Run the LocalTests in CI (#15770)

It was very bad. We had to disable 14 failing tests.

build/pipelines/ci.yml

@@ -87,6 +87,13 @@ stages:
             buildConfigurations: [Release]
             buildEverything: true
             keepAllExpensiveBuildOutputs: false
+            ${{ if eq(parameters.runTests, true) }}:
+              # Copy the appx files into the bin drop because the LocalTests need them
+              afterBuildSteps:
+                - pwsh: |-
+                    $deps = ./build/scripts/Get-DependenciesFromAppxRecipe.ps1 -Path "$(Terminal.BinDir)/TestHostApp/TestHostApp.build.appxrecipe"
+                    $dir = New-Item -Type Directory "$(Terminal.BinDir)/_testDeps"
+                    $deps | Copy-Item -Destination $dir -Verbose
 
     - ${{ if eq(parameters.runTests, true) }}:
       - stage: Test_${{ platform }}

build/pipelines/templates-v2/job-build-project.yml

@@ -71,6 +71,9 @@ parameters:
   - name: enableCaching
     type: boolean
     default: false
+  - name: afterBuildSteps
+    type: stepList
+    default: []
 
 jobs:
 - job: ${{ parameters.jobName }}
@@ -210,6 +213,8 @@ jobs:
           contents: $(Build.SourcesDirectory)/MSBuildCacheLogs/**
           TargetFolder: $(Terminal.BinDir)/MSBuildCacheLogs
 
+  - ${{ parameters.afterBuildSteps }}
+
   # This saves ~2GiB per architecture. We won't need these later.
   # Removes:
   # - All .lib that do not have an associated .exp (which would indicate that they are import libs)

build/pipelines/templates-v2/job-test-project.yml

@@ -58,6 +58,24 @@ jobs:
         filePath: build\scripts\Run-Tests.ps1
         arguments: -MatchPattern '*feature.test*.dll' -Platform '$(OutputBuildPlatform)' -Configuration '$(BuildConfiguration)' -LogPath '${{ parameters.testLogPath }}' -Root "$(Terminal.BinDir)"
 
+    # Load-bearing: This needs to be Windows PowerShell, not pwsh, due to Add-AppxPackage not working in pwsh.
+    - powershell: |-
+        $deps = Get-ChildItem -Recurse "$(Terminal.BinDir)/_testDeps"
+        $deps | % {
+          Write-Host "Installing $($_.FullName)..."
+          Add-AppxPackage -Path $_.FullName -ErrorAction:Ignore
+        }
+      displayName: 'Install LocalTest Dependencies'
+
+    - task: PowerShell@2
+      displayName: 'Run Local Tests'
+      inputs:
+        pwsh: true
+        targetType: filePath
+        filePath: build\scripts\Run-Tests.ps1
+        arguments: -MatchPattern '*LocalTests*.dll' -Platform '$(OutputBuildPlatform)' -Configuration '$(BuildConfiguration)' -LogPath '${{ parameters.testLogPath }}' -Root "$(Terminal.BinDir)"
+      condition: and(succeeded(), ne(variables['PGOBuildMode'], 'Instrument'))
+
   - task: PowerShell@2
     displayName: 'Convert Test Logs from WTL to xUnit format'
     condition: always()

build/scripts/Get-DependenciesFromAppxRecipe.ps1

@@ -0,0 +1,17 @@
+[CmdletBinding()]
+Param(
+    [Parameter(Mandatory=$true, ValueFromPipeline=$true,
+      HelpMessage="Path to the .appxrecipe to parse")]
+    [string]
+    $Path
+)
+
+$Recipe = [xml](Get-Content $Path)
+$ResolvedSDKReferences = $Recipe.Project.ItemGroup.ResolvedSDKReference
+
+$ResolvedSDKReferences |
+    Where-Object Architecture -eq $Recipe.Project.PropertyGroup.PackageArchitecture |
+    ForEach-Object {
+        $l = [Uri]::UnescapeDataString($_.AppxLocation)
+        Get-Item $l
+    }