/**
* @covers WANObjectCache::touchCheckKey()
* @covers WANObjectCache::resetCheckKey()
* @covers WANObjectCache::getCheckKeyTime()
*/
public function testTouchKeys()
{
$key = wfRandomString();
$priorTime = microtime(true);
usleep(1);
$t0 = $this->cache->getCheckKeyTime($key);
$this->assertGreaterThanOrEqual($priorTime, $t0, 'Check key auto-created');
$priorTime = microtime(true);
usleep(1);
$this->cache->touchCheckKey($key);
$t1 = $this->cache->getCheckKeyTime($key);
$this->assertGreaterThanOrEqual($priorTime, $t1, 'Check key created');
$t2 = $this->cache->getCheckKeyTime($key);
$this->assertEquals($t1, $t2, 'Check key time did not change');
usleep(1);
$this->cache->touchCheckKey($key);
$t3 = $this->cache->getCheckKeyTime($key);
$this->assertGreaterThan($t2, $t3, 'Check key time increased');
$t4 = $this->cache->getCheckKeyTime($key);
$this->assertEquals($t3, $t4, 'Check key time did not change');
usleep(1);
$this->cache->resetCheckKey($key);
$t5 = $this->cache->getCheckKeyTime($key);
$this->assertGreaterThan($t4, $t5, 'Check key time increased');
$t6 = $this->cache->getCheckKeyTime($key);
$this->assertEquals($t5, $t6, 'Check key time did not change');
}
/**
* Invalidate cache keys for modules using this message key.
* Called by MessageCache when a message has changed.
*
* @param string $key Message key
*/
public function updateMessage($key)
{
$moduleNames = $this->getResourceLoader()->getModulesByMessage($key);
foreach ($moduleNames as $moduleName) {
// Uses a holdoff to account for database slave lag (for MessageCache)
$this->wanCache->touchCheckKey($this->wanCache->makeKey(__CLASS__, $moduleName));
}
}
/**
* Clear all stored messages. Mainly used after a mass rebuild.
*/
function clear()
{
$langs = Language::fetchLanguageNames(null, 'mw');
foreach (array_keys($langs) as $code) {
# Global and local caches
$this->wanCache->touchCheckKey(wfMemcKey('messages', $code));
}
$this->mLoadedLanguages = array();
}
