async def test_waiting_until_on_fails_when_not_turned_on():
toggle = Toggle(False)
with pytest.raises(asyncio.TimeoutError):
async with async_timeout.timeout(0.1) as timeout:
await toggle.wait_for(True)
assert toggle.is_off()
assert timeout.expired
async def test_waiting_until_off_wakes_when_turned_off(timer):
toggle = Toggle(True)
async def delayed_turning_off(delay: float):
await asyncio.sleep(delay)
await toggle.turn_to(False)
with timer:
asyncio.create_task(delayed_turning_off(0.05))
await toggle.wait_for(False)
assert toggle.is_off()
assert timer.seconds < 0.5 # approx. 0.05 plus some code overhead
async def test_created_as_off():
toggle = Toggle()
assert not toggle.is_on()
assert toggle.is_off()
async def test_turning_off():
toggle = Toggle(True)
await toggle.turn_to(False)
assert not toggle.is_on()
assert toggle.is_off()
async def test_initialised_as_on():
toggle = Toggle(True)
assert toggle.is_on()
assert not toggle.is_off()
async def test_waiting_until_on_fails_when_not_turned_on():
toggle = Toggle(False)
with pytest.raises(asyncio.TimeoutError):
await asyncio.wait_for(toggle.wait_for(True), timeout=0.1)
assert toggle.is_off()