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"""Miscellaneous bsddb module test cases
"""
import os, sys
import unittest
from test_all import db, dbshelve, hashopen, test_support, get_new_environment_path, get_new_database_path
#----------------------------------------------------------------------
class MiscTestCase(unittest.TestCase):
def setUp(self):
self.filename = get_new_database_path()
self.homeDir = get_new_environment_path()
def tearDown(self):
test_support.unlink(self.filename)
test_support.rmtree(self.homeDir)
def test01_badpointer(self):
dbs = dbshelve.open(self.filename)
dbs.close()
self.assertRaises(db.DBError, dbs.get, "foo")
def test02_db_home(self):
env = db.DBEnv()
# check for crash fixed when db_home is used before open()
self.assertTrue(env.db_home is None)
env.open(self.homeDir, db.DB_CREATE)
if sys.version_info[0] < 3 :
self.assertEqual(self.homeDir, env.db_home)
else :
self.assertEqual(bytes(self.homeDir, "ascii"), env.db_home)
def test03_repr_closed_db(self):
db = hashopen(self.filename)
db.close()
rp = repr(db)
self.assertEqual(rp, "{}")
def test04_repr_db(self) :
db = hashopen(self.filename)
d = {}
for i in xrange(100) :
db[repr(i)] = repr(100*i)
d[repr(i)] = repr(100*i)
db.close()
db = hashopen(self.filename)
rp = repr(db)
self.assertEqual(rp, repr(d))
db.close()
# http://sourceforge.net/tracker/index.php?func=detail&aid=1708868&group_id=13900&atid=313900
#
# See the bug report for details.
#
# The problem was that make_key_dbt() was not allocating a copy of
# string keys but FREE_DBT() was always being told to free it when the
# database was opened with DB_THREAD.
def test05_double_free_make_key_dbt(self):
try:
db1 = db.DB()
db1.open(self.filename, None, db.DB_BTREE,
db.DB_CREATE | db.DB_THREAD)
curs = db1.cursor()
t = curs.get("/foo", db.DB_SET)
# double free happened during exit from DBC_get
finally:
db1.close()
test_support.unlink(self.filename)
def test06_key_with_null_bytes(self):
try:
db1 = db.DB()
db1.open(self.filename, None, db.DB_HASH, db.DB_CREATE)
db1['a'] = 'eh?'
db1['a\x00'] = 'eh zed.'
db1['a\x00a'] = 'eh zed eh?'
db1['aaa'] = 'eh eh eh!'
keys = db1.keys()
keys.sort()
self.assertEqual(['a', 'a\x00', 'a\x00a', 'aaa'], keys)
self.assertEqual(db1['a'], 'eh?')
self.assertEqual(db1['a\x00'], 'eh zed.')
self.assertEqual(db1['a\x00a'], 'eh zed eh?')
self.assertEqual(db1['aaa'], 'eh eh eh!')
finally:
db1.close()
test_support.unlink(self.filename)
def test07_DB_set_flags_persists(self):
try:
db1 = db.DB()
db1.set_flags(db.DB_DUPSORT)
db1.open(self.filename, db.DB_HASH, db.DB_CREATE)
db1['a'] = 'eh'
db1['a'] = 'A'
self.assertEqual([('a', 'A')], db1.items())
db1.put('a', 'Aa')
self.assertEqual([('a', 'A'), ('a', 'Aa')], db1.items())
db1.close()
db1 = db.DB()
# no set_flags call, we're testing that it reads and obeys
# the flags on open.
db1.open(self.filename, db.DB_HASH)
self.assertEqual([('a', 'A'), ('a', 'Aa')], db1.items())
# if it read the flags right this will replace all values
# for key 'a' instead of adding a new one. (as a dict should)
db1['a'] = 'new A'
self.assertEqual([('a', 'new A')], db1.items())
finally:
db1.close()
test_support.unlink(self.filename)
def test08_ExceptionTypes(self) :
self.assertTrue(issubclass(db.DBError, Exception))
for i, j in db.__dict__.items() :
if i.startswith("DB") and i.endswith("Error") :
self.assertTrue(issubclass(j, db.DBError), msg=i)
if i not in ("DBKeyEmptyError", "DBNotFoundError") :
self.assertFalse(issubclass(j, KeyError), msg=i)
# This two exceptions have two bases
self.assertTrue(issubclass(db.DBKeyEmptyError, KeyError))
self.assertTrue(issubclass(db.DBNotFoundError, KeyError))
#----------------------------------------------------------------------
def test_suite():
return unittest.makeSuite(MiscTestCase)
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')
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