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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2022-05-03 01:05:49 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-05-03 01:05:49 (GMT) |
| commit | 7e55730e3f0a0c8c1b73037011e4b00dd7bd7f69 (patch) | |
| tree | 315b4ba0189dffa8281269cdb61c52336f1027da | |
| parent | 51b885a38a6cbf1d11d3c49e0d2c6532944fcd4d (diff) | |
| download | cpython-7e55730e3f0a0c8c1b73037011e4b00dd7bd7f69.zip cpython-7e55730e3f0a0c8c1b73037011e4b00dd7bd7f69.tar.gz cpython-7e55730e3f0a0c8c1b73037011e4b00dd7bd7f69.tar.bz2 | |
gh-92106: Add test that subscription works on arbitrary TypedDicts (GH-92176)
(cherry picked from commit 81fb3548be5a18bf40a6f4505a02cc7fb72c9c34)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
| -rw-r--r-- | Lib/test/test_typing.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py index 08eddb0..3fec59a 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -4076,6 +4076,19 @@ class TypedDictTests(BaseTestCase): {'a': typing.Optional[int], 'b': int} ) + def test_non_generic_subscript(self): + # For backward compatibility, subscription works + # on arbitrary TypedDict types. + class TD(TypedDict): + a: T + A = TD[int] + self.assertEqual(A.__origin__, TD) + self.assertEqual(A.__parameters__, ()) + self.assertEqual(A.__args__, (int,)) + a = A(a = 1) + self.assertIs(type(a), dict) + self.assertEqual(a, {'a': 1}) + class IOTests(BaseTestCase): |