[IMP] bus: add test for samesite bus

This commit adds a test for the bus samesite configuration.

opw-3336222

closes odoo/odoo#128856

Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>

addons/bus/tests/test_websocket_caryall.py

@@ -2,6 +2,7 @@
 
 import gc
 import json
+import os
 from collections import defaultdict
 from datetime import timedelta
 from freezegun import freeze_time
@@ -22,7 +23,8 @@ from ..websocket import (
     Opcode,
     TimeoutManager,
     TimeoutReason,
-    Websocket
+    Websocket,
+    WebsocketConnectionHandler,
 )
 
 @common.tagged('post_install', '-at_install')
@@ -290,3 +292,22 @@ class TestWebsocketCaryall(WebsocketCase):
             with patch('odoo.addons.bus.websocket.acquire_cursor') as mock:
                 self.websocket_connect()
                 self.assertFalse(mock.called)
+
+    @patch.dict(os.environ, {"ODOO_BUS_PUBLIC_SAMESITE_WS": "True"})
+    def test_public_configuration(self):
+        new_test_user(self.env, login='test_user', password='Password!1')
+        user_session = self.authenticate('test_user', 'Password!1')
+        serve_forever_called_event = Event()
+
+        def serve_forever(websocket, *args):
+            self.assertNotEqual(websocket._session.sid, user_session.sid)
+            self.assertNotEqual(websocket._session.uid, user_session.uid)
+            serve_forever_called_event.set()
+
+        with patch.object(WebsocketConnectionHandler, '_serve_forever', side_effect=serve_forever) as mock:
+            self.websocket_connect(
+                cookie=f'session_id={user_session.sid};',
+                origin="http://example.com"
+            )
+            serve_forever_called_event.wait(timeout=5)
+            self.assertTrue(mock.called)