scrapy/tests/test_utils_asyncgen.py

21 lines
663 B
Python

from twisted.trial import unittest
from scrapy.utils.asyncgen import as_async_generator, collect_asyncgen
from scrapy.utils.defer import deferred_f_from_coro_f
class AsyncgenUtilsTest(unittest.TestCase):
@deferred_f_from_coro_f
async def test_as_async_generator(self):
ag = as_async_generator(range(42))
results = []
async for i in ag:
results.append(i)
self.assertEqual(results, list(range(42)))
@deferred_f_from_coro_f
async def test_collect_asyncgen(self):
ag = as_async_generator(range(42))
results = await collect_asyncgen(ag)
self.assertEqual(results, list(range(42)))