[http-client-csharp] bump MGC version and implement the credential types (Azure#47528)

* bump version and implement the credential types

* bump version

* regen

* fix the issue and introduce test cases

Author: ArcturusZhang

eng/Packages.Data.props

@@ -259,7 +259,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(IsGeneratorLibrary)' == 'true'">
-    <PackageReference Update="Microsoft.Generator.CSharp.ClientModel" Version="1.0.0-alpha.20241128.1" />
+    <PackageReference Update="Microsoft.Generator.CSharp.ClientModel" Version="1.0.0-alpha.20241215.1" />
   </ItemGroup>
 
   <!--

eng/packages/http-client-csharp/generator/Azure.Generator/src/Azure.Generator.csproj

@@ -31,5 +31,5 @@
 		  <CopyToOutputDirectory>Always</CopyToOutputDirectory>
 		</Compile>
 	</ItemGroup>
-	
+
 </Project>

eng/packages/http-client-csharp/generator/Azure.Generator/src/AzureTypeFactory.cs

@@ -23,9 +23,6 @@ namespace Azure.Generator
     /// <inheritdoc/>
     public class AzureTypeFactory : ScmTypeFactory
     {
-        /// <inheritdoc/>
-        public override CSharpType KeyCredentialType => typeof(AzureKeyCredential);
-
         /// <inheritdoc/>
         public override IClientResponseApi ClientResponseApi => AzureClientResponseProvider.Instance;
 

eng/packages/http-client-csharp/generator/Azure.Generator/src/Providers/Abstraction/HttpPipelineProvider.cs

@@ -29,6 +29,10 @@ public HttpPipelineProvider(ValueExpression original) : base(typeof(HttpPipeline
 
         public override CSharpType PipelinePolicyType => typeof(HttpPipelinePolicy);
 
+        public override CSharpType? KeyCredentialType => typeof(AzureKeyCredential);
+
+        public override CSharpType? TokenCredentialType => typeof(TokenCredential);
+
         public override ValueExpression Create(ValueExpression options, ValueExpression perRetryPolicies)
             => Static(typeof(HttpPipelineBuilder)).Invoke(nameof(HttpPipelineBuilder.Build), [options, perRetryPolicies]);
 
@@ -38,8 +42,11 @@ public override ValueExpression CreateMessage(HttpRequestOptionsApi requestOptio
         public override ClientPipelineApi FromExpression(ValueExpression expression)
             => new HttpPipelineProvider(expression);
 
-        public override ValueExpression AuthorizationPolicy(params ValueExpression[] arguments)
-            => New.Instance(typeof(AzureKeyCredentialPolicy), arguments);
+        public override ValueExpression KeyAuthorizationPolicy(ValueExpression credential, ValueExpression headerName, ValueExpression? keyPrefix = null)
+            => New.Instance(typeof(AzureKeyCredentialPolicy), keyPrefix != null ? [credential, headerName, keyPrefix] : [credential, headerName]);
+
+        public override ValueExpression TokenAuthorizationPolicy(ValueExpression credential, ValueExpression scopes)
+            => New.Instance(typeof(BearerTokenAuthenticationPolicy), credential, scopes);
 
         public override ClientPipelineApi ToExpression() => this;
 

eng/packages/http-client-csharp/generator/Azure.Generator/src/Providers/Abstraction/StatusCodeClassifierProvider.cs

@@ -5,6 +5,8 @@
 using Microsoft.Generator.CSharp.ClientModel.Providers;
 using Microsoft.Generator.CSharp.Expressions;
 using Microsoft.Generator.CSharp.Primitives;
+using System.Collections.Generic;
+using System.Linq;
 using static Microsoft.Generator.CSharp.Snippets.Snippet;
 
 namespace Azure.Generator.Providers.Abstraction
@@ -23,6 +25,12 @@ public StatusCodeClassifierProvider(ValueExpression original) : base(typeof(Stat
         public override ValueExpression Create(int code)
             => New.Instance(typeof(StatusCodeClassifier), [New.Array(typeof(ushort), true, true, [Literal(code)])]);
 
+        public override ValueExpression Create(IEnumerable<int> codes)
+        {
+            var codeArgs = codes.Select(Literal).ToArray();
+            return New.Instance(typeof(StatusCodeClassifier), New.Array(typeof(ushort), true, true, codeArgs));
+        }
+
         public override StatusCodeClassifierApi FromExpression(ValueExpression original)
             => new StatusCodeClassifierProvider(original);
 

eng/packages/http-client-csharp/generator/Azure.Generator/test/Common/Helpers.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
+// Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
 using System.IO;
@@ -14,17 +14,17 @@ public static string GetExpectedFromFile(
             [CallerMemberName] string method = "",
             [CallerFilePath] string filePath = "")
         {
-            return File.ReadAllText(GetAssetFileOrDirectoryPath(true, parameters, method, filePath));
+            return File.ReadAllText(GetAssetFileOrDirectoryPath(true, parameters, method, filePath)).Replace("\r\n", "\n");
         }
 
-        public static string GetAssetFileOrDirectoryPath(
+        private static string GetAssetFileOrDirectoryPath(
             bool isFile,
             string? parameters = null,
             [CallerMemberName] string method = "",
             [CallerFilePath] string filePath = "")
         {
 
-            var callingClass =  Path.GetFileName(filePath).Split('.').First();
+            var callingClass = Path.GetFileName(filePath).Split('.').First();
             var paramString = parameters is null ? string.Empty : $"({parameters})";
             var extName = isFile ? ".cs" : string.Empty;
 

eng/packages/http-client-csharp/generator/Azure.Generator/test/Providers/Abstractions/AzureClientResponseProviderTests.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
+// Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
 using Azure.Generator.Tests.Common;