tests/Test-CmUpdateCompliance.ps1

function Test-CmUpdateCompliance {
    [CmdletBinding()]
    param (
        [parameter()][string] $TestName = "Test-CmUpdateCompliance",
        [parameter()][string] $TestGroup = "operation",
        [parameter()][string] $Description = "Summary of required updates not yet installed",
        [parameter()][hashtable] $ScriptParams
    )
    try {
        #[int]$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
        $msg  = "No issues found" # do not change this either
        $query = @"
SELECT
    vRS.Netbios_Name0 AS 'DeviceName',
    vSN_Status.StateDescription,
    vCCI.CategoryInstanceName AS 'UpdateClassification',
    vUI.Title,
    vUI.Description,
    vUI.InfoURL,
    vUI.ArticleID,
    vUI.BulletinID,
    vUI.MaxExecutionTime,
    vUCS.LastStatusChangeTime,
    vUCS.LastErrorCode
FROM
    dbo.v_Update_ComplianceStatus AS vUCS LEFT OUTER JOIN
    dbo.v_UpdateInfo AS vUI ON vUCS.CI_ID = vUI.CI_ID LEFT OUTER JOIN
    dbo.v_R_System AS vRS ON vUCS.ResourceID = vRS.ResourceID LEFT OUTER JOIN
    dbo.v_StateNames AS vSN_Status ON vUCS.Status = vSN_Status.StateID LEFT OUTER JOIN
    dbo.v_CICategoryInfo AS vCCI ON vCCI.CI_ID = vUCS.CI_ID
WHERE
    (vCCI.CategoryTypeName = 'UpdateClassification') AND
    (vSN_Status.TopicType = 500) AND
    (vUI.CIType_ID = 8) AND
    (vUI.IsSuperseded = 0) AND
    (vCCI.CategoryInstanceName IN ('Security Updates', 'Critical Updats')) AND
    (vSN_Status.StateDescription = 'Update is required')
ORDER BY
    'DeviceName', vUI.Title
"@

        if ($ScriptParams.Credential) {
            $res = @(Invoke-DbaQuery -SqlInstance $ScriptParams.SqlInstance -Database $ScriptParams.Database -Query $query -SqlCredential $ScriptParams.Credential)
        } else {
            $res = @(Invoke-DbaQuery -SqlInstance $ScriptParams.SqlInstance -Database $ScriptParams.Database -Query $query)
        }
        if ($res.Count -gt 0) {
            $stat = "WARNING" # or "FAIL"
            $msg  = "$($res.Count) items found"
            $res | Foreach-Object {
                $dataset = @{
                    DeviceName = $($_.DeviceName)
                    UpdateClassification = $($_.UpdateClassification)
                    State = $($_.StateDescription)
                    Article = $($_.ArticleID)
                    Title = $($_.Title)
                    LastError = $($_.LastErrorCode)
                }
                $tempdata.Add($dataset)
            }
        } else {
            Write-Verbose "no issues found"
        }
    }
    catch {
        $stat = 'ERROR'
        $msg = $_.Exception.Message -join ';'
    }
    finally {
        Write-Output $([pscustomobject]@{
            TestName    = $TestName
            TestGroup   = $TestGroup
            TestData    = $tempdata
            Description = $Description
            Status      = $stat 
            Message     = $msg
            Credential  = $(if($ScriptParams.Credential){$($ScriptParams.Credential).UserName} else { $env:USERNAME })
        })
    }
}