cpython/Lib/test/test_dbm.py

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from test import test_support
import unittest
import dbm
class DbmTestCase(unittest.TestCase):
def setUp(self):
self.filename = test_support.TESTFN
self.d = dbm.open(self.filename, 'c')
self.d.close()
def tearDown(self):
for suffix in ['', '.pag', '.dir', '.db']:
test_support.unlink(self.filename + suffix)
def test_keys(self):
self.d = dbm.open(self.filename, 'c')
self.assertEqual(self.d.keys(), [])
a = [('a', 'b'), ('12345678910', '019237410982340912840198242')]
for k, v in a:
self.d[k] = v
self.assertEqual(sorted(self.d.keys()), sorted(k for (k, v) in a))
for k, v in a:
self.assert_(k in self.d)
self.assertEqual(self.d[k], v)
self.assert_('xxx' not in self.d)
self.assertRaises(KeyError, lambda: self.d['xxx'])
self.d.close()
def test_modes(self):
for mode in ['r', 'rw', 'w', 'n']:
try:
self.d = dbm.open(self.filename, mode)
self.d.close()
except dbm.error:
self.fail()
def test_main():
test_support.run_unittest(DbmTestCase)
if __name__ == '__main__':
test_main()