class TestObservable(TestCase):
@setup
def setup_observer(self):
self.obs = Observable()
def test_attach(self):
def func():
return 1
self.obs.attach('a', func)
assert_equal(len(self.obs._observers), 1)
assert_equal(self.obs._observers['a'], [func])
def test_listen_seq(self):
def func():
return 1
self.obs.attach(['a', 'b'], func)
assert_equal(len(self.obs._observers), 2)
assert_equal(self.obs._observers['a'], [func])
assert_equal(self.obs._observers['b'], [func])
def test_notify(self):
handler = mock.MagicMock()
self.obs.attach(['a', 'b'], handler)
self.obs.notify('a')
assert_equal(len(handler.handler.mock_calls), 1)
self.obs.notify('b')
assert_equal(len(handler.handler.mock_calls), 2)
class ObservableTestCase(TestCase):
@setup
def setup_observer(self):
self.obs = Observable()
def test_attach(self):
func = lambda: 1
self.obs.attach('a', func)
assert_equal(len(self.obs._observers), 1)
assert_equal(self.obs._observers['a'], [func])
def test_listen_seq(self):
func = lambda: 1
self.obs.attach(['a', 'b'], func)
assert_equal(len(self.obs._observers), 2)
assert_equal(self.obs._observers['a'], [func])
assert_equal(self.obs._observers['b'], [func])
def test_notify(self):
handler = turtle.Turtle()
self.obs.attach(['a', 'b'], handler)
self.obs.notify('a')
assert_equal(len(handler.handler.calls), 1)
self.obs.notify('b')
assert_equal(len(handler.handler.calls), 2)
def setup_observer(self):
self.obs = Observable()
func = lambda: 1
self.obs.attach('a', func)
self.obs.attach('b', func)
self.obs.attach(True, func)
self.obs.attach(['a', 'b'], func)
def setup_observer(self):
self.obs = Observable()
def func():
return 1
self.obs.attach('a', func)
self.obs.attach('b', func)
self.obs.attach(True, func)
self.obs.attach(['a', 'b'], func)
class TestObserver(TestCase):
@setup
def setup_observer(self):
self.obs = Observable()
def test_watch(self):
event = "FIVE"
handler = MockObserver(self.obs, event)
self.obs.notify(event)
assert_equal(handler.has_watched, 1)
self.obs.notify("other event")
assert_equal(handler.has_watched, 1)
self.obs.notify(event)
assert_equal(handler.has_watched, 2)
class TestObserverClear(TestCase):
@setup
def setup_observer(self):
self.obs = Observable()
def func():
return 1
self.obs.attach('a', func)
self.obs.attach('b', func)
self.obs.attach(True, func)
self.obs.attach(['a', 'b'], func)
def test_clear_listeners_all(self):
self.obs.clear_observers()
assert_equal(len(self.obs._observers), 0)
def test_clear_listeners_some(self):
self.obs.clear_observers('a')
assert_equal(len(self.obs._observers), 2)
assert_equal(set(self.obs._observers.keys()), {True, 'b'})
def test_remove_observer_none(self):
def observer():
return 2
self.obs.remove_observer(observer)
assert_equal(set(self.obs._observers.keys()), {True, 'a', 'b'})
assert_length(self.obs._observers['a'], 2)
assert_length(self.obs._observers['b'], 2)
assert_length(self.obs._observers[True], 1)
def test_remove_observer(self):
def observer():
return 2
self.obs.attach('a', observer)
self.obs.attach('c', observer)
self.obs.remove_observer(observer)
assert_length(self.obs._observers['a'], 2)
assert_length(self.obs._observers['b'], 2)
assert_length(self.obs._observers[True], 1)
assert_length(self.obs._observers['c'], 0)
def setup_observer(self):
self.obs = Observable()
class ObserverClearTestCase(TestCase):
@setup
def setup_observer(self):
self.obs = Observable()
func = lambda: 1
self.obs.attach('a', func)
self.obs.attach('b', func)
self.obs.attach(True, func)
self.obs.attach(['a', 'b'], func)
def test_clear_listeners_all(self):
self.obs.clear_observers()
assert_equal(len(self.obs._observers), 0)
def test_clear_listeners_some(self):
self.obs.clear_observers('a')
assert_equal(len(self.obs._observers), 2)
assert_equal(set(self.obs._observers.keys()), set([True, 'b']))
def test_remove_observer_none(self):
observer = lambda: 2
self.obs.remove_observer(observer)
assert_equal(set(self.obs._observers.keys()), set([True, 'a', 'b']))
assert_length(self.obs._observers['a'], 2)
assert_length(self.obs._observers['b'], 2)
assert_length(self.obs._observers[True], 1)
def test_remove_observer(self):
observer = lambda: 2
self.obs.attach('a', observer)
self.obs.attach('c', observer)
self.obs.remove_observer(observer)
assert_length(self.obs._observers['a'], 2)
assert_length(self.obs._observers['b'], 2)
assert_length(self.obs._observers[True], 1)
assert_length(self.obs._observers['c'], 0)
