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gh-115821: [Enum] better error message for calling super().__new__() (GH-116063)

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docs now state to not call super().__new__
if super().__new__ is called, a better error message is now used
This commit is contained in:
Ethan Furman 2024-02-28 15:17:49 -08:00 • committed by GitHub
parent 4d1d35b906
commit 3ea78fd5bc
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4 changed files with 22 additions and 1 deletions
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13
Lib/test/test_enum.py
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@ -447,7 +447,7 @@ class _EnumTests:
def test_bad_new_super(self):
with self.assertRaisesRegex(
TypeError,
'has no members defined',
'do not use .super...__new__;',
):
class BadSuper(self.enum_type):
def __new__(cls, value):
@ -3409,6 +3409,17 @@ class TestSpecial(unittest.TestCase):
self.assertIs(Types(2), Types.NetList)
self.assertIs(Types('nl'), Types.NetList)
def test_no_members(self):
with self.assertRaisesRegex(
TypeError,
'has no members',
):
Enum(7)
with self.assertRaisesRegex(
TypeError,
'has no members',
):
Flag(7)
class TestOrder(unittest.TestCase):
"test usage of the `_order_` attribute"