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
30 class TestLockAttemptTimeoutStrategy(unittest.TestCase):
31 def testConstants(self):
32 tpa = mcpu._LockAttemptTimeoutStrategy._TIMEOUT_PER_ATTEMPT
33 self.assert_(len(tpa) > 10)
34 self.assert_(sum(tpa) >= 150.0)
37 strat = mcpu._LockAttemptTimeoutStrategy(_random_fn=lambda: 0.5,
40 self.assertEqual(strat._attempt, 0)
43 for _ in range(len(mcpu._LockAttemptTimeoutStrategy._TIMEOUT_PER_ATTEMPT)):
44 timeout = strat.CalcRemainingTimeout()
45 self.assert_(timeout is not None)
47 self.assert_(timeout <= 10.0)
48 self.assert_(prev is None or timeout >= prev)
50 strat = strat.NextAttempt()
54 self.assert_(strat.CalcRemainingTimeout() is None)
57 if __name__ == "__main__":