Windows-powershell / PowerShell-master /test /powershell /Modules /Microsoft.PowerShell.Management /Start-Process.Tests.ps1
| # Copyright (c) Microsoft Corporation. | |
| # Licensed under the MIT License. | |
| Describe "Start-Process" -Tag "Feature","RequireAdminOnWindows" { | |
| BeforeAll { | |
| $isNanoServer = [System.Management.Automation.Platform]::IsNanoServer | |
| $isIot = [System.Management.Automation.Platform]::IsIoT | |
| $isFullWin = $IsWindows -and !$isNanoServer -and !$isIot | |
| $extraArgs = @{} | |
| if ($isFullWin) { | |
| $extraArgs.WindowStyle = "Hidden" | |
| } | |
| $pingCommand = (Get-Command -CommandType Application ping)[0].Definition | |
| $pingDirectory = Split-Path $pingCommand -Parent | |
| $tempFile = Join-Path -Path $TestDrive -ChildPath PSTest | |
| $tempDirectory = Join-Path -Path $TestDrive -ChildPath 'PSPath[]' | |
| New-Item $tempDirectory -ItemType Directory -Force | |
| $assetsFile = Join-Path -Path (Join-Path -Path $PSScriptRoot -ChildPath assets) -ChildPath SortTest.txt | |
| if ($IsWindows) { | |
| $pingParam = "-n 2 localhost" | |
| } | |
| elseif ($IsLinux -Or $IsMacOS) { | |
| $pingParam = "-c 2 localhost" | |
| } | |
| } | |
| # Note that ProcessName may still be `powershell` due to dotnet/corefx#5378 | |
| # This has been fixed on Linux, but not on macOS | |
| It "Should process arguments without error" { | |
| $process = Start-Process ping -ArgumentList $pingParam -PassThru -RedirectStandardOutput "$TESTDRIVE/output" @extraArgs | |
| $process.Length | Should -Be 1 | |
| $process.Id | Should -BeGreaterThan 1 | |
| # $process.ProcessName | Should -Be "ping" | |
| } | |
| It "Should work correctly when used with full path name" { | |
| $process = Start-Process $pingCommand -ArgumentList $pingParam -PassThru -RedirectStandardOutput "$TESTDRIVE/output" @extraArgs | |
| $process.Length | Should -Be 1 | |
| $process.Id | Should -BeGreaterThan 1 | |
| # $process.ProcessName | Should -Be "ping" | |
| } | |
| It "Should invoke correct path when used with FilePath argument" { | |
| $process = Start-Process -FilePath $pingCommand -ArgumentList $pingParam -PassThru -RedirectStandardOutput "$TESTDRIVE/output" @extraArgs | |
| $process.Length | Should -Be 1 | |
| $process.Id | Should -BeGreaterThan 1 | |
| # $process.ProcessName | Should -Be "ping" | |
| } | |
| It "Should invoke correct path when used with Path alias argument" { | |
| $process = Start-Process -Path $pingCommand -ArgumentList $pingParam -PassThru -RedirectStandardOutput "$TESTDRIVE/output" @extraArgs | |
| $process.Length | Should -Be 1 | |
| $process.Id | Should -BeGreaterThan 1 | |
| } | |
| It "Should wait for command completion if used with Wait argument" { | |
| $process = Start-Process ping -ArgumentList $pingParam -Wait -PassThru -RedirectStandardOutput "$TESTDRIVE/output" @extraArgs | |
| } | |
| It "Should work correctly with WorkingDirectory argument" { | |
| $process = Start-Process ping -WorkingDirectory $pingDirectory -ArgumentList $pingParam -PassThru -RedirectStandardOutput "$TESTDRIVE/output" @extraArgs | |
| $process.Length | Should -Be 1 | |
| $process.Id | Should -BeGreaterThan 1 | |
| # $process.ProcessName | Should -Be "ping" | |
| } | |
| It "Should work correctly within an unspecified WorkingDirectory with wildcard-type characters" { | |
| Push-Location -LiteralPath $tempDirectory | |
| $process = Start-Process ping -ArgumentList $pingParam -PassThru -RedirectStandardOutput "$TESTDRIVE/output" @extraArgs | |
| $process.Length | Should -Be 1 | |
| $process.Id | Should -BeGreaterThan 1 | |
| # $process.ProcessName | Should -Be "ping" | |
| Pop-Location | |
| } | |
| It "Should handle stderr redirection without error" { | |
| $process = Start-Process ping -ArgumentList $pingParam -PassThru -RedirectStandardError $tempFile -RedirectStandardOutput "$TESTDRIVE/output" @extraArgs | |
| $process.Length | Should -Be 1 | |
| $process.Id | Should -BeGreaterThan 1 | |
| # $process.ProcessName | Should -Be "ping" | |
| } | |
| It "Should handle stdout redirection without error" { | |
| $process = Start-Process ping -ArgumentList $pingParam -Wait -RedirectStandardOutput $tempFile @extraArgs | |
| $dirEntry = Get-ChildItem $tempFile | |
| $dirEntry.Length | Should -BeGreaterThan 0 | |
| } | |
| It "Should handle stdin redirection without error" { | |
| $process = Start-Process sort -Wait -RedirectStandardOutput $tempFile -RedirectStandardInput $assetsFile @extraArgs | |
| $dirEntry = Get-ChildItem $tempFile | |
| $dirEntry.Length | Should -BeGreaterThan 0 | |
| } | |
| ## -Verb is supported in PowerShell on Windows full desktop. | |
| It "Should give an error when -Verb parameter is used" -Skip:$isFullWin { | |
| { Start-Process -Verb runas -FilePath $pingCommand } | Should -Throw -ErrorId "NotSupportedException,Microsoft.PowerShell.Commands.StartProcessCommand" | |
| } | |
| ## -WindowStyle is supported in PowerShell on Windows full desktop. | |
| It "Should give an error when -WindowStyle parameter is used" -Skip:$isFullWin { | |
| { Start-Process -FilePath $pingCommand -WindowStyle Normal } | Should -Throw -ErrorId "NotSupportedException,Microsoft.PowerShell.Commands.StartProcessCommand" | |
| } | |
| It "Should give an error when both -NoNewWindow and -WindowStyle are specified" -Skip:(!$isFullWin) { | |
| { Start-Process -FilePath $pingCommand -NoNewWindow -WindowStyle Normal -ErrorAction Stop } | Should -Throw -ErrorId "InvalidOperationException,Microsoft.PowerShell.Commands.StartProcessCommand" | |
| } | |
| It "ExitCode returns with -NoNewWindow, -PassThru and -Wait" { | |
| $process = Start-Process -FilePath $pingCommand -ArgumentList $pingParam -NoNewWindow -PassThru -Wait -ErrorAction Stop | |
| $process.ExitCode | Should -Be 0 | |
| } | |
| It "Should start cmd.exe with Verb 'open' and WindowStyle 'Minimized'" -Skip:(!$isFullWin) { | |
| $fileToWrite = Join-Path $TestDrive "VerbTest.txt" | |
| $process = Start-Process cmd.exe -ArgumentList "/c echo abc > $fileToWrite" -Verb open -WindowStyle Minimized -PassThru | |
| $process.Name | Should -Be "cmd" | |
| $process.WaitForExit() | |
| Test-Path $fileToWrite | Should -BeTrue | |
| } | |
| It "Should start notepad.exe with ShellExecute" -Skip:(!$isFullWin) { | |
| $process = Start-Process notepad.exe -PassThru -WindowStyle Normal | |
| $process.Name | Should -Be "notepad" | |
| $process | Stop-Process | |
| } | |
| It "Should be able to use the -WhatIf switch without performing the actual action" { | |
| $pingOutput = Join-Path $TestDrive "pingOutput.txt" | |
| { Start-Process -Wait $pingCommand -ArgumentList $pingParam -RedirectStandardOutput $pingOutput -WhatIf -ErrorAction Stop @extraArgs} | Should -Not -Throw | |
| $pingOutput | Should -Not -Exist | |
| } | |
| It "Should return null when using -WhatIf switch with -PassThru" { | |
| Start-Process $pingCommand -ArgumentList $pingParam -PassThru -WhatIf | Should -BeNullOrEmpty | |
| } | |
| It 'Should run without errors when -ArgumentList is $null' { | |
| $process = Start-Process $pingCommand -ArgumentList $null -PassThru @extraArgs | |
| $process.Length | Should -Be 1 | |
| $process.Id | Should -BeGreaterThan 1 | |
| } | |
| It "Should run without errors when -ArgumentList is @()" { | |
| $process = Start-Process $pingCommand -ArgumentList @() -PassThru @extraArgs | |
| $process.Length | Should -Be 1 | |
| $process.Id | Should -BeGreaterThan 1 | |
| } | |
| It "Should run without errors when -ArgumentList is ''" { | |
| $process = Start-Process $pingCommand -ArgumentList '' -PassThru @extraArgs | |
| $process.Length | Should -Be 1 | |
| $process.Id | Should -BeGreaterThan 1 | |
| } | |
| } | |
| Describe "Start-Process tests requiring admin" -Tags "Feature","RequireAdminOnWindows" { | |
| BeforeEach { | |
| cmd /c assoc .foo=foofile | |
| cmd /c ftype foofile=cmd /c echo %1^> $testdrive\foo.txt | |
| Remove-Item $testdrive\foo.txt -Force -ErrorAction SilentlyContinue | |
| } | |
| AfterEach { | |
| cmd /c assoc .foo= | |
| cmd /c ftype foofile= | |
| } | |
| It "Should open the application that is associated a file" -Skip:(!$isFullWin) { | |
| $fooFile = Join-Path $TestDrive "FooTest.foo" | |
| New-Item $fooFile -ItemType File -Force | |
| Start-Process $fooFile | |
| Wait-FileToBePresent -File "$testdrive\foo.txt" -TimeoutInSeconds 10 -IntervalInMilliseconds 100 | Should -BeTrue | |
| Get-Content $testdrive\foo.txt | Should -BeExactly $fooFile | |
| } | |
| } | |
| Describe "Environment Tests" -Tags "Feature" { | |
| It "UseNewEnvironment parameter should reset environment variables for child process" { | |
| $PWSH = (Get-Process -Id $PID).MainModule.FileName | |
| $outputFile = Join-Path -Path $TestDrive -ChildPath output.txt | |
| $env:TestEnvVariable | Should -BeNullOrEmpty | |
| $env:TestEnvVariable = 1 | |
| $userName = $env:USERNAME | |
| try { | |
| Start-Process $PWSH -ArgumentList '-NoProfile','-Command Write-Output \"$($env:TestEnvVariable);$($env:USERNAME)\"' -RedirectStandardOutput $outputFile -Wait | |
| Get-Content -LiteralPath $outputFile | Should -BeExactly "1;$userName" | |
| # Check that: | |
| # 1. Environment variables is resetted (TestEnvVariable is removed) | |
| # 2. Environment variables comes from current user profile | |
| Start-Process $PWSH -ArgumentList '-NoProfile','-Command Write-Output \"$($env:TestEnvVariable);$($env:USERNAME)\"' -RedirectStandardOutput $outputFile -Wait -UseNewEnvironment | |
| Get-Content -LiteralPath $outputFile | Should -BeExactly ";$userName" | |
| } finally { | |
| $env:TestEnvVariable = $null | |
| } | |
| } | |
| It '-Environment adds or replaces environment variables to child process' { | |
| $outputfile = Join-Path -Path $TestDrive -ChildPath output.txt | |
| Start-Process pwsh -ArgumentList '-NoProfile','-Nologo','-OutputFormat xml','-Command get-childitem env:' -Wait -Environment @{ a = 1; B = 'hello'; TERM = 'dumb'; PATH = 'mine' } -RedirectStandardOutput $outputfile | |
| $out = Import-Clixml $outputfile | |
| ($out | Where-Object { $_.Name -eq 'a' }).Value | Should -Be 1 | |
| ($out | Where-Object { $_.Name -eq 'B' }).Value | Should -BeExactly 'hello' | |
| ($out | Where-Object { $_.Name -eq 'TERM' }).Value | Should -BeExactly 'dumb' | |
| $pathSeparator = [System.IO.Path]::PathSeparator | |
| if ($IsWindows) { | |
| ($out | Where-Object { $_.Name -eq 'PATH' }).Value | Should -BeLike "*${pathSeparator}mine${pathSeparator}*" | |
| } else { | |
| ($out | Where-Object { $_.Name -eq 'PATH' }).Value | Should -BeLike "*${pathSeparator}mine" | |
| } | |
| } | |
| It '-Environment can remove an environment variable from child process' { | |
| try { | |
| $env:existing = 1 # set a variable that we will remove | |
| $env:nonexisting = $null # validate that removing a non-existing variable is a no-op | |
| $outputfile = Join-Path -Path $TestDrive -ChildPath output.txt | |
| Start-Process pwsh -ArgumentList '-NoProfile','-Nologo','-OutputFormat xml','-Command get-childitem env:' -Wait -Environment @{ existing = $null; nonexisting = $null } -RedirectStandardOutput $outputfile | |
| $out = Import-Clixml $outputfile | |
| $out | Where-Object { $_.Name -eq 'existing' } | Should -BeNullOrEmpty | |
| $out | Where-Object { $_.Name -eq 'nonexisting' } | Should -BeNullOrEmpty | |
| } finally { | |
| $env:existing = $null | |
| } | |
| } | |
| } | |
| Describe "Bug fixes" -Tags "CI" { | |
| ## https://github.com/PowerShell/PowerShell/issues/24986 | |
| It "Error redirection along with '-NoNewWindow' should work for Start-Process" -Skip:(!$IsWindows) { | |
| $errorFile = Join-Path -Path $TestDrive -ChildPath error.txt | |
| $out = pwsh -noprofile -c "Start-Process -Wait -NoNewWindow -RedirectStandardError $errorFile -FilePath cmd -ArgumentList '/C echo Hello'" | |
| ## 'Hello' should be sent to standard output; 'error.txt' file should be created but empty. | |
| $out | Should -BeExactly "Hello" | |
| Test-Path -Path $errorFile | Should -BeTrue | |
| (Get-Item $errorFile).Length | Should -Be 0 | |
| } | |
| } | |