Joseph Doherty
51 lines
2.3 KiB
C#
51 lines
2.3 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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using ZB.MOM.WW.OtOpcUa.Driver.Historian.Sql.Common;
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namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.QuestDb.IntegrationTests;
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/// <summary>Soft-delete behaviour. The writer-redelivery case lives in T7 (<c>TombstoneTests.Redelivery.cs</c>).</summary>
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[Collection(QuestDbCollection.Name)]
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public sealed partial class TombstoneTests(QuestDbFixture fx)
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{
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private static readonly DateTime T0 = new(2026, 3, 1, 12, 0, 0, DateTimeKind.Utc);
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[Fact]
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public async Task Delete_then_raw_read_hides_the_row_and_leaves_a_NULL_valued_tombstone()
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{
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fx.SkipIfUnavailable();
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var rig = UpdateTests.MakeRig(fx);
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await rig.Updater.UpdateDataAsync("t", HistoryUpdateMode.Insert,
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[UpdateTests.V(T0, 1), UpdateTests.V(T0.AddSeconds(1), 2)], default);
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(await rig.Updater.DeleteAtTimeAsync("t", [T0], default)).ShouldBe([HistorianStatusCodes.Good]);
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(await UpdateTests.RowsAsync(rig, "t", liveOnly: true)).Select(r => r.Num).ShouldBe([2d]);
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var all = await UpdateTests.RowsAsync(rig, "t");
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all.Count.ShouldBe(2); // the tombstone replaced the row in place (dedup upsert)
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var tomb = all[0];
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tomb.Deleted.ShouldBeTrue();
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tomb.Num.ShouldBeNull();
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tomb.Kind.ShouldBe((byte)0);
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tomb.Status.ShouldBe((long)HistorianStatusCodes.BadNoData);
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}
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[Fact]
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public async Task Insert_over_a_tombstone_reports_GoodEntryInserted_and_the_row_is_visible()
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{
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fx.SkipIfUnavailable();
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var rig = UpdateTests.MakeRig(fx);
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await rig.Updater.UpdateDataAsync("t", HistoryUpdateMode.Insert, [UpdateTests.V(T0, 1)], default);
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await rig.Updater.DeleteAtTimeAsync("t", [T0], default);
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(await rig.Updater.UpdateDataAsync("t", HistoryUpdateMode.Replace, [UpdateTests.V(T0, 5)], default))
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.ShouldBe([HistorianStatusCodes.BadNoEntryExists]); // a tombstone is no entry for Replace
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(await rig.Updater.UpdateDataAsync("t", HistoryUpdateMode.Insert, [UpdateTests.V(T0, 9)], default))
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.ShouldBe([HistorianStatusCodes.GoodEntryInserted]);
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var live = await UpdateTests.RowsAsync(rig, "t", liveOnly: true);
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live.Count.ShouldBe(1);
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live[0].Num.ShouldBe(9d);
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live[0].Deleted.ShouldBeFalse();
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}
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}
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