$ErrorActionPreference = 'Stop'

function Assert-True {
  param(
    [bool]$Condition,
    [string]$Message
  )
  if (-not $Condition) { throw $Message }
}

Assert-True (Test-Path '.htaccess') 'Missing .htaccess'
$ht = Get-Content -Raw '.htaccess'
Assert-True ($ht -match 'RewriteRule') 'Missing RewriteRule in .htaccess'

'OK'