613 lines
24 KiB
PowerShell
613 lines
24 KiB
PowerShell
using namespace System.Diagnostics
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# Minishell (Singleshell) is a powershell concept.
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# Its primary use-case is when somebody executes a scriptblock in the new powershell process.
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# The objects are automatically marshelled to the child process and
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# back to the parent session, so users can avoid custom
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# serialization to pass objects between two processes.
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Describe 'minishell for native executables' -Tag 'CI' {
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BeforeAll {
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$powershell = Join-Path -Path $PsHome -ChildPath "powershell"
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}
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Context 'Streams from minishell' {
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It 'gets a hashtable object from minishell' {
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$output = & $powershell -noprofile { @{'a' = 'b'} }
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($output | Measure-Object).Count | Should Be 1
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$output | Should BeOfType 'Hashtable'
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$output['a'] | Should Be 'b'
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}
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It 'gets the error stream from minishell' {
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$output = & $powershell -noprofile { Write-Error 'foo' } 2>&1
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($output | Measure-Object).Count | Should Be 1
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$output | Should BeOfType 'System.Management.Automation.ErrorRecord'
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$output.FullyQualifiedErrorId | Should Be 'Microsoft.PowerShell.Commands.WriteErrorException'
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}
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It 'gets the information stream from minishell' {
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$output = & $powershell -noprofile { Write-Information 'foo' } 6>&1
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($output | Measure-Object).Count | Should Be 1
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$output | Should BeOfType 'System.Management.Automation.InformationRecord'
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$output | Should Be 'foo'
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}
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}
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Context 'Streams to minishell' {
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It "passes input into minishell" {
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$a = 1,2,3
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$val = $a | & $powershell -noprofile -command { $input }
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$val.Count | Should Be 3
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$val[0] | Should Be 1
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$val[1] | Should Be 2
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$val[2] | Should Be 3
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}
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}
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}
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Describe "ConsoleHost unit tests" -tags "Feature" {
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BeforeAll {
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$powershell = Join-Path -Path $PsHome -ChildPath "powershell"
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$ExitCodeBadCommandLineParameter = 64
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function NewProcessStartInfo([string]$CommandLine, [switch]$RedirectStdIn)
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{
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return [ProcessStartInfo]@{
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FileName = $powershell
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Arguments = $CommandLine
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RedirectStandardInput = $RedirectStdIn
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RedirectStandardOutput = $true
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RedirectStandardError = $true
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UseShellExecute = $false
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}
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}
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function RunPowerShell([ProcessStartInfo]$si)
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{
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$process = [Process]::Start($si)
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return $process
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}
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function EnsureChildHasExited([Process]$process, [int]$WaitTimeInMS = 15000)
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{
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$process.WaitForExit($WaitTimeInMS)
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if (!$process.HasExited)
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{
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$process.HasExited | Should Be $true
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$process.Kill()
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}
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}
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}
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AfterEach {
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$Error.Clear()
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}
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Context "ShellInterop" {
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It "Verify Parsing Error Output Format Single Shell should throw exception" {
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try
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{
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& $powershell -outp blah -comm { $input }
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Throw "Test execution should not reach here!"
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}
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catch
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{
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$_.FullyQualifiedErrorId | Should Be "IncorrectValueForFormatParameter"
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}
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}
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It "Verify Validate Dollar Error Populated should throw exception" {
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$origEA = $ErrorActionPreference
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$ErrorActionPreference = "Stop"
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try
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{
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$a = 1,2,3
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$a | & $powershell -noprofile -command { wgwg-wrwrhqwrhrh35h3h3}
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Throw "Test execution should not reach here!"
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}
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catch
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{
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$_.ToString() | Should Match "wgwg-wrwrhqwrhrh35h3h3"
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$_.FullyQualifiedErrorId | Should Be "CommandNotFoundException"
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}
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finally
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{
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$ErrorActionPreference = $origEA
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}
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}
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It "Verify Validate Output Format As Text Explicitly Child Single Shell should works" {
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{
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$a="blahblah"
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$a | & $powershell -noprofile -out text -com { $input }
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} | Should Not Throw
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}
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It "Verify Parsing Error Input Format Single Shell should throw exception" {
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try
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{
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& $powershell -input blah -comm { $input }
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Throw "Test execution should not reach here!"
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}
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catch
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{
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$_.FullyQualifiedErrorId | Should Be "IncorrectValueForFormatParameter"
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}
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}
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}
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Context "CommandLine" {
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It "simple -args" {
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& $powershell -noprofile { $args[0] } -args "hello world" | Should Be "hello world"
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}
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It "array -args" {
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& $powershell -noprofile { $args[0] } -args 1,(2,3) | Should Be 1
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(& $powershell -noprofile { $args[1] } -args 1,(2,3))[1] | Should Be 3
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}
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foreach ($x in "--help", "-help", "-h", "-?", "--he", "-hel", "--HELP", "-hEl") {
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It "Accepts '$x' as a parameter for help" {
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& $powershell -noprofile $x | Where-Object { $_ -match "PowerShell[.exe] -Help | -? | /?" } | Should Not BeNullOrEmpty
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}
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}
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It "Should accept a Base64 encoded command" {
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$commandString = "Get-Location"
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$encodedCommand = [System.Convert]::ToBase64String([System.Text.Encoding]::Unicode.GetBytes($commandString))
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# We don't compare to `Get-Location` directly because object and formatted output comparisons are difficult
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$expected = & $powershell -noprofile -command $commandString
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$actual = & $powershell -noprofile -EncodedCommand $encodedCommand
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$actual | Should Be $expected
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}
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It "-Version should return the engine version" {
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$currentVersion = "powershell " + $PSVersionTable.GitCommitId.ToString()
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$observed = & $powershell -version
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$observed | should be $currentVersion
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}
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It "-Version should ignore other parameters" {
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$currentVersion = "powershell " + $PSVersionTable.GitCommitId.ToString()
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$observed = & $powershell -version -command get-date
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# no extraneous output
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$observed | should be $currentVersion
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}
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It "-File should be default parameter" {
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Set-Content -Path $testdrive/test -Value "'hello'"
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$observed = & $powershell -NoProfile $testdrive/test
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$observed | Should Be "hello"
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}
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It "-File accepts scripts with and without .ps1 extension: <Filename>" -TestCases @(
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@{Filename="test.ps1"},
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@{Filename="test"}
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) {
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param($Filename)
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Set-Content -Path $testdrive/$Filename -Value "'hello'"
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$observed = & $powershell -NoProfile -File $testdrive/$Filename
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$observed | Should Be "hello"
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}
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It "-File should pass additional arguments to script" {
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Set-Content -Path $testdrive/script.ps1 -Value 'foreach($arg in $args){$arg}'
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$observed = & $powershell -NoProfile $testdrive/script.ps1 foo bar
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$observed.Count | Should Be 2
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$observed[0] | Should Be "foo"
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$observed[1] | Should Be "bar"
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}
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It "-File should be able to pass bool string values as string to parameters: <BoolString>" -TestCases @(
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# validates case is preserved
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@{BoolString = '$truE'},
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@{BoolString = '$falSe'},
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@{BoolString = 'trUe'},
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@{BoolString = 'faLse'}
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) {
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param([string]$BoolString)
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Set-Content -Path $testdrive/test.ps1 -Value 'param([string]$bool) $bool'
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$observed = & $powershell -NoProfile -Nologo -File $testdrive/test.ps1 -Bool $BoolString
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$observed | Should Be $BoolString
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}
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It "-File should be able to pass bool string values as string to positional parameters: <BoolString>" -TestCases @(
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# validates case is preserved
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@{BoolString = '$tRue'},
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@{BoolString = '$falSe'},
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@{BoolString = 'tRUe'},
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@{BoolString = 'fALse'}
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) {
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param([string]$BoolString)
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Set-Content -Path $testdrive/test.ps1 -Value 'param([string]$bool) $bool'
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$observed = & $powershell -NoProfile -Nologo -File $testdrive/test.ps1 $BoolString
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$observed | Should BeExactly $BoolString
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}
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It "-File should be able to pass bool string values as bool to switches: <BoolString>" -TestCases @(
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@{BoolString = '$tRue'; BoolValue = 'True'},
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@{BoolString = '$faLse'; BoolValue = 'False'},
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@{BoolString = 'tRue'; BoolValue = 'True'},
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@{BoolString = 'fAlse'; BoolValue = 'False'}
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) {
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param([string]$BoolString, [string]$BoolValue)
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Set-Content -Path $testdrive/test.ps1 -Value 'param([switch]$switch) $switch.IsPresent'
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$observed = & $powershell -NoProfile -Nologo -File $testdrive/test.ps1 -switch:$BoolString
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$observed | Should Be $BoolValue
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}
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It "-File should return exit code from script" -TestCases @(
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@{Filename = "test.ps1"},
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@{Filename = "test"}
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) {
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param($Filename)
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Set-Content -Path $testdrive/$Filename -Value 'exit 123'
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& $powershell $testdrive/$Filename
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$LASTEXITCODE | Should Be 123
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}
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}
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Context "Pipe to/from powershell" {
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$p = [PSCustomObject]@{X=10;Y=20}
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It "xml input" {
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$p | & $powershell -noprofile { $input | Foreach-Object {$a = 0} { $a += $_.X + $_.Y } { $a } } | Should Be 30
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$p | & $powershell -noprofile -inputFormat xml { $input | Foreach-Object {$a = 0} { $a += $_.X + $_.Y } { $a } } | Should Be 30
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}
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It "text input" {
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# Join (multiple lines) and remove whitespace (we don't care about spacing) to verify we converted to string (by generating a table)
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$p | & $powershell -noprofile -inputFormat text { -join ($input -replace "\s","") } | Should Be "XY--1020"
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}
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It "xml output" {
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& $powershell -noprofile { [PSCustomObject]@{X=10;Y=20} } | Foreach-Object {$a = 0} { $a += $_.X + $_.Y } { $a } | Should Be 30
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& $powershell -noprofile -outputFormat xml { [PSCustomObject]@{X=10;Y=20} } | Foreach-Object {$a = 0} { $a += $_.X + $_.Y } { $a } | Should Be 30
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}
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It "text output" {
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# Join (multiple lines) and remove whitespace (we don't care about spacing) to verify we converted to string (by generating a table)
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-join (& $powershell -noprofile -outputFormat text { [PSCustomObject]@{X=10;Y=20} }) -replace "\s","" | Should Be "XY--1020"
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}
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}
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Context "Redirected standard output" {
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It "Simple redirected output" {
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$si = NewProcessStartInfo "-noprofile -c 1+1"
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$process = RunPowerShell $si
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$process.StandardOutput.ReadToEnd() | Should Be 2
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EnsureChildHasExited $process
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}
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}
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Context "Input redirected but not reading from stdin (not really interactive)" {
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# Tests under this context are testing that we do not read from StandardInput
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# even though it is redirected - we want to make sure we don't hang.
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# So none of these tests should close StandardInput
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It "Redirected input w/ implicit -Command w/ -NonInteractive" {
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$si = NewProcessStartInfo "-NonInteractive -noprofile -c 1+1" -RedirectStdIn
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$process = RunPowerShell $si
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$process.StandardOutput.ReadToEnd() | Should Be 2
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EnsureChildHasExited $process
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}
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It "Redirected input w/ implicit -Command w/o -NonInteractive" {
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$si = NewProcessStartInfo "-noprofile -c 1+1" -RedirectStdIn
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$process = RunPowerShell $si
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$process.StandardOutput.ReadToEnd() | Should Be 2
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EnsureChildHasExited $process
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}
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It "Redirected input w/ explicit -Command w/ -NonInteractive" {
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$si = NewProcessStartInfo "-NonInteractive -noprofile -Command 1+1" -RedirectStdIn
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$process = RunPowerShell $si
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$process.StandardOutput.ReadToEnd() | Should Be 2
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EnsureChildHasExited $process
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}
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It "Redirected input w/ explicit -Command w/o -NonInteractive" {
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$si = NewProcessStartInfo "-noprofile -Command 1+1" -RedirectStdIn
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$process = RunPowerShell $si
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$process.StandardOutput.ReadToEnd() | Should Be 2
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EnsureChildHasExited $process
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}
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It "Redirected input w/ -File w/ -NonInteractive" {
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'1+1' | Out-File -Encoding Ascii -FilePath TestDrive:test.ps1 -Force
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$si = NewProcessStartInfo "-noprofile -NonInteractive -File $testDrive\test.ps1" -RedirectStdIn
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$process = RunPowerShell $si
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$process.StandardOutput.ReadToEnd() | Should Be 2
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EnsureChildHasExited $process
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}
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It "Redirected input w/ -File w/o -NonInteractive" {
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'1+1' | Out-File -Encoding Ascii -FilePath TestDrive:test.ps1 -Force
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$si = NewProcessStartInfo "-noprofile -File $testDrive\test.ps1" -RedirectStdIn
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$process = RunPowerShell $si
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$process.StandardOutput.ReadToEnd() | Should Be 2
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EnsureChildHasExited $process
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}
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}
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Context "Redirected standard input for 'interactive' use" {
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$nl = [Environment]::Newline
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# All of the following tests replace the prompt (either via an initial command or interactively)
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# so that we can read StandardOutput and reliably know exactly what the prompt is.
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It "Interactive redirected input: <InteractiveSwitch>" -TestCases @(
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@{InteractiveSwitch = ""}
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@{InteractiveSwitch = " -IntERactive"}
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@{InteractiveSwitch = " -i"}
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) {
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param($interactiveSwitch)
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$si = NewProcessStartInfo "-noprofile -nologo$interactiveSwitch" -RedirectStdIn
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$process = RunPowerShell $si
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$process.StandardInput.Write("`$function:prompt = { 'PS> ' }`n")
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$null = $process.StandardOutput.ReadLine()
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$process.StandardInput.Write("1+1`n")
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$process.StandardOutput.ReadLine() | Should Be "PS> 1+1"
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$process.StandardOutput.ReadLine() | Should Be "2"
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$process.StandardInput.Write("1+2`n")
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$process.StandardOutput.ReadLine() | Should Be "PS> 1+2"
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$process.StandardOutput.ReadLine() | Should Be "3"
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# Backspace should work as expected
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$process.StandardInput.Write("1+2`b3`n")
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# A real console should render 2`b3 as just 3, but we're just capturing exactly what is written
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$process.StandardOutput.ReadLine() | Should Be "PS> 1+2`b3"
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$process.StandardOutput.ReadLine() | Should Be "4"
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$process.StandardInput.Close()
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$process.StandardOutput.ReadToEnd() | Should Be "PS> "
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EnsureChildHasExited $process
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}
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It "Interactive redirected input w/ initial command" {
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$si = NewProcessStartInfo "-noprofile -noexit -c ""`$function:prompt = { 'PS> ' }""" -RedirectStdIn
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$process = RunPowerShell $si
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$process.StandardInput.Write("1+1`n")
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$process.StandardOutput.ReadLine() | Should Be "PS> 1+1"
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$process.StandardOutput.ReadLine() | Should Be "2"
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$process.StandardInput.Write("1+2`n")
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$process.StandardOutput.ReadLine() | Should Be "PS> 1+2"
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$process.StandardOutput.ReadLine() | Should Be "3"
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$process.StandardInput.Close()
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$process.StandardOutput.ReadToEnd() | Should Be "PS> "
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EnsureChildHasExited $process
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}
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It "Redirected input explicit prompting (-File -)" {
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$si = NewProcessStartInfo "-noprofile -" -RedirectStdIn
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$process = RunPowerShell $si
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$process.StandardInput.Write("`$function:prompt = { 'PS> ' }`n")
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$null = $process.StandardOutput.ReadLine()
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$process.StandardInput.Write("1+1`n")
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$process.StandardOutput.ReadLine() | Should Be "PS> 1+1"
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$process.StandardOutput.ReadLine() | Should Be "2"
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$process.StandardInput.Close()
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$process.StandardOutput.ReadToEnd() | Should Be "PS> "
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EnsureChildHasExited $process
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}
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It "Redirected input no prompting (-Command -)" {
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$si = NewProcessStartInfo "-noprofile -Command -" -RedirectStdIn
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$process = RunPowerShell $si
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$process.StandardInput.Write("1+1`n")
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$process.StandardOutput.ReadLine() | Should Be "2"
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# Multi-line input
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$process.StandardInput.Write("if (1)`n{`n 42`n}`n`n")
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$process.StandardOutput.ReadLine() | Should Be "42"
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$process.StandardInput.Write(@"
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function foo
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{
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'in foo'
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}
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foo
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"@)
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$process.StandardOutput.ReadLine() | Should Be "in foo"
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# Backspace sent through stdin should be in the final string
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$process.StandardInput.Write("`"a`bc`".Length`n")
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$process.StandardOutput.ReadLine() | Should Be "3"
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# Last command with no newline - should be accepted and
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# produce output after closing stdin.
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$process.StandardInput.Write('22 + 22')
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$process.StandardInput.Close()
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$process.StandardOutput.ReadLine() | Should Be "44"
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EnsureChildHasExited $process
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}
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It "Redirected input w/ nested prompt" {
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$si = NewProcessStartInfo "-noprofile -noexit -c ""`$function:prompt = { 'PS' + ('>'*(`$nestedPromptLevel+1)) + ' ' }""" -RedirectStdIn
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$process = RunPowerShell $si
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$process.StandardInput.Write("`$host.EnterNestedPrompt()`n")
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$process.StandardOutput.ReadLine() | Should Be "PS> `$host.EnterNestedPrompt()"
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$process.StandardInput.Write("exit`n")
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$process.StandardOutput.ReadLine() | Should Be "PS>> exit"
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$process.StandardInput.Close()
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$process.StandardOutput.ReadToEnd() | Should Be "PS> "
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EnsureChildHasExited $process
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}
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}
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Context "Exception handling" {
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It "Should handle a CallDepthOverflow" {
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# Infinite recursion
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function recurse
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{
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recurse $args
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}
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try
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{
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recurse "args"
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Throw "Incorrect exception"
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}
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catch
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{
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$_.FullyQualifiedErrorId | Should Be "CallDepthOverflow"
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}
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}
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}
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Context "Data, Config, and Cache locations" {
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BeforeEach {
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$XDG_CACHE_HOME = $env:XDG_CACHE_HOME
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$XDG_DATA_HOME = $env:XDG_DATA_HOME
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$XDG_CONFIG_HOME = $env:XDG_CONFIG_HOME
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}
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AfterEach {
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$env:XDG_CACHE_HOME = $XDG_CACHE_HOME
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$env:XDG_DATA_HOME = $XDG_DATA_HOME
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|
$env:XDG_CONFIG_HOME = $XDG_CONFIG_HOME
|
|
}
|
|
|
|
It "Should start if Data, Config, and Cache location is not accessible" -skip:($IsWindows) {
|
|
$env:XDG_CACHE_HOME = "/dev/cpu"
|
|
$env:XDG_DATA_HOME = "/dev/cpu"
|
|
$env:XDG_CONFIG_HOME = "/dev/cpu"
|
|
$output = & $powershell -noprofile -Command { (get-command).count }
|
|
[int]$output | Should BeGreaterThan 0
|
|
}
|
|
}
|
|
|
|
Context "HOME environment variable" {
|
|
It "Should start if HOME is not defined" -skip:($IsWindows) {
|
|
bash -c "unset HOME;$powershell -c '1+1'" | Should BeExactly 2
|
|
}
|
|
}
|
|
|
|
Context "PATH environment variable" {
|
|
It "`$PSHOME should be in front so that powershell.exe starts current running PowerShell" {
|
|
powershell -v | Should Match $psversiontable.GitCommitId
|
|
}
|
|
}
|
|
|
|
Context "Ambiguous arguments" {
|
|
It "Ambiguous argument '<testArg>' should return possible matches" -TestCases @(
|
|
@{testArg="-no";expectedMatches=@("-nologo","-noexit","-noprofile","-noninteractive")},
|
|
@{testArg="-format";expectedMatches=@("-inputformat","-outputformat")}
|
|
) {
|
|
param($testArg, $expectedMatches)
|
|
$output = & $powershell $testArg -File foo 2>&1
|
|
$LASTEXITCODE | Should Be $ExitCodeBadCommandLineParameter
|
|
$outString = [String]::Join(",", $output)
|
|
foreach ($expectedMatch in $expectedMatches)
|
|
{
|
|
$outString | Should Match $expectedMatch
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Describe "WindowStyle argument" -Tag Feature {
|
|
BeforeAll {
|
|
$defaultParamValues = $PSDefaultParameterValues.Clone()
|
|
$PSDefaultParameterValues["it:skip"] = !$IsWindows
|
|
|
|
if ($IsWindows)
|
|
{
|
|
$ExitCodeBadCommandLineParameter = 64
|
|
Add-Type -Name User32 -Namespace Test -MemberDefinition @"
|
|
public static WINDOWPLACEMENT GetPlacement(IntPtr hwnd)
|
|
{
|
|
WINDOWPLACEMENT placement = new WINDOWPLACEMENT();
|
|
placement.length = Marshal.SizeOf(placement);
|
|
GetWindowPlacement(hwnd, ref placement);
|
|
return placement;
|
|
}
|
|
|
|
[DllImport("user32.dll", SetLastError = true)]
|
|
[return: MarshalAs(UnmanagedType.Bool)]
|
|
public static extern bool GetWindowPlacement(
|
|
IntPtr hWnd, ref WINDOWPLACEMENT lpwndpl);
|
|
|
|
[Serializable]
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct WINDOWPLACEMENT
|
|
{
|
|
public int length;
|
|
public int flags;
|
|
public ShowWindowCommands showCmd;
|
|
public System.Drawing.Point ptMinPosition;
|
|
public System.Drawing.Point ptMaxPosition;
|
|
public System.Drawing.Rectangle rcNormalPosition;
|
|
}
|
|
|
|
public enum ShowWindowCommands : int
|
|
{
|
|
Hidden = 0,
|
|
Normal = 1,
|
|
Minimized = 2,
|
|
Maximized = 3,
|
|
}
|
|
"@
|
|
}
|
|
}
|
|
|
|
AfterAll {
|
|
$global:PSDefaultParameterValues = $defaultParamValues
|
|
}
|
|
|
|
It "-WindowStyle <WindowStyle> should work on Windows" -TestCases @(
|
|
@{WindowStyle="Normal"},
|
|
@{WindowStyle="Minimized"},
|
|
@{WindowStyle="Maximized"} # hidden doesn't work in CI/Server Core
|
|
) {
|
|
param ($WindowStyle)
|
|
$ps = Start-Process powershell -ArgumentList "-WindowStyle $WindowStyle -noexit -interactive" -PassThru
|
|
$startTime = Get-Date
|
|
$showCmd = "Unknown"
|
|
while (((Get-Date) - $startTime).TotalSeconds -lt 10 -and $showCmd -ne $WindowStyle)
|
|
{
|
|
Start-Sleep -Milliseconds 100
|
|
$showCmd = ([Test.User32]::GetPlacement($ps.MainWindowHandle)).showCmd
|
|
}
|
|
$showCmd | Should BeExactly $WindowStyle
|
|
$ps | Stop-Process -Force
|
|
}
|
|
|
|
It "Invalid -WindowStyle returns error" {
|
|
powershell -WindowStyle invalid
|
|
$LASTEXITCODE | Should Be $ExitCodeBadCommandLineParameter
|
|
}
|
|
}
|
|
|
|
Describe "Console host api tests" -Tag CI {
|
|
Context "String escape sequences" {
|
|
$esc = [char]0x1b
|
|
$testCases =
|
|
@{InputObject = "abc"; Length = 3; Name = "No escapes"},
|
|
@{InputObject = "${esc} [31mabc"; Length = 9; Name = "Malformed escape - extra space"},
|
|
@{InputObject = "${esc}abc"; Length = 4; Name = "Malformed escape - no csi"},
|
|
@{InputObject = "[31mabc"; Length = 7; Name = "Malformed escape - no escape"}
|
|
|
|
$testCases += if ($host.UI.SupportsVirtualTerminal)
|
|
{
|
|
@{InputObject = "$esc[31mabc"; Length = 3; Name = "Escape at start"}
|
|
@{InputObject = "$esc[31mabc$esc[0m"; Length = 3; Name = "Escape at start and end"}
|
|
}
|
|
else
|
|
{
|
|
@{InputObject = "$esc[31mabc"; Length = 8; Name = "Escape at start - no virtual term support"}
|
|
@{InputObject = "$esc[31mabc$esc[0m"; Length = 12; Name = "Escape at start and end - no virtual term support"}
|
|
}
|
|
|
|
It "Should properly calculate buffer cell width of '<Name>'" -TestCases $testCases {
|
|
param($InputObject, $Length)
|
|
$host.UI.RawUI.LengthInBufferCells($InputObject) | Should Be $Length
|
|
}
|
|
}
|
|
}
|