tractor/tests/test_clustering.py

38 lines
991 B
Python

import itertools
import trio
import tractor
from tractor import open_actor_cluster
from tractor.trionics import gather_contexts
from conftest import tractor_test
MESSAGE = 'tractoring at full speed'
@tractor.context
async def worker(ctx: tractor.Context) -> None:
await ctx.started()
async with ctx.open_stream(backpressure=True) as stream:
async for msg in stream:
# do something with msg
print(msg)
assert msg == MESSAGE
@tractor_test
async def test_streaming_to_actor_cluster() -> None:
async with (
open_actor_cluster(modules=[__name__]) as portals,
gather_contexts(
mngrs=[p.open_context(worker) for p in portals.values()],
) as contexts,
gather_contexts(
mngrs=[ctx[0].open_stream() for ctx in contexts],
) as streams,
):
with trio.move_on_after(1):
for stream in itertools.cycle(streams):
await stream.send(MESSAGE)