Add functional tests for external provider display name

test/Identity.FunctionalTests/ManagementTests.cs

@@ -7,6 +7,7 @@ using System.Linq;
 using System.Net;
 using System.Security.Claims;
 using System.Threading.Tasks;
+using AngleSharp.Dom.Html;
 using Identity.DefaultUI.WebSite;
 using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
 using Microsoft.AspNetCore.TestHost;
@@ -193,6 +194,31 @@ namespace Microsoft.AspNetCore.Identity.FunctionalTests
             AssertClaimsNotEqual(principals[0], principals[1], "AspNet.Identity.SecurityStamp");
         }
 
+        [Fact]
+        public async Task CanSeeExternalLoginProviderDisplayName()
+        {
+            // Arrange
+            void ConfigureTestServices(IServiceCollection services) => services.SetupTestThirdPartyLogin();
+
+            var server = ServerFactory
+                .WithWebHostBuilder(whb => whb.ConfigureTestServices(ConfigureTestServices));
+
+            var client = server.CreateClient();
+
+            // Act
+            var userName = Guid.NewGuid().ToString();
+            var email = $"{userName}@example.com";
+            var index = await UserStories.RegisterNewUserWithSocialLoginAsync(client, userName, email);
+            var manage = await index.ClickManageLinkWithExternalLoginAsync();
+            var externalLogins = await manage.ClickExternalLoginsAsync();
+
+            // Assert
+            var title = externalLogins.Document.GetElementsByTagName("h4").FirstOrDefault(e => e.TextContent == "Registered Logins");
+            var table = title?.NextElementSibling as IHtmlTableElement;
+            var firstCell = table?.Bodies?.FirstOrDefault()?.Rows.FirstOrDefault()?.Cells?.FirstOrDefault();
+            Assert.Equal("Contoso auth", firstCell?.TextContent);
+        }
+
         [Fact]
         public async Task CanResetAuthenticator()
         {

test/Identity.FunctionalTests/Pages/Account/ExternalLogin.cs

@@ -2,9 +2,12 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System.Collections.Generic;
+using System.Linq;
 using System.Net.Http;
 using System.Threading.Tasks;
 using AngleSharp.Dom.Html;
+using AngleSharp.Extensions;
+using Xunit;
 
 namespace Microsoft.AspNetCore.Identity.FunctionalTests.Account
 {
@@ -19,6 +22,10 @@ namespace Microsoft.AspNetCore.Identity.FunctionalTests.Account
             : base(client, externalLogin, context)
         {
             _emailForm = HtmlAssert.HasForm(Document);
+            var title = externalLogin.GetElementsByTagName("h4").FirstOrDefault(e => e.TextContent.StartsWith("Associate your"));
+            Assert.Equal("Associate your Contoso auth account.", title?.TextContent);
+            var info = externalLogin.QuerySelectorAll<IHtmlParagraphElement>(".text-info").FirstOrDefault(e => e.TextContent.Trim().StartsWith("You've successfully authenticated"));
+            Assert.StartsWith("You've successfully authenticated with Contoso auth.", info?.TextContent.Trim());
         }
 
         public async Task<Index> SendEmailAsync(string email)

test/Identity.FunctionalTests/Pages/Account/Manage/ExternalLogins.cs

@@ -0,0 +1,13 @@
+using System.Net.Http;
+using AngleSharp.Dom.Html;
+
+namespace Microsoft.AspNetCore.Identity.FunctionalTests.Account.Manage
+{
+    public class ExternalLogins : DefaultUIPage
+    {
+        public ExternalLogins(HttpClient client, IHtmlDocument externalLoginDocument, DefaultUIContext context)
+            : base(client, externalLoginDocument, context)
+        {
+        }
+    }
+}

test/Identity.FunctionalTests/Pages/Account/Manage/Index.cs

@@ -122,5 +122,13 @@ namespace Microsoft.AspNetCore.Identity.FunctionalTests.Account.Manage
 
             return new LinkExternalLogin(Client, externalLoginDocument, Context);
         }
+
+        public async Task<ExternalLogins> ClickExternalLoginsAsync()
+        {
+            var goToExternalLogin = await Client.GetAsync(_externalLoginLink.Href);
+            var externalLoginDocument = await ResponseAssert.IsHtmlDocumentAsync(goToExternalLogin);
+
+            return new ExternalLogins(Client, externalLoginDocument, Context);
+        }
     }
 }

test/WebSites/Identity.DefaultUI.WebSite/Services/ContosoAuthenticationConstants.cs

@@ -6,6 +6,6 @@ namespace Identity.DefaultUI.WebSite
     public static class ContosoAuthenticationConstants
     {
         public const string Scheme = "Contoso";
-        public const string DisplayName = "Contoso";
+        public const string DisplayName = "Contoso auth";
     }
 }