92 lines
3.5 KiB
C#
92 lines
3.5 KiB
C#
using Akka.Actor;
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using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Commons.Types;
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using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
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using ZB.MOM.WW.OtOpcUa.Runtime.Drivers;
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using ZB.MOM.WW.OtOpcUa.Runtime.Tests.Harness;
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namespace ZB.MOM.WW.OtOpcUa.Runtime.Tests.Drivers;
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public sealed class DriverInstanceActorTests : RuntimeActorTestBase
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{
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[Fact]
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public async Task ApplyDelta_when_Connected_calls_ReinitializeAsync_and_replies_success()
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{
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var driver = new StubDriver();
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var actor = Sys.ActorOf(DriverInstanceActor.Props(driver));
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// Drive: Initialize → Connected.
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actor.Tell(new DriverInstanceActor.InitializeRequested("{}"));
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AwaitCondition(() => driver.InitializeCount > 0, TimeSpan.FromSeconds(2));
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// Issue ApplyDelta and capture the reply via Ask.
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var correlation = CorrelationId.NewId();
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var reply = await actor.Ask<DriverInstanceActor.ApplyResult>(
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new DriverInstanceActor.ApplyDelta("{\"changed\":true}", correlation),
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TimeSpan.FromSeconds(3));
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reply.Success.ShouldBeTrue();
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reply.Correlation.ShouldBe(correlation);
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driver.ReinitializeCount.ShouldBe(1);
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}
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[Fact]
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public void Initialize_failure_keeps_actor_in_Reconnecting_state()
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{
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var driver = new StubDriver { InitializeShouldThrow = true };
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var actor = Sys.ActorOf(DriverInstanceActor.Props(driver, reconnectInterval: TimeSpan.FromMilliseconds(50)));
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actor.Tell(new DriverInstanceActor.InitializeRequested("{}"));
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// The actor should keep trying — we expect multiple Initialize calls because the
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// reconnect timer fires every 50ms.
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AwaitCondition(() => driver.InitializeCount >= 3, TimeSpan.FromSeconds(2));
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}
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[Fact]
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public async Task Write_against_non_IWritable_driver_returns_failure()
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{
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var driver = new StubDriver(); // IDriver only, no IWritable.
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var actor = Sys.ActorOf(DriverInstanceActor.Props(driver));
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actor.Tell(new DriverInstanceActor.InitializeRequested("{}"));
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AwaitCondition(() => driver.InitializeCount > 0, TimeSpan.FromSeconds(2));
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var reply = await actor.Ask<DriverInstanceActor.WriteAttributeResult>(
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new DriverInstanceActor.WriteAttribute("tag-1", 42),
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TimeSpan.FromSeconds(3));
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reply.Success.ShouldBeFalse();
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reply.Reason!.ShouldContain("IWritable");
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}
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private sealed class StubDriver : IDriver
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{
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public bool InitializeShouldThrow { get; set; }
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public int InitializeCount;
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public int ReinitializeCount;
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public string DriverInstanceId => "stub-driver-1";
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public string DriverType => "Stub";
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public Task InitializeAsync(string driverConfigJson, CancellationToken cancellationToken)
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{
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Interlocked.Increment(ref InitializeCount);
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if (InitializeShouldThrow) throw new InvalidOperationException("stub-init-fail");
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return Task.CompletedTask;
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}
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public Task ReinitializeAsync(string driverConfigJson, CancellationToken cancellationToken)
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{
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Interlocked.Increment(ref ReinitializeCount);
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return Task.CompletedTask;
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}
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public Task ShutdownAsync(CancellationToken cancellationToken) => Task.CompletedTask;
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public DriverHealth GetHealth() => new(DriverState.Healthy, DateTime.UtcNow, null);
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public long GetMemoryFootprint() => 0;
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public Task FlushOptionalCachesAsync(CancellationToken cancellationToken) => Task.CompletedTask;
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}
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}
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