84 lines
2.5 KiB
Python
Executable File
84 lines
2.5 KiB
Python
Executable File
import unittest
|
|
import os
|
|
from test.test_support import (verbose, TESTFN, run_unittest, unlink,
|
|
import_module)
|
|
gdbm = import_module('gdbm')
|
|
|
|
|
|
filename = TESTFN
|
|
|
|
class TestGdbm(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.g = None
|
|
|
|
def tearDown(self):
|
|
if self.g is not None:
|
|
self.g.close()
|
|
unlink(filename)
|
|
|
|
def test_key_methods(self):
|
|
self.g = gdbm.open(filename, 'c')
|
|
self.assertEqual(self.g.keys(), [])
|
|
self.g['a'] = 'b'
|
|
self.g['12345678910'] = '019237410982340912840198242'
|
|
key_set = set(self.g.keys())
|
|
self.assertEqual(key_set, frozenset(['a', '12345678910']))
|
|
self.assertTrue(self.g.has_key('a'))
|
|
key = self.g.firstkey()
|
|
while key:
|
|
self.assertTrue(key in key_set)
|
|
key_set.remove(key)
|
|
key = self.g.nextkey(key)
|
|
self.assertRaises(KeyError, lambda: self.g['xxx'])
|
|
|
|
def test_error_conditions(self):
|
|
# Try to open a non-existent database.
|
|
unlink(filename)
|
|
self.assertRaises(gdbm.error, gdbm.open, filename, 'r')
|
|
# Try to access a closed database.
|
|
self.g = gdbm.open(filename, 'c')
|
|
self.g.close()
|
|
self.assertRaises(gdbm.error, lambda: self.g['a'])
|
|
# try pass an invalid open flag
|
|
self.assertRaises(gdbm.error, lambda: gdbm.open(filename, 'rx').close())
|
|
|
|
def test_flags(self):
|
|
# Test the flag parameter open() by trying all supported flag modes.
|
|
all = set(gdbm.open_flags)
|
|
# Test standard flags (presumably "crwn").
|
|
modes = all - set('fsu')
|
|
for mode in modes:
|
|
self.g = gdbm.open(filename, mode)
|
|
self.g.close()
|
|
|
|
# Test additional flags (presumably "fsu").
|
|
flags = all - set('crwn')
|
|
for mode in modes:
|
|
for flag in flags:
|
|
self.g = gdbm.open(filename, mode + flag)
|
|
self.g.close()
|
|
|
|
def test_reorganize(self):
|
|
self.g = gdbm.open(filename, 'c')
|
|
size0 = os.path.getsize(filename)
|
|
|
|
self.g['x'] = 'x' * 10000
|
|
size1 = os.path.getsize(filename)
|
|
self.assertTrue(size0 < size1)
|
|
|
|
del self.g['x']
|
|
# 'size' is supposed to be the same even after deleting an entry.
|
|
self.assertEqual(os.path.getsize(filename), size1)
|
|
|
|
self.g.reorganize()
|
|
size2 = os.path.getsize(filename)
|
|
self.assertTrue(size1 > size2 >= size0)
|
|
|
|
|
|
def test_main():
|
|
run_unittest(TestGdbm)
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|