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