[3.11] gh-102978: Fix mock.patch function signatures for class and staticmethod decorators (GH-103228) by miss-islington · Pull Request #103499 · python/cpython

Expand Up @@ -996,6 +996,36 @@ def test_autospec_classmethod(self): method.assert_called_once_with()

def test_autospec_staticmethod_signature(self): # Patched methods which are decorated with @staticmethod should have the same signature class Foo: @staticmethod def static_method(a, b=10, *, c): pass
Foo.static_method(1, 2, c=3)
with patch.object(Foo, 'static_method', autospec=True) as method: method(1, 2, c=3) self.assertRaises(TypeError, method) self.assertRaises(TypeError, method, 1) self.assertRaises(TypeError, method, 1, 2, 3, c=4)

def test_autospec_classmethod_signature(self): # Patched methods which are decorated with @classmethod should have the same signature class Foo: @classmethod def class_method(cls, a, b=10, *, c): pass
Foo.class_method(1, 2, c=3)
with patch.object(Foo, 'class_method', autospec=True) as method: method(1, 2, c=3) self.assertRaises(TypeError, method) self.assertRaises(TypeError, method, 1) self.assertRaises(TypeError, method, 1, 2, 3, c=4)

def test_autospec_with_new(self): patcher = patch('%s.function' % __name__, new=3, autospec=True) self.assertRaises(TypeError, patcher.start) Expand Down