def test_example(self): deps = resolve_dependencies({ 'a': ['b', 'c'], 'b': ['c'], 'c': ['d'], 'd': [] }) self.assertEqual(list(deps), ['d', 'c', 'b', 'a'])
def test_missing_link(self): deps = resolve_dependencies({'a': 'b', 'c': 'd'}) with self.assertRaises(ValueError): list(deps)
def test_unresolvable(self): deps = resolve_dependencies({'a': 'b', 'b': 'a'}) with self.assertRaises(ValueError): list(deps)
def test_example(self): deps = resolve_dependencies({'a': ['b', 'c'], 'b': ['c'], 'c': ['d'], 'd': []}) self.assertEqual(list(deps), ['d', 'c', 'b', 'a'])