Joseph Doherty
41 lines
1.8 KiB
C#
41 lines
1.8 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.SqlServer.IntegrationTests;
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/// <summary>
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/// Names longer than the 400-character <c>Tag.Name</c> / <c>Event.SourceName</c> columns are refused, never
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/// truncated. Each test seeds a series under the 400-character PREFIX of the long name: a sized
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/// <c>NVarChar(400)</c> parameter would silently cut the long name to that prefix and hit the wrong series.
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/// </summary>
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[Collection(SqlHistorianCollection.Name)]
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public sealed class LongNameTests(SqlHistorianFixture fx)
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{
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private static readonly CancellationToken Ct = CancellationToken.None;
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private static DateTime At(double s) => ReadTestDb.At(s);
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private static readonly string Prefix = new('p', 400);
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private static readonly string Long = Prefix + "-x";
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[Fact]
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public async Task An_event_read_filtered_by_a_long_source_matches_nothing()
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{
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var db = await ReadTestDb.CreateAsync(fx);
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await using (var c = await db.Conn.OpenAsync(Ct))
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await using (var cmd = db.Conn.CreateCommand(c,
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$"INSERT {db.Conn.Q("Event")} (EventId, SourceName, AlarmId, AlarmName, AlarmTypeName, Severity, EventKind, Message, " +
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"UserName, Comment, EventTimeUtc, ReceivedTimeUtc) VALUES ('e1', @src, 'a', 'n', 'T', 500, 'Activated', NULL, NULL, NULL, @t, @t)"))
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{
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cmd.Parameters.AddWithValue("@src", Prefix);
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SqlHistorianConnection.AddDateTime2(cmd, "@t", At(0));
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await cmd.ExecuteNonQueryAsync(Ct);
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}
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var src = db.Source();
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(await src.ReadEventsAsync(Prefix, At(-1), At(10), 0, Ct)).Events.Count.ShouldBe(1); // control
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(await src.ReadEventsAsync(Long, At(-1), At(10), 0, Ct)).Events.ShouldBeEmpty();
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}
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}
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