConvertToDomainEvent(evt));
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Assert.Null(back.SourceExecutionId);
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Assert.False(back.Trace);
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}
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[Fact]
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public void OlderSiteFrame_WithoutTheFields_ParsesToNullAndFalse()
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{
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var evt = new SiteStreamEvent
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{
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CorrelationId = "c",
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AttributeChanged = new AttributeValueUpdate
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{
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InstanceUniqueName = "P1", AttributePath = "A", AttributeName = "A", Value = "1",
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Quality = Quality.Good, Timestamp = Timestamp.FromDateTimeOffset(DateTimeOffset.UtcNow),
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},
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};
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var back = Assert.IsType<AttributeValueChanged>(SiteStreamGrpcClient.ConvertToDomainEvent(evt));
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Assert.Null(back.SourceExecutionId);
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Assert.False(back.Trace);
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}
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}
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