def test_signal_fired_with_kwargs(self):
s = Signal()
h = HandlerMock()
s.connect(h)
s.fire(foo='bar', marco='polo')
assert h.call_counter is 1
assert h.kwargs == {'foo': 'bar', 'marco': 'polo'}
def test_signal_fired_with_args(self):
s = Signal()
h = HandlerMock()
s.connect(h)
s.fire('ARG1', 2, 3)
assert h.call_counter is 1
assert h.args == ('ARG1', 2, 3)
def test_signal_fired_several_times(self):
s = Signal()
h = HandlerMock()
s.connect(h)
s.fire()
s.fire()
s.fire()
assert h.call_counter is 3
def test_signal_with_many_handler(self):
s = Signal()
handlers = [HandlerMock() for _ in range(10)]
for h in handlers:
s.connect(h)
s.fire()
for h in handlers:
assert h.call_counter is 1
def test_disconnect_all(self):
s = Signal()
h = HandlerMock()
h2 = HandlerMock()
s.connect(h)
s.fire()
s.connect(h2)
s.disconnect_all()
s.fire()
assert h.call_counter == 1
assert h2.call_counter == 0
def test_disconnect_handler(self):
s = Signal()
h1 = HandlerMock()
h2 = HandlerMock()
h3 = HandlerMock()
s.connect(h1)
s.connect(h2)
s.fire(1)
s.connect(h3)
s.fire(2)
s.disconnect(h1)
s.fire(3)
assert h1.call_counter is 2
assert h2.call_counter is 3
assert h3.call_counter is 2
assert h1.args == (2,)
assert h2.args == (3,)
assert h3.args == (3,)
def test_disconnect_not_connected_handler(self):
s = Signal()
h = HandlerMock()
s.connect(h)
assert s.disconnect(lambda: None) is False
assert s.disconnect(h) is True
def test_basic_handler(self):
s = Signal()
h = HandlerMock()
s.connect(h)
s.fire()
assert h.call_counter is 1