[Helix] Try running node services tests on helix again (#9046)

eng/helix/content/InstallNode.ps1

@@ -0,0 +1,71 @@
+ <# 
+ .SYNOPSIS 
+     Installs NodeJs from http://nodejs.org/dist on a machine
+ .DESCRIPTION 
+     This script installs NodeJs from http://nodejs.org/dist on a machine. 
+ .PARAMETER Version
+     The version of NodeJS to install.
+ .PARAMETER InstallDir
+     The directory to install NodeJS to.
+ .LINK 
+     https://nodejs.org/en/
+ #> 
+param(
+    [Parameter(Mandatory = $true)]
+    $Version,
+    
+    [Parameter(Mandatory = $true)]
+    $InstallDir
+)
+
+$ErrorActionPreference = 'Stop'
+$ProgressPreference = 'SilentlyContinue' # Workaround PowerShell/PowerShell#2138
+
+Set-StrictMode -Version 1
+
+if (Get-Command "node.exe" -ErrorAction SilentlyContinue)
+{
+    Write-Host "Found node.exe in PATH"
+    exit
+}
+
+if (Test-Path "$output_dir\node.exe")
+{
+    Write-Host "Node.exe found at $output_dir"
+    exit
+}
+
+$nodeFile="node-v$Version-win-x64"
+$url="http://nodejs.org/dist/v$Version/$nodeFile.zip"
+Write-Host "Starting download of NodeJs ${Version} from $url"
+Invoke-WebRequest -UseBasicParsing -Uri "$url" -OutFile "nodejs.zip"
+Write-Host "Done downloading NodeJS ${Version}"
+
+$tempPath = [System.IO.Path]::GetTempPath()
+$tempDir = Join-Path $tempPath nodejs
+New-Item -Path "$tempDir" -ItemType "directory" -Force
+Write-Host "Extracting to $tempDir"
+
+if (Get-Command -Name 'Microsoft.PowerShell.Archive\Expand-Archive' -ErrorAction Ignore) {
+    # Use built-in commands where possible as they are cross-plat compatible
+    Microsoft.PowerShell.Archive\Expand-Archive -Path "nodejs.zip" -DestinationPath $tempDir
+}
+else {
+    # Fallback to old approach for old installations of PowerShell
+    Add-Type -AssemblyName System.IO.Compression.FileSystem
+    [System.IO.Compression.ZipFile]::ExtractToDirectory("nodejs.zip", $tempDir)
+}
+
+Write-Host "Expanded NodeJs"
+New-Item -Path "$InstallDir" -ItemType "directory" -Force
+Write-Host "Copying $tempDir\$nodeFile\node.exe to $InstallDir"
+Copy-Item "$tempDir\$nodeFile\node.exe" "$InstallDir\node.exe"
+
+if (Test-Path "$InstallDir\node.exe")
+{
+    Write-Host "Node.exe copied to $InstallDir"
+}
+else
+{
+    Write-Host "Node.exe not copied to $InstallDir"
+}

eng/helix/content/installnode.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+# Cause the script to fail if any subcommand fails
+set -e
+
+if type -P "node" &>/dev/null; then
+    echo "node is in \$PATH"
+    exit
+fi
+
+node_version=$1
+osname=`uname -s`
+echo $osname
+if [ "$osname" = "Darwin" ]; then
+   platformarch='darwin-x64'
+else
+   platformarch='linux-x64'
+fi
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+output_dir="$DIR/node"
+url="http://nodejs.org/dist/v$node_version/node-v$node_version-$platformarch.tar.gz"
+tmp="$(mktemp -d -t install-node.XXXXXX)"
+trap "rm -rf $tmp" EXIT
+cd "$tmp"
+curl -Lsfo $(basename $url) "$url"
+echo "Installing node from $(basename $url) $url"
+mkdir $output_dir
+echo "Unpacking to $output_dir"
+tar --strip-components 1 -xzf "node-v$node_version-$platformarch.tar.gz" --no-same-owner --directory "$output_dir"

eng/helix/content/runtests.cmd

@@ -14,7 +14,7 @@ set DOTNET_SKIP_FIRST_TIME_EXPERIENCE=1
 set DOTNET_MULTILEVEL_LOOKUP=0
 set DOTNET_CLI_HOME=%HELIX_CORRELATION_PAYLOAD%\home
 
-set PATH=%DOTNET_ROOT%;%PATH%
+set PATH=%DOTNET_ROOT%;%PATH%;%HELIX_CORRELATION_PAYLOAD%\node\bin
 
 powershell.exe -NoProfile -ExecutionPolicy unrestricted -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; &([scriptblock]::Create((Invoke-WebRequest -useb 'https://dot.net/v1/dotnet-install.ps1'))) -Architecture x64 -Version %sdkVersion% -InstallDir %DOTNET_ROOT%"
 powershell.exe -NoProfile -ExecutionPolicy unrestricted -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; &([scriptblock]::Create((Invoke-WebRequest -useb 'https://dot.net/v1/dotnet-install.ps1'))) -Architecture x64 -Runtime dotnet -Version %runtimeVersion% -InstallDir %DOTNET_ROOT%"

eng/helix/content/runtests.sh

@@ -16,7 +16,7 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 export DOTNET_ROOT="$DIR/.dotnet$RANDOM"
 
 # Ensure dotnet comes first on PATH
-export PATH="$DOTNET_ROOT:$PATH"
+export PATH="$DOTNET_ROOT:$PATH:$DIR/node/bin"
 
 # Prevent fallback to global .NET locations. This ensures our tests use the shared frameworks we specify and don't rollforward to something else that might be installed on the machine
 export DOTNET_MULTILEVEL_LOOKUP=0

eng/targets/Helix.props

@@ -17,6 +17,7 @@
     <HelixTestName>$(MSBuildProjectName)/$(TargetFramework)</HelixTestName>
     <HelixUseArchive>false</HelixUseArchive>
     <LoggingTestingDisableFileLogging Condition="'$(IsHelixJob)' == 'true'">true</LoggingTestingDisableFileLogging>
+    <NodeVersion>10.15.3</NodeVersion>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'">
@@ -35,4 +36,12 @@
     <HelixPreCommand Include="call RunPowershell.cmd mssql\InstallSqlServerLocalDB.ps1 || exit /b 1" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TestDependsOnNode)' == 'true' AND '$(IsWindowsHelixQueue)' == 'false'">
+    <HelixPreCommand Include="./installnode.sh $(NodeVersion)" />
+  </ItemGroup>
+  
+  <ItemGroup Condition="'$(TestDependsOnNode)' == 'true' AND '$(IsWindowsHelixQueue)' == 'true'">
+    <HelixPreCommand Include="call RunPowershell.cmd InstallNode.ps1 $(NodeVersion) %25HELIX_CORRELATION_PAYLOAD%25\node\bin || exit /b 1" />
+  </ItemGroup>
+
 </Project>

src/Middleware/NodeServices/test/Microsoft.AspNetCore.NodeServices.Tests.csproj

@@ -2,19 +2,14 @@
 
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
-
-    <!-- Tests do not work on Helix or when bin/ directory is not in project directory due to undeclared dependency on test content. -->
-    <!-- https://github.com/aspnet/AspNetCore/issues/8044 -->
-    <BuildHelixPayload>false</BuildHelixPayload>
-    <BaseOutputPath />
-    <OutputPath />
-
+    <TestDependsOnNode>true</TestDependsOnNode>
   </PropertyGroup>
 
   <ItemGroup>
     <Reference Include="Microsoft.AspNetCore.NodeServices" />
     <Reference Include="Microsoft.AspNetCore.TestHost" />
     <Reference Include="Microsoft.Extensions.Logging.Testing" />
+    <Content Include="js\**\*" />   
   </ItemGroup>
 
 </Project>

src/Middleware/NodeServices/test/NodeServicesTest.cs

@@ -4,6 +4,7 @@
 using Microsoft.AspNetCore.NodeServices.HostingModels;
 using Microsoft.Extensions.DependencyInjection;
 using System;
+using System.IO;
 using System.Threading.Tasks;
 using Xunit;
 
@@ -115,7 +116,7 @@ namespace Microsoft.AspNetCore.NodeServices
         }
 
         private static string ModulePath(string testModuleName)
-            => $"../../../js/{testModuleName}";
+            => Path.Combine(AppContext.BaseDirectory, "js", testModuleName);
 
         public void Dispose()
         {