"""지워진 프로젝트 — 서버가 500 이 아닌 404 로 답함(73-16).

화면(라우터)은 workflow-state 404 · 403 을 보고 기억한 현재 프로젝트를 비우고 안내를 띄운다.
"""

import asyncio
import json

import B03_FileInput.B03_FileInput_Router as b03_router
from B03_FileInput.B03_FileInput_Repository import (
    ProjectNotFoundError,
    get_project_storage_relative_path,
)
from B03_FileInput.B03_FileInput_Router_Errors import project_not_found_response

GONE = "fa76c162-71c7-46e5-a95d-fb3930665a45"


class _Cursor:
    def __init__(self, row):
        self.row = row
        self.sql = []

    async def __aenter__(self):
        return self

    async def __aexit__(self, *_):
        return False

    async def execute(self, sql, args=None):
        self.sql.append(sql)

    async def fetchone(self):
        return self.row


class _Conn:
    def __init__(self, row):
        self.row = row

    async def __aenter__(self):
        return self

    async def __aexit__(self, *_):
        return False

    def cursor(self, *_):
        return _Cursor(self.row)


class _Pool:
    def __init__(self, row):
        self.row = row

    def acquire(self):
        return _Conn(self.row)


def test_저장_경로_조회는_ProjectNotFoundError_이고_LookupError_로도_잡힘():
    try:
        asyncio.run(get_project_storage_relative_path(_Conn(None), GONE))
    except ProjectNotFoundError as exc:
        assert isinstance(exc, LookupError)
    else:
        raise AssertionError("없는 프로젝트인데 예외가 안 남")


def test_앱_처리기는_404():
    response = asyncio.run(project_not_found_response(None, ProjectNotFoundError("없음")))
    assert response.status_code == 404
    assert json.loads(response.body)["status"] == "error"


def test_main_앱에_처리기가_달림():
    import main

    assert main.app.exception_handlers.get(ProjectNotFoundError) is project_not_found_response


def test_workflow_state_는_지워진_프로젝트에_404(monkeypatch):
    monkeypatch.setattr(b03_router, "get_db_pool", lambda: _Pool(None))
    response = asyncio.run(b03_router.get_project_workflow_state(GONE))
    assert response.status_code == 404