tests/Test-HostOperatingSystem.ps1

function Test-HostOperatingSystem {
    [CmdletBinding()]
    param (
        [parameter()][string] $TestName = "Test-HostOperatingSystem",
        [parameter()][string] $TestGroup = "configuration",
        [parameter()][string] $Description = "Validate supported operating system for CM site system roles",
        [parameter()][hashtable] $ScriptParams
    )
    try {
        $startTime = (Get-Date)
        $supported = @(Get-CmHealthDefaultValue -KeySet "siteservers:SupportedOperatingSystems" -DataSet $CmHealthConfig)
        Write-Verbose "Supported OS list = $($supported -join ',')"
        [System.Collections.Generic.List[PSObject]]$tempdata = @() # for detailed test output to return if needed
        $stat    = "PASS"
        $except  = "FAIL"
        $msg     = "No issues found"
        $osdata  = Get-WmiQueryResult -ClassName "Win32_Product" -Params $ScriptParams
        $osname  = $osdata.Caption
        $osbuild = $osdata.BuildNumber
        $matched = (($supported | Foreach-Object {$osname -match $_}) -eq $True)
        if ($matched -ne $true) {
            $stat = $except
            $msg = "Unsupported operating system for site system roles: $osname $osbuild"
            $tempdata.Add("Supported: $($supported -join ',')")
        } else {
            $msg = "$($osdata.Caption) $($osdata.BuildNumber)"
        }
    }
    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 })
        })
    }
}