def test_parallel_one_state_exception(capsys):
class ExceptionAfter1SecState(State):
def execute(self, board):
time.sleep(1)
return StateStatus.EXCEPTION
ws = WaitState("ws1", 5)
fs = ExceptionAfter1SecState("fs")
es = IdleState("es")
fes = IdleState("fs-terminal")
pm = ParallelState('pm', [ws, fs])
pm.add_transition_on_success(es)
pm.add_transition_on_failed(fes)
exe = Machine("main_machine",
pm,
end_state_ids=['es', 'fs-terminal'],
rate=10)
# run machine and see how it reacts
exe.start(None)
# wait for 0.5 second to see it is still running
assert not exe.wait(0.5)
assert exe.check_status(StateStatus.RUNNING)
assert exe._curr_state.check_name('pm')
# at this point, it should throw or raise the exception
# wait another 1.5 seconds
assert exe.wait(1.5)
assert exe.check_status(StateStatus.EXCEPTION)
assert not pm._run_thread.is_alive()
def test_parallel_one_state_fails(capsys):
class FailAfter1SecState(State):
def execute(self, board):
time.sleep(1)
return StateStatus.FAILED
ws = WaitState("ws1", 5)
fs = FailAfter1SecState("fs")
es = IdleState("es")
fes = IdleState("fs-terminal")
pm = ParallelState('pm', [ws, fs])
pm.add_transition_on_success(es)
pm.add_transition_on_failed(fes)
exe = Machine("main_machine",
pm,
end_state_ids=['es', 'fs-terminal'],
rate=10)
# run machine and see how it reacts
exe.start(None)
# wait for one second
assert not exe.wait(0.5)
assert exe.check_status(StateStatus.RUNNING)
assert exe._curr_state.check_name('pm')
# at this point ws should be done but ws2 is still going
# wait another one seconds
assert exe.wait(2)
assert exe._curr_state == fes
assert not pm._run_thread.is_alive()