tests/Test-CmClientATPStatus.ps1

function Test-CmClientATPStatus {
    [CmdletBinding()]
    [OutputType()]
    param (
        [parameter()][string] $TestName = "ATP Client Onboarding and Activity Status",
        [parameter()][string] $TestGroup = "operation",
        [parameter()][string] $TestCategory = "CM",
        [parameter()][string] $Description = "ATP Devices onboarded and active",
        [parameter()][hashtable] $ScriptParams
    )
    try {
        $startTime = (Get-Date)
        #[int]$Setting = Get-CmHealthDefaultValue -KeySet "keygroup:keyname" -DataSet $CmHealthConfig
        [System.Collections.Generic.List[PSObject]]$tempdata = @() # for detailed test output to return if needed
        $stat   = "PASS" # do not change this
        $except = "WARNING" # or "FAIL"
        $msg    = "No issues found" # do not change this either
        $query = "select distinct [ATP_OnboardingState] as ATPOnboard, Count(*) as Devices
from v_CombinedDeviceResources where Name not in
('x86 Unknown Computer (x86 Unknown Computer)','x64 Unknown Computer (x64 Unknown Computer)',
'Provisioning Device (Provisioning Device)')
group by [ATP_OnboardingState]"

        $res = Get-CmSqlQueryResult -Query $query -Params $ScriptParams
        if ($res.Count -gt 0) {
            $onboard = $res | Where-Object {$_.ATPOnboard -eq 1}
            $total = $($res.Devices | Measure-Object -Sum | Select-Object -ExpandProperty Sum)
            $pending = $total - $onboard
            if (($onboard -gt 0) -and ($pending -gt 0)) {
                $stat = $except
                $msg  = "$($res.Count) items found"
                $res | Foreach-Object {
                    $tempdata.Add(
                        [pscustomobject]@{
                            ATPOnboard = $_.ATPOnboard
                            Devices = $_.Devices
                        }
                    )
                }
            }
        }
    }
    catch {
        $stat = 'ERROR'
        $msg  = "$($_.Exception.Message -join ';')"
        $msg += " / trace: $($_.ScriptStackTrace -join ';')"
    }
    finally {
        Set-CmhOutputData
    }
}