[3.12] gh-115264: Fix `test_functools` with `-00` mode (GH-115276) (#116707)

gh-115264: Fix `test_functools` with `-00` mode (GH-115276)
(cherry picked from commit 27df81d5643f32be6ae84a00c5cf84b58e849b21)

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

diff --git a/Lib/test/test_functools.py b/Lib/test/test_functools.py
index 80d01760334fc0bc492b5ad9f778e4241697be03..b73e48789425b78d724152b1eab9afcbc7823082 100644 (file)
--- a/Lib/test/test_functools.py
+++ b/Lib/test/test_functools.py
@@ -2618,7 +2618,10 @@ class TestSingleDispatch(unittest.TestCase):
             A().static_func
         ):
             with self.subTest(meth=meth):
-                self.assertEqual(meth.__doc__, 'My function docstring')
+                self.assertEqual(meth.__doc__,
+                                 ('My function docstring'
+                                  if support.HAVE_DOCSTRINGS
+                                  else None))
                 self.assertEqual(meth.__annotations__['arg'], int)
 
         self.assertEqual(A.func.__name__, 'func')
@@ -2707,7 +2710,10 @@ class TestSingleDispatch(unittest.TestCase):
             WithSingleDispatch().decorated_classmethod
         ):
             with self.subTest(meth=meth):
-                self.assertEqual(meth.__doc__, 'My function docstring')
+                self.assertEqual(meth.__doc__,
+                                 ('My function docstring'
+                                  if support.HAVE_DOCSTRINGS
+                                  else None))
                 self.assertEqual(meth.__annotations__['arg'], int)
 
         self.assertEqual(
@@ -3035,7 +3041,10 @@ class TestCachedProperty(unittest.TestCase):
         self.assertIsInstance(CachedCostItem.cost, py_functools.cached_property)
 
     def test_doc(self):
-        self.assertEqual(CachedCostItem.cost.__doc__, "The cost of the item.")
+        self.assertEqual(CachedCostItem.cost.__doc__,
+                         ("The cost of the item."
+                          if support.HAVE_DOCSTRINGS
+                          else None))
 
     def test_subclass_with___set__(self):
         """Caching still works for a subclass defining __set__."""