/**
* A support method which delivers the URL (with scheme and authority as per RFC3986) to the targeted test site,
* where the default test site is assumed to be the URL as provided by @see WebserverDefaults::getServerUrl(),
* which can be overridden by specifying a different URL through the setServerUrl() method.
*
* @param string $auth_str The optional userinfo (cf. RFC3986 section 3.2) part of the URI.
* @param string $path The optional relative path to the previously configured 'server URL'.
* @return string The URL as currently configured.
* @access public
*/
function getServerUrl($auth_str = null, $path = null)
{
if (empty($this->server_url)) {
$url = WebserverDefaults::getServerURL($auth_str);
$this->server_url = $url;
} else {
$url = $this->server_url;
}
return WebserverDefaults::completeURL($path, $url, $auth_str);
}
