UA-.NETStandard/Fuzzing/common/Fuzz.Tools/Testcases.cs

/* ========================================================================
 * Copyright (c) 2005-2025 The OPC Foundation, Inc. All rights reserved.
 *
 * OPC Foundation MIT License 1.00
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * The complete license agreement can be found here:
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 * ======================================================================*/

using System;

namespace Opc.Ua.Fuzzing
{
#pragma warning disable IDE0079 // Remove unnecessary suppression
#pragma warning disable RCS1043
    public static partial class Testcases
#pragma warning restore RCS1043, IDE0079
    {
        public delegate void MessageEncoder(IEncoder encoder);

        public static readonly MessageEncoder[] MessageEncoders = [ReadRequest, ReadResponse];

        public static void ReadRequest(IEncoder encoder)
        {
            var nodeId = new NodeId(1000);
            var readRequest = new ReadRequest
            {
                RequestHeader = new RequestHeader
                {
                    Timestamp = DateTime.UtcNow,
                    RequestHandle = 42,
                    AdditionalHeader = new ExtensionObject()
                },
                NodesToRead =
                [
                    new ReadValueId { NodeId = nodeId, AttributeId = Attributes.Description },
                    new ReadValueId { NodeId = nodeId, AttributeId = Attributes.Value },
                    new ReadValueId { NodeId = nodeId, AttributeId = Attributes.DisplayName },
                    new ReadValueId { NodeId = nodeId, AttributeId = Attributes.AccessLevel },
                    new ReadValueId { NodeId = nodeId, AttributeId = Attributes.RolePermissions }
                ]
            };
            encoder.EncodeMessage(readRequest);
        }

        public static void ReadResponse(IEncoder encoder)
        {
            DateTime now = DateTime.UtcNow;

            var readRequest = new ReadResponse
            {
                Results =
                [
                    new DataValue
                    {
                        Value = new Variant("Hello World"),
                        ServerTimestamp = now,
                        SourceTimestamp = now.AddMinutes(1),
                        ServerPicoseconds = 100,
                        SourcePicoseconds = 10,
                        StatusCode = StatusCodes.Good
                    },
                    new DataValue
                    {
                        Value = new Variant((uint)12345678),
                        ServerTimestamp = now,
                        SourceTimestamp = now.AddMinutes(1),
                        StatusCode = StatusCodes.BadDataLost
                    },
                    new DataValue
                    {
                        Value = new Variant(new byte[] { 0, 1, 2, 3, 4, 5, 6 }),
                        ServerTimestamp = now,
                        SourceTimestamp = now.AddMinutes(1),
                        StatusCode = StatusCodes.Good
                    },
                    new DataValue { Value = new Variant((byte)42), SourceTimestamp = now }
                ],
                DiagnosticInfos =
                [
                    new DiagnosticInfo
                    {
                        AdditionalInfo = "Hello World",
                        InnerStatusCode = StatusCodes.BadCertificateHostNameInvalid,
                        InnerDiagnosticInfo = new DiagnosticInfo
                        {
                            AdditionalInfo = "Hello World",
                            InnerStatusCode = StatusCodes.BadNodeIdUnknown
                        }
                    }
                ],
                ResponseHeader = new ResponseHeader
                {
                    Timestamp = DateTime.UtcNow,
                    RequestHandle = 42,
                    ServiceResult = StatusCodes.Good,
                    ServiceDiagnostics = new DiagnosticInfo
                    {
                        AdditionalInfo = "NodeId not found",
                        InnerStatusCode = StatusCodes.BadNodeIdExists,
                        InnerDiagnosticInfo = new DiagnosticInfo
                        {
                            AdditionalInfo = "Hello World",
                            InnerStatusCode = StatusCodes.BadNodeIdUnknown,
                            InnerDiagnosticInfo = new DiagnosticInfo
                            {
                                AdditionalInfo = "Hello World",
                                InnerStatusCode = StatusCodes.BadNodeIdUnknown,
                                InnerDiagnosticInfo = new DiagnosticInfo
                                {
                                    AdditionalInfo = "Hello World",
                                    InnerStatusCode = StatusCodes.BadNodeIdUnknown
                                }
                            }
                        }
                    }
                }
            };
            encoder.EncodeMessage(readRequest);
        }
    }
}