FolderWatcher.ps1

# Watch a file changes in the current directory, 
# Execute all tests when a file is changed or renamed

$watcher = New-Object System.IO.FileSystemWatcher
$watcher.Path = Get-Location
$watcher.IncludeSubdirectories = $true
$watcher.EnableRaisingEvents = $false
$watcher.NotifyFilter = [System.IO.NotifyFilters]::LastWrite -bor [System.IO.NotifyFilters]::FileName
 
while($true)
{
	$result = $watcher.WaitForChanged([System.IO.WatcherChangeTypes]::All, 1000);
	if($result.TimedOut){
		continue;
	}
    
    if ($result.ChangeType -eq "Renamed")
    {
        Write-Host $(Get-Date -Form "HH:mm:ss") "-" $result.ChangeType "file" $result.OldName "to" $result.Name 
    }
    else
    {
        Write-Host $(Get-Date -Form "HH:mm:ss") "-" $result.ChangeType "file" $result.Name
    }
}