def test_system(self):
emitter = Emitter()
assert emitter.system == ''
val = 'test_set_system'
emitter.system = val
emitter.top.system = val
assert emitter.system == val
def test_setters_are_event_top(self):
event_stack = tevent_stack()
emitter = Emitter(event_stack=event_stack)
emitter.system = 'test_setters_are_event_top'
assert emitter.system == 'test_setters_are_event_top'
assert emitter.event_stack.top.system == 'test_setters_are_event_top'
assert emitter.event_stack.bot.system == 'test.pyemit'
top = emitter.event_stack.pop()
assert top.system == 'test_setters_are_event_top'
assert emitter.system == ''
assert emitter.event_stack.top.system == ''
assert emitter.event_stack.bot.system == 'test.pyemit'