Run resource sensititve tests alone on Mac

Author: Pijukatel

tests/unit/_autoscaling/test_snapshotter.py

@@ -16,6 +16,7 @@
 from crawlee.configuration import Configuration
 from crawlee.events import LocalEventManager
 from crawlee.events._types import Event, EventSystemInfoData
+from tests.unit.utils import run_alone_on_mac
 
 if TYPE_CHECKING:
     from collections.abc import AsyncGenerator
@@ -131,6 +132,7 @@ def test_snapshot_client_overloaded() -> None:
     assert ClientSnapshot(error_count=7, new_error_count=3, max_error_count=2).is_overloaded
 
 
+@run_alone_on_mac
 async def test_get_cpu_sample(
     snapshotter: Snapshotter, event_manager: LocalEventManager, default_memory_info: MemoryInfo
 ) -> None:

tests/unit/_utils/test_recurring_task.py

@@ -7,6 +7,7 @@
 import pytest
 
 from crawlee._utils.recurring_task import RecurringTask
+from tests.unit.utils import run_alone_on_mac
 
 
 @pytest.fixture
@@ -41,6 +42,7 @@ async def test_start_and_stop(function: AsyncMock, delay: timedelta) -> None:
     assert rt.task.done()
 
 
+@run_alone_on_mac
 async def test_execution(function: AsyncMock, delay: timedelta) -> None:
     task = RecurringTask(function, delay)
 

tests/unit/browsers/test_browser_pool.py

@@ -5,6 +5,7 @@
 import pytest
 
 from crawlee.browsers import BrowserPool, PlaywrightBrowserPlugin
+from tests.unit.utils import run_alone_on_mac
 
 if TYPE_CHECKING:
     from yarl import URL
@@ -92,6 +93,7 @@ async def test_new_page_with_each_plugin(server_url: URL) -> None:
         assert browser_pool.total_pages_count == 2
 
 
+@run_alone_on_mac
 async def test_with_default_plugin_constructor(server_url: URL) -> None:
     async with BrowserPool.with_default_plugin(headless=True, browser_type='firefox') as browser_pool:
         assert len(browser_pool.plugins) == 1

tests/unit/request_loaders/test_sitemap_request_loader.py

@@ -8,6 +8,7 @@
 from crawlee.http_clients._base import HttpClient
 from crawlee.request_loaders._sitemap_request_loader import SitemapRequestLoader
 from crawlee.storages import KeyValueStore
+from tests.unit.utils import run_alone_on_mac
 
 BASIC_SITEMAP = """
 <?xml version="1.0" encoding="UTF-8"?>
@@ -50,6 +51,7 @@ def encode_base64(data: bytes) -> str:
     return base64.b64encode(data).decode('utf-8')
 
 
+@run_alone_on_mac
 async def test_sitemap_traversal(server_url: URL, http_client: HttpClient) -> None:
     sitemap_url = (server_url / 'sitemap.xml').with_query(base64=encode_base64(BASIC_SITEMAP.encode()))
     sitemap_loader = SitemapRequestLoader([str(sitemap_url)], http_client=http_client)
@@ -66,6 +68,7 @@ async def test_sitemap_traversal(server_url: URL, http_client: HttpClient) -> No
     assert await sitemap_loader.get_handled_count() == 5
 
 
+@run_alone_on_mac
 async def test_is_empty_does_not_depend_on_fetch_next_request(server_url: URL, http_client: HttpClient) -> None:
     sitemap_url = (server_url / 'sitemap.xml').with_query(base64=encode_base64(BASIC_SITEMAP.encode()))
     sitemap_loader = SitemapRequestLoader([str(sitemap_url)], http_client=http_client)

tests/unit/utils.py

@@ -0,0 +1,5 @@
+import sys
+
+import pytest
+
+run_alone_on_mac = pytest.mark.run_alone if sys.platform == 'darwin' else lambda x: x