tests/Test-HostInstalledSoftware.ps1

function Test-HostInstalledSoftware {
    [CmdletBinding()]
    param (
        [parameter()][string] $TestName = "Installed Software Applications",
        [parameter()][string] $TestGroup = "configuration",
        [parameter()][string] $Description = "Check for excessive junk installed on site server",
        [parameter()][hashtable] $ScriptParams
    )
    $startTime = (Get-Date)
    [int]$MaxProducts  = Get-CmHealthDefaultValue -KeySet "siteservers:InstalledSoftwareThreshold" -DataSet $CmHealthConfig
    Write-Verbose "MaxProducts = $MaxProducts"
    try {
        [System.Collections.Generic.List[PSObject]]$tempdata = @() # for detailed test output to return if needed
        $stat   = "PASS" # do not change this
        $except = "WARNING"
        $msg    = "No issues found" # do not change this either
        [array]$res = Get-WmiQueryResult -ClassName "Win32_Product" -Params $ScriptParams
        Write-Verbose "$($res.Count) products were returned"
        if ($res.Count -gt $MaxProducts) {
            $stat = $except
            $msg  = "$($res.Count) items found. See TestData for item details"
            $res | Foreach-Object {
                $tempdata.Add(
                    [pscustomobject]@{
                        ProductName = $_.Name
                        Version     = $_.Version
                        Vendor      = $_.Vendor
                        ProductCode = $_.ProductCode
                    }
                )
            }
        }
    }
    catch {
        $stat = 'ERROR'
        $msg = $_.Exception.Message -join ';'
    }
    finally {
        if ($cs) { $cs.Close(); $cs = $null }
        $rt = Get-RunTime -BaseTime $startTime
        Write-Output $([pscustomobject]@{
            TestName    = $TestName
            TestGroup   = $TestGroup
            TestData    = $tempdata
            Description = $Description
            Status      = $stat
            Message     = $msg
            RunTime     = $rt
            Credential  = $(if($ScriptParams.Credential){$($ScriptParams.Credential).UserName} else { $env:USERNAME })
        })
    }
}