When MultipartBody is serialized the values are generated with CRLF

CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.9.4] - 2024-05-31
+
+### Changed
+
+- Fix MultipartBody serialization
+
 ## [1.9.3] - 2024-05-28
 
 ### Changed

Microsoft.Kiota.Abstractions.Tests/MultipartBodyTests.cs

@@ -1,4 +1,5 @@
-using Microsoft.Kiota.Abstractions.Serialization;
+using System.IO;
+using Microsoft.Kiota.Abstractions.Serialization;
 using Moq;
 using Xunit;
 
@@ -10,10 +11,22 @@ public class MultipartBodyTests
     public void KeepsFilename()
     {
         var writerMock = new Mock<ISerializationWriter>();
+        var jsonWriterMock = new Mock<ISerializationWriter>();
         var requestAdapterMock = new Mock<IRequestAdapter>();
         var serializationFactoryMock = new Mock<ISerializationWriterFactory>();
 
         var body = new MultipartBody();
+        jsonWriterMock.Setup(w => w.WriteStringValue("", "fileContent"));
+        using var ms = new MemoryStream();
+        using var sr = new StreamWriter(ms);
+
+        sr.Write("fileContent");
+        sr.Flush();
+        jsonWriterMock.Setup(w => w.GetSerializedContent()).Returns(ms);
+
+        serializationFactoryMock
+            .Setup(r => r.GetSerializationWriter("application/json"))
+            .Returns(jsonWriterMock.Object);
 
         requestAdapterMock
             .Setup(r => r.SerializationWriterFactory)
@@ -24,7 +37,7 @@ public void KeepsFilename()
         writerMock.Setup(w => w.WriteStringValue("", "--" + body.Boundary));
         writerMock.Setup(w => w.WriteStringValue("Content-Type", "application/json"));
         writerMock.Setup(w => w.WriteStringValue("Content-Disposition", "form-data; name=\"file\"; filename=\"file.json\""));
-        writerMock.Setup(w => w.WriteStringValue("", "fileContent"));
+        writerMock.Setup(w => w.WriteByteArrayValue("", ms.ToArray()));
         writerMock.Setup(w => w.WriteStringValue("", ""));
         writerMock.Setup(w => w.WriteStringValue("", "--" + body.Boundary + "--"));
 
@@ -40,10 +53,22 @@ public void KeepsFilename()
     public void WorksWithoutFilename()
     {
         var writerMock = new Mock<ISerializationWriter>();
+        var jsonWriterMock = new Mock<ISerializationWriter>();
         var requestAdapterMock = new Mock<IRequestAdapter>();
         var serializationFactoryMock = new Mock<ISerializationWriterFactory>();
 
         var body = new MultipartBody();
+        jsonWriterMock.Setup(w => w.WriteStringValue("", "fileContent"));
+        using var ms = new MemoryStream();
+        using var sr = new StreamWriter(ms);
+
+        sr.Write("fileContent");
+        sr.Flush();
+        jsonWriterMock.Setup(w => w.GetSerializedContent()).Returns(ms);
+
+        serializationFactoryMock
+            .Setup(r => r.GetSerializationWriter("application/json"))
+            .Returns(jsonWriterMock.Object);
 
         requestAdapterMock
             .Setup(r => r.SerializationWriterFactory)
@@ -54,7 +79,7 @@ public void WorksWithoutFilename()
         writerMock.Setup(w => w.WriteStringValue("", "--" + body.Boundary));
         writerMock.Setup(w => w.WriteStringValue("Content-Type", "application/json"));
         writerMock.Setup(w => w.WriteStringValue("Content-Disposition", "form-data; name=\"file\""));
-        writerMock.Setup(w => w.WriteStringValue("", "fileContent"));
+        writerMock.Setup(w => w.WriteByteArrayValue("", ms.ToArray()));
         writerMock.Setup(w => w.WriteStringValue("", ""));
         writerMock.Setup(w => w.WriteStringValue("", "--" + body.Boundary + "--"));
 

src/Microsoft.Kiota.Abstractions.csproj

@@ -15,7 +15,7 @@
     <PackageProjectUrl>https://aka.ms/kiota/docs</PackageProjectUrl>
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
     <Deterministic>true</Deterministic>
-    <VersionPrefix>1.9.3</VersionPrefix>
+    <VersionPrefix>1.9.4</VersionPrefix>
     <VersionSuffix></VersionSuffix>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <SignAssembly>false</SignAssembly>

src/MultipartBody.cs

@@ -139,16 +139,13 @@ public void Serialize(ISerializationWriter writer)
                 {
                     using var partWriter = RequestAdapter.SerializationWriterFactory.GetSerializationWriter(part.ContentType);
                     partWriter.WriteObjectValue(string.Empty, parsable);
-                    using var partContent = partWriter.GetSerializedContent();
-                    if(partContent.CanSeek)
-                        partContent.Seek(0, SeekOrigin.Begin);
-                    using var ms = new MemoryStream();
-                    partContent.CopyTo(ms);
-                    writer.WriteByteArrayValue(string.Empty, ms.ToArray());
+                    WriteSerializedContent(writer, partWriter);
                 }
                 else if(part.Content is string currentString)
                 {
-                    writer.WriteStringValue(string.Empty, currentString);
+                    using var partWriter = RequestAdapter.SerializationWriterFactory.GetSerializationWriter(part.ContentType);
+                    partWriter.WriteStringValue(string.Empty, currentString);
+                    WriteSerializedContent(writer, partWriter);
                 }
                 else if(part.Content is MemoryStream originalMemoryStream)
                 {
@@ -184,6 +181,16 @@ private void AddNewLine(ISerializationWriter writer)
         writer.WriteStringValue(string.Empty, string.Empty);
     }
 
+    private void WriteSerializedContent(ISerializationWriter writer, ISerializationWriter partWriter)
+    {
+        using var partContent = partWriter.GetSerializedContent();
+        if(partContent.CanSeek)
+            partContent.Seek(0, SeekOrigin.Begin);
+        using var ms = new MemoryStream();
+        partContent.CopyTo(ms);
+        writer.WriteByteArrayValue(string.Empty, ms.ToArray());
+    }
+
     private class Part
     {
         public Part(string name, object content, string contentType, string? fileName)