cpython/Lib/test/test_anydbm.py

94 lines
2.1 KiB
Python

#! /usr/bin/env python
"""Test script for the anydbm module
based on testdumbdbm.py
"""
import os
import unittest
import anydbm
import glob
from test import test_support
_fname = test_support.TESTFN
def _delete_files():
# we don't know the precise name the underlying database uses
# so we use glob to locate all names
for f in glob.glob(_fname + "*"):
try:
os.unlink(f)
except OSError:
pass
class AnyDBMTestCase(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_anydbm_creation(self):
f = anydbm.open(_fname, 'c')
self.assertEqual(f.keys(), [])
for key in self._dict:
f[key] = self._dict[key]
self.read_helper(f)
f.close()
def test_anydbm_modification(self):
self.init_db()
f = anydbm.open(_fname, 'c')
self._dict['g'] = f['g'] = "indented"
self.read_helper(f)
f.close()
def test_anydbm_read(self):
self.init_db()
f = anydbm.open(_fname, 'r')
self.read_helper(f)
f.close()
def test_anydbm_keys(self):
self.init_db()
f = anydbm.open(_fname, 'r')
keys = self.keys_helper(f)
f.close()
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 = anydbm.open(_fname, 'n')
for k in self._dict:
f[k] = self._dict[k]
f.close()
def keys_helper(self, f):
keys = sorted(f.keys())
dkeys = sorted(self._dict.keys())
self.assertEqual(keys, dkeys)
return keys
def tearDown(self):
_delete_files()
def setUp(self):
_delete_files()
def test_main():
try:
test_support.run_unittest(AnyDBMTestCase)
finally:
_delete_files()
if __name__ == "__main__":
test_main()