import platform import shutil import sys from pathlib import Path from unittest.mock import MagicMock import pytest from freqtrade.configuration import TimeRange from freqtrade.data.dataprovider import DataProvider from freqtrade.enums import RunMode from freqtrade.freqai.data_kitchen import FreqaiDataKitchen from freqtrade.freqai.utils import download_all_data_for_training, get_required_data_timerange from freqtrade.optimize.backtesting import Backtesting from freqtrade.persistence import Trade from freqtrade.plugins.pairlistmanager import PairListManager from tests.conftest import EXMS, create_mock_trades, get_patched_exchange, log_has_re from tests.freqai.conftest import get_patched_freqai_strategy, make_rl_config def is_py11() -> bool: return sys.version_info >= (3, 11) def is_arm() -> bool: machine = platform.machine() return "arm" in machine or "aarch64" in machine def is_mac() -> bool: machine = platform.system() return "Darwin" in machine def can_run_model(model: str) -> None: if (is_arm() or is_py11()) and "Catboost" in model: pytest.skip("CatBoost is not supported on ARM.") is_pytorch_model = 'Reinforcement' in model or 'PyTorch' in model if is_pytorch_model and is_mac() and not is_arm(): pytest.skip("Reinforcement learning / PyTorch module not available on intel based Mac OS.") if is_pytorch_model and is_py11(): pytest.skip("Reinforcement learning / PyTorch currently not available on python 3.11.") @pytest.mark.parametrize('model, pca, dbscan, float32, can_short, shuffle, buffer', [ ('LightGBMRegressor', True, False, True, True, False, 0), ('XGBoostRegressor', False, True, False, True, False, 10), ('XGBoostRFRegressor', False, False, False, True, False, 0), ('CatboostRegressor', False, False, False, True, True, 0), ('PyTorchMLPRegressor', False, False, False, True, False, 0), ('ReinforcementLearner', False, True, False, True, False, 0), ('ReinforcementLearner_multiproc', False, False, False, True, False, 0), ('ReinforcementLearner_test_3ac', False, False, False, False, False, 0), ('ReinforcementLearner_test_3ac', False, False, False, True, False, 0), ('ReinforcementLearner_test_4ac', False, False, False, True, False, 0), ]) def test_extract_data_and_train_model_Standard(mocker, freqai_conf, model, pca, dbscan, float32, can_short, shuffle, buffer): can_run_model(model) model_save_ext = 'joblib' freqai_conf.update({"freqaimodel": model}) freqai_conf.update({"timerange": "20180110-20180130"}) freqai_conf.update({"strategy": "freqai_test_strat"}) freqai_conf['freqai']['feature_parameters'].update({"principal_component_analysis": pca}) freqai_conf['freqai']['feature_parameters'].update({"use_DBSCAN_to_remove_outliers": dbscan}) freqai_conf.update({"reduce_df_footprint": float32}) freqai_conf['freqai']['feature_parameters'].update({"shuffle_after_split": shuffle}) freqai_conf['freqai']['feature_parameters'].update({"buffer_train_data_candles": buffer}) if 'ReinforcementLearner' in model: model_save_ext = 'zip' freqai_conf = make_rl_config(freqai_conf) # test the RL guardrails freqai_conf['freqai']['feature_parameters'].update({"use_SVM_to_remove_outliers": True}) freqai_conf['freqai']['data_split_parameters'].update({'shuffle': True}) if 'ReinforcementLearner' in model: model_save_ext = 'zip' freqai_conf = make_rl_config(freqai_conf) # test the RL guardrails freqai_conf['freqai']['feature_parameters'].update({"use_SVM_to_remove_outliers": True}) freqai_conf['freqai']['data_split_parameters'].update({'shuffle': True}) if 'test_3ac' in model or 'test_4ac' in model: freqai_conf["freqaimodel_path"] = str(Path(__file__).parents[1] / "freqai" / "test_models") if 'PyTorchMLPRegressor' in model: model_save_ext = 'zip' pytorch_mlp_mtp = mock_pytorch_mlp_model_training_parameters() freqai_conf['freqai']['model_training_parameters'].update(pytorch_mlp_mtp) strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange) strategy.freqai_info = freqai_conf.get("freqai", {}) freqai = strategy.freqai freqai.live = True freqai.can_short = can_short freqai.dk = FreqaiDataKitchen(freqai_conf) freqai.dk.set_paths('ADA/BTC', 10000) timerange = TimeRange.parse_timerange("20180110-20180130") freqai.dd.load_all_pair_histories(timerange, freqai.dk) freqai.dd.pair_dict = MagicMock() data_load_timerange = TimeRange.parse_timerange("20180125-20180130") new_timerange = TimeRange.parse_timerange("20180127-20180130") freqai.dk.set_paths('ADA/BTC', None) freqai.train_timer("start", "ADA/BTC") freqai.extract_data_and_train_model( new_timerange, "ADA/BTC", strategy, freqai.dk, data_load_timerange) freqai.train_timer("stop", "ADA/BTC") freqai.dd.save_metric_tracker_to_disk() freqai.dd.save_drawer_to_disk() assert Path(freqai.dk.full_path / "metric_tracker.json").is_file() assert Path(freqai.dk.full_path / "pair_dictionary.json").is_file() assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}_model.{model_save_ext}").is_file() assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}_metadata.json").is_file() assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}_trained_df.pkl").is_file() shutil.rmtree(Path(freqai.dk.full_path)) @pytest.mark.parametrize('model, strat', [ ('LightGBMRegressorMultiTarget', "freqai_test_multimodel_strat"), ('XGBoostRegressorMultiTarget', "freqai_test_multimodel_strat"), ('CatboostRegressorMultiTarget', "freqai_test_multimodel_strat"), ('LightGBMClassifierMultiTarget', "freqai_test_multimodel_classifier_strat"), ('CatboostClassifierMultiTarget', "freqai_test_multimodel_classifier_strat") ]) def test_extract_data_and_train_model_MultiTargets(mocker, freqai_conf, model, strat): can_run_model(model) freqai_conf.update({"timerange": "20180110-20180130"}) freqai_conf.update({"strategy": strat}) freqai_conf.update({"freqaimodel": model}) strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange) strategy.freqai_info = freqai_conf.get("freqai", {}) freqai = strategy.freqai freqai.live = True freqai.dk = FreqaiDataKitchen(freqai_conf) timerange = TimeRange.parse_timerange("20180110-20180130") freqai.dd.load_all_pair_histories(timerange, freqai.dk) freqai.dd.pair_dict = MagicMock() data_load_timerange = TimeRange.parse_timerange("20180110-20180130") new_timerange = TimeRange.parse_timerange("20180120-20180130") freqai.dk.set_paths('ADA/BTC', None) freqai.extract_data_and_train_model( new_timerange, "ADA/BTC", strategy, freqai.dk, data_load_timerange) assert len(freqai.dk.label_list) == 2 assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}_model.joblib").is_file() assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}_metadata.json").is_file() assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}_trained_df.pkl").is_file() assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}_svm_model.joblib").is_file() assert len(freqai.dk.data['training_features_list']) == 14 shutil.rmtree(Path(freqai.dk.full_path)) @pytest.mark.parametrize('model', [ 'LightGBMClassifier', 'CatboostClassifier', 'XGBoostClassifier', 'XGBoostRFClassifier', 'PyTorchMLPClassifier', ]) def test_extract_data_and_train_model_Classifiers(mocker, freqai_conf, model): can_run_model(model) freqai_conf.update({"freqaimodel": model}) freqai_conf.update({"strategy": "freqai_test_classifier"}) freqai_conf.update({"timerange": "20180110-20180130"}) strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange) strategy.freqai_info = freqai_conf.get("freqai", {}) freqai = strategy.freqai freqai.live = True freqai.dk = FreqaiDataKitchen(freqai_conf) timerange = TimeRange.parse_timerange("20180110-20180130") freqai.dd.load_all_pair_histories(timerange, freqai.dk) freqai.dd.pair_dict = MagicMock() data_load_timerange = TimeRange.parse_timerange("20180110-20180130") new_timerange = TimeRange.parse_timerange("20180120-20180130") freqai.dk.set_paths('ADA/BTC', None) freqai.extract_data_and_train_model(new_timerange, "ADA/BTC", strategy, freqai.dk, data_load_timerange) if 'PyTorchMLPClassifier': pytorch_mlp_mtp = mock_pytorch_mlp_model_training_parameters() freqai_conf['freqai']['model_training_parameters'].update(pytorch_mlp_mtp) if freqai.dd.model_type == 'joblib': model_file_extension = ".joblib" elif freqai.dd.model_type == "pytorch": model_file_extension = ".zip" else: raise Exception(f"Unsupported model type: {freqai.dd.model_type}," f" can't assign model_file_extension") assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}_model{model_file_extension}").exists() assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}_metadata.json").exists() assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}_trained_df.pkl").exists() assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}_svm_model.joblib").exists() shutil.rmtree(Path(freqai.dk.full_path)) @pytest.mark.parametrize( "model, num_files, strat", [ ("LightGBMRegressor", 2, "freqai_test_strat"), ("XGBoostRegressor", 2, "freqai_test_strat"), ("CatboostRegressor", 2, "freqai_test_strat"), ("PyTorchMLPRegressor", 2, "freqai_test_strat"), ("ReinforcementLearner", 3, "freqai_rl_test_strat"), ("XGBoostClassifier", 2, "freqai_test_classifier"), ("LightGBMClassifier", 2, "freqai_test_classifier"), ("CatboostClassifier", 2, "freqai_test_classifier"), ("PyTorchMLPClassifier", 2, "freqai_test_classifier") ], ) def test_start_backtesting(mocker, freqai_conf, model, num_files, strat, caplog): can_run_model(model) freqai_conf.get("freqai", {}).update({"save_backtest_models": True}) freqai_conf['runmode'] = RunMode.BACKTEST Trade.use_db = False freqai_conf.update({"freqaimodel": model}) freqai_conf.update({"timerange": "20180120-20180130"}) freqai_conf.update({"strategy": strat}) if 'ReinforcementLearner' in model: freqai_conf = make_rl_config(freqai_conf) if 'test_4ac' in model: freqai_conf["freqaimodel_path"] = str(Path(__file__).parents[1] / "freqai" / "test_models") if 'PyTorchMLP' in model: pytorch_mlp_mtp = mock_pytorch_mlp_model_training_parameters() freqai_conf['freqai']['model_training_parameters'].update(pytorch_mlp_mtp) freqai_conf.get("freqai", {}).get("feature_parameters", {}).update( {"indicator_periods_candles": [2]}) strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange) strategy.freqai_info = freqai_conf.get("freqai", {}) freqai = strategy.freqai freqai.live = False freqai.dk = FreqaiDataKitchen(freqai_conf) timerange = TimeRange.parse_timerange("20180110-20180130") freqai.dd.load_all_pair_histories(timerange, freqai.dk) sub_timerange = TimeRange.parse_timerange("20180110-20180130") _, base_df = freqai.dd.get_base_and_corr_dataframes(sub_timerange, "LTC/BTC", freqai.dk) df = base_df[freqai_conf["timeframe"]] for i in range(5): df[f'%-constant_{i}'] = i metadata = {"pair": "LTC/BTC"} freqai.start_backtesting(df, metadata, freqai.dk, strategy) model_folders = [x for x in freqai.dd.full_path.iterdir() if x.is_dir()] assert len(model_folders) == num_files Trade.use_db = True assert log_has_re( "Removed features ", caplog, ) assert log_has_re( "Removed 5 features from prediction features, ", caplog, ) Backtesting.cleanup() shutil.rmtree(Path(freqai.dk.full_path)) def test_start_backtesting_subdaily_backtest_period(mocker, freqai_conf): freqai_conf.update({"timerange": "20180120-20180124"}) freqai_conf.get("freqai", {}).update({"backtest_period_days": 0.5}) freqai_conf.get("freqai", {}).update({"save_backtest_models": True}) freqai_conf.get("freqai", {}).get("feature_parameters", {}).update( {"indicator_periods_candles": [2]}) strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange) strategy.freqai_info = freqai_conf.get("freqai", {}) freqai = strategy.freqai freqai.live = False freqai.dk = FreqaiDataKitchen(freqai_conf) timerange = TimeRange.parse_timerange("20180110-20180130") freqai.dd.load_all_pair_histories(timerange, freqai.dk) sub_timerange = TimeRange.parse_timerange("20180110-20180130") _, base_df = freqai.dd.get_base_and_corr_dataframes(sub_timerange, "LTC/BTC", freqai.dk) df = base_df[freqai_conf["timeframe"]] metadata = {"pair": "LTC/BTC"} freqai.start_backtesting(df, metadata, freqai.dk, strategy) model_folders = [x for x in freqai.dd.full_path.iterdir() if x.is_dir()] assert len(model_folders) == 9 shutil.rmtree(Path(freqai.dk.full_path)) def test_start_backtesting_from_existing_folder(mocker, freqai_conf, caplog): freqai_conf.update({"timerange": "20180120-20180130"}) freqai_conf.get("freqai", {}).update({"save_backtest_models": True}) freqai_conf.get("freqai", {}).get("feature_parameters", {}).update( {"indicator_periods_candles": [2]}) strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange) strategy.freqai_info = freqai_conf.get("freqai", {}) freqai = strategy.freqai freqai.live = False freqai.dk = FreqaiDataKitchen(freqai_conf) timerange = TimeRange.parse_timerange("20180110-20180130") freqai.dd.load_all_pair_histories(timerange, freqai.dk) sub_timerange = TimeRange.parse_timerange("20180101-20180130") _, base_df = freqai.dd.get_base_and_corr_dataframes(sub_timerange, "LTC/BTC", freqai.dk) df = base_df[freqai_conf["timeframe"]] pair = "ADA/BTC" metadata = {"pair": pair} freqai.dk.pair = pair freqai.start_backtesting(df, metadata, freqai.dk, strategy) model_folders = [x for x in freqai.dd.full_path.iterdir() if x.is_dir()] assert len(model_folders) == 2 # without deleting the existing folder structure, re-run freqai_conf.update({"timerange": "20180120-20180130"}) strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange) strategy.freqai_info = freqai_conf.get("freqai", {}) freqai = strategy.freqai freqai.live = False freqai.dk = FreqaiDataKitchen(freqai_conf) timerange = TimeRange.parse_timerange("20180110-20180130") freqai.dd.load_all_pair_histories(timerange, freqai.dk) sub_timerange = TimeRange.parse_timerange("20180110-20180130") _, base_df = freqai.dd.get_base_and_corr_dataframes(sub_timerange, "LTC/BTC", freqai.dk) df = base_df[freqai_conf["timeframe"]] pair = "ADA/BTC" metadata = {"pair": pair} freqai.dk.pair = pair freqai.start_backtesting(df, metadata, freqai.dk, strategy) assert log_has_re( "Found backtesting prediction file ", caplog, ) pair = "ETH/BTC" metadata = {"pair": pair} freqai.dk.pair = pair freqai.start_backtesting(df, metadata, freqai.dk, strategy) path = (freqai.dd.full_path / freqai.dk.backtest_predictions_folder) prediction_files = [x for x in path.iterdir() if x.is_file()] assert len(prediction_files) == 2 shutil.rmtree(Path(freqai.dk.full_path)) def test_backtesting_fit_live_predictions(mocker, freqai_conf, caplog): freqai_conf.get("freqai", {}).update({"fit_live_predictions_candles": 10}) strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange) strategy.freqai_info = freqai_conf.get("freqai", {}) freqai = strategy.freqai freqai.live = False freqai.dk = FreqaiDataKitchen(freqai_conf) timerange = TimeRange.parse_timerange("20180128-20180130") freqai.dd.load_all_pair_histories(timerange, freqai.dk) sub_timerange = TimeRange.parse_timerange("20180129-20180130") corr_df, base_df = freqai.dd.get_base_and_corr_dataframes(sub_timerange, "LTC/BTC", freqai.dk) df = freqai.dk.use_strategy_to_populate_indicators(strategy, corr_df, base_df, "LTC/BTC") freqai.dk.pair = "ADA/BTC" freqai.dk.full_df = df.fillna(0) freqai.dk.full_df assert "&-s_close_mean" not in freqai.dk.full_df.columns assert "&-s_close_std" not in freqai.dk.full_df.columns freqai.backtesting_fit_live_predictions(freqai.dk) assert "&-s_close_mean" in freqai.dk.full_df.columns assert "&-s_close_std" in freqai.dk.full_df.columns shutil.rmtree(Path(freqai.dk.full_path)) def test_principal_component_analysis(mocker, freqai_conf): freqai_conf.update({"timerange": "20180110-20180130"}) freqai_conf.get("freqai", {}).get("feature_parameters", {}).update( {"princpial_component_analysis": "true"}) strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange) strategy.freqai_info = freqai_conf.get("freqai", {}) freqai = strategy.freqai freqai.live = True freqai.dk = FreqaiDataKitchen(freqai_conf) timerange = TimeRange.parse_timerange("20180110-20180130") freqai.dd.load_all_pair_histories(timerange, freqai.dk) freqai.dd.pair_dict = MagicMock() data_load_timerange = TimeRange.parse_timerange("20180110-20180130") new_timerange = TimeRange.parse_timerange("20180120-20180130") freqai.extract_data_and_train_model( new_timerange, "ADA/BTC", strategy, freqai.dk, data_load_timerange) assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}_pca_object.pkl") shutil.rmtree(Path(freqai.dk.full_path)) def test_plot_feature_importance(mocker, freqai_conf): from freqtrade.freqai.utils import plot_feature_importance freqai_conf.update({"timerange": "20180110-20180130"}) freqai_conf.get("freqai", {}).get("feature_parameters", {}).update( {"princpial_component_analysis": "true"}) strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange) strategy.freqai_info = freqai_conf.get("freqai", {}) freqai = strategy.freqai freqai.live = True freqai.dk = FreqaiDataKitchen(freqai_conf) timerange = TimeRange.parse_timerange("20180110-20180130") freqai.dd.load_all_pair_histories(timerange, freqai.dk) freqai.dd.pair_dict = MagicMock() data_load_timerange = TimeRange.parse_timerange("20180110-20180130") new_timerange = TimeRange.parse_timerange("20180120-20180130") freqai.extract_data_and_train_model( new_timerange, "ADA/BTC", strategy, freqai.dk, data_load_timerange) model = freqai.dd.load_data("ADA/BTC", freqai.dk) plot_feature_importance(model, "ADA/BTC", freqai.dk) assert Path(freqai.dk.data_path / f"{freqai.dk.model_filename}.html") shutil.rmtree(Path(freqai.dk.full_path)) @pytest.mark.parametrize('timeframes,corr_pairs', [ (['5m'], ['ADA/BTC', 'DASH/BTC']), (['5m'], ['ADA/BTC', 'DASH/BTC', 'ETH/USDT']), (['5m', '15m'], ['ADA/BTC', 'DASH/BTC', 'ETH/USDT']), ]) def test_freqai_informative_pairs(mocker, freqai_conf, timeframes, corr_pairs): freqai_conf['freqai']['feature_parameters'].update({ 'include_timeframes': timeframes, 'include_corr_pairlist': corr_pairs, }) strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) pairlists = PairListManager(exchange, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange, pairlists) pairlist = strategy.dp.current_whitelist() pairs_a = strategy.informative_pairs() assert len(pairs_a) == 0 pairs_b = strategy.gather_informative_pairs() # we expect unique pairs * timeframes assert len(pairs_b) == len(set(pairlist + corr_pairs)) * len(timeframes) def test_start_set_train_queue(mocker, freqai_conf, caplog): strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) pairlist = PairListManager(exchange, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange, pairlist) strategy.freqai_info = freqai_conf.get("freqai", {}) freqai = strategy.freqai freqai.live = False freqai.train_queue = freqai._set_train_queue() assert log_has_re( "Set fresh train queue from whitelist.", caplog, ) def test_get_required_data_timerange(mocker, freqai_conf): time_range = get_required_data_timerange(freqai_conf) assert (time_range.stopts - time_range.startts) == 177300 def test_download_all_data_for_training(mocker, freqai_conf, caplog, tmpdir): strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) pairlist = PairListManager(exchange, freqai_conf) strategy.dp = DataProvider(freqai_conf, exchange, pairlist) freqai_conf['pairs'] = freqai_conf['exchange']['pair_whitelist'] freqai_conf['datadir'] = Path(tmpdir) download_all_data_for_training(strategy.dp, freqai_conf) assert log_has_re( "Downloading", caplog, ) @pytest.mark.usefixtures("init_persistence") @pytest.mark.parametrize('dp_exists', [(False), (True)]) def test_get_state_info(mocker, freqai_conf, dp_exists, caplog, tickers): if is_mac(): pytest.skip("Reinforcement learning module not available on intel based Mac OS") if is_py11(): pytest.skip("Reinforcement learning currently not available on python 3.11.") freqai_conf.update({"freqaimodel": "ReinforcementLearner"}) freqai_conf.update({"timerange": "20180110-20180130"}) freqai_conf.update({"strategy": "freqai_rl_test_strat"}) freqai_conf = make_rl_config(freqai_conf) freqai_conf['entry_pricing']['price_side'] = 'same' freqai_conf['exit_pricing']['price_side'] = 'same' strategy = get_patched_freqai_strategy(mocker, freqai_conf) exchange = get_patched_exchange(mocker, freqai_conf) ticker_mock = MagicMock(return_value=tickers()['ETH/BTC']) mocker.patch(f"{EXMS}.fetch_ticker", ticker_mock) strategy.dp = DataProvider(freqai_conf, exchange) if not dp_exists: strategy.dp._exchange = None strategy.freqai_info = freqai_conf.get("freqai", {}) freqai = strategy.freqai freqai.data_provider = strategy.dp freqai.live = True Trade.use_db = True create_mock_trades(MagicMock(return_value=0.0025), False, True) freqai.get_state_info("ADA/BTC") freqai.get_state_info("ETH/BTC") if not dp_exists: assert log_has_re( "No exchange available", caplog, )