import os

import pytest

# Окна в тестах не показываем
os.environ.setdefault("QT_QPA_PLATFORM", "offscreen")

from collections.abc import Iterator  # noqa: E402

from PySide6.QtWidgets import QApplication  # noqa: E402

from tests.fake_llm import FakeLLMServer  # noqa: E402


@pytest.fixture(scope="session")
def qapp() -> QApplication:
    return QApplication.instance() or QApplication([])


@pytest.fixture
def fake_llm() -> Iterator[FakeLLMServer]:
    server = FakeLLMServer()
    yield server
    server.close()