tests/Test-CmWsusLastSync.ps1

function Test-CmWsusLastSync {
    [CmdletBinding()]
    param (
        [parameter()][string] $TestName = "Last SUP / WSUS Synchronization",
        [parameter()][string] $TestGroup = "operation",
        [parameter()][string] $Description = "Validate last WSUS synchronization result",
        [parameter()][hashtable] $ScriptParams
    )
    try {
        $startTime = (Get-Date)
        [int]$DaysBack = Get-CmHealthDefaultValue -KeySet "wsus:LastSyncMaxDaysOld" -DataSet $CmHealthConfig
        Write-Log -Message "DaysBack = $DaysBack"
        [System.Collections.Generic.List[PSObject]]$tempdata = @() # for detailed test output to return if needed
        $stat   = "PASS"
        $except = "FAIL"
        $msg    = "No sync errors within the past $DaysBack days"
        $query = "DECLARE @starttime AS DATETIME, @endtime AS DATETIME, @id AS INT, @sitecode CHAR(3)
SELECT @sitecode = '$($ScriptParams.SiteCode)'
SELECT TOP 1 @starttime = smsgs.Time
FROM v_StatusMessage smsgs
WHERE
    smsgs.Time >= DATEADD(dd,-CONVERT(INT,$($DaysBack)),GETDATE()) AND
    smsgs.MessageID = 6701 AND
    smsgs.sitecode = @sitecode
ORDER BY smsgs.Time DESC
 
SELECT TOP 1 @endtime = smsgs.Time, @id = smsgs.MessageID
FROM v_StatusMessage smsgs
WHERE
    smsgs.Time >= DATEADD(dd,-CONVERT(INT,$($DaysBack)),GETDATE()) AND
    smsgs.MessageID IN (6702, 6703) AND
    smsgs.sitecode = @sitecode
ORDER BY smsgs.Time DESC
 
IF (@starttime IS NOT NULL) AND (@endtime IS NOT NULL)
SELECT @starttime as StartTime,
CASE
    WHEN (@starttime > @endtime) THEN NULL
    ELSE @endtime
END AS EndTime,
CASE
    WHEN (@starttime > @endtime) THEN 'Last WSUS Sync did not finish'
    WHEN (@id = 6702) THEN 'Success'
    WHEN (@id = 6703) THEN 'Error'
END AS 'Comments'"

        $res = Get-CmSqlQueryResult -Query $query -Params $ScriptParams
        if ($null -eq $res) {
            throw "No status found. Confirm SUP and WSUS are configured."
        } else {
            if ($res.Comments -ne 'Success') {
                $stat = $except
                $msg = "Status = $($res.Comments)"
            }
        }
    }
    catch {
        $stat = 'ERROR'
        $msg = $_.Exception.Message -join ';'
    }
    finally {
        Write-Output $([pscustomobject]@{
            TestName    = $TestName
            TestGroup   = $TestGroup
            TestData    = $tempdata
            Description = $Description
            Status      = $stat
            Message     = $msg
            RunTime     = $(Get-RunTime -BaseTime $startTime)
            Credential  = $(if($ScriptParams.Credential){$($ScriptParams.Credential).UserName} else { $env:USERNAME })
        })
    }
}