scrapy/tests/test_zz_resources.py

37 lines
1.1 KiB
Python

"""Test that certain resources are not leaked during earlier tests."""
from __future__ import annotations
import asyncio
import logging
import pytest
from scrapy.utils.log import LogCounterHandler
def test_counter_handler() -> None:
"""Test that ``LogCounterHandler`` is always properly removed.
It's added in ``Crawler.crawl{,_async}()`` and removed on engine_stopped.
"""
c = sum(1 for h in logging.root.handlers if isinstance(h, LogCounterHandler))
assert c == 0
def test_stderr_log_handler() -> None:
"""Test that the Scrapy root handler is always properly removed.
It's added in ``configure_logging()``, called by ``{Async,}CrawlerProcess``
(without ``install_root_handler=False``). It can be removed with
``_uninstall_scrapy_root_handler()`` if installing it was really neeeded.
"""
c = sum(1 for h in logging.root.handlers if type(h) is logging.StreamHandler) # pylint: disable=unidiomatic-typecheck
assert c == 0
@pytest.mark.only_asyncio
def test_pending_asyncio_tasks() -> None:
"""Test that there are no pending asyncio tasks."""
assert not asyncio.all_tasks()