tests/Test-CmCompStatus.ps1

function Test-CmCompStatus {
    [CmdletBinding()]
    param (
        [parameter()][string] $TestName = "Check Component Status",
        [parameter()][string] $TestGroup = "operation",
        [parameter()][string] $Description = "Check Component Status Error messages",
        [parameter()][hashtable] $ScriptParams,
        [parameter()][int] $BackDays = 2
    )
    try {
        [System.Collections.Generic.List[PSObject]]$tempdata = @() # for detailed test output to return if needed
        $stat = "PASS"
        $msg  = "No issues found"
        $FromDate = (Get-Date).AddDays(-$BackDays).ToString('yyyy-MM-dd')
        $query = "select * from vSMS_ComponentSummarizer where LastContacted > '$($FromDate)' and Errors > 0"
        $comps = (Invoke-DbaQuery -SqlInstance $ScriptParams.SqlInstance -Database $ScriptParams.Database -Query $query)
        if ($comps.Count -gt 0) {
            $stat = "FAIL"
            $msg  = "$($comps.Count) Component Status Errors were found in the last"
        }
    }
    catch {
        $stat = 'ERROR'
        $msg = $_.Exception.Message -join ';'
    }
    finally {
        Write-Output $([pscustomobject]@{
            TestName    = $TestName
            TestGroup   = $TestGroup
            TestData    = $tempdata
            Description = $Description
            Status      = $stat 
            Message     = $msg
        })
    }
}