public function testRoot()
{
// test with only one tree
$this->baobab->appendChild();
$this->assertTrue(1 === $this->baobab->getRoot());
// add a couple more trees
Baobab::cleanAll(self::$db, self::$forest_name);
$tree_a = '[{
"fields":["tree_id","id","lft","rgt"],
"values":[1,1,1,2,[]]
}]';
Baobab::import(self::$db, self::$forest_name, $tree_a);
$this->baobab->appendChild();
$this->_fillAnyIdTree(2);
$this->assertTrue(2 === $this->baobab->getRoot());
}
