author | Shane McErlean <shane.mcerlean@accenture.com> |
Fri, 27 Aug 2010 15:33:49 +0100 | |
changeset 101 | 1e82a8be084a |
parent 1 | 2fb8b9db1c86 |
permissions | -rw-r--r-- |
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Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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import gdbm |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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import unittest |
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import os |
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from test.test_support import verbose, TESTFN, run_unittest, unlink |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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filename = TESTFN |
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class TestGdbm(unittest.TestCase): |
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def setUp(self): |
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self.g = None |
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def tearDown(self): |
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if self.g is not None: |
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self.g.close() |
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unlink(filename) |
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def test_key_methods(self): |
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self.g = gdbm.open(filename, 'c') |
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self.assertEqual(self.g.keys(), []) |
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self.g['a'] = 'b' |
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self.g['12345678910'] = '019237410982340912840198242' |
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key_set = set(self.g.keys()) |
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self.assertEqual(key_set, frozenset(['a', '12345678910'])) |
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self.assert_(self.g.has_key('a')) |
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key = self.g.firstkey() |
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while key: |
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self.assert_(key in key_set) |
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key_set.remove(key) |
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key = self.g.nextkey(key) |
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self.assertRaises(KeyError, lambda: self.g['xxx']) |
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def test_error_conditions(self): |
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# Try to open a non-existent database. |
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unlink(filename) |
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self.assertRaises(gdbm.error, gdbm.open, filename, 'r') |
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# Try to access a closed database. |
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self.g = gdbm.open(filename, 'c') |
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self.g.close() |
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self.assertRaises(gdbm.error, lambda: self.g['a']) |
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# try pass an invalid open flag |
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self.assertRaises(gdbm.error, lambda: gdbm.open(filename, 'rx').close()) |
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def test_flags(self): |
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# Test the flag parameter open() by trying all supported flag modes. |
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all = set(gdbm.open_flags) |
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# Test standard flags (presumably "crwn"). |
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modes = all - set('fsu') |
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for mode in modes: |
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self.g = gdbm.open(filename, mode) |
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self.g.close() |
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# Test additional flags (presumably "fsu"). |
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flags = all - set('crwn') |
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for mode in modes: |
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for flag in flags: |
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self.g = gdbm.open(filename, mode + flag) |
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self.g.close() |
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def test_reorganize(self): |
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self.g = gdbm.open(filename, 'c') |
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size0 = os.path.getsize(filename) |
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self.g['x'] = 'x' * 10000 |
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size1 = os.path.getsize(filename) |
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self.assert_(size0 < size1) |
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del self.g['x'] |
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# 'size' is supposed to be the same even after deleting an entry. |
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self.assertEqual(os.path.getsize(filename), size1) |
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self.g.reorganize() |
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size2 = os.path.getsize(filename) |
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self.assert_(size1 > size2 >= size0) |
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def test_main(): |
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run_unittest(TestGdbm) |
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if __name__ == '__main__': |
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test_main() |