async def bind_to_tally(self, inp: BaseInput, tally: Tally):
"""Update current state and subscribe to changes from the given
:class:`~tslumd.tallyobj.Tally`
Calls :meth:`~BaseIO.on_receiver_tally_change` and binds tally update
events to it
"""
loop = asyncio.get_event_loop()
tally_key = tally.id
if tally_key not in self.bound_input_tally_keys:
self.bound_input_tally_keys[tally_key] = set()
self.bound_input_tally_keys[tally_key].add(inp.id)
tally.bind_async(loop, on_update=self.on_receiver_tally_change)
props_changed = ('rh_tally', 'txt_tally', 'lh_tally')
await self.on_receiver_tally_change(tally, props_changed=props_changed)
async def test_update_event(faker):
loop = asyncio.get_event_loop()
listener = Listener()
tally = Tally(0)
tally.bind_async(loop, on_update=listener.callback)
tally.text = 'foo'
_, props_changed = await listener.get()
assert set(props_changed) == set(['text'])
d = dict(rh_tally=TallyColor.RED, txt_tally=TallyColor.GREEN, lh_tally=TallyColor.AMBER)
tally.update(**d)
_, props_changed = await listener.get()
assert set(props_changed) == set(d.keys())
disp = Display(index=0, text=tally.text)
tally.update_from_display(disp)
assert disp == tally
_, props_changed = await listener.get()
assert set(props_changed) == set(['rh_tally', 'txt_tally', 'lh_tally'])
for tally_type, color in iter_tally_types_and_colors():
attr = tally_type.name
should_change = getattr(tally, attr) != color
# print(f'{tally_type=}, {color=}, {should_change=}')
setattr(tally, attr, color)
if should_change:
_, props_changed = await listener.get()
assert set(props_changed) == set([attr])
else:
await asyncio.sleep(.01)
assert listener.results.empty()