Joseph Doherty
36 lines
1.6 KiB
C#
36 lines
1.6 KiB
C#
using Opc.Ua;
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using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Client.Shared.Helpers;
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namespace ZB.MOM.WW.OtOpcUa.Client.Shared.Tests.Helpers;
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public class HistoryReadStatusTests
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{
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public static IEnumerable<object[]> Refusals() => new[] { StatusCodes.BadHistoryOperationUnsupported,
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StatusCodes.BadUserAccessDenied, StatusCodes.BadNodeIdUnknown, StatusCodes.BadTimeout }.Select(s => new object[] { s });
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public static IEnumerable<object[]> NonRefusals() => new[] { StatusCodes.Good, StatusCodes.GoodNoData,
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StatusCodes.GoodMoreData, StatusCodes.UncertainNoCommunicationLastUsableValue, StatusCodes.BadNoData }.Select(s => new object[] { s });
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/// <summary>A refused read must surface, carrying the status code, rather than read as an empty result.</summary>
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/// <param name="code">The Bad per-node status code.</param>
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[Theory]
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[MemberData(nameof(Refusals))]
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public void Bad_status_throws_ServiceResultException_with_the_code(StatusCode code)
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{
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var ex = Should.Throw<ServiceResultException>(
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() => HistoryReadStatus.ThrowIfRefused(code, new NodeId("n", 2)));
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ex.StatusCode.ShouldBe(code.Code);
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ex.Message.ShouldContain("ns=2;s=n");
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}
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/// <summary>Good, GoodNoData, Uncertain and BadNoData are all non-refusals (the window may simply be empty).</summary>
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/// <param name="code">The non-refusal status code.</param>
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[Theory]
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[MemberData(nameof(NonRefusals))]
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public void Non_refusal_status_does_not_throw(StatusCode code)
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{
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Should.NotThrow(() => HistoryReadStatus.ThrowIfRefused(code, new NodeId("n", 2)));
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}
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}
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