public function testGetMenu()
{
$item = new MenuItem('testItem', $this->factory);
$subItem = new MenuItem('subItem', $this->factory);
$item->addChild($subItem);
$this->provider->expects($this->any())->method('get')->will($this->returnValue($item));
$resultMenu = $this->manager->getMenu('test', array('subItem'));
$this->assertEquals($subItem, $resultMenu);
$this->setExpectedException('InvalidArgumentException');
$this->manager->getMenu('test', array('bad_item'));
}
