| 1 |
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| 2 | import os
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| 3 | import pickle
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| 4 | import sys
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| 5 |
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| 6 | if sys.version_info[0] < 3 :
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| 7 | try:
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| 8 | import cPickle
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| 9 | except ImportError:
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| 10 | cPickle = None
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| 11 | else :
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| 12 | cPickle = None
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| 13 |
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| 14 | import unittest
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| 15 |
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| 16 | from test_all import db, test_support, get_new_environment_path, get_new_database_path
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| 17 |
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| 18 | #----------------------------------------------------------------------
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| 19 |
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| 20 | class pickleTestCase(unittest.TestCase):
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| 21 | """Verify that DBError can be pickled and unpickled"""
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| 22 | db_name = 'test-dbobj.db'
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| 23 |
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| 24 | def setUp(self):
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| 25 | self.homeDir = get_new_environment_path()
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| 26 |
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| 27 | def tearDown(self):
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| 28 | if hasattr(self, 'db'):
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| 29 | del self.db
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| 30 | if hasattr(self, 'env'):
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| 31 | del self.env
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| 32 | test_support.rmtree(self.homeDir)
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| 33 |
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| 34 | def _base_test_pickle_DBError(self, pickle):
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| 35 | self.env = db.DBEnv()
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| 36 | self.env.open(self.homeDir, db.DB_CREATE | db.DB_INIT_MPOOL)
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| 37 | self.db = db.DB(self.env)
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| 38 | self.db.open(self.db_name, db.DB_HASH, db.DB_CREATE)
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| 39 | self.db.put('spam', 'eggs')
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| 40 | self.assertEqual(self.db['spam'], 'eggs')
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| 41 | try:
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| 42 | self.db.put('spam', 'ham', flags=db.DB_NOOVERWRITE)
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| 43 | except db.DBError, egg:
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| 44 | pickledEgg = pickle.dumps(egg)
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| 45 | #print repr(pickledEgg)
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| 46 | rottenEgg = pickle.loads(pickledEgg)
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| 47 | if rottenEgg.args != egg.args or type(rottenEgg) != type(egg):
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| 48 | raise Exception, (rottenEgg, '!=', egg)
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| 49 | else:
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| 50 | raise Exception, "where's my DBError exception?!?"
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| 51 |
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| 52 | self.db.close()
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| 53 | self.env.close()
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| 54 |
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| 55 | def test01_pickle_DBError(self):
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| 56 | self._base_test_pickle_DBError(pickle=pickle)
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| 57 |
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| 58 | if cPickle:
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| 59 | def test02_cPickle_DBError(self):
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| 60 | self._base_test_pickle_DBError(pickle=cPickle)
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| 61 |
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| 62 | #----------------------------------------------------------------------
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| 63 |
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| 64 | def test_suite():
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| 65 | return unittest.makeSuite(pickleTestCase)
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| 66 |
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| 67 | if __name__ == '__main__':
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| 68 | unittest.main(defaultTest='test_suite')
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