public function testWarmup()
{
$container = new Container();
$container->set('ezpublish.config.resolver.core', new stdClass());
$container->set('ezpublish.config.resolver.chain', new stdClass());
self::assertTrue($container->initialized('ezpublish.config.resolver.core'));
self::assertTrue($container->initialized('ezpublish.config.resolver.chain'));
$warmer = new ConfigResolverCleanup();
$warmer->setContainer($container);
$warmer->warmUp('my_cache_dir');
self::assertFalse($container->initialized('ezpublish.config.resolver.core'));
self::assertFalse($container->initialized('ezpublish.config.resolver.chain'));
}