public function testGetRoot()
{
$a = new DumperCollection();
$b = new DumperCollection();
$a->add($b);
$c = new DumperCollection();
$b->add($c);
$d = new DumperCollection();
$c->add($d);
$this->assertSame($a, $c->getRoot());
}
/**
* Groups consecutive routes having the same host regex.
*
* The result is a collection of collections of routes having the same host regex.
*
* @param RouteCollection $routes A flat RouteCollection
*
* @return DumperCollection A collection with routes grouped by host regex in sub-collections
*/
private function groupRoutesByHostRegex(RouteCollection $routes)
{
$groups = new DumperCollection();
$currentGroup = new DumperCollection();
$currentGroup->setAttribute('host_regex', null);
$groups->add($currentGroup);
foreach ($routes as $name => $route) {
$hostRegex = $route->compile()->getHostRegex();
if ($currentGroup->getAttribute('host_regex') !== $hostRegex) {
$currentGroup = new DumperCollection();
$currentGroup->setAttribute('host_regex', $hostRegex);
$groups->add($currentGroup);
}
$currentGroup->add(new DumperRoute($name, $route));
}
return $groups;
}
