移除示例项目初始化并修复前后端稳定性问题

backend/tests/test_study_lock_dependency.py

@@ -0,0 +1,105 @@
+import uuid
+
+import pytest
+from fastapi import HTTPException
+from starlette.requests import Request
+
+from app.core import deps
+
+
+class _Study:
+    def __init__(self, study_id: uuid.UUID, is_locked: bool = False):
+        self.id = study_id
+        self.is_locked = is_locked
+
+
+class _Category:
+    def __init__(self, study_id: uuid.UUID | None):
+        self.study_id = study_id
+
+
+class _FaqItem:
+    def __init__(self, study_id: uuid.UUID | None):
+        self.study_id = study_id
+
+
+def _make_request(*, method: str = "POST", path: str = "/", query_string: bytes = b"", json_body: bytes = b"", path_params=None):
+    async def receive():
+        return {"type": "http.request", "body": json_body, "more_body": False}
+
+    scope = {
+        "type": "http",
+        "http_version": "1.1",
+        "method": method,
+        "path": path,
+        "raw_path": path.encode(),
+        "query_string": query_string,
+        "headers": [(b"content-type", b"application/json")],
+        "path_params": path_params or {},
+    }
+    return Request(scope, receive)
+
+
+@pytest.mark.asyncio
+async def test_require_study_not_locked_accepts_study_id_from_request_body(monkeypatch):
+    study_id = uuid.uuid4()
+
+    async def fake_get(_db, requested_study_id):
+        return _Study(requested_study_id, is_locked=False)
+
+    monkeypatch.setattr("app.crud.study.get", fake_get)
+
+    dependency = deps.require_study_not_locked()
+    request = _make_request(json_body=f'{{"study_id":"{study_id}"}}'.encode())
+
+    study = await dependency(request=request, db=object())
+
+    assert study.id == study_id
+
+
+@pytest.mark.asyncio
+async def test_require_study_not_locked_resolves_study_id_from_category_path(monkeypatch):
+    study_id = uuid.uuid4()
+    category_id = uuid.uuid4()
+
+    async def fake_get_category(_db, requested_category_id):
+        assert requested_category_id == category_id
+        return _Category(study_id)
+
+    async def fake_get_study(_db, requested_study_id):
+        return _Study(requested_study_id, is_locked=False)
+
+    monkeypatch.setattr("app.crud.faq_category.get_category", fake_get_category)
+    monkeypatch.setattr("app.crud.study.get", fake_get_study)
+
+    dependency = deps.require_study_not_locked()
+    request = _make_request(path=f"/api/v1/faqs/categories/{category_id}", path_params={"category_id": str(category_id)})
+
+    study = await dependency(request=request, db=object())
+
+    assert study.id == study_id
+
+
+@pytest.mark.asyncio
+async def test_require_study_not_locked_rejects_locked_study_resolved_from_item_path(monkeypatch):
+    study_id = uuid.uuid4()
+    item_id = uuid.uuid4()
+
+    async def fake_get_item(_db, requested_item_id):
+        assert requested_item_id == item_id
+        return _FaqItem(study_id)
+
+    async def fake_get_study(_db, requested_study_id):
+        return _Study(requested_study_id, is_locked=True)
+
+    monkeypatch.setattr("app.crud.faq_item.get_item", fake_get_item)
+    monkeypatch.setattr("app.crud.study.get", fake_get_study)
+
+    dependency = deps.require_study_not_locked()
+    request = _make_request(path=f"/api/v1/faqs/{item_id}", path_params={"item_id": str(item_id)})
+
+    with pytest.raises(HTTPException) as exc_info:
+        await dependency(request=request, db=object())
+
+    assert exc_info.value.status_code == 403
+    assert "项目已锁定" in exc_info.value.detail