def test_process():
cmd = ["python", "-c", "for i in range(4): print(i)"]
s = Source.from_process(cmd)
out = s.sink_to_list()
s.start()
yield await_for(lambda: out == [b'0\n', b'1\n', b'2\n', b'3\n'], timeout=5)
s.stop()
def test_process_str():
cmd = 'python -c "for i in range(4): print(i)"'
s = Source.from_process(cmd)
if sys.platform != "win32":
# don't know why - something with pytest and new processes
policy = asyncio.get_event_loop_policy()
watcher = asyncio.SafeChildWatcher()
policy.set_child_watcher(watcher)
watcher.attach_loop(s.loop.asyncio_loop)
out = s.sink_to_list()
s.start()
yield await_for(lambda: out == [b'0\n', b'1\n', b'2\n', b'3\n'], timeout=5)
s.stop()
def test_process():
cmd = ["python", "-c", "for i in range(4): print(i, end='')"]
s = Source.from_process(cmd, with_end=True)
if sys.platform != "win32":
# don't know why - something with pytest and new processes
policy = asyncio.get_event_loop_policy()
watcher = asyncio.SafeChildWatcher()
policy.set_child_watcher(watcher)
watcher.attach_loop(s.loop.asyncio_loop)
out = s.sink_to_list()
s.start()
yield await_for(lambda: out == [b'0123'], timeout=5)
s.stop()
