UA-.NETStandard/tests/Opc.Ua.Server.Tests/NodeManager/DeterministicServerMock.cs

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using System;
using Moq;

namespace Opc.Ua.Server.Tests.NodeManager
{
    /// <summary>
    /// Builds a deterministic mock of <see cref="IServerInternal"/> that is sufficient
    /// to construct node managers, monitored items, sampling groups and event managers
    /// without spinning up a real server.
    /// </summary>
    internal static class DeterministicServerMock
    {
        public const string TestNamespaceUri = "urn:opcfoundation:server:tests:deterministic";

        /// <summary>
        /// Creates the mock server.
        /// </summary>
        public static Mock<IServerInternal> Create(
            out MonitoredItemQueueFactory queueFactory,
            TimeProvider? timeProvider = null)
        {
            var mockServer = new Mock<IServerInternal>();
            if (timeProvider != null)
            {
                mockServer.As<ITimeProviderProvider>().SetupGet(server => server.TimeProvider).Returns(timeProvider);
            }
            var mockMasterNodeManager = new Mock<IMasterNodeManager>();
            var mockConfigurationNodeManager = new Mock<IConfigurationNodeManager>();
            var mockCoreNodeManager = new Mock<ICoreNodeManager>();

            var namespaceTable = new NamespaceTable();
            namespaceTable.Append(TestNamespaceUri);

            mockServer.Setup(s => s.NamespaceUris).Returns(namespaceTable);
            mockServer.Setup(s => s.ServerUris).Returns(new StringTable());
            mockServer.Setup(s => s.TypeTree).Returns(new TypeTable(namespaceTable));
            mockServer.Setup(s => s.Factory).Returns(EncodeableFactory.Create());
            mockServer.Setup(s => s.NodeManager).Returns(mockMasterNodeManager.Object);
            mockServer.Setup(s => s.CoreNodeManager).Returns(mockCoreNodeManager.Object);
            mockServer.Setup(s => s.IsRunning).Returns(true);
            mockMasterNodeManager.Setup(m => m.ConfigurationNodeManager)
                .Returns(mockConfigurationNodeManager.Object);
            mockMasterNodeManager.Setup(m => m.CoreNodeManager)
                .Returns(mockCoreNodeManager.Object);

            var mockTelemetry = new Mock<ITelemetryContext>();
            mockServer.Setup(s => s.Telemetry).Returns(mockTelemetry.Object);

            queueFactory = new MonitoredItemQueueFactory(mockTelemetry.Object);
            mockServer.Setup(s => s.MonitoredItemQueueFactory).Returns(queueFactory);

            var serverSystemContext = new ServerSystemContext(mockServer.Object);
            mockServer.Setup(s => s.DefaultSystemContext).Returns(serverSystemContext);

            return mockServer;
        }
    }
}