async def test_nested_move_on_after() -> None:
sleep_completed = inner_scope_completed = False
with move_on_after(0.1) as outer_scope:
assert current_effective_deadline() == outer_scope.deadline
with move_on_after(1) as inner_scope:
assert current_effective_deadline() == outer_scope.deadline
await sleep(2)
sleep_completed = True
inner_scope_completed = True
assert not sleep_completed
assert not inner_scope_completed
assert outer_scope.cancel_called
assert not inner_scope.cancel_called
async def test_current_effective_deadline(self) -> None:
value = await maybe_async(current_effective_deadline())
assert type(value) is float
async def test_shielded_deadline() -> None:
with move_on_after(10):
with CancelScope(shield=True):
with move_on_after(1000):
assert current_effective_deadline() - current_time() > 900