Files
lmxopcua/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.SqlServer.Tests/AlarmEventIdTests.cs
T
Joseph Doherty 8c6d6aff6a refactor(historian): extract Driver.Historian.Sql.Common from the SQL Server backend (no behaviour change) (1a)
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
2026-10-11 01:26:49 -04:00

57 lines
2.3 KiB
C#

using Shouldly;
using Xunit;
using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
using ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian;
using ZB.MOM.WW.OtOpcUa.Driver.Historian.Sql.Common;
namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.SqlServer.Tests;
public sealed class AlarmEventIdTests
{
private static readonly DateTime T = new(2026, 10, 9, 1, 2, 3, DateTimeKind.Utc);
private static AlarmHistorianEvent Ev(string path = "P", string id = "A", string kind = "Activated", string user = "u",
string? comment = "c", string msg = "m", DateTime? t = null) =>
new(id, path, "n", "LimitAlarm", AlarmSeverity.High, kind, msg, user, comment, t ?? T);
[Fact]
public void Id_is_stable_lowercase_hex_sha256()
{
var a = AlarmEventIds.ComputeEventId(Ev());
a.ShouldBe(AlarmEventIds.ComputeEventId(Ev()));
a.Length.ShouldBe(64);
a.ShouldBe(a.ToLowerInvariant());
}
[Fact]
public void Field_boundaries_are_unambiguous()
{
// The delimiter-based scheme collided on these; length prefixes must not.
AlarmEventIds.ComputeEventId(Ev(path: "a|b", id: "c"))
.ShouldNotBe(AlarmEventIds.ComputeEventId(Ev(path: "a", id: "b|c")));
AlarmEventIds.ComputeEventId(Ev(path: "ab", id: "c"))
.ShouldNotBe(AlarmEventIds.ComputeEventId(Ev(path: "a", id: "bc")));
}
[Fact]
public void Null_and_empty_differ_and_every_field_participates()
{
var basis = AlarmEventIds.ComputeEventId(Ev());
AlarmEventIds.ComputeEventId(Ev(comment: null)).ShouldNotBe(AlarmEventIds.ComputeEventId(Ev(comment: "")));
foreach (var other in new[]
{
Ev(path: "Q"), Ev(id: "B"), Ev(kind: "Cleared"), Ev(user: "v"), Ev(comment: "d"), Ev(msg: "x"),
Ev(t: T.AddTicks(1)),
})
AlarmEventIds.ComputeEventId(other).ShouldNotBe(basis);
}
[Theory]
[InlineData(typeof(InvalidOperationException))]
[InlineData(typeof(ArgumentException))]
[InlineData(typeof(FormatException))]
public void Non_SQL_exceptions_retry_rather_than_dead_letter(Type type) =>
SqlServerAlarmHistorianWriter.Classify((Exception)Activator.CreateInstance(type)!)
.ShouldBe(HistorianWriteOutcome.RetryPlease);
}