Joseph Doherty
821763a09d
- I-1: an Empty sample is always Bad. The writer stores a non-Bad NaN/Inf as Empty+BadOutOfRange and any other non-Bad Empty as BadNoData; the updater refuses a non-Bad Empty with BadInvalidArgument; reads clamp a legacy non-Bad Empty row to BadNoData (Raw and AtTime). - Tag/source names over 400 chars are refused, never truncated: writer per-tag failure, updater BadInvalidArgument, reads not-found, events none. - HistorianInfoBits masks the historian bits before setting one. - AtTime past now, stepped from the last sample => UncertainDataSubNormal. - Bootstrapper: logger, 5 s negative cache, ClearPool + Warning when sp_releaseapplock fails. - Provider builds its shared state lazily (an invalid Schema no longer throws at Resolve); Kinds is a FrozenSet; Gateway reuses the recorder's DefaultSupportedKinds. - Cleanup: SqlHistorianDataTypes in its own file (updater dup removed), dead Invalidate and unused status consts deleted, named severity masks, alarm writer brace. Claude-Session: https://claude.ai/code/session_01Ef2ozxS7QPanGT8uoATbTe
61 lines
2.5 KiB
C#
61 lines
2.5 KiB
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.Driver.Historian.SqlServer.Tests;
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public sealed class ValueWriterPrepareTests
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{
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private static readonly DateTime T = new(2026, 10, 9, 1, 2, 3, DateTimeKind.Utc);
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[Fact]
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public void Non_finite_doubles_become_Empty_and_are_forced_Bad()
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{
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const uint uncertain = 0x40000000u;
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const uint badNoCommunication = 0x80310000u;
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var rows = SqlServerHistorianValueWriter.Prepare(
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[
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new(T, HistorianValue.FromDouble(double.NaN), uncertain),
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new(T.AddTicks(1), HistorianValue.FromDouble(double.PositiveInfinity), 0),
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new(T.AddTicks(2), HistorianValue.FromDouble(double.NegativeInfinity), badNoCommunication),
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new(T.AddTicks(3), HistorianValue.FromDouble(1.5), 0),
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], () => T);
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rows.Select(r => r.Value.Kind).ShouldBe([HistorianValueKind.Empty, HistorianValueKind.Empty, HistorianValueKind.Empty, HistorianValueKind.Double]);
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rows.Select(r => r.StatusCode).ShouldBe([SqlHistorianStatusCodes.BadOutOfRange, SqlHistorianStatusCodes.BadOutOfRange,
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badNoCommunication, 0u]);
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}
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[Fact]
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public void A_non_bad_Empty_is_stored_BadNoData_and_a_bad_Empty_keeps_its_code()
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{
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var rows = SqlServerHistorianValueWriter.Prepare(
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[
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new(T, HistorianValue.Empty, 0),
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new(T.AddTicks(1), HistorianValue.Empty, 0x40A40000u),
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new(T.AddTicks(2), HistorianValue.Empty, 0x80310000u),
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], () => T);
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rows.Select(r => r.StatusCode).ShouldBe([SqlHistorianStatusCodes.BadNoData, SqlHistorianStatusCodes.BadNoData, 0x80310000u]);
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}
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[Fact]
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public void Duplicate_timestamps_keep_the_first_and_null_timestamp_uses_the_clock()
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{
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var rows = SqlServerHistorianValueWriter.Prepare(
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[
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new(T, HistorianValue.FromInt64(1), 0), new(T, HistorianValue.FromInt64(2), 0),
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new(null, HistorianValue.FromInt64(3), 0),
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], () => T.AddDays(1));
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rows.Count.ShouldBe(2);
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rows[0].Value.Integer.ShouldBe(1);
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rows[1].TimeUtc.ShouldBe(T.AddDays(1));
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}
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[Fact]
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public void Data_type_mapping_is_one_table()
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{
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SqlHistorianDataTypes.FromKind(HistorianValueKind.Double).ShouldBe((byte)DriverDataType.Float64);
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SqlHistorianDataTypes.FromKind(HistorianValueKind.Boolean).ShouldBe((byte)DriverDataType.Boolean);
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SqlHistorianDataTypes.FromKind(HistorianValueKind.Empty).ShouldBe((byte)DriverDataType.Float64);
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}
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}
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