https://github.com/python/cpython/commit/53e8bdd1e6434a06ac67ae0dd250d1abf7d2dc4c commit: 53e8bdd1e6434a06ac67ae0dd250d1abf7d2dc4c branch: 3.12 author: Miss Islington (bot) <[email protected]> committer: sobolevn <[email protected]> date: 2024-05-04T15:26:30Z summary:
[3.12] gh-118569: Add a test for dynamic PEP695 classes (GH-118570) (#118574) gh-118569: Add a test for dynamic PEP695 classes (GH-118570) (cherry picked from commit 5f547585fa56c94c5d836b5313a7200f4937ebc4) Co-authored-by: Nikita Sobolev <[email protected]> files: M Lib/test/test_type_params.py diff --git a/Lib/test/test_type_params.py b/Lib/test/test_type_params.py index 25ee188731f31f..38416315173bd4 100644 --- a/Lib/test/test_type_params.py +++ b/Lib/test/test_type_params.py @@ -708,6 +708,31 @@ class D[U](T): self.assertIn(int, C.D.__bases__) self.assertIs(C.D.x, str) + +class DynamicClassTest(unittest.TestCase): + def _set_type_params(self, ns, params): + ns['__type_params__'] = params + + def test_types_new_class_with_callback(self): + T = TypeVar('T', infer_variance=True) + Klass = types.new_class('Klass', (Generic[T],), {}, + lambda ns: self._set_type_params(ns, (T,))) + + self.assertEqual(Klass.__bases__, (Generic,)) + self.assertEqual(Klass.__orig_bases__, (Generic[T],)) + self.assertEqual(Klass.__type_params__, (T,)) + self.assertEqual(Klass.__parameters__, (T,)) + + def test_types_new_class_no_callback(self): + T = TypeVar('T', infer_variance=True) + Klass = types.new_class('Klass', (Generic[T],), {}) + + self.assertEqual(Klass.__bases__, (Generic,)) + self.assertEqual(Klass.__orig_bases__, (Generic[T],)) + self.assertEqual(Klass.__type_params__, ()) # must be explicitly set + self.assertEqual(Klass.__parameters__, (T,)) + + class TypeParamsManglingTest(unittest.TestCase): def test_mangling(self): class Foo[__T]: _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/python-checkins.python.org/ Member address: [email protected]
