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
70 lines
2.6 KiB
C#
70 lines
2.6 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 SqlServerHistorianProviderTests
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{
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private static SqlServerHistorianProvider Make() => new(new SqlServerHistorianOptions
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{
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ConnectionString = "Server=localhost;User Id=sa;Password=x;TrustServerCertificate=True",
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});
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[Fact]
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public void Name_and_all_six_kinds()
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{
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var p = Make();
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p.Name.ShouldBe("SqlServer");
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p.SupportedKinds.ShouldBe(Enum.GetValues<HistorianValueKind>(), ignoreOrder: true);
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p.SupportedKinds.Count.ShouldBe(6);
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}
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[Fact]
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public void Creates_all_five_seams_without_touching_sql()
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{
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var sp = new NullSp();
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var p = Make();
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p.CreateDataSource(sp).ShouldBeOfType<SqlServerHistorianDataSource>();
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p.CreateValueWriter(sp).ShouldBeOfType<SqlServerHistorianValueWriter>();
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p.CreateAlarmWriter(sp).ShouldBeOfType<SqlServerAlarmHistorianWriter>();
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p.CreateProvisioning(sp).ShouldBeOfType<SqlServerTagProvisioner>();
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p.CreateUpdater(sp).ShouldBeOfType<SqlServerHistorianDataUpdater>();
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}
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[Fact]
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public void Supported_kinds_are_a_frozen_set() =>
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Make().SupportedKinds.ShouldBeAssignableTo<System.Collections.Frozen.FrozenSet<HistorianValueKind>>();
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/// <summary>
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/// An invalid schema must not fail provider construction (the host resolves the provider even when no
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/// consumer is enabled); it surfaces only when a seam is actually built.
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/// </summary>
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[Fact]
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public void An_invalid_schema_fails_only_when_a_seam_is_built()
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{
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var p = new SqlServerHistorianProvider(new SqlServerHistorianOptions { ConnectionString = "x", Schema = "bad;schema" });
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p.Name.ShouldBe("SqlServer");
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Should.Throw<ArgumentException>(() => p.CreateDataSource(new NullSp()));
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}
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[Fact]
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public void Every_seam_shares_one_connection_bootstrapper_and_catalog()
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{
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var sp = new NullSp();
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var p = Make();
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var a = (SqlServerHistorianDataSource)p.CreateDataSource(sp);
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var b = (SqlServerHistorianDataSource)p.CreateDataSource(sp);
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Field(a, "_bootstrap").ShouldBeSameAs(Field(b, "_bootstrap"));
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Field(a, "_catalog").ShouldBeSameAs(Field(b, "_catalog"));
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}
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private static object? Field(object o, string name) =>
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o.GetType().GetField(name, System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic)!.GetValue(o);
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private sealed class NullSp : IServiceProvider
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{
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public object? GetService(Type serviceType) => null;
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}
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}
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