Joseph Doherty
6dc74289ce
Code review at HEAD 7286d320. Commons-001 (stale Phase7 telemetry doc) fixed;
Commons-003/004 close test-coverage gaps (DeferredAddressSpaceSink/ServiceLevelPublisher
forwarding seam + EquipmentNodeIds whitespace branch). Commons-002 (CorrelationId
typing) deferred as cross-cutting.
54 lines
1.5 KiB
C#
54 lines
1.5 KiB
C#
using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Commons.OpcUa;
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namespace ZB.MOM.WW.OtOpcUa.Commons.Tests.OpcUa;
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/// <summary>
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/// Covers DeferredServiceLevelPublisher forwarding invariants (Commons-003 companion).
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/// </summary>
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public class DeferredServiceLevelPublisherTests
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{
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[Fact]
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public void Before_SetInner_Publish_is_a_noop()
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{
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var publisher = new DeferredServiceLevelPublisher();
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// Must not throw; the NullServiceLevelPublisher absorbs it.
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publisher.Publish(200);
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}
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[Fact]
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public void After_SetInner_Publish_is_forwarded()
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{
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var spy = new SpyPublisher();
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var publisher = new DeferredServiceLevelPublisher();
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publisher.SetInner(spy);
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publisher.Publish(240);
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spy.LastPublished.ShouldBe((byte)240);
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}
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[Fact]
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public void SetInner_null_reverts_to_null_publisher()
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{
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var spy = new SpyPublisher();
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var publisher = new DeferredServiceLevelPublisher();
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publisher.SetInner(spy);
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publisher.SetInner(null); // revert
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publisher.Publish(100);
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// The spy should NOT have received the publish after revert.
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spy.LastPublished.ShouldBe((byte)0, "spy should not have been updated after revert to null");
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}
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// ---- test double ----
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private sealed class SpyPublisher : IServiceLevelPublisher
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{
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public byte LastPublished { get; private set; }
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public void Publish(byte serviceLevel) => LastPublished = serviceLevel;
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}
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}
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