gh-103272: regression test for getattr exception in property (#103336)

sunmy2019 · web-flow · commit 5d7d86f2fdbb · 2023-04-07T12:11:11.000-07:00
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
@@ -5003,6 +5003,19 @@ class Child(Parent):
         gc.collect()
         self.assertEqual(Parent.__subclasses__(), [])
 
+    def test_attr_raise_through_property(self):
+        # add test case for gh-103272
+        class A:
+            def __getattr__(self, name):
+                raise ValueError("FOO")
+
+            @property
+            def foo(self):
+                return self.__getattr__("asdf")
+
+        with self.assertRaisesRegex(ValueError, "FOO"):
+            A().foo
+
 
 class DictProxyTests(unittest.TestCase):
     def setUp(self):
