Joseph Doherty
76 lines
3.1 KiB
C#
76 lines
3.1 KiB
C#
using Akka.Actor;
|
|
using Akka.Cluster.Tools.PublishSubscribe;
|
|
using Shouldly;
|
|
using Xunit;
|
|
using ZB.MOM.WW.OtOpcUa.Commons.Messages.Logging;
|
|
using ZB.MOM.WW.OtOpcUa.Runtime.Scripting;
|
|
using ZB.MOM.WW.OtOpcUa.Runtime.Tests.Harness;
|
|
using ZB.MOM.WW.OtOpcUa.Runtime.VirtualTags;
|
|
|
|
namespace ZB.MOM.WW.OtOpcUa.Runtime.Tests.Scripting;
|
|
|
|
/// <summary>
|
|
/// Verifies <see cref="DpsScriptLogPublisher"/> routes a <see cref="ScriptLogEntry"/>
|
|
/// onto the Akka DistributedPubSub <c>script-logs</c> topic and never throws back into
|
|
/// the calling logging pipeline.
|
|
/// </summary>
|
|
public sealed class DpsScriptLogPublisherTests : RuntimeActorTestBase
|
|
{
|
|
/// <summary>Builds a representative entry for assertions.</summary>
|
|
private static ScriptLogEntry SampleEntry() => new(
|
|
ScriptId: "S1",
|
|
Level: "Information",
|
|
Message: "hello from script",
|
|
TimestampUtc: DateTime.UtcNow,
|
|
VirtualTagId: "V1",
|
|
AlarmId: null,
|
|
EquipmentId: "EQ1");
|
|
|
|
/// <summary>
|
|
/// A published entry is delivered verbatim to a probe subscribed to the
|
|
/// <see cref="VirtualTagActor.ScriptLogsTopic"/> topic via the DPS mediator.
|
|
/// </summary>
|
|
[Fact]
|
|
public void Publish_routes_entry_to_subscribers_of_the_script_logs_topic()
|
|
{
|
|
var probe = CreateTestProbe();
|
|
var mediator = DistributedPubSub.Get(Sys).Mediator;
|
|
// Send the Subscribe FROM the probe so the SubscribeAck returns to the probe's mailbox
|
|
// (a bare mediator.Tell would route the ack to the implicit TestActor instead).
|
|
probe.Send(mediator, new Subscribe(VirtualTagActor.ScriptLogsTopic, probe.Ref));
|
|
probe.ExpectMsg<SubscribeAck>(TimeSpan.FromSeconds(10));
|
|
|
|
var publisher = new DpsScriptLogPublisher(() => Sys);
|
|
var entry = SampleEntry();
|
|
|
|
// The SubscribeAck confirms the subscribe was registered, but DPS topic membership is
|
|
// eventually-consistent — publish in a short retry loop until the probe sees the entry
|
|
// (mirrors the Host.IntegrationTests DPS round-trip pattern), then assert the payload.
|
|
AwaitAssert(() =>
|
|
{
|
|
publisher.Publish(entry);
|
|
probe.ExpectMsg<ScriptLogEntry>(TimeSpan.FromMilliseconds(200)).ShouldBe(entry);
|
|
}, duration: TimeSpan.FromSeconds(5), interval: TimeSpan.FromMilliseconds(250));
|
|
}
|
|
|
|
/// <summary>
|
|
/// A logging sink must never throw into the logging pipeline: if the system
|
|
/// accessor throws, <see cref="DpsScriptLogPublisher.Publish"/> swallows it.
|
|
/// </summary>
|
|
[Fact]
|
|
public void Publish_does_not_throw_when_the_system_accessor_throws()
|
|
{
|
|
var publisher = new DpsScriptLogPublisher(
|
|
() => throw new InvalidOperationException("system not ready"));
|
|
|
|
Should.NotThrow(() => publisher.Publish(SampleEntry()));
|
|
}
|
|
|
|
/// <summary>The constructor rejects a null system accessor.</summary>
|
|
[Fact]
|
|
public void Null_system_accessor_throws_ArgumentNullException()
|
|
{
|
|
Should.Throw<ArgumentNullException>(() => new DpsScriptLogPublisher(null!));
|
|
}
|
|
}
|