def should_give_path(self):
root = StringTree('root')
name = ['node 1', 'node 2']
node = StringTree(name, root)
assert node.path(root) == ['node 1', 'node 2']
assert node.path() == ['root', 'node 1', 'node 2']
assert node.path(node) == []
assert node.path(node.parent) == ['node 2']