[release/6.0] Add support for minimal APIs in ApiDescription.Server (#44227)

* [release/6.0] Add support for minimal APIs in ApiDescription.Server

* [release/7.0] Quarantine `ClosingTheBrowserWindow_GracefullyDisconnects_TheCurrentCircuit` (#44186)

- #44185
- also upload test logs for forks

* Update CircuitGracefulTerminationTests.cs

Co-authored-by: Doug Bunting <6431421+dougbu@users.noreply.github.com>

9 files changed, 139 insertions, 13 deletions

diff --git a/.azure/pipelines/components-e2e-tests.yml b/.azure/pipelines/components-e2e-tests.yml
index 057a640277..8e3b37199c 100644
--- a/.azure/pipelines/components-e2e-tests.yml
+++ b/.azure/pipelines/components-e2e-tests.yml
@@ -75,4 +75,5 @@ jobs:
     artifacts:
     - name: Components_E2E_Test_Logs
       path: '$(Build.SourcesDirectory)/artifacts/TestResults/$(BuildConfiguration)'
+      includeForks: true
       publishOnError: true
diff --git a/src/Components/test/E2ETest/ServerExecutionTests/CircuitGracefulTerminationTests.cs b/src/Components/test/E2ETest/ServerExecutionTests/CircuitGracefulTerminationTests.cs
index 7f14ac9b08..aba2951cf7 100644
--- a/src/Components/test/E2ETest/ServerExecutionTests/CircuitGracefulTerminationTests.cs
+++ b/src/Components/test/E2ETest/ServerExecutionTests/CircuitGracefulTerminationTests.cs
@@ -7,8 +7,8 @@ using System.Threading.Tasks;
 using BasicTestApp;
 using Microsoft.AspNetCore.Components.E2ETest.Infrastructure;
 using Microsoft.AspNetCore.Components.E2ETest.Infrastructure.ServerFixtures;
-using Microsoft.AspNetCore.Testing;
 using Microsoft.AspNetCore.E2ETesting;
+using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging.Testing;
 using OpenQA.Selenium;
@@ -66,6 +66,7 @@ namespace Microsoft.AspNetCore.Components.E2ETest.ServerExecutionTests
         }
 
         [Fact]
+        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/44185")]
         public async Task ClosingTheBrowserWindow_GracefullyDisconnects_TheCurrentCircuit()
         {
             // Arrange & Act
diff --git a/src/Tools/Extensions.ApiDescription.Server/src/Microsoft.Extensions.ApiDescription.Server.csproj b/src/Tools/Extensions.ApiDescription.Server/src/Microsoft.Extensions.ApiDescription.Server.csproj
index 712fa8362b..2db57db253 100644
--- a/src/Tools/Extensions.ApiDescription.Server/src/Microsoft.Extensions.ApiDescription.Server.csproj
+++ b/src/Tools/Extensions.ApiDescription.Server/src/Microsoft.Extensions.ApiDescription.Server.csproj
@@ -3,7 +3,7 @@
 
   <PropertyGroup>
     <!-- Included primarily to ensure dotnet-getdocument and GetDocument.Insider can be referenced. -->
-    <TargetFrameworks>netcoreapp2.1;$(DefaultNetFxTargetFramework)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.1;$(DefaultNetCoreTargetFramework);$(DefaultNetFxTargetFramework)</TargetFrameworks>
 
     <Description>MSBuild tasks and targets for build-time Swagger and OpenApi document generation</Description>
     <DisableImplicitFrameworkReferences>true</DisableImplicitFrameworkReferences>
@@ -19,12 +19,16 @@
       because publish output matches what was built.
     -->
     <Reference Include="dotnet-getdocument"
-        Targets="Publish"
-        ReferenceOutputAssembly="false"
-        SkipGetTargetFrameworkProperties="true"
-        UndefineProperties="TargetFramework;TargetFrameworks;RuntimeIdentifier;PublishDir" />
-    <Reference Include="GetDocument.Insider" ReferenceOutputAssembly="false">
-      <Targets Condition=" '$(TargetFramework)' == 'netcoreapp2.1' ">Publish</Targets>
+      Condition=" '$(TargetFramework)' != '$(DefaultNetFxTargetFramework)' "
+      Targets="Publish"
+      Private="false"
+      ReferenceOutputAssembly="false"
+      SkipGetTargetFrameworkProperties="true" />
+    <Reference Include="GetDocument.Insider"
+      Private="false"
+      ReferenceOutputAssembly="false"
+      SkipGetTargetFrameworkProperties="true">
+        <Targets Condition=" '$(TargetFramework)' != '$(DefaultNetFxTargetFramework)' ">Publish</Targets>
     </Reference>
   </ItemGroup>
 
diff --git a/src/Tools/Extensions.ApiDescription.Server/src/Microsoft.Extensions.ApiDescription.Server.nuspec b/src/Tools/Extensions.ApiDescription.Server/src/Microsoft.Extensions.ApiDescription.Server.nuspec
index a85edc2f4a..bc8028564e 100644
--- a/src/Tools/Extensions.ApiDescription.Server/src/Microsoft.Extensions.ApiDescription.Server.nuspec
+++ b/src/Tools/Extensions.ApiDescription.Server/src/Microsoft.Extensions.ApiDescription.Server.nuspec
@@ -12,5 +12,6 @@
     <file src="$artifactsBinDir$\GetDocument.Insider\$configuration$\net461\*.*" target="tools\net461" />
     <file src="$artifactsBinDir$\GetDocument.Insider\x86\$configuration$\net461\*.*" target="tools\net461-x86" />
     <file src="$artifactsBinDir$\GetDocument.Insider\$configuration$\netcoreapp2.1\publish\*.*" target="tools\netcoreapp2.1" />
+    <file src="$artifactsBinDir$\GetDocument.Insider\$configuration$\net6.0\publish\*.*" target="tools\net6.0" />
   </files>
 </package>
diff --git a/src/Tools/GetDocumentInsider/src/Commands/GetDocumentCommand.cs b/src/Tools/GetDocumentInsider/src/Commands/GetDocumentCommand.cs
index d115e46c86..dc3597bd28 100644
--- a/src/Tools/GetDocumentInsider/src/Commands/GetDocumentCommand.cs
+++ b/src/Tools/GetDocumentInsider/src/Commands/GetDocumentCommand.cs
@@ -5,7 +5,7 @@ using System;
 using System.IO;
 using System.Linq;
 using System.Reflection;
-#if NETCOREAPP2_1
+#if NETCOREAPP
 using System.Runtime.Loader;
 #endif
 using Microsoft.Extensions.CommandLineUtils;
@@ -69,7 +69,7 @@ namespace Microsoft.Extensions.ApiDescription.Tool.Commands
                 }
             }
 
-#if NETCOREAPP2_1
+#if NETCOREAPP
             AssemblyLoadContext.Default.Resolving += (loadContext, assemblyName) =>
             {
                 var name = assemblyName.Name;
diff --git a/src/Tools/GetDocumentInsider/src/Commands/GetDocumentCommandWorker.cs b/src/Tools/GetDocumentInsider/src/Commands/GetDocumentCommandWorker.cs
index 08946a297f..ec8d884559 100644
--- a/src/Tools/GetDocumentInsider/src/Commands/GetDocumentCommandWorker.cs
+++ b/src/Tools/GetDocumentInsider/src/Commands/GetDocumentCommandWorker.cs
@@ -2,13 +2,20 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.IO;
 using System.Reflection;
 using System.Text;
+using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Tools.Internal;
+#if NET6_0_OR_GREATER
+using Microsoft.AspNetCore.Hosting.Server;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.AspNetCore.Http.Features;
+#endif
 
 namespace Microsoft.Extensions.ApiDescription.Tool.Commands
 {
@@ -53,6 +60,88 @@ namespace Microsoft.Extensions.ApiDescription.Tool.Commands
                 return 3;
             }
 
+    #if NET6_0_OR_GREATER
+            // Register no-op implementations of IServer and IHostLifetime
+            // to prevent the application server from actually launching after build.
+            void ConfigureHostBuilder(object hostBuilder)
+            {
+                ((IHostBuilder)hostBuilder).ConfigureServices((context, services) =>
+                {
+                    services.AddSingleton<IServer, NoopServer>();
+                    services.AddSingleton<IHostLifetime, NoopHostLifetime>();
+                });
+            }
+
+            // Register a TCS to be invoked when the entrypoint (aka Program.Main)
+            // has finished running. For minimal APIs, this means that all app.X
+            // calls about the host has been built have been executed.
+            var waitForStartTcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
+            void OnEntryPointExit(Exception exception)
+            {
+                // If the entry point exited, we'll try to complete the wait
+                if (exception != null)
+                {
+                    waitForStartTcs.TrySetException(exception);
+                }
+                else
+                {
+                    waitForStartTcs.TrySetResult(null);
+                }
+            }
+
+            // Resolve the host factory, ensuring that we don't stop the
+            // application after the host has been built.
+            var factory = HostFactoryResolver.ResolveHostFactory(assembly,
+                stopApplication: false,
+                configureHostBuilder: ConfigureHostBuilder,
+                entrypointCompleted: OnEntryPointExit);
+
+            if (factory == null)
+            {
+                _reporter.WriteError(Resources.FormatMethodsNotFound(
+                    HostFactoryResolver.BuildWebHost,
+                    HostFactoryResolver.CreateHostBuilder,
+                    HostFactoryResolver.CreateWebHostBuilder,
+                    entryPointType));
+
+                return 8;
+            }
+
+            try
+            {
+                // Retrieve the service provider from the target host.
+                var services = ((IHost)factory(new[] { $"--{HostDefaults.ApplicationKey}={assemblyName}" })).Services;
+                if (services == null)
+                {
+                    _reporter.WriteError(Resources.FormatServiceProviderNotFound(
+                        typeof(IServiceProvider),
+                        HostFactoryResolver.BuildWebHost,
+                        HostFactoryResolver.CreateHostBuilder,
+                        HostFactoryResolver.CreateWebHostBuilder,
+                        entryPointType));
+
+                    return 9;
+                }
+
+                // Wait for the application to start to ensure that all configurations
+                // on the WebApplicationBuilder have been processed.
+                var applicationLifetime = services.GetRequiredService<IHostApplicationLifetime>();
+                using (var registration = applicationLifetime.ApplicationStarted.Register(() => waitForStartTcs.TrySetResult(null)))
+                {
+                    waitForStartTcs.Task.Wait();
+                    var success = GetDocuments(services);
+                    if (!success)
+                    {
+                        return 10;
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _reporter.WriteError(ex.ToString());
+                return 11;
+            }
+    #else
             try
             {
                 var serviceFactory = HostFactoryResolver.ResolveServiceProviderFactory(assembly);
@@ -91,6 +180,7 @@ namespace Microsoft.Extensions.ApiDescription.Tool.Commands
                 _reporter.WriteError(ex.ToString());
                 return 7;
             }
+    #endif
 
             return 0;
         }
@@ -303,5 +393,22 @@ namespace Microsoft.Extensions.ApiDescription.Tool.Commands
 
             return result;
         }
+
+    #if NET6_0_OR_GREATER
+            private sealed class NoopHostLifetime : IHostLifetime
+            {
+                public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+                public Task WaitForStartAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+            }
+
+            private sealed class NoopServer : IServer
+            {
+                public IFeatureCollection Features { get; } = new FeatureCollection();
+                public void Dispose() { }
+                public Task StartAsync<TContext>(IHttpApplication<TContext> application, CancellationToken cancellationToken) => Task.CompletedTask;
+                public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+
+            }
+    #endif
     }
 }
diff --git a/src/Tools/GetDocumentInsider/src/GetDocument.Insider.csproj b/src/Tools/GetDocumentInsider/src/GetDocument.Insider.csproj
index 323336d985..01e9549aec 100644
--- a/src/Tools/GetDocumentInsider/src/GetDocument.Insider.csproj
+++ b/src/Tools/GetDocumentInsider/src/GetDocument.Insider.csproj
@@ -5,7 +5,7 @@
     <IsPackable>false</IsPackable>
     <OutputType>Exe</OutputType>
     <RootNamespace>Microsoft.Extensions.ApiDescription.Tool</RootNamespace>
-    <TargetFrameworks>netcoreapp2.1;$(DefaultNetFxTargetFramework)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.1;$(DefaultNetCoreTargetFramework);$(DefaultNetFxTargetFramework)</TargetFrameworks>
     <IsShippingPackage>false</IsShippingPackage>
   </PropertyGroup>
 
@@ -13,6 +13,11 @@
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)' == '$(DefaultNetCoreTargetFramework)'">
+    <Reference Include="Microsoft.AspNetCore.Hosting.Server.Abstractions" />
+    <Reference Include="Microsoft.Extensions.Hosting.Abstractions" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="4.6.0">
       <AllowExplicitReference>true</AllowExplicitReference>
diff --git a/src/Tools/dotnet-getdocument/src/Commands/InvokeCommand.cs b/src/Tools/dotnet-getdocument/src/Commands/InvokeCommand.cs
index 45f7776aba..aca43a840a 100644
--- a/src/Tools/dotnet-getdocument/src/Commands/InvokeCommand.cs
+++ b/src/Tools/dotnet-getdocument/src/Commands/InvokeCommand.cs
@@ -79,9 +79,16 @@ namespace Microsoft.Extensions.ApiDescription.Tool.Commands
                                 projectName,
                                 targetFramework.Version));
                         }
+                        else if (targetFramework.Version >= new Version(6, 0))
+                        {
+                            toolsDirectory = Path.Combine(thisPath, $"net{targetFramework.Version}");
+                        }
+                        else
+                        {
+                            toolsDirectory = Path.Combine(thisPath, "netcoreapp2.1");
+                        }
 
                         executable = DotNetMuxer.MuxerPathOrDefault();
-                        toolsDirectory = Path.Combine(thisPath, "netcoreapp2.1");
 
                         args.Add("exec");
                         args.Add("--depsFile");
diff --git a/src/Tools/dotnet-getdocument/src/dotnet-getdocument.csproj b/src/Tools/dotnet-getdocument/src/dotnet-getdocument.csproj
index 7bcdcbcd7a..3b37a5ea78 100644
--- a/src/Tools/dotnet-getdocument/src/dotnet-getdocument.csproj
+++ b/src/Tools/dotnet-getdocument/src/dotnet-getdocument.csproj
@@ -5,7 +5,7 @@
     <IsPackable>false</IsPackable>
     <OutputType>Exe</OutputType>
     <RootNamespace>Microsoft.Extensions.ApiDescription.Tool</RootNamespace>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFrameworks>netcoreapp2.1;$(DefaultNetCoreTargetFramework)</TargetFrameworks>
     <UseAppHost>false</UseAppHost>
     <IsShippingPackage>false</IsShippingPackage>
   </PropertyGroup>