def __init__(
self,
source: Flowable,
scheduler: Scheduler = None,
):
self._cache = []
self._exception = None
outer_self = self
class ToCacheObserver(Observer):
def on_next(self, elem: ElementType) -> Ack:
try:
for value in elem:
outer_self._cache.append(value)
except Exception as exc:
outer_self._exception = exc
return stop_ack
return continue_ack
def on_error(self, exc: Exception):
outer_self._exception = exc
def on_completed(self):
pass
self._observer = ToCacheObserver()
source.subscribe(
observer=self._observer,
scheduler=scheduler,
subscribe_scheduler=scheduler,
)
def test_reduce_single_flowables_with_maintaining_order(self):
reduce_multicast = CollectFlowablesMultiCast(
source=self.source_multicast,
maintain_order=True,
)
reduce_multicast.get_source(self.info).subscribe(self.rx_sink)
self.source_multicast.on_next(Flowable(self.source1))
self.source_multicast.on_next(Flowable(self.source2))
self.source_multicast.on_completed()
sink = TObserver()
subscription = self.rx_sink.received[0].unsafe_subscribe(Subscriber(
scheduler=self.source_scheduler,
subscribe_scheduler=self.source_scheduler
))
subscription.observable.observe(init_observer_info(observer=sink))
# sending the lifted flowable is scheduled on the multicast_scheduler
self.multicast_scheduler.advance_by(1)
self.source_scheduler.advance_by(1)
self.source1.on_next_single(1)
self.source2.on_next_single('a')
self.source1.on_next_single(2)
self.source1.on_completed()
self.source2.on_next_single('b')
self.source2.on_completed()
self.assertEqual([1, 2, 'a', 'b'], sink.received)
self.assertTrue(sink.is_completed)
def test_send_dictionary(self):
reduce_multicast = CollectFlowablesMultiCast(source=self.source_multicast)
reduce_multicast.get_source(self.info).subscribe(self.rx_sink)
self.source_multicast.on_next({'f1': Flowable(self.source1)})
self.assertEqual(1, len(self.rx_sink.received))
def op_func(left: Flowable):
return left.do_action(
on_next=on_next,
on_completed=on_completed,
on_error=on_error,
on_disposed=on_disposed,
)
def subscribe_to(self, source: Flowable, scheduler: Scheduler = None):
scheduler = scheduler or self.scheduler
subscription = source.unsafe_subscribe(
init_subscriber(
scheduler=scheduler,
subscribe_scheduler=self.subscribe_scheduler,
))
outer_self = self
class SafeFlowableObserver(Observer):
def on_next(self, elem: Any):
if not outer_self.is_stopped:
outer_self.is_first = False
if outer_self._observable_subject is not None:
return outer_self._observable_subject.on_next(elem)
return continue_ack
def on_error(self, exc: Exception):
outer_self.on_error(exc)
def on_completed(self):
outer_self.on_completed()
observer = SafeFlowableObserver()
disposable = subscription.observable.observe(
init_observer_info(observer=observer, ))
self.composite_diposable.add(disposable)
def test_subscribe_single_flowable(self):
reduce_multicast = LoopFlowableMultiCast(
source=self.source_multicast,
func=lambda m: MultiCast(m).pipe(
rxbp.multicast.op.map(lambda t: t[0]), ),
initial=[10],
)
reduce_multicast.get_source(self.info).subscribe(self.rx_sink)
self.source_multicast.on_next(Flowable(self.source1))
sink = TObserver(immediate_continue=0)
subscription = self.rx_sink.received[0].unsafe_subscribe(
Subscriber(
scheduler=self.source_scheduler,
subscribe_scheduler=self.source_scheduler,
))
subscription.observable.observe(init_observer_info(sink))
self.multicast_scheduler.advance_by(1)
self.source_scheduler.advance_by(1)
# self.source1.on_next_single(0)
print(sink.received)
self.assertEqual([10], sink.received)
def op_func(left: Flowable):
return left.controlled_zip(
right=right,
stack=stack,
request_left=request_left,
request_right=request_right,
match_func=match_func,
)
def test_send_single_flowable(self):
reduce_multicast = SharedMultiCast(source=self.source_multicast)
observable = reduce_multicast.get_source(self.info)
observable.subscribe(self.rx_sink1)
observable.subscribe(self.rx_sink2)
self.source_multicast.on_next(Flowable(self.source1))
self.assertEqual(1, len(self.rx_sink1.received))
self.assertEqual(1, len(self.rx_sink2.received))
def test_send_single_flowable(self):
reduce_multicast = LoopFlowableMultiCast(
source=self.source_multicast,
func=lambda m: MultiCast(m).pipe(
rxbp.multicast.op.map(lambda t: t[0]), ),
initial=[0],
)
reduce_multicast.get_source(self.info).subscribe(self.rx_sink)
self.source_multicast.on_next(Flowable(self.source1))
self.assertEqual(1, len(self.rx_sink.received))
def op_func(source: Flowable):
return source.debug(
name=name,
on_next=on_next,
on_completed=on_completed,
on_error=on_error,
on_observe=on_observe,
on_subscribe=on_subscribe,
on_sync_ack=on_sync_ack,
on_async_ack=on_async_ack,
on_raw_ack=on_raw_ack,
stack=stack,
verbose=verbose,
)
def test_use_case(self):
sink = TObserver()
subscription = rxbp.merge(
*[Flowable(e) for e in self.sources]).unsafe_subscribe(
Subscriber(scheduler=self.scheduler,
subscribe_scheduler=self.scheduler))
subscription.observable.observe(init_observer_info(observer=sink))
self.sources[0].observable.on_next_single(1)
self.sources[1].observable.on_next_single(2)
self.sources[2].observable.on_next_single(3)
self.scheduler.advance_by(1)
self.assertEqual([1, 2, 3], sink.received)
def func(builder: ImperativeMultiCastBuilder):
builder = ImperativeMultiCastBuilder(
source_scheduler=self.scheduler,
composite_disposable=self.composite_disposable,
)
s1[0] = builder.create_multicast_subject()
s2[0] = builder.create_flowable_subject()
s3[0] = builder.create_flowable_subject()
# s1[0].to_flowable().subscribe(observer=self.sink1, scheduler=self.scheduler)
s2[0].subscribe(observer=self.sink2, scheduler=self.scheduler)
blocking_flowable = Flowable(self.source)
def output_selector(flowable: Flowable):
return rxbp.multicast.return_flowable(flowable)
return builder.return_(
blocking_flowable=blocking_flowable,
output_selector=output_selector,
)
def op_func(left: Flowable):
return left.filter(predicate=predicate, stack=stack)
def op_func(source: Flowable):
return source.flat_map(func=func, stack=stack)
def op_func(source: Flowable):
return source.first_or_default(lazy_val=lazy_val)
def op_func(source: Flowable):
return source.last(stack=stack)
def op_func(source: Flowable):
return source.flat_map(func=lambda v: v, stack=stack)
def op_func(left: Flowable):
return left.merge(*others)
def op_func(left: Flowable):
return left.zip_with_index()
def op_func(source: Flowable):
return source.scan(func=func, initial=initial)
def op_func(source: Flowable):
return source.to_list()
def op_func(source: Flowable):
return source.reduce(func=func, initial=initial)
def op_func(source: Flowable):
return source.repeat_first()
def op_func(source: Flowable):
return source.pairwise()
def op_func(source: Flowable):
return source.map(func=func)
def op_func(left: Flowable):
return left.concat(*sources)
def op_func(source: Flowable):
return source.buffer(buffer_size=buffer_size)
def op_func(left: Flowable):
return left.zip(others=others, stack=stack)
def op_func(source: Flowable):
return source.observe_on(scheduler=scheduler)
def op_func(source: Flowable):
return source.map_to_iterator(func=func)
