From f04024d5880d0ff8888ae3899074aeddf5473bfc Mon Sep 17 00:00:00 2001 From: "Miss Islington (bot)" <31488909+miss-islington@users.noreply.github.com> Date: Mon, 21 Aug 2023 12:18:42 -0700 Subject: [3.12] gh-107905: Test raising `__value__` for `TypeAliasType` (GH-107997) (#108217) gh-107905: Test raising `__value__` for `TypeAliasType` (GH-107997) (cherry picked from commit 13104f3b7412dce9bf7cfd09bf2d6dad1f3cc2ed) Co-authored-by: Nikita Sobolev --- Lib/test/test_type_aliases.py | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/Lib/test/test_type_aliases.py b/Lib/test/test_type_aliases.py index 0ce97f5..8f0a998 100644 --- a/Lib/test/test_type_aliases.py +++ b/Lib/test/test_type_aliases.py @@ -168,6 +168,24 @@ class TypeParamsAliasValueTest(unittest.TestCase): self.assertEqual(repr(GenericRecursive[GenericRecursive[int]]), "GenericRecursive[GenericRecursive[int]]") + def test_raising(self): + type MissingName = list[_My_X] + with self.assertRaisesRegex( + NameError, + "cannot access free variable '_My_X' where it is not associated with a value", + ): + MissingName.__value__ + _My_X = int + self.assertEqual(MissingName.__value__, list[int]) + del _My_X + # Cache should still work: + self.assertEqual(MissingName.__value__, list[int]) + + # Explicit exception: + type ExprException = 1 / 0 + with self.assertRaises(ZeroDivisionError): + ExprException.__value__ + class TypeAliasConstructorTest(unittest.TestCase): def test_basic(self): -- cgit v0.12