/**
  * @covers Navinator\Collection::getOrphanNodes
  */
 public function testGetOrphanNodes()
 {
     $nodeData = array('alpha/beta', 'alpha/beta/gama', 'alpha/beta-2/gama', 'test', 'test/beta', 'test/beta/gama');
     $nodes = array();
     $c = new Collection();
     foreach ($nodeData as $path) {
         $n = new Node($path);
         $nodes[$path] = $n;
         $c->addNode($n);
     }
     $orphans = $c->getOrphanNodes();
     $expected = array('alpha/beta' => $nodes['alpha/beta'], 'alpha/beta-2/gama' => $nodes['alpha/beta-2/gama']);
     $this->assertEquals($expected, $orphans);
 }