import json
from unittest import mock

import pytest
from fastapi.exceptions import RequestValidationError
from pydantic.error_wrappers import ErrorWrapper
from pydantic.errors import NotNoneError
from starlette import status
from starlette.requests import Request

from service.api.exception_handlers import (
    exception_handler,
    validation_exception_handler,
)

pytestmark = pytest.mark.anyio


async def test_validation_exception_handler():
    request_mock = mock.Mock(spec=Request)

    response = await validation_exception_handler(
        request_mock,
        RequestValidationError(errors=[ErrorWrapper(exc=NotNoneError(), loc="name")]),
    )

    assert response.status_code == status.HTTP_422_UNPROCESSABLE_ENTITY
    assert json.loads(response.body) == {
        "error": "name - value is not None",
        "type": "RequestValidationError",
        "info": None,
    }


async def test_runtime_error_handler():
    request_mock = mock.Mock(spec=Request)

    response = await exception_handler(request_mock, RuntimeError("some error"))

    assert response.status_code == status.HTTP_422_UNPROCESSABLE_ENTITY
    assert json.loads(response.body) == {
        "error": "some error",
        "type": "RuntimeError",
        "info": None,
    }