RedUNIT\Base\Traverse::testBasicTraversal PHP Метод

    public function testBasicTraversal()
    {
        R::nuke();
        $pageA = R::dispense('page')->setAttr('title', 'a');
        $pageB = R::dispense('page')->setAttr('title', 'b');
        $pageC = R::dispense('page')->setAttr('title', 'c');
        $pageD = R::dispense('page')->setAttr('title', 'd');
        $pageE = R::dispense('page')->setAttr('title', 'e');
        $pageF = R::dispense('page')->setAttr('title', 'f');
        $pageG = R::dispense('page')->setAttr('title', 'g');
        $pageH = R::dispense('page')->setAttr('title', 'h');
        $pageA->ownPage = array($pageB, $pageC);
        $pageB->ownPage = array($pageD);
        $pageC->ownPage = array($pageE, $pageF);
        $pageD->ownPage = array($pageG);
        $pageF->ownPage = array($pageH);
        R::store($pageA);
        $pageA = $pageA->fresh();
        //also tests non-existant column handling by count().
        asrt(R::count('page', ' price = ? ', array('5')), 0);
        asrt(R::count('tag', ' title = ? ', array('new')), 0);
        $pageA->traverse('ownPageList', function ($bean) {
            $bean->price = 5;
        });
        R::store($pageA);
        asrt(R::count('page', ' price = ? ', array('5')), 7);
    }