def setUp(self):
self._pom_found_subject = PomFoundSubject()
self._test_observer = TestPomFoundObserver()
class PomFoundSubjectTest(unittest.TestCase):
test_content = "some pom content"
def setUp(self):
self._pom_found_subject = PomFoundSubject()
self._test_observer = TestPomFoundObserver()
def tearDown(self):
self._pom_found_subject = None
def test_single_observer_called_with_correct_content(self):
self._pom_found_subject.register_observer(self._test_observer)
self._pom_found_subject.notify_observers(self.test_content)
self.assertEquals(self.test_content, self._test_observer.get_content())
def test_observer_can_be_unregistered(self):
self._pom_found_subject.register_observer(self._test_observer)
self._pom_found_subject.unregister_observer(self._test_observer)
self._pom_found_subject.notify_observers(self.test_content)
self.assertIsNone(self._test_observer.get_content())
def test_non_observers_not_registered(self):
self._pom_found_subject.register_observer(TestNotPomFoundObserver())
self._pom_found_subject.register_observer(None)
self._pom_found_subject.notify_observers(self.test_content)
