Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_dbm_gnu.py @ 78069:a8aa77458e12 3.2

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Add c_size_t and c_ssize_t to the ctypes summary table.
author Antoine Pitrou <solipsis@pitrou.net>
date Thu, 12 Jul 2012 20:31:50 +0200
parents 3a8cabb3ebc6
children b62317fe1a22
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rev   line source
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7347d916f13a Allow skipping of regression tests not supported on windows. This reduces noise in the regression test suite for py3k on Windows.
Kristján Valur Jónsson <kristjan@ccpgames.com>
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1 from test import support
7347d916f13a Allow skipping of regression tests not supported on windows. This reduces noise in the regression test suite for py3k on Windows.
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2 gdbm = support.import_module("dbm.gnu") #skip if not supported
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3 import unittest
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4 import os
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5 from test.support import verbose, TESTFN, run_unittest, unlink
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7
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3d7798feafc5 Don't use a fixed temporary name (gdbm).
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8 filename = TESTFN
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3fc6042a2acb Test script for the GNU dbm module (gdbm)
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9
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10 class TestGdbm(unittest.TestCase):
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11 def setUp(self):
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12 self.g = None
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14 def tearDown(self):
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15 if self.g is not None:
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16 self.g.close()
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17 unlink(filename)
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19 def test_key_methods(self):
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20 self.g = gdbm.open(filename, 'c')
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21 self.assertEqual(self.g.keys(), [])
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22 self.g['a'] = 'b'
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23 self.g['12345678910'] = '019237410982340912840198242'
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24 self.g[b'bytes'] = b'data'
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25 key_set = set(self.g.keys())
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26 self.assertEqual(key_set, set([b'a', b'bytes', b'12345678910']))
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27 self.assertIn(b'a', self.g)
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28 self.assertEqual(self.g[b'bytes'], b'data')
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29 key = self.g.firstkey()
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30 while key:
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31 self.assertIn(key, key_set)
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32 key_set.remove(key)
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33 key = self.g.nextkey(key)
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34 self.assertRaises(KeyError, lambda: self.g['xxx'])
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35 # get() and setdefault() work as in the dict interface
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36 self.assertEqual(self.g.get(b'xxx', b'foo'), b'foo')
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37 self.assertEqual(self.g.setdefault(b'xxx', b'foo'), b'foo')
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38 self.assertEqual(self.g[b'xxx'], b'foo')
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39
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40 def test_error_conditions(self):
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41 # Try to open a non-existent database.
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42 unlink(filename)
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43 self.assertRaises(gdbm.error, gdbm.open, filename, 'r')
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44 # Try to access a closed database.
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45 self.g = gdbm.open(filename, 'c')
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46 self.g.close()
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47 self.assertRaises(gdbm.error, lambda: self.g['a'])
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48 # try pass an invalid open flag
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49 self.assertRaises(gdbm.error, lambda: gdbm.open(filename, 'rx').close())
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50
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51 def test_flags(self):
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52 # Test the flag parameter open() by trying all supported flag modes.
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53 all = set(gdbm.open_flags)
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54 # Test standard flags (presumably "crwn").
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55 modes = all - set('fsu')
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56 for mode in sorted(modes): # put "c" mode first
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57 self.g = gdbm.open(filename, mode)
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58 self.g.close()
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59
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60 # Test additional flags (presumably "fsu").
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61 flags = all - set('crwn')
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62 for mode in modes:
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63 for flag in flags:
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64 self.g = gdbm.open(filename, mode + flag)
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65 self.g.close()
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3fc6042a2acb Test script for the GNU dbm module (gdbm)
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66
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67 def test_reorganize(self):
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68 self.g = gdbm.open(filename, 'c')
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69 size0 = os.path.getsize(filename)
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70
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71 self.g['x'] = 'x' * 10000
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72 size1 = os.path.getsize(filename)
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73 self.assertTrue(size0 < size1)
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74
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75 del self.g['x']
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76 # 'size' is supposed to be the same even after deleting an entry.
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77 self.assertEqual(os.path.getsize(filename), size1)
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78
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79 self.g.reorganize()
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80 size2 = os.path.getsize(filename)
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81 self.assertTrue(size1 > size2 >= size0)
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82
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83
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84 def test_main():
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85 run_unittest(TestGdbm)
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86
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87 if __name__ == '__main__':
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88 test_main()