PowerShell/test/powershell/Modules/Microsoft.PowerShell.Core/Get-PSHostProcessInfo.Tests.ps1
2020-03-26 09:47:33 -07:00

102 lines
3.6 KiB
PowerShell

# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.
Describe "Get-PSHostProcessInfo tests" -Tag CI {
BeforeAll {
$si = [System.Diagnostics.ProcessStartInfo]::new()
$si.FileName = "pwsh"
$si.Arguments = "-noexit"
$si.RedirectStandardInput = $true
$si.RedirectStandardOutput = $true
$si.RedirectStandardError = $true
$pwsh = [System.Diagnostics.Process]::Start($si)
if ($IsWindows) {
$si.FileName = "powershell"
$powershell = [System.Diagnostics.Process]::Start($si)
}
}
AfterAll {
$pwsh | Stop-Process
if ($IsWindows) {
$powershell | Stop-Process
}
}
It "Should return own self" {
(Get-PSHostProcessInfo).ProcessId | Should -Contain $PID
}
It "Should return own self window title" {
$expected = (Get-Process -Id $PID).MainWindowTitle
(Get-PSHostProcessInfo -Id $PID).MainWindowTitle | Should -BeExactly $expected
}
It "Should list info for other PowerShell hosted processes" {
# Creation of the named pipe is async
Wait-UntilTrue {
Get-PSHostProcessInfo | Where-Object { $_.ProcessId -eq $pwsh.Id }
} | Should -BeTrue
$pshosts = Get-PSHostProcessInfo
$pshosts.Count | Should -BeGreaterOrEqual 1
$pshosts.ProcessId | Should -Contain $pwsh.Id
}
It "Should list Windows PowerShell process" -Skip:(!$IsWindows) {
# Creation of the named pipe is async
Wait-UntilTrue {
Get-PSHostProcessInfo | Where-Object { $_.ProcessId -eq $powershell.Id }
} | Should -BeTrue
$psProcess = Get-PSHostProcessInfo | Where-Object { $_.ProcessName -eq "powershell" }
$psProcess.Count | Should -BeGreaterOrEqual 1
$psProcess.ProcessId | Should -Contain $powershell.id
}
It "Verifies named pipe filepath get method" {
$pipeFilePath = (Get-PSHostProcessInfo -Id $pid).GetPipeNameFilePath()
$pipeFilePath | Should -Exist
}
It "Verifies named pipe filepath is removed on process exit" {
$aliveFile = Join-Path -Path $TestDrive -ChildPath 'AliveFileXXZZ.txt'
"" | Out-File -FilePath $aliveFile
$testfilePath = Join-Path -Path $TestDrive -ChildPath 'TestScriptXXZZ.ps1'
@'
param (
[string] $LiveFilePath
)
$count = 0
while ((Test-Path -Path $LiveFilePath) -and ($count++ -lt 60))
{
Start-Sleep -Milliseconds 500
}
exit
'@ | Out-File -FilePath $testfilePath
# Create PowerShell process to monitor.
$psFileName = $IsWindows ? 'pwsh.exe' : 'pwsh'
$psPath = Join-Path -Path $PSHOME -ChildPath $psFileName
$psProc = Start-Process -FilePath $psPath -ArgumentList "-File $testfilePath -LiveFilePath $aliveFile" -PassThru
Wait-UntilTrue -sb {
(Get-PSHostProcessInfo -Id $psProc.Id) -ne $null
} -TimeoutInMilliseconds 5000 -IntervalInMilliseconds 250
# Verify named pipe file path.
$psNamedPipePath = (Get-PSHostProcessInfo -Id $psProc.Id).GetPipeNameFilePath()
$psNamedPipePath | Should -Exist
# Signal PowerShell test process to exit normally.
Remove-Item -Path $aliveFile -Force -ErrorAction Ignore
Wait-UntilTrue -sb {
(Test-Path -Path $psNamedPipePath) -eq $false
} -TimeoutInMilliseconds 5000 -IntervalInMilliseconds 250
# Verify named pipe file path is removed.
$psNamedPipePath | Should -Not -Exist
}
}