Add reproducer test for issue aio-libs#9336

tests/test_client_session.py

@@ -29,6 +29,7 @@
 from aiohttp.client_proto import ResponseHandler
 from aiohttp.client_reqrep import ClientRequest, ConnectionKey
 from aiohttp.connector import BaseConnector, Connection, TCPConnector, UnixConnector
+from aiohttp.cookiejar import CookieJar
 from aiohttp.http import RawResponseMessage
 from aiohttp.pytest_plugin import AiohttpClient
 from aiohttp.test_utils import make_mocked_coro
@@ -692,6 +693,15 @@ async def handler(request: web.Request) -> web.Response:
     assert resp_cookies["response"].value == "resp_value"
 
 
+@pytest.xfail("Reproducer for #9336")
+async def test_cookies_with_not_quoted_cookie_jar() -> None:
+    jar = CookieJar(quote_cookie=False)
+    cookies = {"name": "val=foobar"}
+    async with ClientSession(cookie_jar=jar) as sess:
+        resp = await sess.request("GET", "http://example.com", cookies=cookies)
+    assert resp.request_info.headers.get("Cookie") == "name=val=foobar"
+
+
 async def test_session_default_version(loop: asyncio.AbstractEventLoop) -> None:
     session = aiohttp.ClientSession()
     assert session.version == aiohttp.HttpVersion11