def test_react_conditionally():
r = Reactor(greet, condition=only_test_events)
evt = Event(GenericEventType())
# condition is not met
r.react_conditionally(evt)
assert r.count_reactions() == 0
assert r.last_event_reacted() is None
assert r.last_reacted_on() is None
# condition is met
evt.payload = {'test': 'value'}
r.react_conditionally(evt)
assert r.count_reactions() == 1
assert r.last_event_reacted() is not None
assert r.last_reacted_on() is not None
def test_react():
r = Reactor(greet)
evt = Event(GenericEventType())
r.react(evt)
assert r.count_reactions() == 1
assert r.last_event_reacted() is not None
assert r.last_reacted_on() is not None