def test_execute_process_prefix_filter_no_match():
lc = LaunchContext()
lc._set_asyncio_loop(asyncio.get_event_loop())
SetLaunchConfiguration('launch-prefix', 'time').visit(lc)
assert len(lc.launch_configurations) == 1
SetLaunchConfiguration('launch-prefix-filter', 'no-match').visit(lc)
assert len(lc.launch_configurations) == 2
test_process = ExecuteProcess(
cmd=[sys.executable, '-c', "print('action')"], output='screen')
test_process.execute(lc)
assert 'time' not in test_process.process_details['cmd']
def test_launch_context_get_set_asyncio_loop():
"""Test the getting and settings for asyncio_loop in the LaunchContext class."""
lc = LaunchContext()
assert lc.asyncio_loop is None
lc._set_asyncio_loop(asyncio.get_event_loop())
assert lc.asyncio_loop == asyncio.get_event_loop()
