Implement http message handler factory to generate httpmessagehandler for each IHttpClient.

WpfExtended.Test/Http/HttpMessageLogger.cs

@@ -0,0 +1,25 @@
+using Microsoft.Extensions.Logging;
+using System.Extensions;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace WpfExtended.Tests.Http
+{
+    public class HttpMessageLogger : DelegatingHandler
+    {
+        private readonly ILogger logger;
+        public HttpMessageLogger(ILogger logger, HttpMessageHandler innerHandler) : base(innerHandler)
+        {
+            this.logger = logger.ThrowIfNull(nameof(logger));
+        }
+
+        protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
+        {
+            this.logger.LogInformation($"{request.Method} - {request.RequestUri}");
+            var response = await base.SendAsync(request, cancellationToken);
+            this.logger.LogInformation($"{response.RequestMessage.RequestUri} - {response.StatusCode}");
+            return response;
+        }
+    }
+}

WpfExtended.Test/Launcher.cs

@@ -1,7 +1,13 @@
-using Slim;
+using Microsoft.Extensions.Logging;
+using Slim;
 using System;
+using System.Extensions;
+using System.Http;
+using System.Net.Http;
 using System.Windows.Extensions;
+using System.Windows.Extensions.Http;
 using WpfExtended.Test;
+using WpfExtended.Tests.Http;
 
 namespace WpfExtended.Tests
 {
@@ -15,6 +21,18 @@ namespace WpfExtended.Tests
             return Instance.Run();
         }
 
+        protected override void SetupServiceManager(IServiceManager serviceManager)
+        {
+            serviceManager.RegisterResolver(
+                new HttpClientResolver()
+                .WithHttpMessageHandlerFactory((sp, category) =>
+                {
+                    var loggerType = typeof(ILogger<>).MakeGenericType(category);
+                    var logger = sp.GetService(loggerType).As<ILogger>();
+                    return new HttpMessageLogger(logger, new HttpClientHandler());
+                }));
+        }
+
         protected override void ApplicationClosing()
         {
         }