Joseph Doherty
f51055b509
Against opc-plc (opc.tcp://10.100.0.35:50000): a shutdown with three live subscriptions is bounded and the same instance re-initialises and reads (O-9 + lifecycle generation through the real SDK); a server-refused write (BadTypeMismatch) passes through and keeps the driver Healthy with its stamp advanced (health contract); the browse side-panel reports a live variable's type, shape and access (O-5). Against the MTConnect fixture Agent: the headers-only ping reaches it and fails on a dead port (T-7); a delivering /sample stream serves reads and reports its lag and effective count on the diagnostics bag (T-4/T-5). Refs #743 Claude-Session: https://claude.ai/code/session_01Ub9hGmYLQvn9XETzw7CMsT
100 lines
4.4 KiB
C#
100 lines
4.4 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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/// 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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/// Each test skips (<see cref="OpcPlcProbe"/>) when the fixture is unreachable. Moved here from the
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/// unit project, which must hold no live-server tests (#594).
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/// </summary>
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[Trait("Category", "Integration"), Trait("Fixture", "opc-plc")]
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public sealed class OpcUaClientBrowseSessionTests
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{
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private static string Endpoint => OpcPlcProbe.Endpoint;
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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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OpcPlcProbe.SkipUnlessReachable();
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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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OpcPlcProbe.SkipUnlessReachable();
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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>Review 2026-10-21 O-5: an Object (folder) has no value attributes, so AttributesAsync is empty for
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/// it. (It used to be empty for EVERYTHING — the side-panel was a stub; see the variable test below.)</summary>
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[Fact]
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public async Task AttributesAsync_is_empty_for_an_object_node()
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{
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OpcPlcProbe.SkipUnlessReachable();
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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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/// <summary>
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/// Review 2026-10-21 O-5 against the live server: a standard variable (Server/ServerStatus/CurrentTime — a
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/// read-only scalar UtcTime every server exposes) reports its mapped type, shape and access.
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/// </summary>
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[Fact]
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public async Task AttributesAsync_reports_a_live_variables_type_shape_and_access()
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{
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OpcPlcProbe.SkipUnlessReachable();
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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=2258", ct);
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var a = attrs.ShouldHaveSingleItem();
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a.Name.ShouldBe("CurrentTime");
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a.DriverDataType.ShouldBe("DateTime");
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a.IsArray.ShouldBeFalse();
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a.SecurityClass.ShouldBe("ViewOnly");
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}
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}
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