Mailing List Archive: bpo-46424: [typing] cover `Annotation[arg]` invalid usage in tests (GH-30663)

https://github.com/python/cpython/commit/32398294fb3fcf4ee74da54722fd0221c4e6cb74
commit: 32398294fb3fcf4ee74da54722fd0221c4e6cb74
branch: main
author: Nikita Sobolev <mail@sobolevn.me>
committer: Fidget-Spinner <28750310+Fidget-Spinner@users.noreply.github.com>
date: 2022-01-18T22:43:51+08:00
summary:

bpo-46424: [typing] cover `Annotation[arg]` invalid usage in tests (GH-30663)

files:
M Lib/test/test_typing.py

diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index c8a077e2f1ff5..97c2c7f56cecb 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -4609,6 +4609,10 @@ def test_cannot_check_subclass(self):
with self.assertRaises(TypeError):
issubclass(int, Annotated[int, "positive"])

+ def test_too_few_type_args(self):
+ with self.assertRaisesRegex(TypeError, 'at least two arguments'):
+ Annotated[int]
+
def test_pickle(self):
samples = [typing.Any, typing.Union[int, str],
typing.Optional[str], Tuple[int, ...],

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https://github.com/python/cpython/commit/baf26d07a634b0ea3ff052716bdeaee985b3a3a9
commit: baf26d07a634b0ea3ff052716bdeaee985b3a3a9
branch: 3.10
author: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
committer: miss-islington <31488909+miss-islington@users.noreply.github.com>
date: 2022-01-19T07:54:07-08:00
summary:

bpo-46424: [typing] cover `Annotation[arg]` invalid usage in tests (GH-30663)

(cherry picked from commit 32398294fb3fcf4ee74da54722fd0221c4e6cb74)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>

files:
M Lib/test/test_typing.py

diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index f943aed73614c..b886c38827f1f 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -4512,6 +4512,10 @@ def test_cannot_check_subclass(self):
with self.assertRaises(TypeError):
issubclass(int, Annotated[int, "positive"])

+ def test_too_few_type_args(self):
+ with self.assertRaisesRegex(TypeError, 'at least two arguments'):
+ Annotated[int]
+
def test_pickle(self):
samples = [typing.Any, typing.Union[int, str],
typing.Optional[str], Tuple[int, ...],

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