function test_staleness()
{
global $ID;
$ID = 'stale';
$file = wikiFN($ID);
# Prepare test page
saveWikiText($ID, 'Fresh', 'Created');
# Create stale cache
$cache = new cache_renderer($ID, $file, 'xhtml');
$cache->storeCache('Stale');
$stale = $cache->retrieveCache();
# Prepare stale cache for testing
$time = filemtime($file);
touch($cache->cache, $time);
# Make the test
$fresh = p_cached_output($file, 'xhtml', $ID);
$this->assertNotEquals($fresh, $stale, 'Stale cache failed to expire');
}
/**
* Returns the given file parsed into the requested output format
*
* @author Andreas Gohr <*****@*****.**>
* @author Chris Smith <*****@*****.**>
*/
function p_cached_output($file, $format = 'xhtml', $id = '')
{
global $conf;
$cache = new cache_renderer($id, $file, $format);
if ($cache->useCache()) {
$parsed = $cache->retrieveCache(false);
if ($conf['allowdebug'] && $format == 'xhtml') {
$parsed .= "\n<!-- cachefile {$cache->cache} used -->\n";
}
} else {
$parsed = p_render($format, p_cached_instructions($file, false, $id), $info);
if ($info['cache']) {
$cache->storeCache($parsed);
//save cachefile
if ($conf['allowdebug'] && $format == 'xhtml') {
$parsed .= "\n<!-- no cachefile used, but created {$cache->cache} -->\n";
}
} else {
$cache->removeCache();
//try to delete cachefile
if ($conf['allowdebug'] && $format == 'xhtml') {
$parsed .= "\n<!-- no cachefile used, caching forbidden -->\n";
}
}
}
return $parsed;
}
