Close #19156: add tests and fix for Enum helper edge cases. Patch from CliffM.
diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index d59c5e3..3d962f9 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -58,6 +58,35 @@
except Exception:
pass
+
+class TestHelpers(unittest.TestCase):
+ # _is_descriptor, _is_sunder, _is_dunder
+
+ def test_is_descriptor(self):
+ class foo:
+ pass
+ for attr in ('__get__','__set__','__delete__'):
+ obj = foo()
+ self.assertFalse(enum._is_descriptor(obj))
+ setattr(obj, attr, 1)
+ self.assertTrue(enum._is_descriptor(obj))
+
+ def test_is_sunder(self):
+ for s in ('_a_', '_aa_'):
+ self.assertTrue(enum._is_sunder(s))
+
+ for s in ('a', 'a_', '_a', '__a', 'a__', '__a__', '_a__', '__a_', '_',
+ '__', '___', '____', '_____',):
+ self.assertFalse(enum._is_sunder(s))
+
+ def test_is_dunder(self):
+ for s in ('__a__', '__aa__'):
+ self.assertTrue(enum._is_dunder(s))
+ for s in ('a', 'a_', '_a', '__a', 'a__', '_a_', '_a__', '__a_', '_',
+ '__', '___', '____', '_____',):
+ self.assertFalse(enum._is_dunder(s))
+
+
class TestEnum(unittest.TestCase):
def setUp(self):
class Season(Enum):