From bb5a02d8b12c8d0e167f1b5f36797d3de915e94e Mon Sep 17 00:00:00 2001
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Date: Fri, 9 Feb 2024 09:24:55 +0300
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---
 .../AssemblyExtensions.cs                     | 25 +++++++
 .../Converters/ValidationResultConverter.cs   | 68 +++++++++++++++++++
 .../WebAppFactoryFixture.cs                   |  4 +-
 3 files changed, 96 insertions(+), 1 deletion(-)
 create mode 100644 AsbCloudWebApi.IntegrationTests/AssemblyExtensions.cs
 create mode 100644 AsbCloudWebApi.IntegrationTests/Converters/ValidationResultConverter.cs

diff --git a/AsbCloudWebApi.IntegrationTests/AssemblyExtensions.cs b/AsbCloudWebApi.IntegrationTests/AssemblyExtensions.cs
new file mode 100644
index 00000000..d4013aa1
--- /dev/null
+++ b/AsbCloudWebApi.IntegrationTests/AssemblyExtensions.cs
@@ -0,0 +1,25 @@
+using System.Reflection;
+
+namespace AsbCloudWebApi.IntegrationTests;
+
+internal static class AssemblyExtensions
+{
+	internal static Stream GetFileCopyStream(this Assembly assembly, string templateName)
+	{
+		var resourceName = assembly
+			.GetManifestResourceNames()
+			.FirstOrDefault(n => n.EndsWith(templateName));
+
+		if (string.IsNullOrWhiteSpace(resourceName))
+			throw new ArgumentNullException(nameof(resourceName));
+
+		using var stream = Assembly.GetExecutingAssembly()
+			.GetManifestResourceStream(resourceName);
+
+		var memoryStream = new MemoryStream();
+		stream?.CopyTo(memoryStream);
+		memoryStream.Position = 0;
+
+		return memoryStream;
+	}
+}
\ No newline at end of file
diff --git a/AsbCloudWebApi.IntegrationTests/Converters/ValidationResultConverter.cs b/AsbCloudWebApi.IntegrationTests/Converters/ValidationResultConverter.cs
new file mode 100644
index 00000000..15423bc0
--- /dev/null
+++ b/AsbCloudWebApi.IntegrationTests/Converters/ValidationResultConverter.cs
@@ -0,0 +1,68 @@
+using System.ComponentModel.DataAnnotations;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace AsbCloudWebApi.IntegrationTests.Converters;
+
+public class ValidationResultConverter : JsonConverter<ValidationResult>
+{
+	public override ValidationResult Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+	{
+		if (reader.TokenType != JsonTokenType.StartObject)
+		{
+			throw new JsonException("Expected the start of an object.");
+		}
+
+		string? errorMessage = null;
+		List<string>? memberNames = null;
+
+		while (reader.Read())
+		{
+			if (reader.TokenType == JsonTokenType.EndObject)
+			{
+				break;
+			}
+
+			if (reader.TokenType != JsonTokenType.PropertyName)
+			{
+				throw new JsonException($"Unexpected token type: {reader.TokenType}");
+			}
+
+			var propertyName = reader.GetString();
+			reader.Read();
+
+			switch (propertyName)
+			{
+				case "errorMessage":
+					errorMessage = reader.GetString();
+					break;
+				case "memberNames":
+					if (reader.TokenType != JsonTokenType.StartArray)
+					{
+						throw new JsonException("Expected the start of an array for 'memberNames'.");
+					}
+					memberNames = new List<string>();
+					while (reader.Read() && reader.TokenType != JsonTokenType.EndArray)
+					{
+						memberNames.Add(reader.GetString() ?? string.Empty);
+					}
+					break;
+				default:
+					reader.Skip();
+					break;
+			}
+		}
+
+		if (errorMessage == null)
+		{
+			throw new JsonException("Missing 'errorMessage' property.");
+		}
+
+		return new ValidationResult(errorMessage, memberNames ?? Enumerable.Empty<string>());
+	}
+
+	public override void Write(Utf8JsonWriter writer, ValidationResult value, JsonSerializerOptions options)
+	{
+		throw new NotImplementedException();
+	}
+}
\ No newline at end of file
diff --git a/AsbCloudWebApi.IntegrationTests/WebAppFactoryFixture.cs b/AsbCloudWebApi.IntegrationTests/WebAppFactoryFixture.cs
index af7303b6..aa8bd27e 100644
--- a/AsbCloudWebApi.IntegrationTests/WebAppFactoryFixture.cs
+++ b/AsbCloudWebApi.IntegrationTests/WebAppFactoryFixture.cs
@@ -8,6 +8,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Refit;
 using System.Net.Http.Headers;
 using System.Text.Json;
+using AsbCloudWebApi.IntegrationTests.Converters;
 using Xunit;
 
 namespace AsbCloudWebApi.IntegrationTests;
@@ -18,7 +19,8 @@ public class WebAppFactoryFixture : WebApplicationFactory<Startup>,
     private static readonly JsonSerializerOptions jsonSerializerOptions = new()
     {
         PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
-        PropertyNameCaseInsensitive = true
+        PropertyNameCaseInsensitive = true,
+		Converters = { new ValidationResultConverter() }
     };
 
     private static readonly RefitSettings refitSettings = new RefitSettings(new SystemTextJsonContentSerializer(jsonSerializerOptions));