fix(workflow): use core torrent info for RSS action (#5786)

tests/test_workflow_fetch_rss.py

@@ -0,0 +1,47 @@
+import unittest
+from datetime import datetime
+from unittest.mock import patch
+
+from app.core.context import TorrentInfo
+from app.schemas import ActionContext
+from app.workflow.actions.fetch_rss import FetchRssAction
+
+
+class FetchRssActionTest(unittest.TestCase):
+    """
+    RSS 工作流动作测试。
+    """
+
+    def test_execute_builds_core_torrent_info_for_downstream_workflow(self):
+        """
+        工作流产出的种子信息应使用 core TorrentInfo，避免下载事件下游收到缺少运行时接口的 schema 对象。
+        """
+        rss_items = [
+            {
+                "title": "Example RSS Torrent",
+                "enclosure": "https://example.com/example.torrent",
+                "link": "https://example.com/details",
+                "size": 1024,
+                "pubdate": datetime(2026, 5, 19, 8, 30, 0),
+            }
+        ]
+
+        with patch("app.workflow.actions.fetch_rss.RssHelper") as rss_helper, \
+                patch("app.workflow.actions.fetch_rss.global_vars.is_workflow_stopped", return_value=False):
+            rss_helper.return_value.parse.return_value = rss_items
+
+            context = FetchRssAction("fetch-rss").execute(
+                workflow_id=1,
+                params={"url": "https://example.com/rss.xml"},
+                context=ActionContext(),
+            )
+
+        torrent_info = context.torrents[0].torrent_info
+        self.assertIsInstance(torrent_info, TorrentInfo)
+        self.assertIsNone(torrent_info.category)
+        self.assertTrue(callable(getattr(torrent_info, "to_dict", None)))
+        self.assertEqual("2026-05-19 08:30:00", torrent_info.pubdate)
+
+
+if __name__ == "__main__":
+    unittest.main()