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from typing import Any, Callable, Optional, Iterable
from unittest import mock, TestCase
from unittest.mock import patch, MagicMock, call
import inspect

from deepsim_btree.composites.parallel_sequence import ParallelSequence
from deepsim_btree.constants import Status
from deepsim_btree.leaves import Success, Failure, Running

myself: Callable[[], Any] = lambda: inspect.stack()[1][3]


class ParallelSequenceTest(TestCase):
    def setUp(self) -> None:
        pass

    def test_tick_success(self):
        children = [Success(), Success(), Success()]
        selector = ParallelSequence(children=children)
        status = selector.tick()
        assert status == Status.SUCCESS

    def test_tick_fails_with_running_child(self):
        running_child = Running()
        children = [running_child, Success(), Success(), Failure()]
        selector = ParallelSequence(children=children)
        status = selector.tick()
        assert status == Status.FAILURE
        assert running_child.status == Status.INVALID

    def test_tick_failure(self):
        children = [Success(), Success(), Failure(), Success()]
        selector = ParallelSequence(children=children)
        status = selector.tick()
        assert status == Status.FAILURE

    def test_tick_empty(self):
        selector = ParallelSequence()
        status = selector.tick()
        assert status == Status.SUCCESS