Http2 test for IIS (#14644)

src/Servers/IIS/IIS/test/Common.FunctionalTests/ClientCertificateTests.cs

@@ -54,7 +54,7 @@ namespace Microsoft.AspNetCore.Server.IIS.FunctionalTests
             var port = TestPortHelper.GetNextSSLPort();
             var deploymentParameters = Fixture.GetBaseDeploymentParameters(variant);
             deploymentParameters.ApplicationBaseUriHint = $"https://localhost:{port}/";
-            deploymentParameters.AddHttpsToServerConfig();
+            deploymentParameters.AddHttpsWithClientCertToServerConfig();
 
             var handler = new HttpClientHandler
             {

src/Servers/IIS/IIS/test/Common.FunctionalTests/HttpsTests.cs

@@ -1,6 +1,7 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
+using System;
 using System.Linq;
 using System.Net;
 using System.Net.Http;
@@ -79,6 +80,7 @@ namespace Microsoft.AspNetCore.Server.IIS.FunctionalTests
             var deploymentParameters = Fixture.GetBaseDeploymentParameters(HostingModel.InProcess);
             deploymentParameters.ApplicationBaseUriHint = $"https://localhost:{port}/";
             deploymentParameters.AddHttpsToServerConfig();
+            deploymentParameters.SetWindowsAuth(false);
             deploymentParameters.AddServerConfigAction(
                 (element, root) => {
                     element.Descendants("site").Single().Element("application").SetAttributeValue("path", "/" + appName);
@@ -87,10 +89,27 @@ namespace Microsoft.AspNetCore.Server.IIS.FunctionalTests
 
             var deploymentResult = await DeployAsync(deploymentParameters);
             var client = CreateNonValidatingClient(deploymentResult);
-
             Assert.Equal(deploymentParameters.ApplicationBaseUriHint + appName, await client.GetStringAsync($"/{appName}/ServerAddresses"));
         }
 
+        [ConditionalFact]
+        [RequiresNewHandler]
+        [OSSkipCondition(OperatingSystems.Windows, WindowsVersions.Win7, WindowsVersions.Win81)]
+        public async Task CheckProtocolIsHttp2()
+        {
+            var port = TestPortHelper.GetNextSSLPort();
+            var deploymentParameters = Fixture.GetBaseDeploymentParameters(HostingModel.InProcess);
+            deploymentParameters.ApplicationBaseUriHint = $"https://localhost:{port}/";
+            deploymentParameters.AddHttpsToServerConfig();
+            deploymentParameters.SetWindowsAuth(false);
+
+            var deploymentResult = await DeployAsync(deploymentParameters);
+            var client = CreateNonValidatingClient(deploymentResult);
+            client.DefaultRequestVersion = HttpVersion.Version20;
+
+            Assert.Equal("HTTP/2", await client.GetStringAsync($"/CheckProtocol"));
+        }
+
         [ConditionalFact]
         [RequiresNewHandler]
         [RequiresNewShim]

src/Servers/IIS/IIS/test/testassets/InProcessWebSite/Startup.cs

@@ -63,6 +63,11 @@ namespace TestSite
             await ctx.Response.WriteAsync(string.Join(",", serverAddresses.Addresses));
         }
 
+        private async Task CheckProtocol(HttpContext ctx)
+        {
+            await ctx.Response.WriteAsync(ctx.Request.Protocol);
+        }
+
         private async Task ConsoleWrite(HttpContext ctx)
         {
             Console.WriteLine("TEST MESSAGE");

src/Servers/IIS/IntegrationTesting.IIS/src/IISDeploymentParameterExtensions.cs

@@ -27,6 +27,21 @@ namespace Microsoft.AspNetCore.Server.IntegrationTesting.IIS
         }
 
         public static void AddHttpsToServerConfig(this IISDeploymentParameters parameters)
+        {
+            parameters.AddServerConfigAction(
+                element =>
+                {
+                    element.Descendants("binding")
+                        .Single()
+                        .SetAttributeValue("protocol", "https");
+
+                    element.Descendants("access")
+                        .Single()
+                        .SetAttributeValue("sslFlags", "None");
+                });
+        }
+
+        public static void AddHttpsWithClientCertToServerConfig(this IISDeploymentParameters parameters)
         {
             parameters.AddServerConfigAction(
                 element =>