Joseph Doherty
8c6d6aff6a
Moves the database-independent logic of the SQL Server historian backend into a new shared library for the upcoming QuestDB backend (#666): status codes and bits, value/column mapping, StoredSample + quality clamp, the AtTime and aggregate evaluators, BucketPlan, LiveWritePreparer and HistoryUpdatePlanner (both with a resolutionTicks parameter, default 1), tag-name rules, the bootstrap failure cache, health counters, alarm event ids, the event continuation and severity clamp. The SQL Server backend now calls it; its T-SQL, TVP builders, connection, bootstrapper and catalog stay. Tests: StatusCodeOracleTests, ValueWriterPrepareTests, the column half of SampleRowMapperTests and ProcessedReadTests.Every_enum_member_is_either_served_or_refused move to the new Sql.Common.Tests under the same names. SqlServer integration tests get mechanical renames only. Test-name set across the three projects is identical to the baseline (160 tests). 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.Sql.Common.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 = LiveWritePreparer.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([HistorianStatusCodes.BadOutOfRange, HistorianStatusCodes.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 = LiveWritePreparer.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([HistorianStatusCodes.BadNoData, HistorianStatusCodes.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 = LiveWritePreparer.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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HistorianDataTypes.FromKind(HistorianValueKind.Double).ShouldBe((byte)DriverDataType.Float64);
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HistorianDataTypes.FromKind(HistorianValueKind.Boolean).ShouldBe((byte)DriverDataType.Boolean);
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HistorianDataTypes.FromKind(HistorianValueKind.Empty).ShouldBe((byte)DriverDataType.Float64);
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}
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}
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