Joseph Doherty
66 lines
2.5 KiB
C#
66 lines
2.5 KiB
C#
using Microsoft.Data.SqlClient.Server;
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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 SampleRowMapperTests
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{
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public static TheoryData<HistorianValue> Values => new()
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{
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HistorianValue.FromDouble(12.5),
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HistorianValue.FromInt64(long.MinValue + 3),
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HistorianValue.FromBoolean(true),
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HistorianValue.FromBoolean(false),
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HistorianValue.FromString("héllo"),
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HistorianValue.FromString(""),
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HistorianValue.FromDateTime(new DateTime(2026, 10, 9, 1, 2, 3, DateTimeKind.Utc).AddTicks(1234567)),
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HistorianValue.Empty,
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};
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[Theory]
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[MemberData(nameof(Values))]
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public void Every_kind_round_trips_through_the_column_quad(HistorianValue v)
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{
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var c = SampleRowMapper.ToColumns(v);
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SampleRowMapper.FromColumns(c.ValueKind, c.NumValue, c.IntValue, c.StrValue).ShouldBe(v);
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}
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[Fact]
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public void Columns_follow_the_spec_mapping()
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{
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SampleRowMapper.ToColumns(HistorianValue.FromInt64(7)).ShouldBe(new SampleColumns(2, 7d, 7L, null));
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SampleRowMapper.ToColumns(HistorianValue.FromBoolean(true)).ShouldBe(new SampleColumns(3, 1d, 1L, null));
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SampleRowMapper.ToColumns(HistorianValue.FromDouble(1.5)).ShouldBe(new SampleColumns(1, 1.5, null, null));
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SampleRowMapper.ToColumns(HistorianValue.Empty).ShouldBe(new SampleColumns(0, null, null, null));
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}
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[Fact]
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public void Status_is_stored_bit_for_bit()
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{
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SampleRowMapper.ToDbStatus(0x80050000u).ShouldBeLessThan(0);
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SampleRowMapper.FromDbStatus(SampleRowMapper.ToDbStatus(0x80050000u)).ShouldBe(0x80050000u);
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}
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[Fact]
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public void Sample_records_keep_sub_millisecond_ticks()
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{
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var t = new DateTime(2026, 10, 9, 0, 0, 0, DateTimeKind.Utc).AddTicks(1234567);
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var rec = SampleRowMapper.ToSampleRecords([new SqlSampleRow(t, HistorianValue.FromDouble(2), 0x80050000u)]).Single();
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rec.GetDateTime(0).Ticks.ShouldBe(t.Ticks);
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rec.GetByte(1).ShouldBe((byte)1);
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rec.GetDouble(2).ShouldBe(2d);
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rec.IsDBNull(3).ShouldBeTrue();
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rec.IsDBNull(4).ShouldBeTrue();
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rec.GetInt32(5).ShouldBe(unchecked((int)0x80050000u));
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}
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[Fact]
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public void Time_records_keep_sub_millisecond_ticks()
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{
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var t = new DateTime(2026, 10, 9, 0, 0, 0, DateTimeKind.Utc).AddTicks(1234567);
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SampleRowMapper.ToTimeRecords([t]).Single().GetDateTime(0).Ticks.ShouldBe(t.Ticks);
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}
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}
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