Joseph Doherty
54 lines
2.3 KiB
C#
54 lines
2.3 KiB
C#
using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Commons.Browsing;
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using ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Browser;
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namespace ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Browser.IntegrationTests;
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/// <summary>
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/// End-to-end test against opc-plc Docker fixture. Validates that NodeId strings returned
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/// by RootAsync/ExpandAsync round-trip cleanly through ExpandAsync — the regression test
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/// for namespace-stable address encoding.
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/// </summary>
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[Trait("Category", "Integration"), Trait("Fixture", "opc-plc")]
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public class BrowseRoundTripTests
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{
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[Fact]
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public async Task Three_level_expand_round_trips_resolve_back()
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{
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var endpoint = Environment.GetEnvironmentVariable("OPCUA_SIM_ENDPOINT")
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?? "opc.tcp://10.100.0.35:50000";
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// Numeric ordinals because the production browser uses default System.Text.Json
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// without a JsonStringEnumConverter (SecurityPolicy.None=0, SecurityMode.None=0,
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// AuthType.Anonymous=0).
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var json = $$"""
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{
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"EndpointUrl":"{{endpoint}}",
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"SecurityPolicy":0,"SecurityMode":0,"AuthType":0,
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"SessionTimeout":"00:01:00","Timeout":"00:00:10","PerEndpointConnectTimeout":"00:00:10"
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}
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""";
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var browser = new OpcUaClientDriverBrowser();
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await using var session = await browser.OpenAsync(json, TestContext.Current.CancellationToken);
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var roots = await session.RootAsync(TestContext.Current.CancellationToken);
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var current = roots.FirstOrDefault(n => n.HasChildrenHint);
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current.ShouldNotBeNull("expected at least one Folder under ObjectsFolder on opc-plc");
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// Drill down up to 2 more levels by alternately expanding the first Folder
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for (var depth = 0; depth < 2; depth++)
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{
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var next = await session.ExpandAsync(current!.NodeId, TestContext.Current.CancellationToken);
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var step = next.FirstOrDefault(n => n.HasChildrenHint);
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if (step is null) break;
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current = step;
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}
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// Round-trip the leaf-most reachable folder string — must resolve back through the
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// namespace map, prove the nsu= encoding survives.
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var children = await session.ExpandAsync(current!.NodeId, TestContext.Current.CancellationToken);
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children.ShouldNotBeNull();
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}
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}
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