Joseph Doherty
28 lines
982 B
C#
28 lines
982 B
C#
using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
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namespace ZB.MOM.WW.OtOpcUa.Core.Abstractions.Tests;
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/// <summary>Contract tests for the batched data-change payload types.</summary>
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[Trait("Category", "Unit")]
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public sealed class DataChangeBatchContractTests
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{
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private sealed record FakeHandle(string DiagnosticId) : ISubscriptionHandle;
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/// <summary>Verifies the batch payload carries the subscription handle and its per-tag items.</summary>
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[Fact]
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public void Batch_args_carry_handle_and_items()
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{
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var handle = new FakeHandle("h1");
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var snap = new DataValueSnapshot(42, 0u, DateTime.UtcNow, DateTime.UtcNow);
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var args = new DataChangeBatchEventArgs(handle, new[] { new DataChangeItem("plc/tag1", snap) });
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args.SubscriptionHandle.ShouldBe(handle);
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args.Items.Count.ShouldBe(1);
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args.Items[0].FullReference.ShouldBe("plc/tag1");
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args.Items[0].Snapshot.ShouldBe(snap);
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}
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}
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