def test_set_link(self):
group = GroupSpec(doc='A test group', name='root')
link = LinkSpec(doc='A test link',
target_type='LinkTarget',
name='link_name')
group.set_link(link)
self.assertIs(group, link.parent)
self.assertIs(group.get_link('link_name'), link)
def test_add_link(self):
group = GroupSpec(doc='A test group', name='root')
group.add_link('A test link', 'LinkTarget', name='link_name')
self.assertIsInstance(group.get_link('link_name'), LinkSpec)