def test_should_emit_from_the_point_of_subscription_forward(self):
subject = PublishObservableSubject(scheduler=self.scheduler)
s1 = TObservable(observer=subject)
self.assertIsInstance(s1.on_next_iter([1]), ContinueAck)
self.assertIsInstance(s1.on_next_iter([2]), ContinueAck)
self.assertIsInstance(s1.on_next_iter([3]), ContinueAck)
o1 = TObserver()
o1.immediate_continue = 5
subject.observe(init_observer_info(o1))
self.assertIsInstance(s1.on_next_iter([4]), ContinueAck)
self.assertIsInstance(s1.on_next_iter([5]), ContinueAck)
self.assertIsInstance(s1.on_next_iter([6]), ContinueAck)
s1.on_completed()
self.assertEqual(sum(o1.received), 15)
self.assertTrue(o1.is_completed)
def test_on_next_assynchronously_iterate_in_fast_loop(self):
"""
on_next
queue = [] -> queue = [OnNext(2)]
"""
# preparation
o1 = TObserver(immediate_continue=0)
self.subject.observe(init_observer_info(o1))
self.source.on_next_single(1)
self.source.on_next_single(2)
self.source.on_next_single(3)
# state change
o1.immediate_continue = 1 # needs immediate continue to loop
o1.ack.on_next(continue_ack)
self.scheduler.advance_by(1)
# validation
self.assertEqual([1, 2, 3], o1.received)
self.assertEqual(0, len(self.subject.shared_state.queue))
def gen_observers():
for i in range(10):
o1 = TObserver()
o1.immediate_continue = 5
subject.observe(init_observer_info(o1))
yield o1