test: Skip flaky tests (#1661)

- #1649
- #1650
- #1651
- #1652
- #1655
- #1660

Author: vdusek

tests/unit/_autoscaling/test_autoscaled_pool.py

@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import asyncio
+import sys
 from contextlib import suppress
 from datetime import datetime, timedelta, timezone
 from itertools import chain, repeat
@@ -144,6 +145,10 @@ async def run() -> None:
         await pool.run()
 
 
+@pytest.mark.skipif(
+    sys.platform != 'linux',
+    reason='Test is flaky on Windows and MacOS, see https://github.com/apify/crawlee-python/issues/1655.',
+)
 async def test_autoscales(
     monkeypatch: pytest.MonkeyPatch,
     system_status: SystemStatus | Mock,

tests/unit/browsers/test_browser_pool.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import sys
 from typing import TYPE_CHECKING
 
 import pytest
@@ -62,6 +63,10 @@ async def test_multiple_plugins_new_page_creation(server_url: URL) -> None:
         assert browser_pool.total_pages_count == 3
 
 
+@pytest.mark.skipif(
+    sys.platform != 'linux',
+    reason='Test is flaky on Windows and MacOS, see https://github.com/apify/crawlee-python/issues/1660.',
+)
 async def test_new_page_with_each_plugin(server_url: URL) -> None:
     plugin_chromium = PlaywrightBrowserPlugin(browser_type='chromium')
     plugin_firefox = PlaywrightBrowserPlugin(browser_type='firefox')

tests/unit/crawlers/_adaptive_playwright/test_adaptive_playwright_crawler.py

@@ -2,6 +2,7 @@
 
 import asyncio
 import logging
+import sys
 from dataclasses import dataclass
 from datetime import timedelta
 from itertools import cycle
@@ -604,6 +605,10 @@ async def request_handler(context: AdaptivePlaywrightCrawlingContext) -> None:
     mocked_h2_handler.assert_has_calls([call(expected_h2_tag)])
 
 
+@pytest.mark.skipif(
+    sys.platform != 'linux',
+    reason='Test is flaky on Windows and MacOS, see https://github.com/apify/crawlee-python/issues/1650.',
+)
 async def test_adaptive_context_query_selector_parsel(test_urls: list[str]) -> None:
     """Test that `context.query_selector_one` works regardless of the crawl type for Parsel variant.
 

tests/unit/crawlers/_basic/test_basic_crawler.py

@@ -1302,6 +1302,10 @@ async def handler(context: BasicCrawlingContext) -> None:
 
 
 @pytest.mark.run_alone
+@pytest.mark.skipif(
+    sys.platform != 'linux',
+    reason='Test is flaky on Windows and MacOS, see https://github.com/apify/crawlee-python/issues/1652.',
+)
 @pytest.mark.skipif(sys.version_info[:3] < (3, 11), reason='asyncio.timeout was introduced in Python 3.11.')
 @pytest.mark.parametrize(
     'sleep_type',
@@ -1351,6 +1355,10 @@ async def handler(context: BasicCrawlingContext) -> None:
     assert mocked_handler_after_sleep.call_count == 1
 
 
+@pytest.mark.skipif(
+    sys.platform != 'linux',
+    reason='Test is flaky on Windows and MacOS, see https://github.com/apify/crawlee-python/issues/1649.',
+)
 @pytest.mark.parametrize(
     ('keep_alive', 'max_requests_per_crawl', 'expected_handled_requests_count'),
     [

tests/unit/crawlers/_playwright/test_playwright_crawler.py

@@ -7,6 +7,7 @@
 import asyncio
 import json
 import logging
+import sys
 from datetime import timedelta
 from typing import TYPE_CHECKING, Any, Literal
 from unittest import mock
@@ -325,6 +326,10 @@ async def some_hook(context: PlaywrightPreNavCrawlingContext) -> None:
     assert handler_data.get('proxy') == proxy_value
 
 
+@pytest.mark.skipif(
+    sys.platform != 'linux',
+    reason='Test is flaky on Windows and MacOS, see https://github.com/apify/crawlee-python/issues/1651.',
+)
 @pytest.mark.parametrize(
     'use_incognito_pages',
     [