no message

Author: codebrain

src/Tests/Tests.Reproduce/GithubPR3815.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Text;
+using Elastic.Xunit.XunitPlumbing;
+using Elasticsearch.Net;
+using FluentAssertions;
+using Nest;
+using Tests.Core.Extensions;
+
+namespace Tests.Reproduce
+{
+	public class GithubPR3815
+	{
+		[U]
+		public void CanDeserializeNestedError()
+		{
+			var nestedCausedByError = @"{
+				""status"": 400,
+				""error"": {
+					""type"": ""illegal_argument_exception"",
+					""reason"": ""failed to execute script"",
+					""caused_by"": {
+						""type"": ""script_exception"",
+						""reason"": ""failed to run inline script [use(java.lang.Exception) {throw new Exception(\""Customized Exception\"")}] using lang [groovy]"",
+						""caused_by"": {
+							""type"": ""privileged_action_exception"",
+							""reason"": null,
+							""caused_by"": {
+								""type"": ""exception"",
+								""reason"": ""Custom Exception""
+							}
+						}
+					}
+				}
+			}";
+
+			var bytes = Encoding.UTF8.GetBytes(nestedCausedByError);
+			var connection = new InMemoryConnection(bytes, 400);
+			var settings = new ConnectionSettings(new SingleNodeConnectionPool(new Uri("http://localhost:9200")), connection);
+			var client = new ElasticClient(settings);
+
+			CheckCustomDeserialiseMethods(client, () => client.MultiGet());
+			CheckCustomDeserialiseMethods(client, () => client.Cat.Help());
+			CheckCustomDeserialiseMethods(client, () => client.Nodes.HotThreads());
+			CheckCustomDeserialiseMethods(client, () => client.MultiSearch());
+			CheckCustomDeserialiseMethods(client, () => client.Sql.Translate());
+			CheckCustomDeserialiseMethods(client, () => client.Security.GetCertificates());
+		}
+
+		private static void CheckCustomDeserialiseMethods(ElasticClient client, Func<ResponseBase> perform)
+		{
+			var response = perform();
+			response.ShouldNotBeValid();
+			var se = response.ServerError;
+			se.Status.Should().Be(400);
+			se.Should().NotBeNull();
+			ShouldDeserialize(se.Error);
+			ShouldDeserialize(se.Error.CausedBy);
+			ShouldDeserialize(se.Error.CausedBy.CausedBy, true);
+			ShouldDeserialize(se.Error.CausedBy.CausedBy.CausedBy);
+		}
+
+		private static void ShouldDeserialize(ErrorCause error, bool nullReason = false)
+		{
+			error.Should().NotBeNull();
+			error.Type.Should().NotBeNullOrEmpty();
+			if (nullReason)
+				error.Reason.Should().BeNull();
+			else
+				error.Reason.Should().NotBeNullOrEmpty();
+		}
+	}
+}