function test_controller_exists()
{
$c_exists =& NController::exists('page');
$this->assertTrue($c_exists, 'Page Controller exists()');
$c =& NController::singleton('page');
$this->assertInstanceOf('PageController', $c);
$c2 =& NController::singleton('page');
$this->assertSame($c, $c2, "NController::singleton() returns a reference to the same object");
unset($c2);
$class_name = $c->getClassName('page');
$this->assertEquals($class_name, "PageController", "getClassName returns proper name");
}
/**
* Instantiates and invokes the controller if it's available.
*
* @access private
* @param string $controller
* @param string $action the action to be performed
* @param string $parameter
* @return null
*
*/
function _invoke($controller, $action, $parameter = null)
{
if (!$this->app_dir) {
$controller = 'page';
}
if (!NController::exists($controller)) {
$this->error($controller, $action);
}
$ctrl =& NController::factory($controller);
if (!$action && method_exists($ctrl, 'index')) {
$action = 'index';
}
if (!$this->app_dir && !in_array($action, $ctrl->public_actions)) {
$action = 'index';
}
$method = Inflector::camelize($action);
$ctrl->action = $action;
if ($ctrl->login_required === true || is_array($ctrl->login_required) && (in_array($action, $ctrl->login_required) || in_array($method, $ctrl->login_required))) {
include_once 'n_auth.php';
$ctrl->_auth = new NAuth();
}
if (!$ctrl->checkUserLevel()) {
header('Location:/' . APP_DIR . '/');
exit;
}
// do the method
if (!$this->app_dir && $controller == 'page') {
$model =& $ctrl->getDefaultModel();
// /_page8 redirection support (BC fix)
if (preg_match('|^/_page(\\d+)|', $this->url, $matches)) {
$parameter = $matches[1];
if ($page_info = $model->getInfo($parameter)) {
header('Location:' . $ctrl->getHref($page_info) . ($this->params ? '?' . $this->paramsToString() : ''));
exit;
}
}
if ($action != 'menus') {
$parameter = $ctrl->models['page']->URLToID($this->url);
}
}
if (method_exists($ctrl, $method)) {
$ctrl->{$method}($parameter);
if ($ctrl->auto_render) {
$ctrl->render();
}
} else {
$this->error($ctrl, $method);
}
unset($ctrl);
}
