def test_set_links(self):
link = Link('rel', 'href')
expected = Item(links=[link])
item = Item()
item.links = [link]
self.assertIsInstance(item.links, Array)
self.assertEqual(item, expected)
def test_set_links_invalid(self):
item = Item()
invalid_obj = object()
with self.assertRaises(TypeError):
item.links = invalid_obj
