def test_adding_tasks(self):
tg = TaskGroup("task group 0")
tg.task("task 0").tasks(["task 1", "task 2"])
obj = tg.to_map()
assert "task 0" in obj["tasks"]
assert "task 1" in obj["tasks"]
assert "task 2" in obj["tasks"]
def test_invalid_task(self):
tg = TaskGroup("task group 0")
with pytest.raises(TypeError):
tg.task(42)