import asyncio
import sys

import pytest

from services import render_service


@pytest.fixture(autouse=True)
def fake_renderer(monkeypatch, tmp_path):
    # 이 파일은 conftest의 렌더 대역 대신 실제 자식 프로세스 수명만 검사한다.
    monkeypatch.setenv("SITE_OUTPUT_DIR", str(tmp_path))


async def test_process_success():
    code, _ = await render_service._run_subprocess([sys.executable, "-c", "print(1)"], 2)
    assert code == 0


async def test_timeout_releases_lock():
    code, _ = await render_service._run_subprocess(
        [sys.executable, "-c", "import time;time.sleep(5)"], 0.1
    )
    assert code is None
    code, _ = await render_service._run_subprocess([sys.executable, "-c", "print(1)"], 2)
    assert code == 0


async def test_cancel_releases_lock():
    task = asyncio.create_task(render_service._run_subprocess(
        [sys.executable, "-c", "import time;time.sleep(5)"], 10
    ))
    await asyncio.sleep(0.1)
    task.cancel()
    with pytest.raises(asyncio.CancelledError):
        await task
    code, _ = await render_service._run_subprocess([sys.executable, "-c", "print(1)"], 2)
    assert code == 0