Switch StandaloneApp6x to pre-built test asset (#94590)

- Add pre-built test asset for a self-contained net6.0 version of existing `HelloWorld` test asset
- Update `HostVersionCompatibility` tests to use the new test asset

eng/Subsets.props

@@ -489,8 +489,7 @@
 
   <!-- Host.pretest subset (consumes live built libraries assets so needs to come after libraries) -->
   <ItemGroup Condition="$(_subset.Contains('+host.pretest+'))">
-    <ProjectToBuild Include="$(InstallerProjectRoot)tests\Assets\Projects\AppWithSubDirs\AppWithSubDirs.csproj" Category="host" />
-    <ProjectToBuild Include="$(InstallerProjectRoot)tests\Assets\Projects\HelloWorld\HelloWorld.csproj" Category="host" />
+    <ProjectToBuild Include="$(InstallerProjectRoot)tests\Assets\Projects\**\*.csproj" Category="host" />
   </ItemGroup>
 
   <!-- Host.tests subset (consumes live built libraries assets so needs to come after libraries) -->

src/installer/tests/Assets/Projects/Directory.Build.props

@@ -4,7 +4,7 @@
   <PropertyGroup>
     <EnableDefaultItems>true</EnableDefaultItems>
     <UseLocalTargetingRuntimePack>true</UseLocalTargetingRuntimePack>
-    <UseAppHost>false</UseAppHost>
+    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <OutputPath>$(ArtifactsDir)tests\host\$(TargetOS).$(TargetArchitecture).$(Configuration)\$(MSBuildProjectName)</OutputPath>
   </PropertyGroup>

src/installer/tests/Assets/Projects/Directory.Build.targets

@@ -3,6 +3,10 @@
 
   <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.targets, $(MSBuildThisFileDirectory)..))" />
 
+  <PropertyGroup>
+    <UseAppHost Condition="'$(UseAppHost)' == '' and '$(SelfContained)' != 'true'">false</UseAppHost>
+  </PropertyGroup>
+
   <!-- Override target from targetingpacks.targets. Use Version instead of ProductVersion (written into runtimeconfig.json).
        Host tests are run against the built shared framework that has the normal version (with suffixes)  -->
   <Target Name="UpdateRuntimeFrameworkVersion"

src/installer/tests/Assets/Projects/HelloWorld/SelfContained.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <AssemblyName>HelloWorld</AssemblyName>
+    <TargetFramework>net6.0</TargetFramework>
+    <OutputType>Exe</OutputType>
+    <SelfContained>true</SelfContained>
+    <AppendTargetFrameworkToOutputPath>true</AppendTargetFrameworkToOutputPath>
+    <UseLocalTargetingRuntimePack>false</UseLocalTargetingRuntimePack>
+
+    <!-- Set the RID when building on a platform where we support self-contained + apphost -->
+    <RuntimeIdentifier Condition="'$(TargetsLinux)' == 'true' or '$(TargetsOSX)' == 'true' or '$(TargetsWindows)' == 'true'">$(OutputRID)</RuntimeIdentifier>
+  </PropertyGroup>
+</Project>

src/installer/tests/HostActivation.Tests/HostVersionCompatibility.cs

@@ -21,22 +21,23 @@ public HostVersionCompatibility(SharedTestState fixture)
         [Fact]
         public void LatestHost_OldRuntime_BackwardsCompatible_60()
         {
-            LatestHost_OldRuntime_BackwardsCompatible(sharedTestState.Fixture60);
+            LatestHost_OldRuntime_BackwardsCompatible(sharedTestState.App60);
         }
 
-        private void LatestHost_OldRuntime_BackwardsCompatible(TestProjectFixture previousVersionFixture)
+        private void LatestHost_OldRuntime_BackwardsCompatible(TestApp previousVersionApp)
         {
-            TestProjectFixture fixture = previousVersionFixture.Copy();
-            string appExe = fixture.TestProject.AppExe;
+            TestApp app = previousVersionApp.Copy();
+            string appExe = app.AppExe;
 
-            Assert.NotEqual(fixture.Framework, RepoDirectoriesProvider.Default.Tfm);
-            Assert.NotEqual(fixture.RepoDirProvider.MicrosoftNETCoreAppVersion, RepoDirectoriesProvider.Default.MicrosoftNETCoreAppVersion);
+            RuntimeConfig appConfig = RuntimeConfig.FromFile(app.RuntimeConfigJson);
+            Assert.NotEqual(appConfig.Tfm, RepoDirectoriesProvider.Default.Tfm);
+            Assert.NotEqual(appConfig.GetIncludedFramework(Constants.MicrosoftNETCoreApp).Version, RepoDirectoriesProvider.Default.MicrosoftNETCoreAppVersion);
 
             // Use the newer apphost
             // This emulates the case when:
             //  1) Newer runtime installed
             //  2) Newer runtime uninstalled (installer preserves newer apphost)
-            fixture.TestProject.BuiltApp.CreateAppHost();
+            app.CreateAppHost();
             Command.Create(appExe)
                 .EnableTracingAndCaptureOutputs()
                 .Execute()
@@ -48,7 +49,7 @@ private void LatestHost_OldRuntime_BackwardsCompatible(TestProjectFixture previo
             // This emulates the case when:
             //  1) Newer runtime installed
             //  2) A roll-forward to the newer runtime did not occur
-            File.Copy(Binaries.HostFxr.FilePath, fixture.TestProject.HostFxrDll, true);
+            File.Copy(Binaries.HostFxr.FilePath, app.HostFxrDll, true);
             Command.Create(appExe)
                 .EnableTracingAndCaptureOutputs()
                 .Execute()
@@ -60,28 +61,30 @@ private void LatestHost_OldRuntime_BackwardsCompatible(TestProjectFixture previo
         [Fact]
         public void OldHost_LatestRuntime_ForwardCompatible_60()
         {
-            OldHost_LatestRuntime_ForwardCompatible(sharedTestState.Fixture60);
+            OldHost_LatestRuntime_ForwardCompatible(sharedTestState.App60);
         }
 
-        private void OldHost_LatestRuntime_ForwardCompatible(TestProjectFixture previousVersionFixture)
+        private void OldHost_LatestRuntime_ForwardCompatible(TestApp previousVersionApp)
         {
             TestApp app = sharedTestState.AppLatest.Copy();
             string appExe = app.AppExe;
 
-            Assert.NotEqual(RepoDirectoriesProvider.Default.Tfm, previousVersionFixture.Framework);
-            Assert.NotEqual(RepoDirectoriesProvider.Default.MicrosoftNETCoreAppVersion, previousVersionFixture.RepoDirProvider.MicrosoftNETCoreAppVersion);
+            RuntimeConfig previousAppConfig = RuntimeConfig.FromFile(previousVersionApp.RuntimeConfigJson);
+            string previousVersion = previousAppConfig.GetIncludedFramework(Constants.MicrosoftNETCoreApp).Version;
+            Assert.NotEqual(RepoDirectoriesProvider.Default.Tfm, previousAppConfig.Tfm);
+            Assert.NotEqual(RepoDirectoriesProvider.Default.MicrosoftNETCoreAppVersion, previousVersion);
 
             // Use the older apphost
             // This emulates the case when:
             //  1) Newer runtime installed
             //  2) App rolls forward to newer runtime
-            File.Copy(previousVersionFixture.TestProject.AppExe, appExe, true);
+            File.Copy(previousVersionApp.AppExe, appExe, true);
             Command.Create(appExe)
                 .EnableTracingAndCaptureOutputs()
                 .Execute()
                 .Should().Pass()
                 .And.HaveStdOutContaining("Hello World")
-                .And.HaveStdErrContaining($"--- Invoked apphost [version: {previousVersionFixture.RepoDirProvider.MicrosoftNETCoreAppVersion}");
+                .And.HaveStdErrContaining($"--- Invoked apphost [version: {previousVersion}");
 
             // Use the older apphost and hostfxr
             // This emulates the case when:
@@ -90,53 +93,36 @@ private void OldHost_LatestRuntime_ForwardCompatible(TestProjectFixture previous
             //     Note that we don't have multi-level on hostfxr so we will always find the older\one-off hostfxr
             if (OperatingSystem.IsWindows())
             {
-                File.Copy(previousVersionFixture.TestProject.HostFxrDll, app.HostFxrDll, true);
+                File.Copy(previousVersionApp.HostFxrDll, app.HostFxrDll, true);
                 Command.Create(appExe)
                     .EnableTracingAndCaptureOutputs()
                     .Execute()
                     .Should().Pass()
                     .And.HaveStdOutContaining("Hello World")
-                    .And.HaveStdErrContaining($"--- Invoked apphost [version: {previousVersionFixture.RepoDirProvider.MicrosoftNETCoreAppVersion}");
+                    .And.HaveStdErrContaining($"--- Invoked apphost [version: {previousVersion}");
             }
         }
 
         public class SharedTestState : IDisposable
         {
-            private static RepoDirectoriesProvider RepoDirectories { get; set; }
-
-            public TestProjectFixture Fixture60 { get; }
+            public TestApp App60 { get; }
             public TestApp AppLatest { get; }
 
             private const string AppName = "HelloWorld";
 
             public SharedTestState()
             {
-                RepoDirectories = new RepoDirectoriesProvider();
-
-                Fixture60 = CreateTestFixture("StandaloneApp6x", "net6.0", "6.0");
+                App60 = TestApp.CreateFromBuiltAssets(AppName, Path.Combine("SelfContained", "net6.0"));
 
                 AppLatest = TestApp.CreateFromBuiltAssets(AppName);
                 AppLatest.PopulateSelfContained(TestApp.MockedComponent.None);
             }
 
             public void Dispose()
             {
-                Fixture60.Dispose();
+                App60?.Dispose();
                 AppLatest?.Dispose();
             }
-
-            private static TestProjectFixture CreateTestFixture(string testName, string netCoreAppFramework, string mnaVersion)
-            {
-                var repoDirectories = new RepoDirectoriesProvider(microsoftNETCoreAppVersion: mnaVersion);
-
-                // Use standalone instead of framework-dependent for ease of deployment.
-                var publishFixture = new TestProjectFixture(testName, repoDirectories, framework: netCoreAppFramework, assemblyName: AppName);
-                publishFixture
-                    .EnsureRestoredForRid(publishFixture.CurrentRid)
-                    .PublishProject(runtime: publishFixture.CurrentRid, selfContained: true, extraArgs: $"/p:AssemblyName={AppName}");
-
-                return publishFixture;
-            }
         }
     }
 }

src/installer/tests/TestUtils/RuntimeConfig.cs

@@ -172,6 +172,8 @@ public static RuntimeConfig Path(string path)
             return new RuntimeConfig(path);
         }
 
+        public string Tfm => _tfm;
+
         public Framework GetFramework(string name)
         {
             return _frameworks.FirstOrDefault(f => f.Name == name);
@@ -199,6 +201,11 @@ public RuntimeConfig RemoveFramework(string name)
             return this;
         }
 
+        public Framework GetIncludedFramework(string name)
+        {
+            return _includedFrameworks.FirstOrDefault(f => f.Name == name);
+        }
+
         public RuntimeConfig WithIncludedFramework(Framework framework)
         {
             _includedFrameworks.Add(framework);

src/installer/tests/TestUtils/TestApp.cs

@@ -50,11 +50,20 @@ public static TestApp CreateEmpty(string name)
             };
         }
 
-        public static TestApp CreateFromBuiltAssets(string appName)
+        /// <summary>
+        /// Create a test app from pre-built output of <paramref name="appName"/>.
+        /// </summary>
+        /// <param name="appName">Name of pre-built app</param>
+        /// <param name="assetRelativePath">Path to asset - relative to the directory containing all pre-built assets</param>
+        /// <returns>
+        /// If <paramref name="assetRelativePath"/> is <c>null</c>, <paramref name="appName"/> is used as the relative path.
+        /// </returns>
+        public static TestApp CreateFromBuiltAssets(string appName, string assetRelativePath = null)
         {
+            assetRelativePath = assetRelativePath ?? appName;
             TestApp app = CreateEmpty(appName);
             TestArtifact.CopyRecursive(
-                Path.Combine(RepoDirectoriesProvider.Default.TestAssetsOutput, appName),
+                Path.Combine(RepoDirectoriesProvider.Default.TestAssetsOutput, assetRelativePath),
                 app.Location);
             return app;
         }