def test_enforce_no_daemon(enforce_daemon_is_running):
if not is_daemon_running(args=[]):
assert spawn_daemon(args=[], wait_until_spawned=5.0)
args = argparse.Namespace(no_daemon=True)
with NodeStrategy(args=args) as node:
assert node._daemon_node is None
assert node._direct_node is not None
def daemon_node():
if is_daemon_running(args=[]):
with DaemonNode(args=[]) as node:
node.system.shutdown()
assert spawn_daemon(args=[], wait_until_spawned=5.0)
with DaemonNode(args=[]) as node:
yield node
def __init__(self, args):
use_daemon = not getattr(args, 'no_daemon', False)
if use_daemon and is_daemon_running(args):
self.node = DaemonNode(args)
else:
if use_daemon:
spawn_daemon(args)
self.node = DirectNode(args)
def __init__(self, args):
use_daemon = not getattr(args, 'no_daemon', False)
if use_daemon and is_daemon_running(args):
self._daemon_node = DaemonNode(args)
self._direct_node = None
else:
if use_daemon:
spawn_daemon(args)
self._direct_node = DirectNode(args)
self._daemon_node = None
self._args = args
self._in_scope = False
def main(self, *, args):
running = is_daemon_running(args)
if running:
print('The daemon is already running')
return
spawned = spawn_daemon(args, wait_until_spawned=10.0)
if spawned:
print('The daemon has been started')
else:
print('Failed to confirm that the daemon started successfully',
file=sys.stderr)
return 1
def main(self, *, args):
running = is_daemon_running(args)
if not running:
print('The daemon is not running')
return
with DaemonNode(args) as daemon:
try:
shutdown = daemon.system.shutdown
except AttributeError:
return 'Failed to shutdown daemon, ' \
'it might be using a different rmw implementation'
shutdown()
print('The daemon has been stopped')
def daemon_node():
if is_daemon_running(args=[]):
assert shutdown_daemon(args=[], timeout=5.0)
assert spawn_daemon(args=[], timeout=5.0)
with DaemonNode(args=[]) as node:
attempts = 3
delay_between_attempts = 2 # seconds
for _ in range(attempts):
node_names_and_namespaces = node.get_node_names_and_namespaces()
if [TEST_NODE_NAME,
TEST_NODE_NAMESPACE] in node_names_and_namespaces:
break
time.sleep(delay_between_attempts)
else:
pytest.fail(
f'daemon failed to discover {TEST_NODE_NAMESPACE}/{TEST_NODE_NAME}'
)
yield node
node.system.shutdown()
def enforce_daemon_is_running():
if not is_daemon_running(args=[]):
assert spawn_daemon(args=[], wait_until_spawned=5.0)
yield
def enforce_no_daemon_is_running():
if is_daemon_running(args=[]):
with DaemonNode(args=[]) as node:
node.system.shutdown()
yield
def main(self, *, args):
if is_daemon_running(args):
print('The daemon is running')
else:
print('The daemon is not running')
def enforce_daemon_is_running():
if not is_daemon_running(args=[]):
assert spawn_daemon(args=[], timeout=5.0)
yield
def enforce_no_daemon_is_running():
if is_daemon_running(args=[]):
assert shutdown_daemon(args=[], timeout=5.0)
yield
def __init__(self, args):
if is_daemon_running(args):
self.node = DaemonNode(args)
else:
spawn_daemon(args)
self.node = DirectNode(args)
def enforce_no_daemon_is_running():
if is_daemon_running(args=[]):
assert shutdown_daemon(args=[], wait_duration=5.0)
yield