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lmxopcua/tests/ZB.MOM.WW.OtOpcUa.Server.Tests/ZB.MOM.WW.OtOpcUa.Server.Tests.csproj
Joseph Doherty 46834a43bd Phase 3 PR 17 — complete OPC UA server startup end-to-end + integration test. PR 16 shipped the materialization shape (DriverNodeManager / OtOpcUaServer) without the activation glue; this PR finishes the scope so an external OPC UA client can actually connect, browse, and read. New OpcUaServerOptions DTO bound from the OpcUaServer section of appsettings.json (EndpointUrl default opc.tcp://0.0.0.0:4840/OtOpcUa, ApplicationName, ApplicationUri, PkiStoreRoot default %ProgramData%\OtOpcUa\pki, AutoAcceptUntrustedClientCertificates default true for dev — production flips via config). OpcUaApplicationHost wraps Opc.Ua.Configuration.ApplicationInstance: BuildConfiguration constructs the ApplicationConfiguration programmatically (no external XML) with SecurityConfiguration pointing at <PkiStoreRoot>/own, /issuers, /trusted, /rejected directories — stack auto-creates the cert folders on first run and generates a self-signed application certificate via CheckApplicationInstanceCertificate, ServerConfiguration.BaseAddresses set to the endpoint URL + SecurityPolicies just None + UserTokenPolicies just Anonymous with PolicyId='Anonymous' + SecurityPolicyUri=None so the client's UserTokenPolicy lookup succeeds at OpenSession, TransportQuotas.OperationTimeout=15s + MinRequestThreadCount=5 / MaxRequestThreadCount=100 / MaxQueuedRequestCount=200, CertificateValidator auto-accepts untrusted when configured. StartAsync creates the OtOpcUaServer (passes DriverHost + ILoggerFactory so one DriverNodeManager is created per registered driver in CreateMasterNodeManager from PR 16), calls ApplicationInstance.Start(server) to bind the endpoint, then walks each DriverNodeManager and drives a fresh GenericDriverNodeManager.BuildAddressSpaceAsync against it so the driver's discovery streams into the address space that's already serving clients. Per-driver discovery is isolated per decision #12: a discovery exception marks the driver's subtree faulted but the server stays up serving the other drivers' subtrees. DriverHost.GetDriver(instanceId) public accessor added alongside the existing GetHealth so OtOpcUaServer can enumerate drivers during CreateMasterNodeManager. DriverNodeManager.Driver property made public so OpcUaApplicationHost can identify which driver each node manager wraps during the discovery loop. OpcUaServerService constructor takes OpcUaApplicationHost — ExecuteAsync sequence now: bootstrap.LoadCurrentGenerationAsync → applicationHost.StartAsync → infinite Task.Delay until stop. StopAsync disposes the application host (which stops the server via OtOpcUaServer.Stop) before disposing DriverHost. Program.cs binds OpcUaServerOptions from appsettings + registers OpcUaApplicationHost + OpcUaServerOptions as singletons. Integration test (OpcUaServerIntegrationTests, Category=Integration): IAsyncLifetime spins up the server on a random non-default port (48400+random for test isolation) with a per-test-run PKI store root (%temp%/otopcua-test-<guid>) + a FakeDriver registered in DriverHost that has ITagDiscovery + IReadable implementations — DiscoverAsync registers TestFolder>Var1, ReadAsync returns 42. Client_can_connect_and_browse_driver_subtree creates an in-process OPC UA client session via CoreClientUtils.SelectEndpoint (which talks to the running server's GetEndpoints and fetches the live EndpointDescription with the actual PolicyId), browses the fake driver's root, asserts TestFolder appears in the returned references. Client_can_read_a_driver_variable_through_the_node_manager constructs the variable NodeId using the namespace index the server registered (urn:OtOpcUa:fake), calls Session.ReadValue, asserts the DataValue.Value is 42 — the whole pipeline (client → server endpoint → DriverNodeManager.OnReadValue → FakeDriver.ReadAsync → back through the node manager → response to client) round-trips correctly. Dispose tears down the session, server, driver host, and PKI store directory. Full solution: 0 errors, 165 tests pass (8 Core unit + 14 Proxy unit + 24 Configuration unit + 6 Shared unit + 91 Galaxy.Host unit + 4 Server (2 unit NodeBootstrap + 2 new integration) + 18 Admin). End-to-end outcome: PR 14's GalaxyAlarmTracker alarm events now flow through PR 15's GenericDriverNodeManager event forwarder → PR 16's ConditionSink → OPC UA AlarmConditionState.ReportEvent → out to every OPC UA client subscribed to the alarm condition. The full alarm subsystem (driver-side subscription of the Galaxy 4-attribute quartet, Core-side routing by source node id, Server-side AlarmConditionState materialization with ReportEvent dispatch) is now complete and observable through any compliant OPC UA client. LDAP / security-profile wire-up (replacing the anonymous-only endpoint with BasicSignAndEncrypt + user identity mapping to NodePermissions role) is the next layer — it reuses the same ApplicationConfiguration plumbing this PR introduces but needs a deployment-policy source (central config DB) for the cert trust decisions. 
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-18 08:18:37 -04:00

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