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[3.11] gh-102978: Fix mock.patch function signatures for class and staticmethod decorators (GH-103228) (#103499)

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Fixes unittest.mock.patch not enforcing function signatures for methods
decorated with @classmethod or @staticmethod when patch is called with
autospec=True.

(cherry picked from commit 59e0de4903)

Co-authored-by: Tomas R <tomas.roun8@gmail.com>
This commit is contained in:
Miss Islington (bot) 2023-05-22 03:47:12 -07:00 • committed by GitHub
parent 1692a16a25
commit e95ca78fab
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18
Lib/unittest/test/testmock/testhelpers.py
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@ -952,6 +952,24 @@ def __getattr__(self, attribute):
self.assertFalse(hasattr(autospec, '__name__'))
def test_autospec_signature_staticmethod(self):
class Foo:
@staticmethod
def static_method(a, b=10, *, c): pass
mock = create_autospec(Foo.__dict__['static_method'])
self.assertEqual(inspect.signature(Foo.static_method), inspect.signature(mock))
def test_autospec_signature_classmethod(self):
class Foo:
@classmethod
def class_method(cls, a, b=10, *, c): pass
mock = create_autospec(Foo.__dict__['class_method'])
self.assertEqual(inspect.signature(Foo.class_method), inspect.signature(mock))
def test_spec_inspect_signature(self):
def myfunc(x, y): pass