tractor/tests/test_clustering.py

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2021-10-17 05:33:54 +00:00
import itertools
import trio
import tractor
from tractor import open_actor_cluster
from tractor.trionics import async_enter_all
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() 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:
teardown_trigger = trio.Event()
async with (
open_actor_cluster(modules=[__name__]) as portals,
async_enter_all(
mngrs=[p.open_context(worker) for p in portals.values()],
teardown_trigger=teardown_trigger,
) as contexts,
async_enter_all(
mngrs=[ctx[0].open_stream() for ctx in contexts],
teardown_trigger=teardown_trigger,
) as streams,
):
with trio.move_on_after(1):
for stream in itertools.cycle(streams):
await stream.send(MESSAGE)
teardown_trigger.set()