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Close #19282: Native context management in dbm

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This commit is contained in:
Nick Coghlan 2013-11-17 15:59:51 +10:00
parent eb8ea265ba
commit c610aba1ed
8 changed files with 101 additions and 16 deletions
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13
Lib/test/test_dbm_ndbm.py
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@ -37,5 +37,18 @@ class DbmTestCase(unittest.TestCase):
except error:
self.fail()
def test_context_manager(self):
with dbm.ndbm.open(self.filename, 'c') as db:
db["ndbm context manager"] = "context manager"
with dbm.ndbm.open(self.filename, 'r') as db:
self.assertEqual(list(db.keys()), [b"ndbm context manager"])
with self.assertRaises(dbm.ndbm.error) as cm:
db.keys()
self.assertEqual(str(cm.exception),
"DBM object has already been closed")
if __name__ == '__main__':
unittest.main()