cpython/Lib/bsddb/test/test_sequence.py
Neal Norwitz 6057b2e645 Create a db_home directory with a unique name so multiple users can
run the test simultaneously.  The simplest thing I found that worked
on both Windows and Unix was to use the PID.  It's unique so should be
sufficient.  This should prevent many of the spurious failures of
the automated tests since they run as different users.

Also cleanup the directory consistenly in the tearDown methods.

It would be nice if someone ensured that the directories are always
created with a consistent name.
2008-02-24 18:47:03 +00:00

107 lines
3.9 KiB
Python

import unittest
import os
import tempfile
try:
# For Pythons w/distutils pybsddb
from bsddb3 import db
except ImportError:
from bsddb import db
class DBSequenceTest(unittest.TestCase):
def setUp(self):
self.int_32_max = 0x100000000
self.homeDir = os.path.join(tempfile.gettempdir(), 'db_home%d'%os.getpid())
try:
os.mkdir(self.homeDir)
except os.error:
pass
tempfile.tempdir = self.homeDir
self.filename = os.path.split(tempfile.mktemp())[1]
tempfile.tempdir = None
self.dbenv = db.DBEnv()
self.dbenv.open(self.homeDir, db.DB_CREATE | db.DB_INIT_MPOOL, 0666)
self.d = db.DB(self.dbenv)
self.d.open(self.filename, db.DB_BTREE, db.DB_CREATE, 0666)
def tearDown(self):
if hasattr(self, 'seq'):
self.seq.close()
del self.seq
if hasattr(self, 'd'):
self.d.close()
del self.d
if hasattr(self, 'dbenv'):
self.dbenv.close()
del self.dbenv
from test import test_support
test_support.rmtree(self.homeDir)
def test_get(self):
self.seq = db.DBSequence(self.d, flags=0)
start_value = 10 * self.int_32_max
self.assertEqual(0xA00000000, start_value)
self.assertEquals(None, self.seq.init_value(start_value))
self.assertEquals(None, self.seq.open(key='id', txn=None, flags=db.DB_CREATE))
self.assertEquals(start_value, self.seq.get(5))
self.assertEquals(start_value + 5, self.seq.get())
def test_remove(self):
self.seq = db.DBSequence(self.d, flags=0)
self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
self.assertEquals(None, self.seq.remove(txn=None, flags=0))
del self.seq
def test_get_key(self):
self.seq = db.DBSequence(self.d, flags=0)
key = 'foo'
self.assertEquals(None, self.seq.open(key=key, txn=None, flags=db.DB_CREATE))
self.assertEquals(key, self.seq.get_key())
def test_get_dbp(self):
self.seq = db.DBSequence(self.d, flags=0)
self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
self.assertEquals(self.d, self.seq.get_dbp())
def test_cachesize(self):
self.seq = db.DBSequence(self.d, flags=0)
cashe_size = 10
self.assertEquals(None, self.seq.set_cachesize(cashe_size))
self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
self.assertEquals(cashe_size, self.seq.get_cachesize())
def test_flags(self):
self.seq = db.DBSequence(self.d, flags=0)
flag = db.DB_SEQ_WRAP;
self.assertEquals(None, self.seq.set_flags(flag))
self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
self.assertEquals(flag, self.seq.get_flags() & flag)
def test_range(self):
self.seq = db.DBSequence(self.d, flags=0)
seq_range = (10 * self.int_32_max, 11 * self.int_32_max - 1)
self.assertEquals(None, self.seq.set_range(seq_range))
self.seq.init_value(seq_range[0])
self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
self.assertEquals(seq_range, self.seq.get_range())
def test_stat(self):
self.seq = db.DBSequence(self.d, flags=0)
self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
stat = self.seq.stat()
for param in ('nowait', 'min', 'max', 'value', 'current',
'flags', 'cache_size', 'last_value', 'wait'):
self.assertTrue(param in stat, "parameter %s isn't in stat info" % param)
def test_suite():
suite = unittest.TestSuite()
if db.version() >= (4,3):
suite.addTest(unittest.makeSuite(DBSequenceTest))
return suite
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')