Class FakeKnowledgeBase

backend/test/unit/knowledge/test_sample_question_utils.py:22–24

@pytest.mark.asyncio
async def test_generate_database_sample_questions_rejects_empty_files(monkeypatch):
    class FakeKnowledgeBase:
        async def get_database_info(self, kb_id: str) -> dict:
            return {"name": "空知识库", "kb_type": "milvus", "files": {}}

    monkeypatch.setattr(sq, "knowledge_base", FakeKnowledgeBase())
    monkeypatch.setattr(