from pathlib import Path
from unittest.mock import PropertyMock

import pytest

from freqtrade.commands.optimize_commands import start_backtesting
from freqtrade.exceptions import OperationalException
from tests.conftest import (CURRENT_TEST_STRATEGY, get_args, patch_exchange,
                            patched_configuration_load_config_file)


def test_backtest_start_backtest_list_freqai(freqai_conf, mocker, testdatadir):
    # Tests detail-data loading
    patch_exchange(mocker)

    mocker.patch('freqtrade.plugins.pairlistmanager.PairListManager.whitelist',
                 PropertyMock(return_value=['HULUMULU/USDT', 'XRP/USDT']))
    # mocker.patch('freqtrade.optimize.backtesting.Backtesting.backtest', backtestmock)

    patched_configuration_load_config_file(mocker, freqai_conf)

    args = [
        'backtesting',
        '--config', 'config.json',
        '--datadir', str(testdatadir),
        '--strategy-path', str(Path(__file__).parents[1] / 'strategy/strats'),
        '--timeframe', '1h',
        '--strategy-list', CURRENT_TEST_STRATEGY
    ]
    args = get_args(args)
    with pytest.raises(OperationalException,
                       match=r"You can't use strategy_list and freqai at the same time\."):
        start_backtesting(args)