Joseph Doherty
54 lines
2.4 KiB
C#
54 lines
2.4 KiB
C#
using Shouldly;
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using Xunit;
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namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.Sql.Common.Tests;
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/// <summary>The pinned SDK is the oracle for the info-bit constants (StatusCodeParityTests covers the named codes).</summary>
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public sealed class StatusCodeOracleTests
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{
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[Fact]
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public void Calculated_bits_match_the_SDK()
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{
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var sdk = Opc.Ua.StatusCodes.Good.WithAggregateBits(Opc.Ua.AggregateBits.Calculated);
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sdk.Code.ShouldBe(HistorianInfoBits.WithCalculated(HistorianStatusCodes.Good));
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((uint)Opc.Ua.AggregateBits.Calculated).ShouldBe(HistorianInfoBits.HistorianCalculated);
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}
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[Fact]
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public void Interpolated_bits_match_the_SDK()
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{
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var sdk = Opc.Ua.StatusCodes.Good.WithAggregateBits(Opc.Ua.AggregateBits.Interpolated);
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sdk.Code.ShouldBe(HistorianInfoBits.WithInterpolated(HistorianStatusCodes.Good));
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((uint)Opc.Ua.AggregateBits.Interpolated).ShouldBe(HistorianInfoBits.HistorianInterpolated);
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}
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/// <summary>
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/// A stored status that already carries a historian bit (a sample written via HistoryUpdate with the Calculated
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/// bit, say) must come back with ONE historian bit, never both: the existing pair is masked off first. The SDK
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/// agrees — <c>WithAggregateBits</c> replaces, it does not OR.
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/// </summary>
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[Fact]
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public void Setting_one_historian_bit_clears_the_other()
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{
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var calculatedUncertain = HistorianStatusCodes.UncertainDataSubNormal | 0x400u | HistorianInfoBits.HistorianCalculated;
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var interpolated = HistorianInfoBits.WithInterpolated(calculatedUncertain);
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interpolated.ShouldBe(HistorianStatusCodes.UncertainDataSubNormal | 0x400u | HistorianInfoBits.HistorianInterpolated);
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new Opc.Ua.StatusCode(interpolated).AggregateBits.ShouldBe(Opc.Ua.AggregateBits.Interpolated);
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var interpolatedGood = 0x400u | HistorianInfoBits.HistorianInterpolated;
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HistorianInfoBits.WithCalculated(interpolatedGood).ShouldBe(0x400u | HistorianInfoBits.HistorianCalculated);
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}
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[Fact]
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public void Partial_bit_matches_the_SDK() =>
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((uint)Opc.Ua.AggregateBits.Partial).ShouldBe(HistorianInfoBits.HistorianPartial);
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[Fact]
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public void Generic_bad_matches_the_SDK() =>
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HistorianStatusCodes.Bad.ShouldBe(Opc.Ua.StatusCodes.Bad.Code);
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[Fact]
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public void Info_type_is_data_value() =>
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HistorianInfoBits.InfoTypeDataValue.ShouldBe(0x400u);
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}
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