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Text File  |  2006-06-09  |  4KB  |  113 lines
  1. import unittest
  2. import os
  3. import sys
  4. import tempfile
  5. import glob
  6.  
  7. try:
  8.     # For Pythons w/distutils pybsddb
  9.     from bsddb3 import db
  10. except ImportError:
  11.     from bsddb import db
  12.  
  13. from test_all import verbose
  14.  
  15.  
  16. class DBSequenceTest(unittest.TestCase):
  17.     def setUp(self):
  18.         self.int_32_max = 0x100000000
  19.         self.homeDir = os.path.join(os.path.dirname(sys.argv[0]), 'db_home')
  20.         try:
  21.             os.mkdir(self.homeDir)
  22.         except os.error:
  23.             pass
  24.         tempfile.tempdir = self.homeDir
  25.         self.filename = os.path.split(tempfile.mktemp())[1]
  26.         tempfile.tempdir = None
  27.  
  28.         self.dbenv = db.DBEnv()
  29.         self.dbenv.open(self.homeDir, db.DB_CREATE | db.DB_INIT_MPOOL, 0666)
  30.         self.d = db.DB(self.dbenv)
  31.         self.d.open(self.filename, db.DB_BTREE, db.DB_CREATE, 0666)
  32.  
  33.     def tearDown(self):
  34.         if hasattr(self, 'seq'):
  35.             self.seq.close()
  36.             del self.seq
  37.         if hasattr(self, 'd'):
  38.             self.d.close()
  39.             del self.d
  40.         if hasattr(self, 'dbenv'):
  41.             self.dbenv.close()
  42.             del self.dbenv
  43.  
  44.         files = glob.glob(os.path.join(self.homeDir, '*'))
  45.         for file in files:
  46.             os.remove(file)
  47.  
  48.     def test_get(self):
  49.         self.seq = db.DBSequence(self.d, flags=0)
  50.         start_value = 10 * self.int_32_max
  51.         self.assertEqual(0xA00000000, start_value)
  52.         self.assertEquals(None, self.seq.init_value(start_value))
  53.         self.assertEquals(None, self.seq.open(key='id', txn=None, flags=db.DB_CREATE))
  54.         self.assertEquals(start_value, self.seq.get(5))
  55.         self.assertEquals(start_value + 5, self.seq.get())
  56.  
  57.     def test_remove(self):
  58.         self.seq = db.DBSequence(self.d, flags=0)
  59.         self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
  60.         self.assertEquals(None, self.seq.remove(txn=None, flags=0))
  61.         del self.seq
  62.  
  63.     def test_get_key(self):
  64.         self.seq = db.DBSequence(self.d, flags=0)
  65.         key = 'foo'
  66.         self.assertEquals(None, self.seq.open(key=key, txn=None, flags=db.DB_CREATE))
  67.         self.assertEquals(key, self.seq.get_key())
  68.  
  69.     def test_get_dbp(self):
  70.         self.seq = db.DBSequence(self.d, flags=0)
  71.         self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
  72.         self.assertEquals(self.d, self.seq.get_dbp())
  73.  
  74.     def test_cachesize(self):
  75.         self.seq = db.DBSequence(self.d, flags=0)
  76.         cashe_size = 10
  77.         self.assertEquals(None, self.seq.set_cachesize(cashe_size))
  78.         self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
  79.         self.assertEquals(cashe_size, self.seq.get_cachesize())
  80.  
  81.     def test_flags(self):
  82.         self.seq = db.DBSequence(self.d, flags=0)
  83.         flag = db.DB_SEQ_WRAP;
  84.         self.assertEquals(None, self.seq.set_flags(flag))
  85.         self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
  86.         self.assertEquals(flag, self.seq.get_flags() & flag)
  87.  
  88.     def test_range(self):
  89.         self.seq = db.DBSequence(self.d, flags=0)
  90.         seq_range = (10 * self.int_32_max, 11 * self.int_32_max - 1)
  91.         self.assertEquals(None, self.seq.set_range(seq_range))
  92.         self.seq.init_value(seq_range[0])
  93.         self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
  94.         self.assertEquals(seq_range, self.seq.get_range())
  95.  
  96.     def test_stat(self):
  97.         self.seq = db.DBSequence(self.d, flags=0)
  98.         self.assertEquals(None, self.seq.open(key='foo', txn=None, flags=db.DB_CREATE))
  99.         stat = self.seq.stat()
  100.         for param in ('nowait', 'min', 'max', 'value', 'current',
  101.                       'flags', 'cache_size', 'last_value', 'wait'):
  102.             self.assertTrue(param in stat, "parameter %s isn't in stat info" % param)
  103.  
  104. def test_suite():
  105.     suite = unittest.TestSuite()
  106.     if db.version() >= (4,3):
  107.         suite.addTest(unittest.makeSuite(DBSequenceTest))
  108.     return suite
  109.  
  110.  
  111. if __name__ == '__main__':
  112.     unittest.main(defaultTest='test_suite')
  113.