cpython/Lib/bsddb/test/test_sequence.py
Christian Heimes 23daade028 Merged revisions 61038,61042-61045,61047,61049-61053,61055-61057 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r61049 | christian.heimes | 2008-02-24 13:26:16 +0100 (Sun, 24 Feb 2008) | 1 line

  Use PY_FORMAT_SIZE_T instead of z for string formatting. Thanks Neal.
........
  r61051 | mark.dickinson | 2008-02-24 19:12:36 +0100 (Sun, 24 Feb 2008) | 2 lines

  Remove duplicate 'import re' in decimal.py
........
  r61052 | neal.norwitz | 2008-02-24 19:47:03 +0100 (Sun, 24 Feb 2008) | 11 lines

  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.
........
  r61057 | christian.heimes | 2008-02-24 23:48:05 +0100 (Sun, 24 Feb 2008) | 2 lines

  Added dependency rules for Objects/stringlib/*.h
  stringobject, unicodeobject and the two formatters are rebuild whenever a header files changes
........
2008-02-25 12:39:23 +00:00

111 lines
4 KiB
Python

import unittest
import os
import shutil
import sys
import tempfile
try:
# For Pythons w/distutils pybsddb
from bsddb3 import db
except ImportError:
from bsddb import db
from bsddb.test.test_all import verbose
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, 0o666)
self.d = db.DB(self.dbenv)
self.d.open(self.filename, db.DB_BTREE, db.DB_CREATE, 0o666)
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=b'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=b'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 = b'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=b'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=b'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=b'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=b'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=b'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')