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Fix #625: xml output encoding don't match writer setting #634

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Merged
clairernovotny merged 3 commits into from
Mar 12, 2019
Merged

Fix #625: xml output encoding don't match writer setting #634

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ad3d42b
add unit test for xml writer encoding setting
lhyqy5 Mar 9, 2019
2c0acaa
use MemoryStream replace StringWriter in XmlContentSerializer's Seria…
lhyqy5 Mar 9, 2019
33832ff
Merge branch 'master' into issue-625-output-encoding-error
Mar 12, 2019
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25 changes: 25 additions & 0 deletions Refit.Tests/XmlContentSerializerTests.cs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,9 @@
using System;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Xml;
using System.Xml.Linq;
using System.Xml.Serialization;
using Xunit;

Expand Down Expand Up @@ -92,6 +94,29 @@ public async Task ShouldDeserializeFromXmlAsync()
Assert.Equal("123", dto.Identifier);
}

[Fact]
public async Task XmlEncodingShouldMatchWriterSettingAsync()
{
var encoding = Encoding.UTF7;
var serializerSettings = new XmlContentSerializerSettings
{
XmlReaderWriterSettings = new XmlReaderWriterSettings()
{
WriterSettings = new XmlWriterSettings()
{
Encoding = encoding
}
}
};
var sut = new XmlContentSerializer(serializerSettings);

var dto = BuildDto();
var content = await sut.SerializeAsync(dto);
var xml = XDocument.Parse(await content.ReadAsStringAsync());
var documentEncoding = xml.Declaration.Encoding;
Assert.Equal(encoding.WebName, documentEncoding);
}

private static Dto BuildDto()
{
var dto = new Dto
Expand Down
8 changes: 5 additions & 3 deletions Refit/XmlContentSerializer.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -26,12 +26,14 @@ public Task<HttpContent> SerializeAsync<T>(T item)
{
var xmlSerializer = new XmlSerializer(item.GetType(), settings.XmlAttributeOverrides);

using (var output = new StringWriter())
using (var stream = new MemoryStream())
{
using (var writer = XmlWriter.Create(output, settings.XmlReaderWriterSettings.WriterSettings))
using (var writer = XmlWriter.Create(stream, settings.XmlReaderWriterSettings.WriterSettings))
{
var encoding = settings.XmlReaderWriterSettings.WriterSettings?.Encoding ?? Encoding.Unicode;
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@clairernovotny clairernovotny Mar 9, 2019

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What should the default be? Unicode or UTF8? Any reason for Unicode over UTF8 as the default?

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@lhyqy5 lhyqy5 Mar 9, 2019 •
edited
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StringWriter default encoding is Unicode, so I keep it, and utf-16 is the previous behavior

xmlSerializer.Serialize(writer, item, settings.XmlNamespaces);
var content = new StringContent(output.ToString(), Encoding.UTF8, "application/xml");
var str = encoding.GetString(stream.ToArray());
var content = new StringContent(str, encoding, "application/xml");
return Task.FromResult((HttpContent)content);
}
}
Expand Down