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[3.14] gh-136297: Test all pickle protocols in test_zoneinfo_property.py (GH-136298) (#136311)

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gh-136297: Test all `pickle` protocols in `test_zoneinfo_property.py` (GH-136298)
(cherry picked from commit 5de7e3f973)

Co-authored-by: sobolevn <mail@sobolevn.me>
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Miss Islington (bot) 2025-07-05 08:39:48 +02:00 • committed by GitHub
parent 6d21cc54ff
commit c62c523e03
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1 changed files with 11 additions and 7 deletions
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18
Lib/test/test_zoneinfo/test_zoneinfo_property.py
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@ -146,20 +146,24 @@ def setUp(self):
@add_key_examples
def test_pickle_unpickle_cache(self, key):
zi = self.klass(key)
pkl_str = pickle.dumps(zi)
zi_rt = pickle.loads(pkl_str)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.subTest(proto=proto):
pkl_str = pickle.dumps(zi, proto)
zi_rt = pickle.loads(pkl_str)
self.assertIs(zi, zi_rt)
self.assertIs(zi, zi_rt)
@hypothesis.given(key=valid_keys())
@add_key_examples
def test_pickle_unpickle_no_cache(self, key):
zi = self.klass.no_cache(key)
pkl_str = pickle.dumps(zi)
zi_rt = pickle.loads(pkl_str)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.subTest(proto=proto):
pkl_str = pickle.dumps(zi, proto)
zi_rt = pickle.loads(pkl_str)
self.assertIsNot(zi, zi_rt)
self.assertEqual(str(zi), str(zi_rt))
self.assertIsNot(zi, zi_rt)
self.assertEqual(str(zi), str(zi_rt))
@hypothesis.given(key=valid_keys())
@add_key_examples