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Fix HelpSystem tests for invariant culture #27547

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Fix HelpSystem tests for invariant culture #27547

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567fe47
Fix help tests for invariant culture
KirtiRamchandani Jun 1, 2026
9c863a1
Scope help culture fallback per test
KirtiRamchandani Jun 4, 2026
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42 changes: 42 additions & 0 deletions test/powershell/engine/Help/HelpSystem.Tests.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -416,6 +416,48 @@ Describe "Get-Help should find pattern alias" -Tags "CI" {
}

Describe "help function uses full view by default" -Tags "CI" {
BeforeAll {
$script:helpFullViewInvariantCultureLCID = [System.Globalization.CultureInfo]::InvariantCulture.LCID
$script:helpFullViewEnUSCulture = [System.Globalization.CultureInfo]::GetCultureInfo('en-US')
}

BeforeEach {
$script:helpFullViewCultureState = @{
CurrentCulture = [System.Globalization.CultureInfo]::CurrentCulture
CurrentUICulture = [System.Globalization.CultureInfo]::CurrentUICulture
CurrentCultureChanged = $false
CurrentUICultureChanged = $false
}

# The full help content used by these assertions is localized for en-US.
if ($script:helpFullViewCultureState.CurrentCulture.LCID -eq $script:helpFullViewInvariantCultureLCID) {
[System.Globalization.CultureInfo]::CurrentCulture = $script:helpFullViewEnUSCulture
$script:helpFullViewCultureState.CurrentCultureChanged = $true
}

if ($script:helpFullViewCultureState.CurrentUICulture.LCID -eq $script:helpFullViewInvariantCultureLCID) {
[System.Globalization.CultureInfo]::CurrentUICulture = $script:helpFullViewEnUSCulture
$script:helpFullViewCultureState.CurrentUICultureChanged = $true
}
}

AfterEach {
if ($script:helpFullViewCultureState.CurrentCultureChanged) {
[System.Globalization.CultureInfo]::CurrentCulture = $script:helpFullViewCultureState.CurrentCulture
}

if ($script:helpFullViewCultureState.CurrentUICultureChanged) {
[System.Globalization.CultureInfo]::CurrentUICulture = $script:helpFullViewCultureState.CurrentUICulture
}

$script:helpFullViewCultureState = $null
}

AfterAll {
$script:helpFullViewInvariantCultureLCID = $null
$script:helpFullViewEnUSCulture = $null
}

It "help should return full view without -Full switch" {
if (Test-IsWindowsArm64) {
Set-ItResult -Pending -Because "IOException: The handle is invalid."
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