def test_invalid_instance_for_start(self):
instance = Instance(**self.params)
wrong_number = instance.number_of_processes
algorithm = StartAlgorithm()
algorithm.setInstance(instance)
algorithm.instance.process_num = wrong_number
self.assertEquals(str(algorithm.isValidInstanceForStart()),
"number %d must be between [0..%d)" %
(wrong_number, instance.number_of_processes))
algorithm.instance.process_num = 0
algorithm.instance.auto_start = False
self.assertEquals(str(algorithm.isValidInstanceForStart()),
"not started, because no-auto-start is set")
algorithm.force = True
self.assertTrue(algorithm.isValidInstanceForStart())
