UA-.NETStandard/tests/Opc.Ua.Client.ComplexTypes.Tests/NodeCacheResolverTests.cs

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using System.Threading.Tasks;
using BenchmarkDotNet.Attributes;
using Microsoft.Extensions.Logging;
using NUnit.Framework;
using Opc.Ua.Client.TestFramework;

namespace Opc.Ua.Client.ComplexTypes.Tests
{
    /// <summary>
    /// Node cache resolver tests.
    /// </summary>
    [TestFixture]
    [Category("Client")]
    [SetCulture("en-us")]
    [SetUICulture("en-us")]
    [TestFixtureSource(nameof(FixtureArgs))]
    [MemoryDiagnoser]
    [DisassemblyDiagnoser]
    public class NodeCacheResolverTests : ClientTestFramework
    {
        public NodeCacheResolverTests()
            : base(Utils.UriSchemeOpcTcp)
        {
        }

        public NodeCacheResolverTests(string uriScheme = Utils.UriSchemeOpcTcp)
            : base(uriScheme)
        {
        }

        public static readonly NodeId[] TypeSystems =
        [
            ObjectIds.OPCBinarySchema_TypeSystem,
            ObjectIds.XmlSchema_TypeSystem
        ];

        /// <summary>
        /// Set up a Server and a Client instance.
        /// </summary>
        [OneTimeSetUp]
        public override Task OneTimeSetUpAsync()
        {
            SupportsExternalServerUrl = true;
            return base.OneTimeSetUpAsync();
        }

        /// <summary>
        /// Tear down the Server and the Client.
        /// </summary>
        [OneTimeTearDown]
        public override Task OneTimeTearDownAsync()
        {
            return base.OneTimeTearDownAsync();
        }

        /// <summary>
        /// Test setup.
        /// </summary>
        [SetUp]
        public override Task SetUpAsync()
        {
            return base.SetUpAsync();
        }

        /// <summary>
        /// Test teardown.
        /// </summary>
        [TearDown]
        public override Task TearDownAsync()
        {
            return base.TearDownAsync();
        }

        [Test]
        [Order(100)]
        public async Task LoadStandardDataTypeSystemAsync()
        {
            var nodeResolver = new NodeCacheResolver(Session, Telemetry);
            ServiceResultException sre = Assert
                .ThrowsAsync<ServiceResultException>(async () =>
                    {
                        System.Collections.Generic.IReadOnlyDictionary<NodeId, DataDictionary> t
                    = await nodeResolver
                            .LoadDataTypeSystem(ObjectIds.ObjectAttributes_Encoding_DefaultBinary)
                            .ConfigureAwait(false);
                    });
            Assert.That(sre.StatusCode, Is.EqualTo(StatusCodes.BadNodeIdInvalid));
            System.Collections.Generic.IReadOnlyDictionary<NodeId, DataDictionary> typeSystem
                = await nodeResolver
                .LoadDataTypeSystem()
                .ConfigureAwait(false);
            Assert.That(typeSystem, Is.Not.Null);
            typeSystem = await nodeResolver
                .LoadDataTypeSystem(ObjectIds.OPCBinarySchema_TypeSystem)
                .ConfigureAwait(false);
            Assert.That(typeSystem, Is.Not.Null);
            typeSystem = await nodeResolver.LoadDataTypeSystem(ObjectIds.XmlSchema_TypeSystem)
                .ConfigureAwait(false);
            Assert.That(typeSystem, Is.Not.Null);
        }

        [Test]
        [Order(110)]
        [TestCaseSource(nameof(TypeSystems))]
        public async Task LoadAllServerDataTypeSystemsAsync(NodeId dataTypeSystem)
        {
            // find the dictionary for the description.
            var browser = new Browser(Session)
            {
                BrowseDirection = BrowseDirection.Forward,
                ReferenceTypeId = ReferenceTypeIds.HasComponent,
                IncludeSubtypes = false,
                NodeClassMask = 0
            };

            ArrayOf<ReferenceDescription> references =
                await browser.BrowseAsync(dataTypeSystem).ConfigureAwait(false);
            Assert.That(references.IsNull, Is.False);

            ILogger logger = Telemetry.CreateLogger<NodeCacheResolverTests>();
            if (logger.IsEnabled(LogLevel.Information))
            {
                logger.LogInformation("  Found {Count} references", references.Count);
            }

            // read all type dictionaries in the type system
            var nodeResolver = new NodeCacheResolver(Session, Telemetry);
            foreach (ReferenceDescription r in references.ToList())
            {
                var dictionaryId = ExpandedNodeId.ToNodeId(r.NodeId, Session.NamespaceUris);
                if (logger.IsEnabled(LogLevel.Information))
                {
                    logger.LogInformation("  ReadDictionary {Name} {Id}", r.BrowseName.Name, dictionaryId);
                }
                DataDictionary dictionaryToLoad = await nodeResolver
                    .LoadDictionaryAsync(dictionaryId, r.BrowseName.Name)
                    .ConfigureAwait(false);

                // internal API for testing only
                byte[] dictionary = await nodeResolver.ReadDictionaryAsync(dictionaryId)
                    .ConfigureAwait(false);
                dictionaryToLoad.Validate(dictionary, true, logger);
            }
        }
    }
}