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from __future__ import annotations

import contextlib
import os

import pytest
from fastapi.testclient import TestClient

from airflow.api_fastapi.app import create_app
from airflow.api_fastapi.auth.managers.simple.simple_auth_manager import SimpleAuthManager
from airflow.api_fastapi.auth.managers.simple.user import SimpleAuthManagerUser

from tests_common.test_utils.config import conf_vars


@pytest.fixture(autouse=True)
def isolated_password_file(tmp_path):
    """
    Point the SimpleAuthManager generated-password file at a per-test path.

    By default the file lives under ``AIRFLOW_HOME``, a single path shared by every
    test process. Fixtures and tests here create, overwrite, and delete it, so under
    parallel (xdist) runs one process can delete the file another is mid-read on,
    raising ``FileNotFoundError``. Giving each test its own ``tmp_path`` file removes
    that cross-process race.
    """
    password_file = tmp_path / "simple_auth_manager_passwords.json.generated"
    with conf_vars({("core", "simple_auth_manager_passwords_file"): str(password_file)}):
        yield


@pytest.fixture
def auth_manager():
    auth_manager = SimpleAuthManager()
    with contextlib.suppress(FileNotFoundError):
        os.remove(auth_manager.get_generated_password_file())
    return auth_manager


@pytest.fixture
def test_user():
    return SimpleAuthManagerUser(username="test", role="test")


@pytest.fixture
def test_admin():
    return SimpleAuthManagerUser(username="test", role="admin")


@pytest.fixture
def test_client():
    with conf_vars(
        {
            (
                "core",
                "auth_manager",
            ): "airflow.api_fastapi.auth.managers.simple.simple_auth_manager.SimpleAuthManager"
        }
    ):
        return TestClient(create_app("core"))
