Set json encoding for HTTP requests to UTF8

src/AppGet.Tests/AppGet.Tests.csproj

@@ -67,6 +67,7 @@
     <Compile Include="FileTransfer\TransferCacheServiceFixture.cs" />
     <Compile Include="HostSystem\EnvInfoFixture.cs" />
     <Compile Include="HostSystem\MachineIdFixture.cs" />
+    <Compile Include="HttpBinResponse.cs" />
     <Compile Include="Http\HttpClientFixture.cs" />
     <Compile Include="Http\UserAgentBuilderFixture.cs" />
     <Compile Include="Infrastructure\Composition\ContainerBuilderFixture.cs" />

src/AppGet.Tests/Http/HttpClientFixture.cs

@@ -1,10 +1,15 @@
 using System;
+using System.Collections.Generic;
 using System.Net;
+using System.Net.Http;
 using System.Threading.Tasks;
 using AppGet.HostSystem;
 using AppGet.Http;
+using AppGet.Manifest;
 using FluentAssertions;
+using Newtonsoft.Json.Linq;
 using NUnit.Framework;
+using HttpClient = AppGet.Http.HttpClient;
 
 namespace AppGet.Tests.Http
 {
@@ -35,12 +40,29 @@ public void should_throw_name_resolution_exception()
             ex.Message.Should().Contain("The remote name could not be resolved");
         }
 
-
         [Test]
         public void should_throw_for_non_success()
         {
             Mocker.SetInstance<IUserAgentBuilder>(new UserAgentBuilder(new EnvInfo()));
             Assert.ThrowsAsync<HttpException>(async () => await Subject.GetAsync(new Uri("https://google.com/not-a-valid-path"), TimeSpan.FromSeconds(10)));
         }
+
+        [Test]
+        public async Task post_should_send_correct_encoding()
+        {
+            Mocker.SetInstance<IUserAgentBuilder>(new UserAgentBuilder(new EnvInfo()));
+
+            var request = new HttpRequestMessage(HttpMethod.Post, new Uri("https://httpbin.org/post"));
+            request.Content = new JsonContent(new PackageManifest());
+
+            var res = await Subject.SendAsync(request, TimeSpan.FromSeconds(10));
+            res.EnsureSuccessStatusCode();
+
+            var binResp = await res.Deserialize<HttpBinResponse>();
+
+            binResp.Headers["Content-Type"].Should().Be("Application/Json; charset=utf-8");
+        }
     }
+
+
 }

src/AppGet.Tests/HttpBinResponse.cs

@@ -0,0 +1,17 @@
+using System.Collections.Generic;
+using Newtonsoft.Json.Linq;
+
+namespace AppGet.Tests
+{
+    public class HttpBinResponse
+    {
+        public Dictionary<string, string> Args { get; set; }
+        public string Data { get; set; }
+        public Dictionary<string, string> Files { get; set; }
+        public Dictionary<string, string> Form { get; set; }
+        public Dictionary<string, string> Headers { get; set; }
+        public JObject Json { get; set; }
+        public string Origin { get; set; }
+        public string Url { get; set; }
+    }
+}

src/AppGet/Http/JsonContent.cs

@@ -7,7 +7,7 @@ namespace AppGet.Http
     public class JsonContent : StringContent
     {
         public JsonContent(object obj)
-            : base(Json.Serialize(obj), Encoding.Default, "Application/Json")
+            : base(Json.Serialize(obj), Encoding.UTF8, "Application/Json")
         {
         }
     }