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bpo-36433: fix confusing error messages in classmethoddescr_call (GH-12556)

Browse source 
https://bugs.python.org/issue36433
This commit is contained in:
Inada Naoki 2019-03-26 18:26:33 +09:00 • committed by Miss Islington (bot)
parent b4d8f28a8a
commit 871309c775
3 changed files with 23 additions and 9 deletions
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21
Lib/test/test_descr.py
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@ -1597,12 +1597,27 @@ order (MRO) for bases """
self.assertEqual(x2, SubSpam)
self.assertEqual(a2, a1)
self.assertEqual(d2, d1)
with self.assertRaises(TypeError):
with self.assertRaises(TypeError) as cm:
spam_cm()
with self.assertRaises(TypeError):
self.assertEqual(
str(cm.exception),
"descriptor 'classmeth' of 'xxsubtype.spamlist' "
"object needs an argument")
with self.assertRaises(TypeError) as cm:
spam_cm(spam.spamlist())
with self.assertRaises(TypeError):
self.assertEqual(
str(cm.exception),
"descriptor 'classmeth' requires a type "
"but received a 'xxsubtype.spamlist' instance")
with self.assertRaises(TypeError) as cm:
spam_cm(list)
self.assertEqual(
str(cm.exception),
"descriptor 'classmeth' requires a subtype of 'xxsubtype.spamlist' "
"but received 'list'")
def test_staticmethods(self):
# Testing static methods...