409 lines
13 KiB
Python
409 lines
13 KiB
Python
# pragma pylint: disable=protected-access, invalid-name
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"""
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Unit test file for configuration.py
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"""
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import json
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from argparse import Namespace
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from copy import deepcopy
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from unittest.mock import MagicMock
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import pytest
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from jsonschema import ValidationError
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from freqtrade import OperationalException
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from freqtrade.arguments import Arguments
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from freqtrade.configuration import Configuration
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from freqtrade.constants import DEFAULT_DB_DRYRUN_URL, DEFAULT_DB_PROD_URL
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from freqtrade.tests.conftest import log_has
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def test_configuration_object() -> None:
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"""
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Test the Constants object has the mandatory Constants
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"""
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assert hasattr(Configuration, 'load_config')
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assert hasattr(Configuration, '_load_config_file')
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assert hasattr(Configuration, '_validate_config')
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assert hasattr(Configuration, '_load_common_config')
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assert hasattr(Configuration, '_load_backtesting_config')
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assert hasattr(Configuration, '_load_hyperopt_config')
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assert hasattr(Configuration, 'get_config')
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def test_load_config_invalid_pair(default_conf) -> None:
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"""
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Test the configuration validator with an invalid PAIR format
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"""
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conf = deepcopy(default_conf)
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conf['exchange']['pair_whitelist'].append('ETH-BTC')
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with pytest.raises(ValidationError, match=r'.*does not match.*'):
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configuration = Configuration(Namespace())
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configuration._validate_config(conf)
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def test_load_config_missing_attributes(default_conf) -> None:
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"""
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Test the configuration validator with a missing attribute
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"""
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conf = deepcopy(default_conf)
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conf.pop('exchange')
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with pytest.raises(ValidationError, match=r'.*\'exchange\' is a required property.*'):
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configuration = Configuration(Namespace())
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configuration._validate_config(conf)
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def test_load_config_incorrect_stake_amount(default_conf) -> None:
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"""
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Test the configuration validator with a missing attribute
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"""
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conf = deepcopy(default_conf)
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conf['stake_amount'] = 'fake'
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with pytest.raises(ValidationError, match=r'.*\'fake\' does not match \'unlimited\'.*'):
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configuration = Configuration(Namespace())
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configuration._validate_config(conf)
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def test_load_config_file(default_conf, mocker, caplog) -> None:
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"""
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Test Configuration._load_config_file() method
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"""
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file_mock = mocker.patch('freqtrade.configuration.open', mocker.mock_open(
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read_data=json.dumps(default_conf)
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))
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configuration = Configuration(Namespace())
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validated_conf = configuration._load_config_file('somefile')
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assert file_mock.call_count == 1
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assert validated_conf.items() >= default_conf.items()
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assert 'internals' in validated_conf
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assert log_has('Validating configuration ...', caplog.record_tuples)
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def test_load_config_max_open_trades_zero(default_conf, mocker, caplog) -> None:
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"""
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Test Configuration._load_config_file() method
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"""
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conf = deepcopy(default_conf)
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conf['max_open_trades'] = 0
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file_mock = mocker.patch('freqtrade.configuration.open', mocker.mock_open(
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read_data=json.dumps(conf)
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))
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Configuration(Namespace())._load_config_file('somefile')
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assert file_mock.call_count == 1
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assert log_has('Validating configuration ...', caplog.record_tuples)
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def test_load_config_file_exception(mocker) -> None:
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"""
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Test Configuration._load_config_file() method
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"""
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mocker.patch(
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'freqtrade.configuration.open',
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MagicMock(side_effect=FileNotFoundError('File not found'))
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)
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configuration = Configuration(Namespace())
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with pytest.raises(OperationalException, match=r'.*Config file "somefile" not found!*'):
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configuration._load_config_file('somefile')
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def test_load_config(default_conf, mocker) -> None:
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"""
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Test Configuration.load_config() without any cli params
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"""
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mocker.patch('freqtrade.configuration.open', mocker.mock_open(
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read_data=json.dumps(default_conf)
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))
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args = Arguments([], '').get_parsed_arg()
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configuration = Configuration(args)
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validated_conf = configuration.load_config()
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assert validated_conf.get('strategy') == 'DefaultStrategy'
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assert validated_conf.get('strategy_path') is None
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assert 'dynamic_whitelist' not in validated_conf
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def test_load_config_with_params(default_conf, mocker) -> None:
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"""
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Test Configuration.load_config() with cli params used
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"""
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mocker.patch('freqtrade.configuration.open', mocker.mock_open(
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read_data=json.dumps(default_conf)
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))
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arglist = [
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'--dynamic-whitelist', '10',
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'--strategy', 'TestStrategy',
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'--strategy-path', '/some/path',
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'--db-url', 'sqlite:///someurl',
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]
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args = Arguments(arglist, '').get_parsed_arg()
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configuration = Configuration(args)
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validated_conf = configuration.load_config()
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assert validated_conf.get('dynamic_whitelist') == 10
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assert validated_conf.get('strategy') == 'TestStrategy'
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assert validated_conf.get('strategy_path') == '/some/path'
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assert validated_conf.get('db_url') == 'sqlite:///someurl'
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conf = default_conf.copy()
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conf["dry_run"] = False
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del conf["db_url"]
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mocker.patch('freqtrade.configuration.open', mocker.mock_open(
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read_data=json.dumps(conf)
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))
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arglist = [
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'--dynamic-whitelist', '10',
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'--strategy', 'TestStrategy',
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'--strategy-path', '/some/path'
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]
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args = Arguments(arglist, '').get_parsed_arg()
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configuration = Configuration(args)
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validated_conf = configuration.load_config()
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assert validated_conf.get('db_url') == DEFAULT_DB_PROD_URL
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# Test dry=run with ProdURL
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conf = default_conf.copy()
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conf["dry_run"] = True
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conf["db_url"] = DEFAULT_DB_PROD_URL
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mocker.patch('freqtrade.configuration.open', mocker.mock_open(
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read_data=json.dumps(conf)
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))
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arglist = [
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'--dynamic-whitelist', '10',
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'--strategy', 'TestStrategy',
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'--strategy-path', '/some/path'
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]
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args = Arguments(arglist, '').get_parsed_arg()
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configuration = Configuration(args)
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validated_conf = configuration.load_config()
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assert validated_conf.get('db_url') == DEFAULT_DB_DRYRUN_URL
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def test_load_custom_strategy(default_conf, mocker) -> None:
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"""
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Test Configuration.load_config() without any cli params
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"""
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custom_conf = deepcopy(default_conf)
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custom_conf.update({
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'strategy': 'CustomStrategy',
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'strategy_path': '/tmp/strategies',
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})
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mocker.patch('freqtrade.configuration.open', mocker.mock_open(
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read_data=json.dumps(custom_conf)
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))
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args = Arguments([], '').get_parsed_arg()
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configuration = Configuration(args)
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validated_conf = configuration.load_config()
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assert validated_conf.get('strategy') == 'CustomStrategy'
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assert validated_conf.get('strategy_path') == '/tmp/strategies'
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def test_show_info(default_conf, mocker, caplog) -> None:
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"""
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Test Configuration.show_info()
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"""
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mocker.patch('freqtrade.configuration.open', mocker.mock_open(
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read_data=json.dumps(default_conf)
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))
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arglist = [
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'--dynamic-whitelist', '10',
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'--strategy', 'TestStrategy',
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'--db-url', 'sqlite:///tmp/testdb',
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]
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args = Arguments(arglist, '').get_parsed_arg()
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configuration = Configuration(args)
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configuration.get_config()
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assert log_has(
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'Parameter --dynamic-whitelist detected. '
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'Using dynamically generated whitelist. '
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'(not applicable with Backtesting and Hyperopt)',
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caplog.record_tuples
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)
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assert log_has('Using DB: "sqlite:///tmp/testdb"', caplog.record_tuples)
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assert log_has('Dry run is enabled', caplog.record_tuples)
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def test_setup_configuration_without_arguments(mocker, default_conf, caplog) -> None:
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"""
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Test setup_configuration() function
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"""
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mocker.patch('freqtrade.configuration.open', mocker.mock_open(
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read_data=json.dumps(default_conf)
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))
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arglist = [
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'--config', 'config.json',
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'--strategy', 'DefaultStrategy',
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'backtesting'
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]
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args = Arguments(arglist, '').get_parsed_arg()
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configuration = Configuration(args)
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config = configuration.get_config()
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assert 'max_open_trades' in config
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assert 'stake_currency' in config
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assert 'stake_amount' in config
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assert 'exchange' in config
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assert 'pair_whitelist' in config['exchange']
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assert 'datadir' in config
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assert log_has(
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'Using data folder: {} ...'.format(config['datadir']),
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caplog.record_tuples
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)
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assert 'ticker_interval' in config
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assert not log_has('Parameter -i/--ticker-interval detected ...', caplog.record_tuples)
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assert 'live' not in config
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assert not log_has('Parameter -l/--live detected ...', caplog.record_tuples)
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assert 'position_stacking' not in config
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assert not log_has('Parameter --enable-position-stacking detected ...', caplog.record_tuples)
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assert 'refresh_pairs' not in config
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assert not log_has('Parameter -r/--refresh-pairs-cached detected ...', caplog.record_tuples)
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assert 'timerange' not in config
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assert 'export' not in config
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def test_setup_configuration_with_arguments(mocker, default_conf, caplog) -> None:
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"""
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Test setup_configuration() function
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"""
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mocker.patch('freqtrade.configuration.open', mocker.mock_open(
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read_data=json.dumps(default_conf)
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))
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arglist = [
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'--config', 'config.json',
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'--strategy', 'DefaultStrategy',
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'--datadir', '/foo/bar',
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'backtesting',
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'--ticker-interval', '1m',
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'--live',
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'--enable-position-stacking',
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'--disable-max-market-positions',
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'--refresh-pairs-cached',
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'--timerange', ':100',
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'--export', '/bar/foo'
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]
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args = Arguments(arglist, '').get_parsed_arg()
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configuration = Configuration(args)
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config = configuration.get_config()
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assert 'max_open_trades' in config
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assert 'stake_currency' in config
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assert 'stake_amount' in config
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assert 'exchange' in config
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assert 'pair_whitelist' in config['exchange']
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assert 'datadir' in config
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assert log_has(
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'Using data folder: {} ...'.format(config['datadir']),
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caplog.record_tuples
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)
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assert 'ticker_interval' in config
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assert log_has('Parameter -i/--ticker-interval detected ...', caplog.record_tuples)
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assert log_has(
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'Using ticker_interval: 1m ...',
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caplog.record_tuples
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)
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assert 'live' in config
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assert log_has('Parameter -l/--live detected ...', caplog.record_tuples)
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assert 'position_stacking'in config
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assert log_has('Parameter --enable-position-stacking detected ...', caplog.record_tuples)
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assert 'use_max_market_positions' in config
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assert log_has('Parameter --disable-max-market-positions detected ...', caplog.record_tuples)
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assert log_has('max_open_trades set to unlimited ...', caplog.record_tuples)
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assert 'refresh_pairs'in config
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assert log_has('Parameter -r/--refresh-pairs-cached detected ...', caplog.record_tuples)
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assert 'timerange' in config
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assert log_has(
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'Parameter --timerange detected: {} ...'.format(config['timerange']),
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caplog.record_tuples
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)
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assert 'export' in config
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assert log_has(
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'Parameter --export detected: {} ...'.format(config['export']),
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caplog.record_tuples
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)
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def test_hyperopt_with_arguments(mocker, default_conf, caplog) -> None:
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"""
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Test setup_configuration() function
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"""
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mocker.patch('freqtrade.configuration.open', mocker.mock_open(
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read_data=json.dumps(default_conf)
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))
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arglist = [
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'hyperopt',
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'--epochs', '10',
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'--spaces', 'all',
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]
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args = Arguments(arglist, '').get_parsed_arg()
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configuration = Configuration(args)
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config = configuration.get_config()
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assert 'epochs' in config
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assert int(config['epochs']) == 10
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assert log_has('Parameter --epochs detected ...', caplog.record_tuples)
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assert log_has('Will run Hyperopt with for 10 epochs ...', caplog.record_tuples)
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assert 'spaces' in config
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assert config['spaces'] == ['all']
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assert log_has('Parameter -s/--spaces detected: [\'all\']', caplog.record_tuples)
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def test_check_exchange(default_conf) -> None:
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"""
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Test the configuration validator with a missing attribute
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"""
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conf = deepcopy(default_conf)
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configuration = Configuration(Namespace())
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# Test a valid exchange
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conf.get('exchange').update({'name': 'BITTREX'})
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assert configuration.check_exchange(conf)
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# Test a valid exchange
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conf.get('exchange').update({'name': 'binance'})
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assert configuration.check_exchange(conf)
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# Test a invalid exchange
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conf.get('exchange').update({'name': 'unknown_exchange'})
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configuration.config = conf
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with pytest.raises(
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OperationalException,
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match=r'.*Exchange "unknown_exchange" not supported.*'
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):
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configuration.check_exchange(conf)
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