def test_description():
target_action = launch.actions.ExecuteProcess(cmd='dummy')
included_action = launch.Action()
not_included_action = launch.Action()
dut = StdoutReadyListener(target_action=target_action,
ready_txt='test text',
actions=[included_action])
description = dut.describe()
assert description[1] == [included_action]
assert not_included_action not in description[1] # Sanity check
def test_wait_for_wrong_message(self):
data = []
self.launch_description.add_entity(
launch.actions.RegisterEventHandler(
StdoutReadyListener(
target_action=self.terminating_proc,
ready_txt='not_ready',
actions=[
launch.actions.OpaqueFunction(
function=lambda context: data.append('ok'))
])))
launch_service = launch.LaunchService()
launch_service.include_launch_description(self.launch_description)
launch_service.run()
# We should not get confused by output that doesn't match the ready_txt
self.assertNotIn('ok', data)
def test_wait_for_ready(self):
data = []
self.launch_description.add_entity(
launch.actions.RegisterEventHandler(
StdoutReadyListener(
target_action=self.terminating_proc,
ready_txt='Ready',
actions=[
launch.actions.OpaqueFunction(
function=lambda context: data.append('ok'))
])))
launch_service = launch.LaunchService()
launch_service.include_launch_description(self.launch_description)
launch_service.run()
# If the StdoutReadyListener worked, we should see 'ok' in the data
self.assertIn('ok', data)
def test_wait_for_wrong_process(self):
data = []
self.launch_description.add_entity(
launch.actions.RegisterEventHandler(
StdoutReadyListener(
target_action=KeepAliveProc(
), # We never launched this process
ready_txt='Ready',
actions=[
launch.actions.OpaqueFunction(
function=lambda context: data.append('ok'))
])))
launch_service = launch.LaunchService()
launch_service.include_launch_description(self.launch_description)
launch_service.run()
# We should not get confused by output from another proc
self.assertNotIn('ok', data)