Fixes #12 - Adds Errors list to SockerResponsePayload that is eit…

…her `null` or a `List<string>` of errors. (see: https://github.com/supabase/walrus/#error-states)

Realtime/Socket.cs

@@ -403,6 +403,13 @@ public class SocketResponsePayload
 
         [JsonProperty("response")]
         public object Response { get; set; }
+
+        /// <summary>
+        /// Either null or an array of errors.
+        /// See: https://github.com/supabase/walrus/#error-states
+        /// </summary>
+        [JsonProperty("errors")]
+        public List<string> Errors { get; set; }
     }
 
     public class SocketResponsePayload<T> : SocketResponsePayload where T : BaseModel, new()

RealtimeTests/SocketResponse.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Newtonsoft.Json;
+using Supabase.Realtime;
+
+namespace RealtimeTests
+{
+    [TestClass]
+    public class SocketResponseTests
+    {
+        [TestMethod("Error Response Included and Deserialized.")]
+        public void SocketResponseIncludesError()
+        {
+            var responseWithError = "{\"columns\":[{\"name\":\"id\",\"type\":\"int8\"},{\"name\":\"details\",\"type\":\"text\"}],\"commit_timestamp\":\"2021-12-28T23:59:38.984538+00:00\",\"schema\":\"public\",\"table\":\"todos\",\"type\":\"UPDATE\",\"old_record\":{\"details\":\"previous test\",\"id\":12,\"user_id\":1},\"record\":{\"details\":\"test...\",\"id\":12,\"user_id\":1},\"errors\":[\"Error 413: Payload Too Large\"]}";
+            var errorResponse = JsonConvert.DeserializeObject<SocketResponsePayload>(responseWithError);
+
+            CollectionAssert.Contains(errorResponse.Errors, "Error 413: Payload Too Large");
+
+            var responseWithoutError = "{\"columns\":[{\"name\":\"id\",\"type\":\"int8\"},{\"name\":\"details\",\"type\":\"text\"}],\"commit_timestamp\":\"2021-12-28T23:59:38.984538+00:00\",\"schema\":\"public\",\"table\":\"todos\",\"type\":\"UPDATE\",\"old_record\":{\"details\":\"previous test\",\"id\":12,\"user_id\":1},\"record\":{\"details\":\"test...\",\"id\":12,\"user_id\":1},\"errors\": null}";
+            var successResponse = JsonConvert.DeserializeObject<SocketResponsePayload>(responseWithoutError);
+
+            Assert.IsNull(successResponse.Errors);
+        }
+    }
+}