Public/SoftwareProduct.ps1
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<#
.SYNOPSIS Test the installed Software Packages. .DESCRIPTION Test the Existance of a Software Package or the Value of a given Property. .PARAMETER Target Specifies the path to an item. .PARAMETER Property Specifies a property at the specified Path. .PARAMETER Should A Script Block defining a Pester Assertion. .EXAMPLE SoftwareProduct 'Microsoft .NET Framework 4.6.1' { Should Exist } .EXAMPLE SoftwareProduct 'Microsoft SQL Server 2016' DisplayVersion { Should Be 13.0.1100.286 } .EXAMPLE SoftwareProduct 'IIS 10.0 Express' InstallLocation { Should Match 'C:\Program Files (x86)' } .NOTES Assertions: Be, BeExactly, Exist, Match, MatchExactly #> function SoftwareProduct { [CmdletBinding(DefaultParameterSetName="Default")] param( [Parameter(Mandatory, Position=1, ParameterSetName="Default")] [Parameter(Mandatory, Position=1, ParameterSetName="Property")] [Alias("Path")] [string]$Target, [Parameter(Position=2, ParameterSetName="Property")] [ValidateSet("DisplayVersion", "InstallLocation", "EstimatedSize")] [string]$Property, [Parameter(Mandatory, Position=2, ParameterSetName="Default")] [Parameter(Mandatory, Position=3, ParameterSetName="Property")] [scriptblock]$Should ) $name = Split-Path -Path $Target -Leaf $expression = {Get-ItemProperty -Path hklm:\\Software\Microsoft\Windows\CurrentVersion\Uninstall\* | Where-Object DisplayName -Match '$Target'} $params = Get-PoshspecParam -TestName SoftwareProduct -TestExpression $expression -FriendlyName $name @PSBoundParameters Invoke-PoshspecExpression @params } |