def test_blocking_lock_file(self): my_file = tempfile.mktemp() lock_file = BlockingLockFile(my_file) lock_file._obtain_lock() # next one waits for the lock start = time.time() wait_time = 0.1 wait_lock = BlockingLockFile(my_file, 0.05, wait_time) self.failUnlessRaises(IOError, wait_lock._obtain_lock) elapsed = time.time() - start assert elapsed <= wait_time + 0.02 # some extra time it may cost
def test_blocking_lock_file(self): my_file = tempfile.mktemp() lock_file = BlockingLockFile(my_file) lock_file._obtain_lock() # next one waits for the lock start = time.time() wait_time = 0.1 wait_lock = BlockingLockFile(my_file, 0.05, wait_time) self.failUnlessRaises(IOError, wait_lock._obtain_lock) elapsed = time.time() - start extra_time = 0.02 if is_win: # for Appveyor extra_time *= 6 # NOTE: Indeterministic failures here... self.assertLess(elapsed, wait_time + extra_time)