def test_liveliness(manual_setup, hitpoint_factory):
handler = hitpoint_factory()
alive = hitpoint_factory()
notalive = hitpoint_factory()
class MyListenerWriter(Listener):
def on_liveliness_lost(self, writer, status):
handler.hit(data=timestamp.now())
class MyListenerReader(Listener):
def on_liveliness_changed(self, reader, status):
if status.alive_count == 1:
alive.hit(data=status.alive_count_change)
else:
notalive.hit(data=status.alive_count_change)
qos = Qos(Policy.Liveliness.ManualByTopic(duration(seconds=0.2)),
Policy.Ownership.Exclusive)
manual_setup.tp(qos=qos)
manual_setup.dr(listener=MyListenerReader())
datawriter = manual_setup.dw(listener=MyListenerWriter())
write_time = timestamp.now()
datawriter.write(manual_setup.msg)
assert handler.was_hit()
assert handler.data - write_time >= duration(seconds=0.2)
assert alive.was_hit() and alive.data == 1
assert notalive.was_hit() and notalive.data == -1
def test_on_requested_deadline_missed(manual_setup, hitpoint):
class MyListener(Listener):
def on_requested_deadline_missed(self, reader, status):
hitpoint.hit(data=timestamp.now())
qos = Qos(Policy.Deadline(duration(seconds=0.2)))
datawriter = manual_setup.dw(qos=qos)
manual_setup.dr(qos=qos, listener=MyListener())
write_time = timestamp.now()
datawriter.write(manual_setup.msg)
assert hitpoint.was_hit()
assert hitpoint.data - write_time >= duration(seconds=0.2)
def test_on_sample_lost(manual_setup, hitpoint):
class MyListener(Listener):
def on_sample_lost(self, reader, status):
hitpoint.hit()
qos = Qos(Policy.DestinationOrder.BySourceTimestamp)
datawriter = manual_setup.dw(qos=qos)
datareader = manual_setup.dr(qos=qos, listener=MyListener())
t1 = timestamp.now()
t2 = t1 + duration(seconds=1)
datawriter.write(manual_setup.msg, timestamp=t2)
datareader.take()
datawriter.write(manual_setup.msg, timestamp=t1)
assert hitpoint.was_hit()
def on_offered_deadline_missed(self, writer, status):
hitpoint.hit(data=timestamp.now())
def on_requested_deadline_missed(self, reader, status):
hitpoint.hit(data=timestamp.now())
def on_liveliness_lost(self, writer, status):
handler.hit(data=timestamp.now())