class ObservableTest(unittest.TestCase):
def setUp(self):
self.s = Observable()
def test_listeners(self):
called = [False, False] # if listeners were called
lst = list()
def listener1(item):
called[0] = True
lst.append(item)
def listener2(item):
called[1] = True
lst.append(item)
self.s.add_listener(listener1)
self.s.add_listener(listener2)
self.assertSequenceEqual(self.s.listeners, [listener1, listener2])
self.s.notify("42")
self.assertTrue(called[0])
self.assertTrue(called[1])
self.assertSequenceEqual(lst, ["42"] * 2)
self.s.remove_listener(listener1)
self.assertEqual(1, len(self.s.listeners))
class ObservableTest(unittest.TestCase):
def setUp(self):
self.s = Observable()
def test_listeners(self):
called = [False, False]# if listeners were called
lst = list()
def listener1(item):
called[0] = True
lst.append(item)
def listener2(item):
called[1] = True
lst.append(item)
self.s.add_listener(listener1)
self.s.add_listener(listener2)
self.assertSequenceEqual(self.s.listeners, [listener1, listener2])
self.s.notify("42")
self.assertTrue(called[0])
self.assertTrue(called[1])
self.assertSequenceEqual(lst, ["42"] * 2)
self.s.remove_listener(listener1)
self.assertEqual(1, len(self.s.listeners))
def setUp(self):
self.s = Observable()
def setUp(self):
self.s = Observable()