WingRtcService/VRTC/VRTC.Common/VrtcServerMessage.cs

using System.Text.Json;
using System.Text.Json.Serialization;

namespace VRTC
{
    public class VrtcServerMessage
    {
        /// <summary>
        /// The commad from client
        /// </summary>
        [JsonPropertyName("command")]
        public VrtcCommands Command { get; set; }
        /// <summary>
        /// The rtc room ID
        /// </summary>
        [JsonPropertyName("roomId")]
        public uint RoomId { get; set; }
        /// <summary>
        /// The client ID
        /// </summary>
        [JsonPropertyName("clientId")]
        public string ClientId { get; set; }
        public string ToJson()
        {
            return JsonSerializer.Serialize(this);
        }
    }

    public class VrtcServerSdpMessage : VrtcServerMessage
    {
        /// <summary>
        /// The Web rtc protocol
        /// </summary>
        [JsonPropertyName("sdp")]
        public string Sdp { get; set; }
        public new string ToJson()
        {
            return JsonSerializer.Serialize(this);
        }
    }

    public class VrtcServerCandidateMessage : VrtcServerMessage
    {
        /// <summary>
        /// If present, this is the value of the "a=mid" attribute of the candidate's
        /// </summary>
        [JsonPropertyName("sdpMid")]
        public string SdpMid { get; set; }
        /// <summary>
        /// This indicates the index (starting at zero) of m= section this candidate is associated with. Needed when an endpoint doesn't support MIDs.
        /// </summary>
        [JsonPropertyName("sdpMLineIndex")]
        public int SdpMlineIndex { get; set; }
        /// <summary>
        /// The Web rtc protocol
        /// </summary>
        [JsonPropertyName("candidate")]
        public string Candidate { get; set; }
        public new string ToJson()
        {
            return JsonSerializer.Serialize(this);
        }

        [Test]
        public void ToJson_WhenCalled_ReturnsJsonString()
        {
            // Arrange
            var testObject = new TestObject();

            // Act
            var result = testObject.ToJson();

            // Assert
            Assert.IsNotNull(result);
            Assert.IsInstanceOfType(result, typeof(string));
            Assert.IsTrue(result.StartsWith("{"));
            Assert.IsTrue(result.EndsWith("}"));
        }

    }
}