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import asyncio
import itertools
from datetime import timedelta
import pytest
import python_utils
from python_utils import types
@pytest.mark.parametrize(
'timeout,interval,interval_multiplier,maximum_interval,iterable,result',
[
(0.2, 0.1, 0.4, 0.2, python_utils.acount, 2),
(0.3, 0.1, 0.4, 0.2, python_utils.acount(), 3),
(0.3, 0.06, 1.0, None, python_utils.acount, 5),
(
timedelta(seconds=0.1),
timedelta(seconds=0.06),
2.0,
timedelta(seconds=0.1),
python_utils.acount,
2,
),
],
)
@pytest.mark.asyncio
async def test_aio_timeout_generator(
timeout: float,
interval: float,
interval_multiplier: float,
maximum_interval: float,
iterable: types.AsyncIterable[types.Any],
result: int,
) -> None:
i = None
async for i in python_utils.aio_timeout_generator(
timeout, interval, iterable, maximum_interval=maximum_interval
):
pass
assert i == result
@pytest.mark.parametrize(
'timeout,interval,interval_multiplier,maximum_interval,iterable,result',
[
(0.1, 0.06, 0.5, 0.1, 'abc', 'c'),
(0.1, 0.07, 0.5, 0.1, itertools.count, 2),
(0.1, 0.07, 0.5, 0.1, itertools.count(), 2),
(0.1, 0.06, 1.0, None, 'abc', 'c'),
(
timedelta(seconds=0.1),
timedelta(seconds=0.06),
2.0,
timedelta(seconds=0.1),
itertools.count,
2,
),
],
)
def test_timeout_generator(
timeout: float,
interval: float,
interval_multiplier: float,
maximum_interval: float,
iterable: types.Union[
str,
types.Iterable[types.Any],
types.Callable[..., types.Iterable[types.Any]],
],
result: int,
) -> None:
i = None
for i in python_utils.timeout_generator(
timeout=timeout,
interval=interval,
interval_multiplier=interval_multiplier,
iterable=iterable,
maximum_interval=maximum_interval,
):
assert i is not None
assert i == result
@pytest.mark.asyncio
async def test_aio_generator_timeout_detector() -> None:
# Make pyright happy
i = None
async def generator() -> types.AsyncGenerator[int, None]:
for i in range(10):
await asyncio.sleep(i / 20.0)
yield i
detector = python_utils.aio_generator_timeout_detector
# Test regular timeout with reraise
with pytest.raises(asyncio.TimeoutError):
async for i in detector(generator(), 0.25):
pass
# Test regular timeout with clean exit
async for i in detector(generator(), 0.25, on_timeout=None):
pass
assert i == 4
# Test total timeout with reraise
with pytest.raises(asyncio.TimeoutError):
async for i in detector(generator(), total_timeout=0.5):
pass
# Test total timeout with clean exit
async for i in detector(generator(), total_timeout=0.5, on_timeout=None):
pass
assert i == 4
# Test stop iteration
async for i in detector(generator(), on_timeout=None):
pass
@pytest.mark.asyncio
async def test_aio_generator_timeout_detector_decorator_reraise() -> None:
# Test regular timeout with reraise
@python_utils.aio_generator_timeout_detector_decorator(timeout=0.05)
async def generator_timeout() -> types.AsyncGenerator[int, None]:
for i in range(10):
await asyncio.sleep(i / 100.0)
yield i
with pytest.raises(asyncio.TimeoutError):
async for _ in generator_timeout():
pass
@pytest.mark.asyncio
async def test_aio_generator_timeout_detector_decorator_clean_exit() -> None:
# Make pyright happy
i = None
# Test regular timeout with clean exit
@python_utils.aio_generator_timeout_detector_decorator(
timeout=0.05, on_timeout=None
)
async def generator_clean() -> types.AsyncGenerator[int, None]:
for i in range(10):
await asyncio.sleep(i / 100.0)
yield i
async for i in generator_clean():
pass
assert i == 4
@pytest.mark.asyncio
async def test_aio_generator_timeout_detector_decorator_reraise_total() -> (
None
):
# Test total timeout with reraise
@python_utils.aio_generator_timeout_detector_decorator(total_timeout=0.1)
async def generator_reraise() -> types.AsyncGenerator[int, None]:
for i in range(10):
await asyncio.sleep(i / 100.0)
yield i
with pytest.raises(asyncio.TimeoutError):
async for _ in generator_reraise():
pass
@pytest.mark.asyncio
async def test_aio_generator_timeout_detector_decorator_clean_total() -> None:
# Make pyright happy
i = None
# Test total timeout with clean exit
@python_utils.aio_generator_timeout_detector_decorator(
total_timeout=0.1, on_timeout=None
)
async def generator_clean_total() -> types.AsyncGenerator[int, None]:
for i in range(10):
await asyncio.sleep(i / 100.0)
yield i
async for i in generator_clean_total():
pass
assert i == 4
|
