def test_relative_on_a_non_leaf_node(self):
path = URLPath('/a/b/c/')
assert path.relative('.') == '/a/b/c/'
assert path.relative('d') == '/a/b/c/d'
assert path.relative('..') == '/a/b/'
assert path.relative('../d') == '/a/b/d'
assert path.relative('/') == '/'
assert path.relative('/d') == '/d'
