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PowerShell-PowerShell/test/powershell/engine/HelpSystem.OnlineHelp.Tests.ps1
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Francisco Gamino d717458e7d Fixing get-help <cmdletName> -online for .NET Core on Desktop. (#2174)
In PS Core on windows, we try to locate the default web browser and use it for online help. If we cannot find the default web browser (in NanoServer/IoT), we error out.
2016-10-12 12:16:32 -07:00

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PowerShell

Describe 'Online help tests for PowerShell Core Cmdlets' -Tags "CI" {
# The csv files (V2Cmdlets.csv and V3Cmdlets.csv) contain a list of cmdlets and expected HelpURIs.
# The HelpURI is part of the cmdlet metadata, and when the user runs 'get-help <cmdletName> -online'
# the browser navigates to the address in the HelpURI. However, if a help file is present, the HelpURI
# on the file take precedence over the one in the cmdlet metadata. Therefore, the help content
# in the box needs to be deleted before running the tests, because otherwise, the HelpURI
# (when calling get-help -online) might not matched the one in the csv file.
# Currently update-help does not work on Linux (see https://github.com/PowerShell/PowerShell/issues/951),
# so if the help content is deleted, we do not have a way to install it back, and any subsequent
# 'get-help' tests which depend on the help content will fail. Until this update-help issue is fixed,
# we need to skip these tests on Linux and OSX.
$skipTest = ([System.Management.Automation.Platform]::IsLinux -or [System.Management.Automation.Platform]::IsOSX)
BeforeAll {
# There is a bug in Linux in which a 'Boolean value defined inside Describe block cannot be evaluated properly
# in if statement inside BeforeAll block on Linux' Becuase of this, I need to define the bool value again inside the block.
# See https://github.com/PowerShell/PowerShell/issues/2445
#
$skipTest = ([System.Management.Automation.Platform]::IsLinux -or [System.Management.Automation.Platform]::IsOSX)
if (-not $skipTest)
{
# Enable the test hook
[system.management.automation.internal.internaltesthooks]::SetTestHook('BypassOnlineHelpRetrieval', $true)
# Remove the help content
Write-Verbose "Deleting help content for get-help -online tests" -Verbose
$path = Join-Path $PSHOME (Get-UICulture).Name
Get-ChildItem "$path\*dll-help.xml" -Recurse -ErrorAction SilentlyContinue | Remove-Item -Force -ErrorAction SilentlyContinue
}
}
AfterAll {
if (-not $skipTest)
{
# Disable the test hook
[system.management.automation.internal.internaltesthooks]::SetTestHook('BypassOnlineHelpRetrieval', $false)
}
}
foreach ($filePath in @("$PSScriptRoot\testdata\HelpURI\V2Cmdlets.csv", "$PSScriptRoot\testdata\HelpURI\V3Cmdlets.csv"))
{
$cmdletList = Import-Csv $filePath -ea Stop
foreach ($cmdlet in $cmdletList)
{
# If the cmdlet is not preset in CoreCLR, skip it.
if (Get-Command $cmdlet.TopicTitle -ea SilentlyContinue)
{
# TopicTitle - is the cmdlet name in the csv file
# HelpURI - is the expected help URI in the csv file
It "Validate 'get-help $($cmdlet.TopicTitle) -Online'" -skip:$skipTest {
$actualURI = Get-Help $cmdlet.TopicTitle -Online
$actualURI = $actualURI.Replace("Help URI: ","")
$actualURI | Should Be $cmdlet.HelpURI
}
}
}
}
}
Describe 'Get-Help -Online opens the default web browser and navigates to the cmdlet help content' -Tags "Feature" {
$skipTest = [System.Management.Automation.Platform]::IsIoT -or
[System.Management.Automation.Platform]::IsNanoServer
It "Get-Help get-process -online" -skip:$skipTest {
{ Get-Help get-process -online } | Should Not Throw
}
}
Describe 'Get-Help -Online is not supported on Nano Server and IoT' -Tags "CI" {
$skipTest = -not ([System.Management.Automation.Platform]::IsIoT -or [System.Management.Automation.Platform]::IsNanoServer)
It "Get-help -online <cmdletName> throws InvalidOperation." -skip:$skipTest {
try
{
Get-Help Get-Help -Online
throw "Execution should not have succeeded"
}
catch
{
$_.FullyQualifiedErrorId | Should Be "InvalidOperation,Microsoft.PowerShell.Commands.GetHelpCommand"
}
}
}