4 # Copyright (C) 2009 Google Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 """Script for unittesting the mcpu module"""
27 from ganeti import mcpu
32 class TestLockAttemptTimeoutStrategy(unittest.TestCase):
33 def testConstants(self):
34 tpa = mcpu._LockAttemptTimeoutStrategy._TIMEOUT_PER_ATTEMPT
35 self.assert_(len(tpa) > 10)
36 self.assert_(sum(tpa) >= 150.0)
39 strat = mcpu._LockAttemptTimeoutStrategy(_random_fn=lambda: 0.5,
42 self.assertEqual(strat._attempt, 0)
45 for i in range(len(mcpu._LockAttemptTimeoutStrategy._TIMEOUT_PER_ATTEMPT)):
46 timeout = strat.CalcRemainingTimeout()
47 self.assert_(timeout is not None)
49 self.assert_(timeout <= 10.0)
50 self.assert_(timeout >= 0.0)
51 self.assert_(prev is None or timeout >= prev)
53 strat = strat.NextAttempt()
54 self.assertEqual(strat._attempt, i + 1)
59 self.assert_(strat.CalcRemainingTimeout() is None)
62 if __name__ == "__main__":
63 testutils.GanetiTestProgram()