Joseph Doherty
298bd4bfe5
Cross-module fix from the review sweep. -003 (Medium): the browser's JsonOpts lacked JsonStringEnumConverter (the factory+probe both carry it), so AdminUI string-enum configs (AuthType/SecurityPolicy/SecurityMode/TargetNamespaceKind) threw on deserialize. Added the converter (accepts string AND numeric) + TDD.
77 lines
3.2 KiB
C#
77 lines
3.2 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.Tests;
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/// <summary>
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/// Live-server tests against the opc-plc Docker fixture. Bring up with
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/// `lmxopcua-fix up opcuaclient` from PowerShell before running. These tests
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/// drive the internal <c>OpcUaClientBrowseSession</c> through its public factory
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/// <see cref="OpcUaClientDriverBrowser"/> so no InternalsVisibleTo is needed.
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/// Filter out with <c>--filter "Category!=RequiresOpcPlc"</c> when the fixture
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/// is unreachable.
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/// </summary>
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[Trait("Category", "RequiresOpcPlc")]
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public sealed class OpcUaClientBrowseSessionTests
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{
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private static string Endpoint =>
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Environment.GetEnvironmentVariable("OPCUA_SIM_ENDPOINT") ?? "opc.tcp://10.100.0.35:50000";
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// SecurityPolicy.None, SecurityMode.None, OpcUaAuthType.Anonymous are all
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// index 0 and can also be written as string names now that the browser carries
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// JsonStringEnumConverter (Driver.OpcUaClient.Browser-003). Numeric ordinals are
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// kept here as they were before the fix — both forms are accepted.
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private static string ConfigJson => $$"""
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{
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"EndpointUrl":"{{Endpoint}}",
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"SecurityPolicy":0,
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"SecurityMode":0,
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"AuthType":0,
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"SessionTimeout":"00:01:00",
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"Timeout":"00:00:10",
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"PerEndpointConnectTimeout":"00:00:10"
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}
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""";
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/// <summary>RootAsync should surface at least one node under ObjectsFolder
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/// (opc-plc exposes a non-empty top level).</summary>
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[Fact]
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public async Task RootAsync_returns_at_least_one_node()
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{
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var ct = TestContext.Current.CancellationToken;
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var browser = new OpcUaClientDriverBrowser();
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await using var session = await browser.OpenAsync(ConfigJson, ct);
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var roots = await session.RootAsync(ct);
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roots.Count.ShouldBeGreaterThan(0);
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}
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/// <summary>ExpandAsync should accept a stable NodeId returned by RootAsync
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/// and round-trip through the live namespace table.</summary>
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[Fact]
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public async Task ExpandAsync_round_trips_stable_NodeId()
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{
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var ct = TestContext.Current.CancellationToken;
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var browser = new OpcUaClientDriverBrowser();
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await using var session = await browser.OpenAsync(ConfigJson, ct);
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var roots = await session.RootAsync(ct);
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var folder = roots.FirstOrDefault(n => n.Kind == BrowseNodeKind.Folder);
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folder.ShouldNotBeNull("expected at least one Folder under ObjectsFolder");
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var children = await session.ExpandAsync(folder!.NodeId, ct);
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children.ShouldNotBeNull();
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}
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/// <summary>The OPC UA picker treats variables as terminal leaves, so
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/// AttributesAsync must always be empty for this driver.</summary>
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[Fact]
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public async Task AttributesAsync_is_empty_for_opcuaclient()
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{
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var ct = TestContext.Current.CancellationToken;
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var browser = new OpcUaClientDriverBrowser();
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await using var session = await browser.OpenAsync(ConfigJson, ct);
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var attrs = await session.AttributesAsync("nsu=http://opcfoundation.org/UA/;i=85", ct);
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attrs.ShouldBeEmpty();
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}
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}
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