class ITimeStepStateTest(TestCase):
def setUp(self):
self._default = ITimeStepState(num_states=3)
self.assertIs(len(self._default), 3)
def test_has_same_features_as_state_iterator(self):
self.setUp()
is_iterable(self._default, IStepState, 3)
self.setUp()
has_current_accessor(self._default)
self.setUp()
has_previous_accessor(self._default)
self.setUp()
has_next_accessor(self._default)
self.setUp()
has_first_and_last_accessor(self._default)
self.setUp()
on_finalize_collect_solutions_and_finalize(self._default)
def test_provides_delta_time_step(self):
self.assertEqual(self._default.delta_time_step, 0.0)
self._default.delta_time_step = 1.0
self.assertIs(self._default.delta_time_step, 1.0)
with self.assertRaises(ValueError):
self._default.delta_time_step = -3.4
def test_has_initial_state(self):
self.assertIsNotNone(self._default.initial)
def test_has_proxies_for_step_time_points(self):
self._default.proceed()
self.assertIs(self._default.current_time_point, self._default.current_step.time_point)
self.assertIs(self._default.previous_time_point, self._default.previous_step.time_point)
self.assertIs(self._default.next_time_point, self._default.next_step.time_point)
self.assertIs(self._default.time_points.size, 3)
def test_has_aliases_for_state_accessors(self):
self.assertIs(self._default.current_step, self._default.current)
self.assertIs(self._default.current_step_index, self._default.current_index)
self.assertIs(self._default.next_step, self._default.next)
self.assertIs(self._default.next_step_index, self._default.next_index)
self.assertIs(self._default.last_step, self._default.last)
self.assertIs(self._default.last_step_index, self._default.last_index)
self.assertIs(self._default.previous_step, self._default.initial)
self.assertIsNone(self._default.previous_step_index)
self._default.proceed()
self.assertIs(self._default.current_step, self._default.current)
self.assertIs(self._default.current_step_index, self._default.current_index)
self.assertIs(self._default.previous_step, self._default.previous)
self.assertIs(self._default.previous_step_index, self._default.previous_index)
self.assertIs(self._default.next_step, self._default.next)
self.assertIs(self._default.next_step_index, self._default.next_index)
self.assertIs(self._default.last_step, self._default.last)
self.assertIs(self._default.last_step_index, self._default.last_index)
def setUp(self):
self._default = ITimeStepState(num_states=3)
self.assertIs(len(self._default), 3)