/usr/lib/python2.7/test/test_dumbdbm.py is in libpython2.7-testsuite 2.7.6-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | """Test script for the dumbdbm module
Original by Roger E. Masse
"""
import os
import unittest
import dumbdbm
from test import test_support
_fname = test_support.TESTFN
def _delete_files():
for ext in [".dir", ".dat", ".bak"]:
try:
os.unlink(_fname + ext)
except OSError:
pass
class DumbDBMTestCase(unittest.TestCase):
_dict = {'0': '',
'a': 'Python:',
'b': 'Programming',
'c': 'the',
'd': 'way',
'f': 'Guido',
'g': 'intended'
}
def __init__(self, *args):
unittest.TestCase.__init__(self, *args)
def test_dumbdbm_creation(self):
f = dumbdbm.open(_fname, 'c')
self.assertEqual(f.keys(), [])
for key in self._dict:
f[key] = self._dict[key]
self.read_helper(f)
f.close()
@unittest.skipUnless(hasattr(os, 'chmod'), 'os.chmod not available')
@unittest.skipUnless(hasattr(os, 'umask'), 'os.umask not available')
def test_dumbdbm_creation_mode(self):
try:
old_umask = os.umask(0002)
f = dumbdbm.open(_fname, 'c', 0637)
f.close()
finally:
os.umask(old_umask)
expected_mode = 0635
if os.name != 'posix':
# Windows only supports setting the read-only attribute.
# This shouldn't fail, but doesn't work like Unix either.
expected_mode = 0666
import stat
st = os.stat(_fname + '.dat')
self.assertEqual(stat.S_IMODE(st.st_mode), expected_mode)
st = os.stat(_fname + '.dir')
self.assertEqual(stat.S_IMODE(st.st_mode), expected_mode)
def test_close_twice(self):
f = dumbdbm.open(_fname)
f['a'] = 'b'
self.assertEqual(f['a'], 'b')
f.close()
f.close()
def test_dumbdbm_modification(self):
self.init_db()
f = dumbdbm.open(_fname, 'w')
self._dict['g'] = f['g'] = "indented"
self.read_helper(f)
f.close()
def test_dumbdbm_read(self):
self.init_db()
f = dumbdbm.open(_fname, 'r')
self.read_helper(f)
f.close()
def test_dumbdbm_keys(self):
self.init_db()
f = dumbdbm.open(_fname)
keys = self.keys_helper(f)
f.close()
def test_write_write_read(self):
# test for bug #482460
f = dumbdbm.open(_fname)
f['1'] = 'hello'
f['1'] = 'hello2'
f.close()
f = dumbdbm.open(_fname)
self.assertEqual(f['1'], 'hello2')
f.close()
def test_line_endings(self):
# test for bug #1172763: dumbdbm would die if the line endings
# weren't what was expected.
f = dumbdbm.open(_fname)
f['1'] = 'hello'
f['2'] = 'hello2'
f.close()
# Mangle the file by adding \r before each newline
data = open(_fname + '.dir').read()
data = data.replace('\n', '\r\n')
open(_fname + '.dir', 'wb').write(data)
f = dumbdbm.open(_fname)
self.assertEqual(f['1'], 'hello')
self.assertEqual(f['2'], 'hello2')
def read_helper(self, f):
keys = self.keys_helper(f)
for key in self._dict:
self.assertEqual(self._dict[key], f[key])
def init_db(self):
f = dumbdbm.open(_fname, 'w')
for k in self._dict:
f[k] = self._dict[k]
f.close()
def keys_helper(self, f):
keys = f.keys()
keys.sort()
dkeys = self._dict.keys()
dkeys.sort()
self.assertEqual(keys, dkeys)
return keys
# Perform randomized operations. This doesn't make assumptions about
# what *might* fail.
def test_random(self):
import random
d = {} # mirror the database
for dummy in range(5):
f = dumbdbm.open(_fname)
for dummy in range(100):
k = random.choice('abcdefghijklm')
if random.random() < 0.2:
if k in d:
del d[k]
del f[k]
else:
v = random.choice('abc') * random.randrange(10000)
d[k] = v
f[k] = v
self.assertEqual(f[k], v)
f.close()
f = dumbdbm.open(_fname)
expected = d.items()
expected.sort()
got = f.items()
got.sort()
self.assertEqual(expected, got)
f.close()
def tearDown(self):
_delete_files()
def setUp(self):
_delete_files()
def test_main():
try:
test_support.run_unittest(DumbDBMTestCase)
finally:
_delete_files()
if __name__ == "__main__":
test_main()
|