X-Financial/server/tests/test_user_agent_service.py

from __future__ import annotations

from sqlalchemy import create_engine
from sqlalchemy.orm import Session, sessionmaker
from sqlalchemy.pool import StaticPool

from app.db.base import Base
from app.schemas.ontology import OntologyParseRequest
from app.schemas.user_agent import UserAgentRequest
from app.services.ontology import SemanticOntologyService
from app.services.user_agent import UserAgentService


def build_session_factory() -> sessionmaker[Session]:
    engine = create_engine(
        "sqlite+pysqlite:///:memory:",
        connect_args={"check_same_thread": False},
        poolclass=StaticPool,
    )
    Base.metadata.create_all(bind=engine)
    return sessionmaker(bind=engine, autoflush=False, autocommit=False)


def test_user_agent_query_returns_readable_answer_and_actions() -> None:
    session_factory = build_session_factory()
    with session_factory() as db:
        ontology = SemanticOntologyService(db).parse(
            OntologyParseRequest(
                query="张三 4 月差旅报销金额是多少",
                user_id="pytest",
            )
        )
        response = UserAgentService(db).respond(
            UserAgentRequest(
                run_id=ontology.run_id,
                user_id="pytest",
                message="张三 4 月差旅报销金额是多少",
                ontology=ontology,
                tool_payload={"record_count": 2, "total_amount": 8800.0},
            )
        )

        assert "8800.00" in response.answer
        assert len(response.suggested_actions) >= 1


def test_user_agent_prefers_runtime_model_answer_when_available(monkeypatch) -> None:
    session_factory = build_session_factory()
    with session_factory() as db:
        ontology = SemanticOntologyService(db).parse(
            OntologyParseRequest(
                query="张三 4 月差旅报销金额是多少",
                user_id="pytest",
            )
        )
        service = UserAgentService(db)
        monkeypatch.setattr(
            service,
            "_generate_answer_with_model",
            lambda *args, **kwargs: "这是模型回答",
        )

        response = service.respond(
            UserAgentRequest(
                run_id=ontology.run_id,
                user_id="pytest",
                message="张三 4 月差旅报销金额是多少",
                ontology=ontology,
                tool_payload={"record_count": 2, "total_amount": 8800.0},
            )
        )

        assert response.answer == "这是模型回答"


def test_user_agent_sanitizes_model_thinking_blocks() -> None:
    session_factory = build_session_factory()
    with session_factory() as db:
        service = UserAgentService(db)

        assert (
            service._sanitize_model_answer("<think>内部推理</think>\n最终答复")
            == "最终答复"
        )


def test_user_agent_guides_generic_expense_request() -> None:
    session_factory = build_session_factory()
    with session_factory() as db:
        ontology = SemanticOntologyService(db).parse(
            OntologyParseRequest(
                query="我要报销",
                user_id="pytest",
            )
        )
        response = UserAgentService(db).respond(
            UserAgentRequest(
                run_id=ontology.run_id,
                user_id="pytest",
                message="我要报销",
                ontology=ontology,
                tool_payload={"record_count": 9, "total_amount": 12345.0},
            )
        )

        assert "补充费用类型" in response.answer
        assert "上传票据" in response.answer


def test_user_agent_guides_implicit_expense_draft_request() -> None:
    session_factory = build_session_factory()
    with session_factory() as db:
        ontology = SemanticOntologyService(db).parse(
            OntologyParseRequest(
                query="我今天去客户现场，招待了客户，花销了1000元",
                user_id="pytest",
            )
        )
        response = UserAgentService(db).respond(
            UserAgentRequest(
                run_id=ontology.run_id,
                user_id="pytest",
                message="我今天去客户现场，招待了客户，花销了1000元",
                ontology=ontology,
                tool_payload={"draft_only": True},
            )
        )

        assert "1000元" in response.answer
        assert "票据附件" in response.answer
        assert "报销草稿" in response.answer


def test_user_agent_risk_response_includes_rule_citations() -> None:
    session_factory = build_session_factory()
    with session_factory() as db:
        ontology = SemanticOntologyService(db).parse(
            OntologyParseRequest(
                query="检查重复报销风险",
                user_id="pytest",
            )
        )
        response = UserAgentService(db).respond(
            UserAgentRequest(
                run_id=ontology.run_id,
                user_id="pytest",
                message="检查重复报销风险",
                ontology=ontology,
                tool_payload={"risk_flags": ["duplicate_expense"]},
            )
        )

        assert response.risk_flags == ["duplicate_expense"]
        assert any(item.source_type == "rule" for item in response.citations)
        assert "duplicate_expense" in response.answer


def test_user_agent_draft_returns_structured_payload() -> None:
    session_factory = build_session_factory()
    with session_factory() as db:
        ontology = SemanticOntologyService(db).parse(
            OntologyParseRequest(
                query="帮我生成张三4月差旅报销草稿",
                user_id="pytest",
            )
        )
        response = UserAgentService(db).respond(
            UserAgentRequest(
                run_id=ontology.run_id,
                user_id="pytest",
                message="帮我生成张三4月差旅报销草稿",
                ontology=ontology,
                tool_payload={"draft_only": True},
            )
        )

        assert response.draft_payload is not None
        assert response.draft_payload.confirmation_required is True
        assert "待人工确认" in response.answer