async def test_Process_object_wait_when_error():
async def raise_error():
raise ValueError("child-error")
async with open_in_process(raise_error) as proc:
await asyncio.wait_for(proc.wait(), timeout=2)
assert isinstance(proc.error, ValueError)
async def test_Process_object_wait_for_result_when_error():
async def raise_error():
raise ValueError("child-error")
async with open_in_process(raise_error) as proc:
with pytest.raises(ValueError, match="child-error"):
await asyncio.wait_for(proc.wait_result(), timeout=2)
async def test_Process_object_wait_for_pid():
async def return7():
return 7
async with open_in_process(return7) as proc:
await asyncio.wait_for(proc.wait_pid(), timeout=2)
assert isinstance(proc.pid, int)
async def test_Process_object_wait_for_returncode():
async def system_exit_123():
raise SystemExit(123)
async with open_in_process(system_exit_123) as proc:
await asyncio.wait_for(proc.wait_returncode(), timeout=2)
assert proc.returncode == 123
async def test_Process_object_wait_for_return_value():
async def return7():
return 7
async with open_in_process(return7) as proc:
await asyncio.wait_for(proc.wait_return_value(), timeout=2)
assert proc.return_value == 7
async def test_Process_object_wait_for_result_when_return_value():
async def return7():
return 7
async with open_in_process(return7) as proc:
result = await asyncio.wait_for(proc.wait_result(), timeout=2)
assert result == 7
assert proc.error is None
async def test_open_proc_SIGINT_while_running():
async def do_sleep_forever():
while True:
await asyncio.sleep(0)
async with open_in_process(do_sleep_forever) as proc:
proc.send_signal(signal.SIGINT)
assert proc.returncode == 2
async def test_open_proc_invalid_function_call():
async def takes_no_args():
pass
async with open_in_process(takes_no_args, 1, 2, 3) as proc:
pass
assert proc.returncode == 1
assert isinstance(proc.error, TypeError)
async def test_open_in_proc_SIGTERM_while_running():
async def do_sleep_forever():
while True:
await asyncio.sleep(0)
async with open_in_process(do_sleep_forever) as proc:
proc.terminate()
assert proc.returncode == 15
async def test_open_proc_KeyboardInterrupt_while_running():
async def do_sleep_forever():
while True:
await asyncio.sleep(0)
with pytest.raises(KeyboardInterrupt):
async with open_in_process(do_sleep_forever) as proc:
raise KeyboardInterrupt
assert proc.returncode == 2
async def test_open_in_proc_SIGKILL_while_running():
async def do_sleep_forever():
while True:
await asyncio.sleep(0)
async with open_in_process(do_sleep_forever) as proc:
await proc.kill()
assert proc.returncode == -9
assert isinstance(proc.error, ProcessKilled)
async def test_open_proc_unpickleable_params(touch_path):
async def takes_open_file(f):
pass
with pytest.raises(pickle.PickleError):
with open(touch_path, "w") as touch_file:
async with open_in_process(takes_open_file, touch_file):
# this code block shouldn't get executed
assert False
async def test_Process_object_state_api():
async def return7():
return 7
async with open_in_process(return7) as proc:
assert proc.state.is_on_or_after(State.STARTED)
await asyncio.wait_for(proc.wait_for_state(State.FINISHED), timeout=2)
assert proc.state is State.FINISHED
assert proc.return_value == 7
async def test_open_proc_SIGINT_can_be_handled():
async def do_sleep_forever():
try:
while True:
await asyncio.sleep(0)
except KeyboardInterrupt:
return 9999
async with open_in_process(do_sleep_forever) as proc:
proc.send_signal(signal.SIGINT)
assert proc.returncode == 0
assert proc.result == 9999