Http payload media type (microsoft#4209)

Fixes microsoft#3980

packages/http-client-csharp/eng/scripts/Generate.ps1

@@ -1,36 +1,39 @@
 #Requires -Version 7.0
 param(
     $filter,
-    [bool]$Stubbed = $true
+    [bool]$Stubbed = $true,
+    [bool]$LaunchOnly = $false
 )
 
 Import-Module "$PSScriptRoot\Generation.psm1" -DisableNameChecking -Force;
 
 $packageRoot = Resolve-Path (Join-Path $PSScriptRoot '..' '..')
 $solutionDir = Join-Path $packageRoot 'generator'
 
-Refresh-Build
+if (-not $LaunchOnly) {
+    Refresh-Build
 
-if ($null -eq $filter -or $filter -eq "Unbranded-TypeSpec") {
-    Write-Host "Generating UnbrandedTypeSpec" -ForegroundColor Cyan
-    $testProjectsLocalDir = Join-Path $packageRoot 'generator' 'TestProjects' 'Local'
+    if ($null -eq $filter -or $filter -eq "Unbranded-TypeSpec") {
+        Write-Host "Generating UnbrandedTypeSpec" -ForegroundColor Cyan
+        $testProjectsLocalDir = Join-Path $packageRoot 'generator' 'TestProjects' 'Local'
 
-    $unbrandedTypespecTestProject = Join-Path $testProjectsLocalDir "Unbranded-TypeSpec"
-    $unbrandedTypespecTestProject = $unbrandedTypespecTestProject
+        $unbrandedTypespecTestProject = Join-Path $testProjectsLocalDir "Unbranded-TypeSpec"
+        $unbrandedTypespecTestProject = $unbrandedTypespecTestProject
 
-    Invoke (Get-TspCommand "$unbrandedTypespecTestProject/Unbranded-TypeSpec.tsp" $unbrandedTypespecTestProject)
+        Invoke (Get-TspCommand "$unbrandedTypespecTestProject/Unbranded-TypeSpec.tsp" $unbrandedTypespecTestProject)
 
-    # exit if the generation failed
-    if ($LASTEXITCODE -ne 0) {
-        exit $LASTEXITCODE
-    }
+        # exit if the generation failed
+        if ($LASTEXITCODE -ne 0) {
+            exit $LASTEXITCODE
+        }
 
-    Write-Host "Building UnbrandedTypeSpec" -ForegroundColor Cyan
-    Invoke "dotnet build $packageRoot/generator/TestProjects/Local/Unbranded-TypeSpec/src/UnbrandedTypeSpec.csproj"
+        Write-Host "Building UnbrandedTypeSpec" -ForegroundColor Cyan
+        Invoke "dotnet build $packageRoot/generator/TestProjects/Local/Unbranded-TypeSpec/src/UnbrandedTypeSpec.csproj"
 
-    # exit if the generation failed
-    if ($LASTEXITCODE -ne 0) {
-        exit $LASTEXITCODE
+        # exit if the generation failed
+        if ($LASTEXITCODE -ne 0) {
+            exit $LASTEXITCODE
+        }
     }
 }
 
@@ -59,7 +62,6 @@ $failingSpecs = @(
     Join-Path 'http' 'parameters' 'spread'
     Join-Path 'http' 'payload' 'content-negotiation'
     Join-Path 'http' 'payload' 'json-merge-patch'
-    Join-Path 'http' 'payload' 'media-type'
     Join-Path 'http' 'payload' 'multipart'
     Join-Path 'http' 'payload' 'pageable'
     Join-Path 'http' 'resiliency' 'srv-driven'
@@ -135,6 +137,9 @@ foreach ($directory in $directories) {
     }
 
     $cadlRanchLaunchProjects.Add(($folders -join "-"), ("TestProjects/CadlRanch/$($subPath.Replace([System.IO.Path]::DirectorySeparatorChar, '/'))"))
+    if ($LaunchOnly) {
+        continue
+    }
     Write-Host "Generating $subPath" -ForegroundColor Cyan
     Invoke (Get-TspCommand $specFile $generationDir $stubbed)
 

packages/http-client-csharp/generator/Microsoft.Generator.CSharp.ClientModel/src/Providers/ScmMethodProviderCollection.cs

@@ -125,6 +125,13 @@ private IReadOnlyList<ValueExpression> GetParamConversions(IReadOnlyList<Paramet
                 {
                     conversions.Add(BinaryContentSnippets.Create(param));
                 }
+                else if (param.Location == ParameterLocation.Body && param.Type.Equals(typeof(string)))
+                {
+                    var bdExpression = Operation.RequestBodyMediaType == BodyMediaType.Json
+                        ? BinaryDataSnippets.FromObjectAsJson(param)
+                        : BinaryDataSnippets.FromString(param);
+                    conversions.Add(BinaryContentSnippets.Create(bdExpression));
+                }
                 else
                 {
                     conversions.Add(param);

packages/http-client-csharp/generator/Microsoft.Generator.CSharp/src/Properties/launchSettings.json

@@ -40,6 +40,11 @@
       "commandName": "Executable",
       "executablePath": "$(SolutionDir)/../dist/generator/Microsoft.Generator.CSharp.exe"
     },
+    "http-payload-media-type": {
+      "commandLineArgs": "$(SolutionDir)/TestProjects/CadlRanch/http/payload/media-type -p StubLibraryPlugin",
+      "commandName": "Executable",
+      "executablePath": "$(SolutionDir)/../dist/generator/Microsoft.Generator.CSharp.exe"
+    },
     "http-payload-xml": {
       "commandLineArgs": "$(SolutionDir)/TestProjects/CadlRanch/http/payload/xml -p StubLibraryPlugin",
       "commandName": "Executable",

packages/http-client-csharp/generator/TestProjects/CadlRanch.Tests/Http/Payload/MediaType/MediaTypeTests.cs

@@ -0,0 +1,42 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System.Threading.Tasks;
+using NUnit.Framework;
+using Payload.MediaType;
+
+namespace TestProjects.CadlRanch.Tests.Http.Payload.MediaType
+{
+    public class MediaTypeTests : CadlRanchTestBase
+    {
+        [CadlRanchTest]
+        public Task SendAsText() => Test(async (host) =>
+        {
+            var response1 = await new MediaTypeClient(host, null).GetStringBodyClient().SendAsTextAsync("{cat}");
+            Assert.AreEqual(200, response1.GetRawResponse().Status);
+        });
+
+        [CadlRanchTest]
+        public Task GetAsText() => Test(async (host) =>
+        {
+            var response2 = await new MediaTypeClient(host, null).GetStringBodyClient().GetAsTextAsync();
+            Assert.AreEqual("{cat}", response2.Value);
+        });
+
+        [CadlRanchTest]
+        [Ignore("https://github.com/microsoft/typespec/issues/4208")]
+        public Task SendAsJson() => Test(async (host) =>
+        {
+            var response3 = await new MediaTypeClient(host, null).GetStringBodyClient().SendAsJsonAsync("foo");
+            Assert.AreEqual(200, response3.GetRawResponse().Status);
+        });
+
+        [CadlRanchTest]
+        [Ignore("https://github.com/microsoft/typespec/issues/4208")]
+        public Task GetAsJson() => Test(async (host) =>
+        {
+            var response4 = await new MediaTypeClient(host, null).GetStringBodyClient().GetAsJsonAsync();
+            Assert.AreEqual("foo", response4.Value);
+        });
+    }
+}

packages/http-client-csharp/generator/TestProjects/CadlRanch/http/payload/media-type/Configuration.json

@@ -0,0 +1,6 @@
+{
+  "output-folder": ".",
+  "namespace": "Payload.MediaType",
+  "library-name": "Payload.MediaType",
+  "use-model-reader-writer": true
+}

packages/http-client-csharp/generator/TestProjects/CadlRanch/http/payload/media-type/Payload.MediaType.sln

@@ -0,0 +1,48 @@
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29709.97
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Payload.MediaType", "src\Payload.MediaType.csproj", "{28FF4005-4467-4E36-92E7-DEA27DEB1519}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{B0C276D1-2930-4887-B29A-D1A33E7009A2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B0C276D1-2930-4887-B29A-D1A33E7009A2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B0C276D1-2930-4887-B29A-D1A33E7009A2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B0C276D1-2930-4887-B29A-D1A33E7009A2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{8E9A77AC-792A-4432-8320-ACFD46730401}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8E9A77AC-792A-4432-8320-ACFD46730401}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8E9A77AC-792A-4432-8320-ACFD46730401}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8E9A77AC-792A-4432-8320-ACFD46730401}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A4241C1F-A53D-474C-9E4E-075054407E74}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A4241C1F-A53D-474C-9E4E-075054407E74}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A4241C1F-A53D-474C-9E4E-075054407E74}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A4241C1F-A53D-474C-9E4E-075054407E74}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FA8BD3F1-8616-47B6-974C-7576CDF4717E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FA8BD3F1-8616-47B6-974C-7576CDF4717E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FA8BD3F1-8616-47B6-974C-7576CDF4717E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FA8BD3F1-8616-47B6-974C-7576CDF4717E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{85677AD3-C214-42FA-AE6E-49B956CAC8DC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{85677AD3-C214-42FA-AE6E-49B956CAC8DC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{85677AD3-C214-42FA-AE6E-49B956CAC8DC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{85677AD3-C214-42FA-AE6E-49B956CAC8DC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{28FF4005-4467-4E36-92E7-DEA27DEB1519}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{28FF4005-4467-4E36-92E7-DEA27DEB1519}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{28FF4005-4467-4E36-92E7-DEA27DEB1519}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{28FF4005-4467-4E36-92E7-DEA27DEB1519}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1F1CD1D4-9932-4B73-99D8-C252A67D4B46}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1F1CD1D4-9932-4B73-99D8-C252A67D4B46}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1F1CD1D4-9932-4B73-99D8-C252A67D4B46}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1F1CD1D4-9932-4B73-99D8-C252A67D4B46}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {A97F4B90-2591-4689-B1F8-5F21FE6D6CAE}
+	EndGlobalSection
+EndGlobal

packages/http-client-csharp/generator/TestProjects/CadlRanch/http/payload/media-type/src/Generated/MediaTypeClient.cs

@@ -0,0 +1,20 @@
+// <auto-generated/>
+
+#nullable disable
+
+using System;
+using System.ClientModel.Primitives;
+
+namespace Payload.MediaType
+{
+    public partial class MediaTypeClient
+    {
+        public MediaTypeClient() : this(new Uri("http://localhost:3000"), new MediaTypeClientOptions()) => throw null;
+
+        public MediaTypeClient(Uri endpoint, MediaTypeClientOptions options) => throw null;
+
+        public ClientPipeline Pipeline => throw null;
+
+        public virtual StringBody GetStringBodyClient() => throw null;
+    }
+}

packages/http-client-csharp/generator/TestProjects/CadlRanch/http/payload/media-type/src/Generated/MediaTypeClientOptions.cs

@@ -0,0 +1,12 @@
+// <auto-generated/>
+
+#nullable disable
+
+using System.ClientModel.Primitives;
+
+namespace Payload.MediaType
+{
+    public partial class MediaTypeClientOptions : ClientPipelineOptions
+    {
+    }
+}

packages/http-client-csharp/generator/TestProjects/CadlRanch/http/payload/media-type/src/Generated/StringBody.cs

@@ -0,0 +1,49 @@
+// <auto-generated/>
+
+#nullable disable
+
+using System.ClientModel;
+using System.ClientModel.Primitives;
+using System.Threading.Tasks;
+
+namespace Payload.MediaType
+{
+    public partial class StringBody
+    {
+        protected StringBody() => throw null;
+
+        public ClientPipeline Pipeline => throw null;
+
+        public virtual ClientResult SendAsText(BinaryContent content, RequestOptions options) => throw null;
+
+        public virtual Task<ClientResult> SendAsTextAsync(BinaryContent content, RequestOptions options) => throw null;
+
+        public virtual ClientResult SendAsText(string text) => throw null;
+
+        public virtual Task<ClientResult> SendAsTextAsync(string text) => throw null;
+
+        public virtual ClientResult GetAsText(RequestOptions options) => throw null;
+
+        public virtual Task<ClientResult> GetAsTextAsync(RequestOptions options) => throw null;
+
+        public virtual ClientResult<string> GetAsText() => throw null;
+
+        public virtual Task<ClientResult<string>> GetAsTextAsync() => throw null;
+
+        public virtual ClientResult SendAsJson(BinaryContent content, RequestOptions options) => throw null;
+
+        public virtual Task<ClientResult> SendAsJsonAsync(BinaryContent content, RequestOptions options) => throw null;
+
+        public virtual ClientResult SendAsJson(string text) => throw null;
+
+        public virtual Task<ClientResult> SendAsJsonAsync(string text) => throw null;
+
+        public virtual ClientResult GetAsJson(RequestOptions options) => throw null;
+
+        public virtual Task<ClientResult> GetAsJsonAsync(RequestOptions options) => throw null;
+
+        public virtual ClientResult<string> GetAsJson() => throw null;
+
+        public virtual Task<ClientResult<string>> GetAsJsonAsync() => throw null;
+    }
+}

packages/http-client-csharp/generator/TestProjects/CadlRanch/http/payload/media-type/src/Payload.MediaType.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <Description>This is the Payload.MediaType client library for developing .NET applications with rich experience.</Description>
+    <AssemblyTitle>SDK Code Generation Payload.MediaType</AssemblyTitle>
+    <Version>1.0.0-beta.1</Version>
+    <PackageTags>Payload.MediaType</PackageTags>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="System.ClientModel" Version="1.1.0-beta.4" />
+    <PackageReference Include="System.Text.Json" Version="8.0.4" />
+  </ItemGroup>
+</Project>