| 1 | n/a | from test import support |
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| 2 | n/a | support.import_module("dbm.ndbm") #skip if not supported |
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| 3 | n/a | import unittest |
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| 4 | n/a | import dbm.ndbm |
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| 5 | n/a | from dbm.ndbm import error |
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| 6 | n/a | |
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| 7 | n/a | class DbmTestCase(unittest.TestCase): |
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| 8 | n/a | |
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| 9 | n/a | def setUp(self): |
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| 10 | n/a | self.filename = support.TESTFN |
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| 11 | n/a | self.d = dbm.ndbm.open(self.filename, 'c') |
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| 12 | n/a | self.d.close() |
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| 13 | n/a | |
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| 14 | n/a | def tearDown(self): |
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| 15 | n/a | for suffix in ['', '.pag', '.dir', '.db']: |
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| 16 | n/a | support.unlink(self.filename + suffix) |
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| 17 | n/a | |
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| 18 | n/a | def test_keys(self): |
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| 19 | n/a | self.d = dbm.ndbm.open(self.filename, 'c') |
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| 20 | n/a | self.assertTrue(self.d.keys() == []) |
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| 21 | n/a | self.d['a'] = 'b' |
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| 22 | n/a | self.d[b'bytes'] = b'data' |
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| 23 | n/a | self.d['12345678910'] = '019237410982340912840198242' |
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| 24 | n/a | self.d.keys() |
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| 25 | n/a | self.assertIn('a', self.d) |
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| 26 | n/a | self.assertIn(b'a', self.d) |
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| 27 | n/a | self.assertEqual(self.d[b'bytes'], b'data') |
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| 28 | n/a | self.d.close() |
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| 29 | n/a | |
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| 30 | n/a | def test_modes(self): |
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| 31 | n/a | for mode in ['r', 'rw', 'w', 'n']: |
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| 32 | n/a | try: |
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| 33 | n/a | self.d = dbm.ndbm.open(self.filename, mode) |
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| 34 | n/a | self.d.close() |
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| 35 | n/a | except error: |
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| 36 | n/a | self.fail() |
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| 37 | n/a | |
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| 38 | n/a | def test_context_manager(self): |
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| 39 | n/a | with dbm.ndbm.open(self.filename, 'c') as db: |
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| 40 | n/a | db["ndbm context manager"] = "context manager" |
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| 41 | n/a | |
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| 42 | n/a | with dbm.ndbm.open(self.filename, 'r') as db: |
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| 43 | n/a | self.assertEqual(list(db.keys()), [b"ndbm context manager"]) |
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| 44 | n/a | |
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| 45 | n/a | with self.assertRaises(dbm.ndbm.error) as cm: |
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| 46 | n/a | db.keys() |
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| 47 | n/a | self.assertEqual(str(cm.exception), |
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| 48 | n/a | "DBM object has already been closed") |
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| 49 | n/a | |
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| 50 | n/a | |
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| 51 | n/a | if __name__ == '__main__': |
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| 52 | n/a | unittest.main() |
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