Files
lmxopcua/tests/Core/ZB.MOM.WW.OtOpcUa.Commons.Tests/Browsing/CapturingAddressSpaceBuilderTests.cs
Joseph Doherty 15da8d4f0d feat(browse): Wave-0 Batch C — CapturingAddressSpaceBuilder + CapturedTreeBrowseSession
Task 6: CapturedTree/CapturedNode model + CapturingAddressSpaceBuilder — an in-memory
        IAddressSpaceBuilder that records a driver's DiscoverAsync stream (folder nesting,
        leaf FullName as node id, alarm mark, node-cap truncation, no-op alarm sink).
Task 7: CapturedTreeBrowseSession — serves the captured snapshot through IBrowseSession
        (Root/Expand/Attributes from memory, truncation marker, shared-immutable-tree dispose).
13 unit tests green.
2026-07-15 17:22:00 -04:00

71 lines
2.7 KiB
C#

using Shouldly;
using ZB.MOM.WW.OtOpcUa.Commons.Browsing;
using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
using Xunit;
namespace ZB.MOM.WW.OtOpcUa.Commons.Tests.Browsing;
public class CapturingAddressSpaceBuilderTests
{
private static DriverAttributeInfo Attr(string fullName, bool isAlarm = false) =>
new(fullName, DriverDataType.Float64, false, null, SecurityClassification.Operate, false, IsAlarm: isAlarm);
[Fact]
public void CapturesNestedFoldersAndLeaves()
{
var b = new CapturingAddressSpaceBuilder(nodeCap: 100);
var plc = b.Folder("Plc1", "PLC 1");
plc.Variable("Speed", "Speed", Attr("Program:Main.Speed"));
var udt = plc.Folder("Motor", "Motor");
udt.Variable("Amps", "Amps", Attr("Program:Main.Motor.Amps"));
var tree = b.Build();
tree.Truncated.ShouldBeFalse();
tree.Root.Children.Count.ShouldBe(1);
var plcNode = tree.Root.Children[0];
plcNode.Id.ShouldBe("/Plc1");
plcNode.IsLeaf.ShouldBeFalse();
plcNode.Children.Select(c => c.Id).ShouldBe(new[] { "Program:Main.Speed", "/Plc1/Motor" });
tree.ById["Program:Main.Motor.Amps"].Attribute!.FullName.ShouldBe("Program:Main.Motor.Amps");
}
[Fact]
public void LeafNodeIdIsTheDriverFullName()
{
var b = new CapturingAddressSpaceBuilder(100);
var handle = b.Variable("T", "T", Attr("Device.Tag1"));
handle.FullReference.ShouldBe("Device.Tag1");
b.Build().ById["Device.Tag1"].IsLeaf.ShouldBeTrue();
}
[Fact]
public void NodeCapTruncatesInsteadOfGrowing()
{
var b = new CapturingAddressSpaceBuilder(nodeCap: 3);
for (var i = 0; i < 10; i++) b.Variable($"T{i}", $"T{i}", Attr($"Dev.T{i}"));
var tree = b.Build();
tree.Truncated.ShouldBeTrue();
tree.Count.ShouldBe(3);
}
[Fact]
public void MarkAsAlarmConditionRecordsAlarmAndReturnsNoopSink()
{
var b = new CapturingAddressSpaceBuilder(100);
var h = b.Variable("A", "A", Attr("Dev.Alarm1"));
var sink = h.MarkAsAlarmCondition(new AlarmConditionInfo("A", AlarmSeverity.High, null));
sink.ShouldNotBeNull();
Should.NotThrow(() => sink.OnTransition(null!)); // no-op — browse never delivers transitions
b.Build().ById["Dev.Alarm1"].IsAlarmMarked.ShouldBeTrue();
}
[Fact]
public void AddPropertyAttachesToCurrentScope()
{
var b = new CapturingAddressSpaceBuilder(100);
var f = b.Folder("Dev", "Dev");
f.AddProperty("Model", DriverDataType.String, "1756-L83E");
b.Build().ById["/Dev"].Properties.ShouldContain(p => p.Name == "Model" && (string?)p.Value == "1756-L83E");
}
}