Joseph Doherty
94eec70fb0
- OpcUaServer-002: HistoryRead-Events NumValuesPerNode==0 now maps to unbounded (int.MaxValue) instead of the backend default-cap sentinel; no Core.Abstractions contract change (+EventMaxEvents helper tests) - OpcUaServer-004: EnsureAddressSpaceCreated guard on public mutators -> clear InvalidOperationException instead of bare NRE if called pre-start (+tests) - OpcUaServer-003: Deferred (endUtc inclusive/exclusive needs live Wonderware boundary confirmation) - Configuration-013: wire DraftValidator.ValidateClusterTopology into AdminOperationsActor deploy gate (read-only, no migration) (+2 tests)
46 lines
1.9 KiB
C#
46 lines
1.9 KiB
C#
using Shouldly;
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using Xunit;
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namespace ZB.MOM.WW.OtOpcUa.OpcUaServer.Tests;
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/// <summary>
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/// OpcUaServer-002 — unit coverage for <see cref="OtOpcUaNodeManager.EventMaxEvents"/>, the pure
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/// helper that maps a HistoryRead-Events <c>NumValuesPerNode</c> request cap onto the
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/// <c>IHistorianDataSource.ReadEventsAsync</c> <c>maxEvents</c> argument. Per OPC UA Part 4/11,
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/// <c>NumValuesPerNode == 0</c> means "no limit — return ALL values", so the helper translates 0 to
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/// UNBOUNDED (<see cref="int.MaxValue"/>) rather than the backend's <c>maxEvents <= 0</c>
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/// "use the default cap" sentinel; a positive value passes through clamped to <see cref="int.MaxValue"/>.
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/// </summary>
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public sealed class NodeManagerEventMaxEventsTests
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{
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/// <summary>0 ("no limit" per the spec) ⇒ int.MaxValue (unbounded), NOT the 0/default-cap sentinel.</summary>
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[Fact]
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public void Zero_maps_to_int_max()
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{
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OtOpcUaNodeManager.EventMaxEvents(0u).ShouldBe(int.MaxValue);
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}
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/// <summary>A normal positive cap passes through unchanged.</summary>
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[Fact]
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public void Normal_value_passes_through()
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{
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OtOpcUaNodeManager.EventMaxEvents(50u).ShouldBe(50);
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OtOpcUaNodeManager.EventMaxEvents(1u).ShouldBe(1);
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}
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/// <summary>A value above int.MaxValue clamps to int.MaxValue (mirrors ClampToInt's saturation).</summary>
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[Fact]
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public void Value_above_int_max_clamps()
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{
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OtOpcUaNodeManager.EventMaxEvents((uint)int.MaxValue + 1u).ShouldBe(int.MaxValue);
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OtOpcUaNodeManager.EventMaxEvents(uint.MaxValue).ShouldBe(int.MaxValue);
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}
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/// <summary>int.MaxValue exactly passes through (boundary — not clamped down).</summary>
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[Fact]
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public void Int_max_exactly_passes_through()
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{
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OtOpcUaNodeManager.EventMaxEvents((uint)int.MaxValue).ShouldBe(int.MaxValue);
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}
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}
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