def test_notify(self):
"""Tests the notify method.
:return: None
"""
observable = base.Observable()
observer1 = base.Observer()
observer2 = base.Observer()
observable.add_observer(observer1)
observable.add_observer(observer2)
observable.notify()
def test_add_observer(self):
"""Tests the add observer method.
:return: None
"""
observable = base.Observable()
observer1 = base.Observer()
observer2 = base.Observer()
test_observers = [observer1, observer2]
observable.add_observer(observer1)
observable.add_observer(observer2)
for test_obs, ret_obs in zip(test_observers, observable.observers):
self.assertIs(test_obs, ret_obs)
def test_update(self):
"""Tests the observer update method.
:return: None
"""
observer = base.Observer()
observer.update()
def test_run(self):
"""Tests the run method.
:return: None
"""
observer = base.Observer()
sim = simulation.Simulation()
sim.add_observer(observer)
sim.run(10)
self.assertEqual(sim.current_time, 10)
def test_remove_observer(self):
"""Tests the remove observer method.
:return: None
"""
observable = base.Observable()
observer = base.Observer()
observable.add_observer(observer)
self.assertTrue(observable.observers)
self.assertIs(observable.observers[0], observer)
observable.remove_observer(observer)
self.assertFalse(observable.observers)