stable/freqtrade/tests/test_configuration.py
2019-07-04 19:53:50 +02:00

701 lines
25 KiB
Python

# pragma pylint: disable=missing-docstring, protected-access, invalid-name
import json
import logging
from argparse import Namespace
from copy import deepcopy
from unittest.mock import MagicMock
from pathlib import Path
import pytest
from jsonschema import Draft4Validator, ValidationError, validate
from freqtrade import OperationalException, constants
from freqtrade.arguments import Arguments
from freqtrade.configuration import Configuration, set_loggers
from freqtrade.constants import DEFAULT_DB_DRYRUN_URL, DEFAULT_DB_PROD_URL
from freqtrade.state import RunMode
from freqtrade.tests.conftest import log_has, log_has_re
@pytest.fixture(scope="function")
def all_conf():
config_file = Path(__file__).parents[2] / "config_full.json.example"
print(config_file)
configuration = Configuration(Namespace())
conf = configuration._load_config_file(str(config_file))
return conf
def test_load_config_invalid_pair(default_conf) -> None:
default_conf['exchange']['pair_whitelist'].append('ETH-BTC')
with pytest.raises(ValidationError, match=r'.*does not match.*'):
configuration = Configuration(Namespace())
configuration._validate_config_schema(default_conf)
def test_load_config_missing_attributes(default_conf) -> None:
default_conf.pop('exchange')
with pytest.raises(ValidationError, match=r'.*\'exchange\' is a required property.*'):
configuration = Configuration(Namespace())
configuration._validate_config_schema(default_conf)
def test_load_config_incorrect_stake_amount(default_conf) -> None:
default_conf['stake_amount'] = 'fake'
with pytest.raises(ValidationError, match=r'.*\'fake\' does not match \'unlimited\'.*'):
configuration = Configuration(Namespace())
configuration._validate_config_schema(default_conf)
def test_load_config_file(default_conf, mocker, caplog) -> None:
file_mock = mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
configuration = Configuration(Namespace())
validated_conf = configuration._load_config_file('somefile')
assert file_mock.call_count == 1
assert validated_conf.items() >= default_conf.items()
def test_load_config_max_open_trades_zero(default_conf, mocker, caplog) -> None:
default_conf['max_open_trades'] = 0
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
args = Arguments([], '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
assert validated_conf['max_open_trades'] == 0
assert 'internals' in validated_conf
assert log_has('Validating configuration ...', caplog.record_tuples)
def test_load_config_combine_dicts(default_conf, mocker, caplog) -> None:
conf1 = deepcopy(default_conf)
conf2 = deepcopy(default_conf)
del conf1['exchange']['key']
del conf1['exchange']['secret']
del conf2['exchange']['name']
conf2['exchange']['pair_whitelist'] += ['NANO/BTC']
config_files = [conf1, conf2]
configsmock = MagicMock(side_effect=config_files)
mocker.patch('freqtrade.configuration.Configuration._load_config_file', configsmock)
arg_list = ['-c', 'test_conf.json', '--config', 'test2_conf.json', ]
args = Arguments(arg_list, '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
exchange_conf = default_conf['exchange']
assert validated_conf['exchange']['name'] == exchange_conf['name']
assert validated_conf['exchange']['key'] == exchange_conf['key']
assert validated_conf['exchange']['secret'] == exchange_conf['secret']
assert validated_conf['exchange']['pair_whitelist'] != conf1['exchange']['pair_whitelist']
assert validated_conf['exchange']['pair_whitelist'] == conf2['exchange']['pair_whitelist']
assert 'internals' in validated_conf
assert log_has('Validating configuration ...', caplog.record_tuples)
def test_load_config_max_open_trades_minus_one(default_conf, mocker, caplog) -> None:
default_conf['max_open_trades'] = -1
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
args = Arguments([], '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
assert validated_conf['max_open_trades'] > 999999999
assert validated_conf['max_open_trades'] == float('inf')
assert log_has('Validating configuration ...', caplog.record_tuples)
assert "runmode" in validated_conf
assert validated_conf['runmode'] == RunMode.DRY_RUN
def test_load_config_file_exception(mocker) -> None:
mocker.patch(
'freqtrade.configuration.open',
MagicMock(side_effect=FileNotFoundError('File not found'))
)
configuration = Configuration(Namespace())
with pytest.raises(OperationalException, match=r'.*Config file "somefile" not found!*'):
configuration._load_config_file('somefile')
def test_load_config(default_conf, mocker) -> None:
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
args = Arguments([], '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
assert validated_conf.get('strategy') == 'DefaultStrategy'
assert validated_conf.get('strategy_path') is None
assert 'edge' not in validated_conf
def test_load_config_with_params(default_conf, mocker) -> None:
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
arglist = [
'--dynamic-whitelist', '10',
'--strategy', 'TestStrategy',
'--strategy-path', '/some/path',
'--db-url', 'sqlite:///someurl',
]
args = Arguments(arglist, '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
assert validated_conf.get('pairlist', {}).get('method') == 'VolumePairList'
assert validated_conf.get('pairlist', {}).get('config').get('number_assets') == 10
assert validated_conf.get('strategy') == 'TestStrategy'
assert validated_conf.get('strategy_path') == '/some/path'
assert validated_conf.get('db_url') == 'sqlite:///someurl'
# Test conf provided db_url prod
conf = default_conf.copy()
conf["dry_run"] = False
conf["db_url"] = "sqlite:///path/to/db.sqlite"
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(conf)
))
arglist = [
'--strategy', 'TestStrategy',
'--strategy-path', '/some/path'
]
args = Arguments(arglist, '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
assert validated_conf.get('db_url') == "sqlite:///path/to/db.sqlite"
# Test conf provided db_url dry_run
conf = default_conf.copy()
conf["dry_run"] = True
conf["db_url"] = "sqlite:///path/to/db.sqlite"
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(conf)
))
arglist = [
'--strategy', 'TestStrategy',
'--strategy-path', '/some/path'
]
args = Arguments(arglist, '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
assert validated_conf.get('db_url') == "sqlite:///path/to/db.sqlite"
# Test args provided db_url prod
conf = default_conf.copy()
conf["dry_run"] = False
del conf["db_url"]
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(conf)
))
arglist = [
'--strategy', 'TestStrategy',
'--strategy-path', '/some/path'
]
args = Arguments(arglist, '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
assert validated_conf.get('db_url') == DEFAULT_DB_PROD_URL
assert "runmode" in validated_conf
assert validated_conf['runmode'] == RunMode.LIVE
# Test args provided db_url dry_run
conf = default_conf.copy()
conf["dry_run"] = True
conf["db_url"] = DEFAULT_DB_PROD_URL
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(conf)
))
arglist = [
'--strategy', 'TestStrategy',
'--strategy-path', '/some/path'
]
args = Arguments(arglist, '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
assert validated_conf.get('db_url') == DEFAULT_DB_DRYRUN_URL
def test_load_custom_strategy(default_conf, mocker) -> None:
default_conf.update({
'strategy': 'CustomStrategy',
'strategy_path': '/tmp/strategies',
})
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
args = Arguments([], '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
assert validated_conf.get('strategy') == 'CustomStrategy'
assert validated_conf.get('strategy_path') == '/tmp/strategies'
def test_show_info(default_conf, mocker, caplog) -> None:
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
arglist = [
'--dynamic-whitelist', '10',
'--strategy', 'TestStrategy',
'--db-url', 'sqlite:///tmp/testdb',
]
args = Arguments(arglist, '').get_parsed_arg()
configuration = Configuration(args)
configuration.get_config()
assert log_has(
'Parameter --dynamic-whitelist has been deprecated, '
'and will be completely replaced by the whitelist dict in the future. '
'For now: using dynamically generated whitelist based on VolumePairList. '
'(not applicable with Backtesting and Hyperopt)',
caplog.record_tuples
)
assert log_has('Using DB: "sqlite:///tmp/testdb"', caplog.record_tuples)
assert log_has('Dry run is enabled', caplog.record_tuples)
def test_setup_configuration_without_arguments(mocker, default_conf, caplog) -> None:
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
arglist = [
'--config', 'config.json',
'--strategy', 'DefaultStrategy',
'backtesting'
]
args = Arguments(arglist, '').get_parsed_arg()
configuration = Configuration(args)
config = configuration.get_config()
assert 'max_open_trades' in config
assert 'stake_currency' in config
assert 'stake_amount' in config
assert 'exchange' in config
assert 'pair_whitelist' in config['exchange']
assert 'datadir' in config
assert log_has(
'Using data directory: {} ...'.format(config['datadir']),
caplog.record_tuples
)
assert 'ticker_interval' in config
assert not log_has('Parameter -i/--ticker-interval detected ...', caplog.record_tuples)
assert 'live' not in config
assert not log_has('Parameter -l/--live detected ...', caplog.record_tuples)
assert 'position_stacking' not in config
assert not log_has('Parameter --enable-position-stacking detected ...', caplog.record_tuples)
assert 'refresh_pairs' not in config
assert not log_has('Parameter -r/--refresh-pairs-cached detected ...', caplog.record_tuples)
assert 'timerange' not in config
assert 'export' not in config
def test_setup_configuration_with_arguments(mocker, default_conf, caplog) -> None:
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
mocker.patch('freqtrade.configuration.Configuration._create_datadir', lambda s, c, x: x)
arglist = [
'--config', 'config.json',
'--strategy', 'DefaultStrategy',
'--datadir', '/foo/bar',
'backtesting',
'--ticker-interval', '1m',
'--live',
'--enable-position-stacking',
'--disable-max-market-positions',
'--refresh-pairs-cached',
'--timerange', ':100',
'--export', '/bar/foo'
]
args = Arguments(arglist, '').get_parsed_arg()
configuration = Configuration(args)
config = configuration.get_config()
assert 'max_open_trades' in config
assert 'stake_currency' in config
assert 'stake_amount' in config
assert 'exchange' in config
assert 'pair_whitelist' in config['exchange']
assert 'datadir' in config
assert log_has(
'Using data directory: {} ...'.format(config['datadir']),
caplog.record_tuples
)
assert 'ticker_interval' in config
assert log_has('Parameter -i/--ticker-interval detected ... Using ticker_interval: 1m ...',
caplog.record_tuples)
assert 'live' in config
assert log_has('Parameter -l/--live detected ...', caplog.record_tuples)
assert 'position_stacking'in config
assert log_has('Parameter --enable-position-stacking detected ...', caplog.record_tuples)
assert 'use_max_market_positions' in config
assert log_has('Parameter --disable-max-market-positions detected ...', caplog.record_tuples)
assert log_has('max_open_trades set to unlimited ...', caplog.record_tuples)
assert 'refresh_pairs'in config
assert log_has('Parameter -r/--refresh-pairs-cached detected ...', caplog.record_tuples)
assert 'timerange' in config
assert log_has(
'Parameter --timerange detected: {} ...'.format(config['timerange']),
caplog.record_tuples
)
assert 'export' in config
assert log_has(
'Parameter --export detected: {} ...'.format(config['export']),
caplog.record_tuples
)
def test_setup_configuration_with_stratlist(mocker, default_conf, caplog) -> None:
"""
Test setup_configuration() function
"""
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
arglist = [
'--config', 'config.json',
'backtesting',
'--ticker-interval', '1m',
'--export', '/bar/foo',
'--strategy-list',
'DefaultStrategy',
'TestStrategy'
]
args = Arguments(arglist, '').get_parsed_arg()
configuration = Configuration(args, RunMode.BACKTEST)
config = configuration.get_config()
assert config['runmode'] == RunMode.BACKTEST
assert 'max_open_trades' in config
assert 'stake_currency' in config
assert 'stake_amount' in config
assert 'exchange' in config
assert 'pair_whitelist' in config['exchange']
assert 'datadir' in config
assert log_has(
'Using data directory: {} ...'.format(config['datadir']),
caplog.record_tuples
)
assert 'ticker_interval' in config
assert log_has('Parameter -i/--ticker-interval detected ... Using ticker_interval: 1m ...',
caplog.record_tuples)
assert 'strategy_list' in config
assert log_has('Using strategy list of 2 Strategies', caplog.record_tuples)
assert 'position_stacking' not in config
assert 'use_max_market_positions' not in config
assert 'timerange' not in config
assert 'export' in config
assert log_has(
'Parameter --export detected: {} ...'.format(config['export']),
caplog.record_tuples
)
def test_hyperopt_with_arguments(mocker, default_conf, caplog) -> None:
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
arglist = [
'hyperopt',
'--epochs', '10',
'--spaces', 'all',
]
args = Arguments(arglist, '').get_parsed_arg()
configuration = Configuration(args, RunMode.HYPEROPT)
config = configuration.get_config()
assert 'epochs' in config
assert int(config['epochs']) == 10
assert log_has('Parameter --epochs detected ... Will run Hyperopt with for 10 epochs ...',
caplog.record_tuples)
assert 'spaces' in config
assert config['spaces'] == ['all']
assert log_has('Parameter -s/--spaces detected: [\'all\']', caplog.record_tuples)
assert "runmode" in config
assert config['runmode'] == RunMode.HYPEROPT
def test_check_exchange(default_conf, caplog) -> None:
configuration = Configuration(Namespace())
# Test an officially supported by Freqtrade team exchange
default_conf.get('exchange').update({'name': 'BITTREX'})
assert configuration.check_exchange(default_conf)
assert log_has_re(r"Exchange .* is officially supported by the Freqtrade development team\.",
caplog.record_tuples)
caplog.clear()
# Test an officially supported by Freqtrade team exchange
default_conf.get('exchange').update({'name': 'binance'})
assert configuration.check_exchange(default_conf)
assert log_has_re(r"Exchange .* is officially supported by the Freqtrade development team\.",
caplog.record_tuples)
caplog.clear()
# Test an available exchange, supported by ccxt
default_conf.get('exchange').update({'name': 'kraken'})
assert configuration.check_exchange(default_conf)
assert log_has_re(r"Exchange .* is supported by ccxt and .* not officially supported "
r"by the Freqtrade development team\. .*",
caplog.record_tuples)
caplog.clear()
# Test a 'bad' exchange, which known to have serious problems
default_conf.get('exchange').update({'name': 'bitmex'})
assert not configuration.check_exchange(default_conf)
assert log_has_re(r"Exchange .* is known to not work with the bot yet\. "
r"Use it only for development and testing purposes\.",
caplog.record_tuples)
caplog.clear()
# Test a 'bad' exchange with check_for_bad=False
default_conf.get('exchange').update({'name': 'bitmex'})
assert configuration.check_exchange(default_conf, False)
assert log_has_re(r"Exchange .* is supported by ccxt and .* not officially supported "
r"by the Freqtrade development team\. .*",
caplog.record_tuples)
caplog.clear()
# Test an invalid exchange
default_conf.get('exchange').update({'name': 'unknown_exchange'})
configuration.config = default_conf
with pytest.raises(
OperationalException,
match=r'.*Exchange "unknown_exchange" is not supported by ccxt '
r'and therefore not available for the bot.*'
):
configuration.check_exchange(default_conf)
def test_cli_verbose_with_params(default_conf, mocker, caplog) -> None:
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)))
# Prevent setting loggers
mocker.patch('freqtrade.configuration.set_loggers', MagicMock)
arglist = ['-vvv']
args = Arguments(arglist, '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
assert validated_conf.get('verbosity') == 3
assert log_has('Verbosity set to 3', caplog.record_tuples)
def test_set_loggers() -> None:
# Reset Logging to Debug, otherwise this fails randomly as it's set globally
logging.getLogger('requests').setLevel(logging.DEBUG)
logging.getLogger("urllib3").setLevel(logging.DEBUG)
logging.getLogger('ccxt.base.exchange').setLevel(logging.DEBUG)
logging.getLogger('telegram').setLevel(logging.DEBUG)
previous_value1 = logging.getLogger('requests').level
previous_value2 = logging.getLogger('ccxt.base.exchange').level
previous_value3 = logging.getLogger('telegram').level
set_loggers()
value1 = logging.getLogger('requests').level
assert previous_value1 is not value1
assert value1 is logging.INFO
value2 = logging.getLogger('ccxt.base.exchange').level
assert previous_value2 is not value2
assert value2 is logging.INFO
value3 = logging.getLogger('telegram').level
assert previous_value3 is not value3
assert value3 is logging.INFO
set_loggers(log_level=2)
assert logging.getLogger('requests').level is logging.DEBUG
assert logging.getLogger('ccxt.base.exchange').level is logging.INFO
assert logging.getLogger('telegram').level is logging.INFO
set_loggers(log_level=3)
assert logging.getLogger('requests').level is logging.DEBUG
assert logging.getLogger('ccxt.base.exchange').level is logging.DEBUG
assert logging.getLogger('telegram').level is logging.INFO
def test_set_logfile(default_conf, mocker):
mocker.patch('freqtrade.configuration.open',
mocker.mock_open(read_data=json.dumps(default_conf)))
arglist = [
'--logfile', 'test_file.log',
]
args = Arguments(arglist, '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
assert validated_conf['logfile'] == "test_file.log"
f = Path("test_file.log")
assert f.is_file()
f.unlink()
def test_load_config_warn_forcebuy(default_conf, mocker, caplog) -> None:
default_conf['forcebuy_enable'] = True
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
args = Arguments([], '').get_parsed_arg()
configuration = Configuration(args)
validated_conf = configuration.load_config()
assert validated_conf.get('forcebuy_enable')
assert log_has('`forcebuy` RPC message enabled.', caplog.record_tuples)
def test_validate_default_conf(default_conf) -> None:
validate(default_conf, constants.CONF_SCHEMA, Draft4Validator)
def test__create_datadir(mocker, default_conf, caplog) -> None:
mocker.patch('os.path.isdir', MagicMock(return_value=False))
md = MagicMock()
mocker.patch('os.makedirs', md)
cfg = Configuration(Namespace())
cfg._create_datadir(default_conf, '/foo/bar')
assert md.call_args[0][0] == "/foo/bar"
assert log_has('Created data directory: /foo/bar', caplog.record_tuples)
def test_validate_tsl(default_conf):
default_conf['trailing_stop'] = True
default_conf['trailing_stop_positive'] = 0
default_conf['trailing_stop_positive_offset'] = 0
default_conf['trailing_only_offset_is_reached'] = True
with pytest.raises(OperationalException,
match=r'The config trailing_only_offset_is_reached needs '
'trailing_stop_positive_offset to be more than 0 in your config.'):
configuration = Configuration(Namespace())
configuration._validate_config_consistency(default_conf)
default_conf['trailing_stop_positive_offset'] = 0.01
default_conf['trailing_stop_positive'] = 0.015
with pytest.raises(OperationalException,
match=r'The config trailing_stop_positive_offset needs '
'to be greater than trailing_stop_positive_offset in your config.'):
configuration = Configuration(Namespace())
configuration._validate_config_consistency(default_conf)
default_conf['trailing_stop_positive'] = 0.01
default_conf['trailing_stop_positive_offset'] = 0.015
Configuration(Namespace())
configuration._validate_config_consistency(default_conf)
def test_load_config_default_exchange(all_conf) -> None:
"""
config['exchange'] subtree has required options in it
so it cannot be omitted in the config
"""
del all_conf['exchange']
assert 'exchange' not in all_conf
with pytest.raises(ValidationError,
match=r'\'exchange\' is a required property'):
configuration = Configuration(Namespace())
configuration._validate_config_schema(all_conf)
def test_load_config_default_exchange_name(all_conf) -> None:
"""
config['exchange']['name'] option is required
so it cannot be omitted in the config
"""
del all_conf['exchange']['name']
assert 'name' not in all_conf['exchange']
with pytest.raises(ValidationError,
match=r'\'name\' is a required property'):
configuration = Configuration(Namespace())
configuration._validate_config_schema(all_conf)
@pytest.mark.parametrize("keys", [("exchange", "sandbox", False),
("exchange", "key", ""),
("exchange", "secret", ""),
("exchange", "password", ""),
])
def test_load_config_default_subkeys(all_conf, keys) -> None:
"""
Test for parameters with default values in sub-paths
so they can be omitted in the config and the default value
should is added to the config.
"""
# Get first level key
key = keys[0]
# get second level key
subkey = keys[1]
del all_conf[key][subkey]
assert subkey not in all_conf[key]
configuration = Configuration(Namespace())
configuration._validate_config_schema(all_conf)
assert subkey in all_conf[key]
assert all_conf[key][subkey] == keys[2]