feat: 提交热榜评论分析工具 MVP 基线

tests/integration/test_failure_tolerance.py

@@ -0,0 +1,51 @@
+from sqlalchemy.orm import Session
+
+from app.platforms.base import PlatformAPIError
+from app.schemas import CreateTaskRequest
+from app.services.task_service import create_task, run_task
+from tests.helpers import make_test_client
+
+
+class FailingHotspotPlatform:
+    def fetch_hotspots(self, *, limit):
+        raise PlatformAPIError("hotspot failed", error_type="api_error", status_code=500)
+
+
+def test_hotspot_failure_marks_task_failed(monkeypatch):
+    with make_test_client() as (_client, engine):
+        monkeypatch.setattr("app.services.task_service.build_platform", lambda _platform: FailingHotspotPlatform())
+        with Session(engine) as session:
+            task = create_task(
+                session,
+                CreateTaskRequest(platform="douyin", hotspot_limit=1, item_limit_per_hotspot=1, comment_limit_per_item=10),
+                submit_background=False,
+            )
+            task_id = task.id
+            run_task(task_id, session_factory=lambda: session)
+            task = session.get(type(task), task_id)
+
+        assert task.status == "failed"
+        assert task.error_stage == "crawl_hotspots"
+        assert task.error_type == "api_error"
+
+
+def test_unexpected_task_exception_marks_task_failed(monkeypatch):
+    def raise_unexpected_error(_platform):
+        raise RuntimeError("boom")
+
+    with make_test_client() as (_client, engine):
+        monkeypatch.setattr("app.services.task_service.build_platform", raise_unexpected_error)
+        with Session(engine) as session:
+            task = create_task(
+                session,
+                CreateTaskRequest(platform="douyin", hotspot_limit=1, item_limit_per_hotspot=1, comment_limit_per_item=10),
+                submit_background=False,
+            )
+            task_id = task.id
+            run_task(task_id, session_factory=lambda: session)
+            task = session.get(type(task), task_id)
+
+        assert task.status == "failed"
+        assert task.error_stage == "system"
+        assert task.error_type == "unexpected_error"
+        assert task.error_message == "boom"