def test_del_node_attribute(self):
n = {'id': 'a1', 'key': b'1234',
'attrib': {'attrib1': 123},
'children': []}
d = DataTree(n)
a = d.get_node_attrib('/a1', 'attrib1')
self.assertEqual(a, 123)
d.del_node_attrib('/a1', 'attrib1')
a = d.get_node_attrib('/a1', 'attrib1')
self.assertEqual(a, None)
def test_add_node_attribute(self):
n = {'id': 'a1', 'key': b'1234', 'children': []}
d = DataTree(n)
d.add_node_attrib('/a1', 'attrib1', 123)
a = d.get_node_attrib('/a1', 'attrib1')
self.assertEqual(a, 123)