UA-.NETStandard/tests/Opc.Ua.Client.Tests/Session/SessionExtensionsCoverageTests.cs

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using System.Threading;
using System.Threading.Tasks;
using Moq;
using NUnit.Framework;

namespace Opc.Ua.Client.Tests
{
    [TestFixture]
    [Category("Client")]
    [Category("Session")]
    public sealed class SessionExtensionsCoverageTests
    {
        [Test]
        public async Task FindComponentIdsAsyncClassifiesTranslateResultsAsync()
        {
            var session = new Mock<ISession>(MockBehavior.Strict);
            session.SetupGet(s => s.TypeTree).Returns(Mock.Of<ITypeTable>());
            session.SetupGet(s => s.NamespaceUris).Returns(new NamespaceTable());
            session.Setup(s => s.TranslateBrowsePathsToNodeIdsAsync(
                    It.IsAny<RequestHeader>(),
                    It.IsAny<ArrayOf<BrowsePath>>(),
                    It.IsAny<CancellationToken>()))
                .Returns(new ValueTask<TranslateBrowsePathsToNodeIdsResponse>(
                    new TranslateBrowsePathsToNodeIdsResponse
                    {
                        ResponseHeader = new ResponseHeader { StringTable = ["diagnostic"] },
                        Results =
                        [
                            new BrowsePathResult { StatusCode = StatusCodes.BadNoMatch },
                            new BrowsePathResult { StatusCode = StatusCodes.Good, Targets = [] },
                            new BrowsePathResult
                            {
                                StatusCode = StatusCodes.Good,
                                Targets =
                                [
                                    Target(new NodeId(1), uint.MaxValue),
                                    Target(new NodeId(2), uint.MaxValue)
                                ]
                            },
                            new BrowsePathResult
                            {
                                StatusCode = StatusCodes.Good,
                                Targets = [Target(new NodeId(3), 0)]
                            },
                            new BrowsePathResult
                            {
                                StatusCode = StatusCodes.Good,
                                Targets =
                                [
                                    new BrowsePathTarget
                                    {
                                        TargetId = NodeId.Null,
                                        RemainingPathIndex = uint.MaxValue
                                    }
                                ]
                            },
                            new BrowsePathResult
                            {
                                StatusCode = StatusCodes.Good,
                                Targets =
                                [
                                    new BrowsePathTarget
                                    {
                                        TargetId = new ExpandedNodeId(10u, "urn:remote"),
                                        RemainingPathIndex = uint.MaxValue
                                    }
                                ]
                            },
                            new BrowsePathResult
                            {
                                StatusCode = StatusCodes.Good,
                                Targets = [Target(new NodeId(42), uint.MaxValue)]
                            }
                        ],
                        DiagnosticInfos = []
                    }));

            (ArrayOf<NodeId> ids, ArrayOf<ServiceResult> errors) = await session.Object
                .FindComponentIdsAsync(new NodeId(100), ["A", "B", "C", "D", "E", "F", "G"])
                .ConfigureAwait(false);

            Assert.That(ids, Has.Count.EqualTo(7));
            Assert.That(errors[0].StatusCode, Is.EqualTo(StatusCodes.BadNoMatch));
            Assert.That(errors[1].StatusCode, Is.EqualTo(StatusCodes.BadTargetNodeIdInvalid));
            Assert.That(errors[2].StatusCode, Is.EqualTo(StatusCodes.BadTooManyMatches));
            Assert.That(errors[3].StatusCode, Is.EqualTo(StatusCodes.BadTargetNodeIdInvalid));
            Assert.That(errors[4].StatusCode, Is.EqualTo(StatusCodes.BadUnexpectedError));
            Assert.That(errors[5].StatusCode, Is.EqualTo(StatusCodes.BadUnexpectedError));
            Assert.That(ServiceResult.IsGood(errors[6]), Is.True);
            Assert.That(ids[6], Is.EqualTo(new NodeId(42)));
        }

        private static BrowsePathTarget Target(NodeId nodeId, uint remainingPathIndex)
        {
            return new BrowsePathTarget
            {
                TargetId = nodeId,
                RemainingPathIndex = remainingPathIndex
            };
        }
    }
}