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_setup_configuration_without_arguments(mocker, default_conf,
caplog) -> None:
patched_configuration_load_config_file(mocker, default_conf)
args = [
'--config', 'config.json', '--strategy', 'DefaultStrategy',
'backtesting'
]
config = setup_configuration(get_args(args), 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)
assert 'ticker_interval' in config
assert not log_has_re('Parameter -i/--ticker-interval detected .*', caplog)
assert 'position_stacking' not in config
assert not log_has('Parameter --enable-position-stacking detected ...',
caplog)
assert 'refresh_pairs' not in config
assert not log_has('Parameter -r/--refresh-pairs-cached detected ...',
caplog)
assert 'timerange' not in config
assert 'export' not in config
assert 'runmode' in config
assert config['runmode'] == RunMode.BACKTEST
def test_setup_hyperopt_configuration_without_arguments(
mocker, default_conf, caplog) -> None:
mocker.patch('freqtrade.configuration.open',
mocker.mock_open(read_data=json.dumps(default_conf)))
args = ['--config', 'config.json', 'hyperopt']
config = setup_configuration(get_args(args), RunMode.HYPEROPT)
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 folder: {} ...'.format(config['datadir']),
caplog.record_tuples)
assert 'ticker_interval' in config
assert not log_has_re('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 'runmode' in config
assert config['runmode'] == RunMode.HYPEROPT
def test_add_indicators(default_conf, caplog):
pair = "UNITTEST/BTC"
timerange = TimeRange(None, 'line', 0, -1000)
data = history.load_pair_history(pair=pair, ticker_interval='1m',
datadir=None, timerange=timerange)
indicators1 = ["ema10"]
indicators2 = ["macd"]
# Generate buy/sell signals and indicators
strat = DefaultStrategy(default_conf)
data = strat.analyze_ticker(data, {'pair': pair})
fig = generage_empty_figure()
# Row 1
fig1 = add_indicators(fig=deepcopy(fig), row=1, indicators=indicators1, data=data)
figure = fig1.layout.figure
ema10 = find_trace_in_fig_data(figure.data, "ema10")
assert isinstance(ema10, go.Scatter)
assert ema10.yaxis == "y"
fig2 = add_indicators(fig=deepcopy(fig), row=3, indicators=indicators2, data=data)
figure = fig2.layout.figure
macd = find_trace_in_fig_data(figure.data, "macd")
assert isinstance(macd, go.Scatter)
assert macd.yaxis == "y3"
# No indicator found
fig3 = add_indicators(fig=deepcopy(fig), row=3, indicators=['no_indicator'], data=data)
assert fig == fig3
assert log_has_re(r'Indicator "no_indicator" ignored\..*', caplog)
def test_load_staticmethod_importerror(mocker, caplog):
mocker.patch("freqtrade.resolvers.strategy_resolver.import_strategy", Mock(
side_effect=TypeError("can't pickle staticmethod objects")))
with pytest.raises(ImportError,
match=r"Impossible to load Strategy 'DefaultStrategy'."
r" This class does not exist or contains Python code errors"):
StrategyResolver()
assert log_has_re(r".*Error: can't pickle staticmethod objects", caplog.record_tuples)
def test_load_strategy_invalid_directory(result, caplog):
resolver = StrategyResolver()
extra_dir = Path.cwd() / 'some/path'
resolver._load_strategy('TestStrategy', config={}, extra_dir=extra_dir)
assert log_has_re(r'Path .*' + r'some.*path.*' + r'.* does not exist',
caplog.record_tuples)
assert 'adx' in resolver.strategy.advise_indicators(
result, {'pair': 'ETH/BTC'})
def test_load_strategy_base64(result, caplog, default_conf):
with open("user_data/strategies/test_strategy.py", "rb") as file:
encoded_string = urlsafe_b64encode(file.read()).decode("utf-8")
default_conf.update({'strategy': 'TestStrategy:{}'.format(encoded_string)})
resolver = StrategyResolver(default_conf)
assert 'adx' in resolver.strategy.advise_indicators(
result, {'pair': 'ETH/BTC'})
# Make sure strategy was loaded from base64 (using temp directory)!!
assert log_has_re(
r"Using resolved strategy TestStrategy from '" +
tempfile.gettempdir() + r"/.*/TestStrategy\.py'\.\.\.", caplog)
