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Add a basic `open_channel_from()` streaming test

infect_asyncio
Tyler Goodlet 2021-11-20 12:47:03 -05:00
parent 9bc94b5ccc
commit d27ddb7bbb
1 changed files with 56 additions and 8 deletions

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@ -2,7 +2,7 @@
The most hipster way to force SC onto the stdlib's "async".
'''
from typing import Optional
from typing import Optional, Iterable
import asyncio
import builtins
import importlib
@ -10,6 +10,7 @@ import importlib
import pytest
import trio
import tractor
from tractor import to_asyncio
from tractor import RemoteActorError
@ -176,17 +177,64 @@ def test_aio_cancelled_from_aio_causes_trio_cancelled(arb_addr):
trio.run(main)
def test_trio_error_cancels_aio(arb_addr):
...
# TODO:
async def no_to_trio_in_args():
pass
async def push_from_aio_task(
sequence: Iterable,
to_trio: trio.abc.SendChannel,
) -> None:
for i in range(100):
print(f'asyncio sending {i}')
to_trio.send_nowait(i)
await asyncio.sleep(0.001)
print(f'asyncio streamer complete!')
async def stream_from_aio():
seq = range(100)
expect = list(seq)
async with to_asyncio.open_channel_from(
push_from_aio_task,
sequence=seq,
) as (first, chan):
pulled = [first]
async for value in chan:
print(f'trio received {value}')
pulled.append(value)
assert pulled == expect
print('trio guest mode task completed!')
def test_basic_interloop_channel_stream(arb_addr):
...
async def main():
async with tractor.open_nursery() as n:
portal = await n.run_in_actor(
stream_from_aio,
infect_asyncio=True,
)
await portal.result()
trio.run(main)
def test_trio_cancels_and_channel_exits(arb_addr):
...
# def test_trio_error_cancels_intertask_chan(arb_addr):
# ...
def test_aio_errors_and_channel_propagates(arb_addr):
...
# def test_trio_cancels_and_channel_exits(arb_addr):
# ...
# def test_aio_errors_and_channel_propagates(arb_addr):
# ...