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bpo-43908: Mark ssl, hash, and hmac types as immutable (GH-25792)

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Signed-off-by: Christian Heimes <christian@python.org>
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Christian Heimes 2021-05-02 09:47:45 +02:00 • committed by GitHub
parent fd0bc7e7f4
commit 91554e4c5c
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13 changed files with 49 additions and 18 deletions
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9
Lib/test/test_hashlib.py
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@ -926,6 +926,15 @@ class HashLibTestCase(unittest.TestCase):
):
HASHXOF()
def test_readonly_types(self):
for algorithm, constructors in self.constructors_to_test.items():
# all other types have DISALLOW_INSTANTIATION
for constructor in constructors:
hash_type = type(constructor())
with self.subTest(hash_type=hash_type):
with self.assertRaisesRegex(TypeError, "immutable type"):
hash_type.value = False
class KDFTests(unittest.TestCase):