circuitpython/tests/net_inet/asyncio_cancel_stream.py
Jim Mussared 6027c41c8f tests: Rename uasyncio to asyncio.
This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2023-06-19 17:33:03 +10:00

33 lines
636 B
Python

# Test cancelling a task waiting on stream IO
try:
import asyncio
except ImportError:
print("SKIP")
raise SystemExit
async def get(reader):
print("start")
try:
await reader.read(10)
print("fail")
except asyncio.CancelledError:
print("cancelled")
async def main(url):
reader, writer = await asyncio.open_connection(url, 80)
task = asyncio.create_task(get(reader))
await asyncio.sleep(0)
print("cancelling")
task.cancel()
print("waiting")
await task
print("done")
writer.close()
await writer.wait_closed()
asyncio.run(main("micropython.org"))