Tests/MSFT_xGroupResource.TestHelper.psm1
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Import-Module -Name (Join-Path -Path (Join-Path -Path (Split-Path -Path $PSScriptRoot -Parent) -ChildPath 'DSCResources') -ChildPath 'CommonResourceHelper.psm1') <# .SYNOPSIS Determines if a Windows group exists. .DESCRIPTION This function determines if a Windows group exists on a local or remote machine. .PARAMETER GroupName The name of the group to test. .PARAMETER ComputerName The optional name of the computer to check. The default value is the local machine. .NOTES For remote machines, the currently logged on user must have rights to enumerate groups. #> function Test-GroupExists { [OutputType([Boolean])] [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [String] $GroupName, [ValidateNotNullOrEmpty()] [String] $ComputerName = $env:computerName ) if (Test-IsNanoServer) { return Test-GroupExistsOnNanoServer @PSBoundParameters } else { return Test-GroupExistsOnFullSKU @PSBoundParameters } if (Test-IsNanoServer) { # Try to find a group by its name. try { $null = Get-LocalGroup -Name $GroupName -ErrorAction Stop return $true } catch [System.Exception] { if ($_.CategoryInfo.ToString().Contains('GroupNotFoundException')) { # A group with the provided name does not exist. return $false } throw $_.Exception } } else { return [ADSI]::Exists("WinNT://$env:ComputerName/$GroupName,group") } } <# .SYNOPSIS Determines if a Windows group exists. .DESCRIPTION This function determines if a Windows group exists on a local or remote machine. .PARAMETER GroupName The name of the group to test. .PARAMETER ComputerName The optional name of the computer to check. Omit to check for the group on the local machine. .NOTES For remote machines, the currently logged on user must have rights to enumerate groups. #> function Test-GroupExistsOnFullSKU { [OutputType([Boolean])] [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [String] $GroupName, [ValidateNotNullOrEmpty()] [String] $ComputerName = $env:computerName ) Set-StrictMode -Version 'Latest' $adsiComputerEntry = [ADSI] "WinNT://$ComputerName" foreach ($adsiComputerEntryChild in $adsiComputerEntry.Children) { if ($adsiComputerEntryChild.Path -like "WinNT://*$ComputerName/$GroupName") { return $true } } return $false } <# .SYNOPSIS Determines if a Windows group exists. .DESCRIPTION This function determines if a Windows group exists on a local or remote machine. .PARAMETER GroupName The name of the group to test. .PARAMETER ComputerName This parameter should not be used on NanoServer. #> function Test-GroupExistsOnNanoServer { [OutputType([Boolean])] [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [String] $GroupName, [ValidateNotNullOrEmpty()] [String] $ComputerName = $env:computerName ) Set-StrictMode -Version 'Latest' if ($PSBoundParameters.ContainsKey('ComputerName')) { if (-not (Test-IsLocalMachine -Scope $ComputerName)) { throw 'Do not specify ComputerName when running on NanoServer unless it is the local machine.' } } try { Get-LocalGroup -Name $GroupName -ErrorAction Stop | Out-Null return $true } catch [System.Exception] { if ($_.CategoryInfo.ToString().Contains('GroupNotFoundException')) { return $false } else { throw $_.Exception } } return $false } <# .SYNOPSIS Creates a Windows group .DESCRIPTION This function creates a Windows group on the local or remote machine. .PARAMETER GroupName The name of the group to create .PARAMETER Description The optional description to set for the group. .PARAMETER MemberUserNames The usernames of the optional members to add to the group. .PARAMETER ComputerName The optional name of the computer to update. Omit to create the group on the local machine. .NOTES For remote machines, the currently logged on user must have rights to create a group. #> function New-Group { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [String] $GroupName, [String] $Description, [String[]] $MemberUserNames, [ValidateNotNullOrEmpty()] [String] $ComputerName = $env:computerName ) Set-StrictMode -Version 'Latest' if (Test-IsNanoServer) { New-GroupOnNanoServer @PSBoundParameters } else { New-GroupOnFullSKU @PSBoundParameters } } <# .SYNOPSIS Creates a Windows group on a full server .DESCRIPTION This function creates a Windows group on the local or remote full server machine. .PARAMETER GroupName The name of the group to create .PARAMETER Description The optional description to set for the group. .PARAMETER MemberUserNames The usernames of the optional members to add to the group. .PARAMETER ComputerName The optional name of the computer to update. Omit to create the group on the local machine. .NOTES For remote machines, the currently logged on user must have rights to create a group. #> function New-GroupOnFullSKU { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [String] $GroupName, [String] $Description, [String[]] $MemberUserNames, [ValidateNotNullOrEmpty()] [String] $ComputerName = $env:computerName ) Set-StrictMode -Version 'Latest' $adsiComputerEntry = [ADSI] "WinNT://$ComputerName" if (Test-GroupExists -GroupName $GroupName) { Remove-Group -GroupName $GroupName -ComputerName $ComputerName } $adsiGroupEntry = $adsiComputerEntry.Create('Group', $GroupName) if ($PSBoundParameters.ContainsKey('Description')) { $adsiGroupEntry.Put('Description', $Description) | Out-Null } $adsiGroupEntry.SetInfo() | Out-Null if ($PSBoundParameters.ContainsKey("MemberUserNames")) { $adsiGroupEntry = [ADSI]"WinNT://$ComputerName/$GroupName,group" foreach ($memberUserName in $MemberUserNames) { $adsiGroupEntry.Add("WinNT://$ComputerName/$memberUserName") | Out-Null } } } <# .SYNOPSIS Creates a Windows group on a Nano server .DESCRIPTION This function creates a Windows group on the local Nano server machine. .PARAMETER GroupName The name of the group to create .PARAMETER Description The optional description to set for the group. .PARAMETER MemberUserNames The usernames of the optional members to add to the group. .PARAMETER ComputerName This parameter should not be used on a Nano server. #> function New-GroupOnNanoServer { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [String] $GroupName, [String] $Description, [String[]] $MemberUserNames, [ValidateNotNullOrEmpty()] [String] $ComputerName = $env:computerName ) Set-StrictMode -Version 'Latest' if ($PSBoundParameters.ContainsKey('ComputerName')) { if (-not (Test-IsLocalMachine -Scope $ComputerName)) { throw 'Do not specify ComputerName when running on NanoServer unless it is the local machine.' } } if (Test-GroupExists -GroupName $GroupName) { Remove-LocalGroup -Name $GroupName -ErrorAction SilentlyContinue } New-LocalGroup -Name $GroupName if ($PSBoundParameters.ContainsKey('Description')) { Set-LocalGroup -Name $GroupName -Description $Description } if ($PSBoundParameters.ContainsKey('MemberUserNames')) { Add-LocalGroupMember -Name $GroupName -Member $Members } } <# .SYNOPSIS Deletes a user group. .PARAMETER GroupName The name of the user group to delete. .PARAMETER ComputerName The optional name of the computer to update. The default value is the local machine. #> function Remove-Group { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [String] $GroupName, [ValidateNotNullOrEmpty()] [String] $ComputerName = $env:computerName ) if (Test-IsNanoServer) { Remove-GroupOnNanoServer @PSBoundParameters } else { Remove-GroupOnFullSKU @PSBoundParameters } } <# .SYNOPSIS Deletes a local user group on a full server. .PARAMETER GroupName The name of the local user group to delete. .PARAMETER ComputerName The optional name of the computer to update. The default value is the local machine. #> function Remove-GroupOnFullSKU { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [String] $GroupName, [ValidateNotNullOrEmpty()] [String] $ComputerName = $env:computerName ) Set-StrictMode -Version 'Latest' $adsiComputerEntry = [ADSI]"WinNT://$ComputerName" if (Test-GroupExists -GroupName $GroupName) { $adsiComputerEntry.Delete('Group', $GroupName) | Out-Null } } <# .SYNOPSIS Deletes a local user group on a Nano server. .PARAMETER GroupName The name of the local user group to delete. .PARAMETER ComputerName This parameter should not be used on NanoServer. The default value is the local machine. #> function Remove-GroupOnNanoServer { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [String] $GroupName, [ValidateNotNullOrEmpty()] [String] $ComputerName = $env:computerName ) Set-StrictMode -Version 'Latest' if ($PSBoundParameters.ContainsKey('ComputerName')) { if (-not (Test-IsLocalMachine -Scope $ComputerName)) { throw 'Do not specify ComputerName when running on NanoServer unless it is the local machine.' } } if (Test-GroupExists -GroupName $GroupName) { Remove-LocalGroup -Name $GroupName } } Export-ModuleMember -Function ` New-Group, ` Remove-Group, ` Test-GroupExists |