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# Copyright 2022 Amethyst Reese
# Licensed under the MIT license
import asyncio
import functools
import sys
from unittest import skipIf, TestCase
from aioitertools.helpers import maybe_await
def async_test(fn):
def wrapped(*args, **kwargs):
try:
loop = asyncio.new_event_loop()
loop.set_debug(False)
result = loop.run_until_complete(fn(*args, **kwargs))
return result
finally:
loop.close()
return wrapped
class HelpersTest(TestCase):
# aioitertools.helpers.maybe_await()
@async_test
async def test_maybe_await(self):
self.assertEqual(await maybe_await(42), 42)
@async_test
async def test_maybe_await_async_def(self):
async def forty_two():
await asyncio.sleep(0.0001)
return 42
self.assertEqual(await maybe_await(forty_two()), 42)
@skipIf(sys.version_info >= (3, 11), "@asyncio.coroutine removed")
@async_test
async def test_maybe_await_coroutine(self):
@asyncio.coroutine
def forty_two():
yield from asyncio.sleep(0.0001)
return 42
self.assertEqual(await maybe_await(forty_two()), 42)
@async_test
async def test_maybe_await_partial(self):
async def multiply(a, b):
await asyncio.sleep(0.0001)
return a * b
self.assertEqual(await maybe_await(functools.partial(multiply, 6)(7)), 42)
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