[IDP-623] Fix auth scheme not propagating. (#32)

Author: Zav

src/Workleap.AspNetCore.Authentication.ClientCredentialsGrant/AuthenticationBuilderExtensions.cs

@@ -37,7 +37,7 @@ public static AuthenticationBuilder AddClientCredentials(this AuthenticationBuil
             configSection.Bind(options);
         });
 
-        builder.AddJwtBearer(ClientCredentialsDefaults.AuthenticationScheme, configureOptions);
+        builder.AddJwtBearer(authScheme, configureOptions);
 
         var tokenHandlerNamedConfigureOptionsAlreadyAdded = builder.Services.Any(x => IsDescriptorOfJwtBearerOptionsValidator(x, authScheme));
         if (!tokenHandlerNamedConfigureOptionsAlreadyAdded)

src/Workleap.Authentication.ClientCredentialsGrant.Tests/AuthenticationBuilderExtensionsTests.cs

@@ -133,6 +133,25 @@ public void GivenAnAuthenticationBuilder_WhenConfigsArePresent_ThenOptionsAreSet
         Assert.Throws<OptionsValidationException>(() => sp.GetRequiredService<IOptionsSnapshot<JwtBearerOptions>>().Get(ClientCredentialsDefaults.AuthenticationScheme));
     }
 
+    [Fact]
+    public void GivenAnAuthenticationBuilderWithACustomAuthScheme_WhenAddClientCredentials_ThenAuthSchemeIsSet()
+    {
+        var services = new ServiceCollection();
+        var configuration = new ConfigurationBuilder().Build();
+        services.AddSingleton<IConfiguration>(configuration);
+
+        services.AddAuthentication().AddClientCredentials("CustomScheme", options =>
+        {
+            options.Audience = "audience";
+            options.Authority = "https://identity.local";
+        });
+
+        var sp = services.BuildServiceProvider();
+        var jwtBearerOptions = sp.GetRequiredService<IOptionsSnapshot<JwtBearerOptions>>().Get("CustomScheme");
+
+        Assert.NotNull(jwtBearerOptions);
+    }
+
     [Fact]
     public void GivenNoAuthenticationBuilder_WhenCalling_ThrowArgumentNullException()
     {