stable/tests/strategy/test_interface.py

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# pragma pylint: disable=missing-docstring, C0103
import logging
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from datetime import datetime, timedelta, timezone
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from pathlib import Path
from unittest.mock import MagicMock
import arrow
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import pytest
from pandas import DataFrame
from freqtrade.configuration import TimeRange
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from freqtrade.data.dataprovider import DataProvider
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from freqtrade.data.history import load_data
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from freqtrade.enums import ExitCheckTuple, ExitType, SignalDirection
from freqtrade.exceptions import OperationalException, StrategyError
from freqtrade.optimize.space import SKDecimal
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from freqtrade.persistence import PairLocks, Trade
from freqtrade.resolvers import StrategyResolver
from freqtrade.strategy.parameters import (BaseParameter, BooleanParameter, CategoricalParameter,
DecimalParameter, IntParameter, RealParameter)
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from freqtrade.strategy.strategy_wrapper import strategy_safe_wrapper
from tests.conftest import CURRENT_TEST_STRATEGY, TRADE_SIDES, log_has, log_has_re
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from .strats.strategy_test_v3 import StrategyTestV3
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# Avoid to reinit the same object again and again
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_STRATEGY = StrategyTestV3(config={})
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_STRATEGY.dp = DataProvider({}, None, None)
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def test_returns_latest_signal(ohlcv_history):
ohlcv_history.loc[1, 'date'] = arrow.utcnow()
# Take a copy to correctly modify the call
mocked_history = ohlcv_history.copy()
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mocked_history['enter_long'] = 0
mocked_history['exit_long'] = 0
mocked_history['enter_short'] = 0
mocked_history['exit_short'] = 0
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# Set tags in lines that don't matter to test nan in the sell line
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mocked_history.loc[0, 'enter_tag'] = 'wrong_line'
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mocked_history.loc[0, 'exit_tag'] = 'wrong_line'
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mocked_history.loc[1, 'exit_long'] = 1
assert _STRATEGY.get_entry_signal('ETH/BTC', '5m', mocked_history) == (None, None)
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assert _STRATEGY.get_exit_signal('ETH/BTC', '5m', mocked_history) == (False, True, None)
assert _STRATEGY.get_exit_signal('ETH/BTC', '5m', mocked_history, True) == (False, False, None)
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mocked_history.loc[1, 'exit_long'] = 0
mocked_history.loc[1, 'enter_long'] = 1
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assert _STRATEGY.get_entry_signal(
'ETH/BTC', '5m', mocked_history) == (SignalDirection.LONG, None)
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assert _STRATEGY.get_exit_signal('ETH/BTC', '5m', mocked_history) == (True, False, None)
assert _STRATEGY.get_exit_signal('ETH/BTC', '5m', mocked_history, True) == (False, False, None)
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mocked_history.loc[1, 'exit_long'] = 0
mocked_history.loc[1, 'enter_long'] = 0
assert _STRATEGY.get_entry_signal('ETH/BTC', '5m', mocked_history) == (None, None)
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assert _STRATEGY.get_exit_signal('ETH/BTC', '5m', mocked_history) == (False, False, None)
assert _STRATEGY.get_exit_signal('ETH/BTC', '5m', mocked_history, True) == (False, False, None)
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mocked_history.loc[1, 'exit_long'] = 0
mocked_history.loc[1, 'enter_long'] = 1
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mocked_history.loc[1, 'enter_tag'] = 'buy_signal_01'
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assert _STRATEGY.get_entry_signal(
'ETH/BTC', '5m', mocked_history) == (SignalDirection.LONG, 'buy_signal_01')
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assert _STRATEGY.get_exit_signal('ETH/BTC', '5m', mocked_history) == (True, False, None)
assert _STRATEGY.get_exit_signal('ETH/BTC', '5m', mocked_history, True) == (False, False, None)
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mocked_history.loc[1, 'exit_long'] = 0
mocked_history.loc[1, 'enter_long'] = 0
mocked_history.loc[1, 'enter_short'] = 1
mocked_history.loc[1, 'exit_short'] = 0
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mocked_history.loc[1, 'enter_tag'] = 'sell_signal_01'
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# Don't provide short signal while in spot mode
assert _STRATEGY.get_entry_signal('ETH/BTC', '5m', mocked_history) == (None, None)
_STRATEGY.config['trading_mode'] = 'futures'
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# Short signal get's ignored as can_short is not set.
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assert _STRATEGY.get_entry_signal('ETH/BTC', '5m', mocked_history) == (None, None)
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_STRATEGY.can_short = True
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assert _STRATEGY.get_entry_signal(
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'ETH/BTC', '5m', mocked_history) == (SignalDirection.SHORT, 'sell_signal_01')
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assert _STRATEGY.get_exit_signal('ETH/BTC', '5m', mocked_history) == (False, False, None)
assert _STRATEGY.get_exit_signal('ETH/BTC', '5m', mocked_history, True) == (True, False, None)
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mocked_history.loc[1, 'enter_short'] = 0
mocked_history.loc[1, 'exit_short'] = 1
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mocked_history.loc[1, 'exit_tag'] = 'sell_signal_02'
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assert _STRATEGY.get_entry_signal(
'ETH/BTC', '5m', mocked_history) == (None, None)
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assert _STRATEGY.get_exit_signal(
'ETH/BTC', '5m', mocked_history) == (False, False, 'sell_signal_02')
assert _STRATEGY.get_exit_signal(
'ETH/BTC', '5m', mocked_history, True) == (False, True, 'sell_signal_02')
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_STRATEGY.can_short = False
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_STRATEGY.config['trading_mode'] = 'spot'
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def test_analyze_pair_empty(default_conf, mocker, caplog, ohlcv_history):
mocker.patch.object(_STRATEGY.dp, 'ohlcv', return_value=ohlcv_history)
mocker.patch.object(
_STRATEGY, '_analyze_ticker_internal',
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return_value=DataFrame([])
)
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mocker.patch.object(_STRATEGY, 'assert_df')
_STRATEGY.analyze_pair('ETH/BTC')
assert log_has('Empty dataframe for pair ETH/BTC', caplog)
def test_get_signal_empty(default_conf, caplog):
assert (None, None) == _STRATEGY.get_latest_candle(
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'foo', default_conf['timeframe'], DataFrame()
)
assert log_has('Empty candle (OHLCV) data for pair foo', caplog)
caplog.clear()
assert (None, None) == _STRATEGY.get_latest_candle('bar', default_conf['timeframe'], None)
assert log_has('Empty candle (OHLCV) data for pair bar', caplog)
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caplog.clear()
assert (None, None) == _STRATEGY.get_latest_candle(
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'baz',
default_conf['timeframe'],
DataFrame([])
)
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assert log_has('Empty candle (OHLCV) data for pair baz', caplog)
def test_get_signal_exception_valueerror(mocker, caplog, ohlcv_history):
caplog.set_level(logging.INFO)
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mocker.patch.object(_STRATEGY.dp, 'ohlcv', return_value=ohlcv_history)
mocker.patch.object(
_STRATEGY, '_analyze_ticker_internal',
side_effect=ValueError('xyz')
)
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_STRATEGY.analyze_pair('foo')
assert log_has_re(r'Strategy caused the following exception: xyz.*', caplog)
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caplog.clear()
mocker.patch.object(
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_STRATEGY, 'analyze_ticker',
side_effect=Exception('invalid ticker history ')
)
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_STRATEGY.analyze_pair('foo')
assert log_has_re(r'Strategy caused the following exception: xyz.*', caplog)
def test_get_signal_old_dataframe(default_conf, mocker, caplog, ohlcv_history):
# default_conf defines a 5m interval. we check interval * 2 + 5m
# this is necessary as the last candle is removed (partial candles) by default
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ohlcv_history.loc[1, 'date'] = arrow.utcnow().shift(minutes=-16)
# Take a copy to correctly modify the call
mocked_history = ohlcv_history.copy()
mocked_history['exit_long'] = 0
mocked_history['enter_long'] = 0
mocked_history.loc[1, 'enter_long'] = 1
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caplog.set_level(logging.INFO)
mocker.patch.object(_STRATEGY, 'assert_df')
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assert (None, None) == _STRATEGY.get_latest_candle(
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'xyz',
default_conf['timeframe'],
mocked_history
)
assert log_has('Outdated history for pair xyz. Last tick is 16 minutes old', caplog)
def test_get_signal_no_sell_column(default_conf, mocker, caplog, ohlcv_history):
# default_conf defines a 5m interval. we check interval * 2 + 5m
# this is necessary as the last candle is removed (partial candles) by default
ohlcv_history.loc[1, 'date'] = arrow.utcnow()
# Take a copy to correctly modify the call
mocked_history = ohlcv_history.copy()
# Intentionally don't set sell column
# mocked_history['sell'] = 0
mocked_history['enter_long'] = 0
mocked_history.loc[1, 'enter_long'] = 1
caplog.set_level(logging.INFO)
mocker.patch.object(_STRATEGY, 'assert_df')
assert (SignalDirection.LONG, None) == _STRATEGY.get_entry_signal(
'xyz',
default_conf['timeframe'],
mocked_history
)
def test_ignore_expired_candle(default_conf):
strategy = StrategyResolver.load_strategy(default_conf)
strategy.ignore_buying_expired_candle_after = 60
latest_date = datetime(2020, 12, 30, 7, 0, 0, tzinfo=timezone.utc)
# Add 1 candle length as the "latest date" defines candle open.
current_time = latest_date + timedelta(seconds=80 + 300)
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assert strategy.ignore_expired_candle(
latest_date=latest_date,
current_time=current_time,
timeframe_seconds=300,
enter=True
) is True
current_time = latest_date + timedelta(seconds=30 + 300)
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assert not strategy.ignore_expired_candle(
latest_date=latest_date,
current_time=current_time,
timeframe_seconds=300,
enter=True
) is True
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def test_assert_df_raise(mocker, caplog, ohlcv_history):
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ohlcv_history.loc[1, 'date'] = arrow.utcnow().shift(minutes=-16)
# Take a copy to correctly modify the call
mocked_history = ohlcv_history.copy()
mocked_history['sell'] = 0
mocked_history['buy'] = 0
mocked_history.loc[1, 'buy'] = 1
caplog.set_level(logging.INFO)
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mocker.patch.object(_STRATEGY.dp, 'ohlcv', return_value=ohlcv_history)
mocker.patch.object(_STRATEGY.dp, 'get_analyzed_dataframe', return_value=(mocked_history, 0))
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mocker.patch.object(
_STRATEGY, 'assert_df',
side_effect=StrategyError('Dataframe returned...')
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)
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_STRATEGY.analyze_pair('xyz')
assert log_has('Unable to analyze candle (OHLCV) data for pair xyz: Dataframe returned...',
caplog)
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def test_assert_df(ohlcv_history, caplog):
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df_len = len(ohlcv_history) - 1
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ohlcv_history.loc[:, 'enter_long'] = 0
ohlcv_history.loc[:, 'exit_long'] = 0
# Ensure it's running when passed correctly
_STRATEGY.assert_df(ohlcv_history, len(ohlcv_history),
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ohlcv_history.loc[df_len, 'close'], ohlcv_history.loc[df_len, 'date'])
with pytest.raises(StrategyError, match=r"Dataframe returned from strategy.*length\."):
_STRATEGY.assert_df(ohlcv_history, len(ohlcv_history) + 1,
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ohlcv_history.loc[df_len, 'close'], ohlcv_history.loc[df_len, 'date'])
with pytest.raises(StrategyError,
match=r"Dataframe returned from strategy.*last close price\."):
_STRATEGY.assert_df(ohlcv_history, len(ohlcv_history),
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ohlcv_history.loc[df_len, 'close'] + 0.01,
ohlcv_history.loc[df_len, 'date'])
with pytest.raises(StrategyError,
match=r"Dataframe returned from strategy.*last date\."):
_STRATEGY.assert_df(ohlcv_history, len(ohlcv_history),
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ohlcv_history.loc[df_len, 'close'], ohlcv_history.loc[0, 'date'])
with pytest.raises(StrategyError,
match=r"No dataframe returned \(return statement missing\?\)."):
_STRATEGY.assert_df(None, len(ohlcv_history),
ohlcv_history.loc[df_len, 'close'], ohlcv_history.loc[0, 'date'])
with pytest.raises(StrategyError,
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match="enter_long/buy column not set."):
_STRATEGY.assert_df(ohlcv_history.drop('enter_long', axis=1), len(ohlcv_history),
ohlcv_history.loc[df_len, 'close'], ohlcv_history.loc[0, 'date'])
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_STRATEGY.disable_dataframe_checks = True
caplog.clear()
_STRATEGY.assert_df(ohlcv_history, len(ohlcv_history),
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ohlcv_history.loc[2, 'close'], ohlcv_history.loc[0, 'date'])
assert log_has_re(r"Dataframe returned from strategy.*last date\.", caplog)
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# reset to avoid problems in other tests due to test leakage
_STRATEGY.disable_dataframe_checks = False
def test_advise_all_indicators(default_conf, testdatadir) -> None:
strategy = StrategyResolver.load_strategy(default_conf)
timerange = TimeRange.parse_timerange('1510694220-1510700340')
data = load_data(testdatadir, '1m', ['UNITTEST/BTC'], timerange=timerange,
fill_up_missing=True)
processed = strategy.advise_all_indicators(data)
assert len(processed['UNITTEST/BTC']) == 102 # partial candle was removed
def test_advise_all_indicators_copy(mocker, default_conf, testdatadir) -> None:
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strategy = StrategyResolver.load_strategy(default_conf)
aimock = mocker.patch('freqtrade.strategy.interface.IStrategy.advise_indicators')
timerange = TimeRange.parse_timerange('1510694220-1510700340')
data = load_data(testdatadir, '1m', ['UNITTEST/BTC'], timerange=timerange,
fill_up_missing=True)
strategy.advise_all_indicators(data)
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assert aimock.call_count == 1
# Ensure that a copy of the dataframe is passed to advice_indicators
assert aimock.call_args_list[0][0][0] is not data
def test_min_roi_reached(default_conf, fee) -> None:
# Use list to confirm sequence does not matter
min_roi_list = [{20: 0.05, 55: 0.01, 0: 0.1},
{0: 0.1, 20: 0.05, 55: 0.01}]
for roi in min_roi_list:
strategy = StrategyResolver.load_strategy(default_conf)
strategy.minimal_roi = roi
trade = Trade(
pair='ETH/BTC',
stake_amount=0.001,
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amount=5,
open_date=arrow.utcnow().shift(hours=-1).datetime,
fee_open=fee.return_value,
fee_close=fee.return_value,
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exchange='binance',
open_rate=1,
)
assert not strategy.min_roi_reached(trade, 0.02, arrow.utcnow().shift(minutes=-56).datetime)
assert strategy.min_roi_reached(trade, 0.12, arrow.utcnow().shift(minutes=-56).datetime)
assert not strategy.min_roi_reached(trade, 0.04, arrow.utcnow().shift(minutes=-39).datetime)
assert strategy.min_roi_reached(trade, 0.06, arrow.utcnow().shift(minutes=-39).datetime)
assert not strategy.min_roi_reached(trade, -0.01, arrow.utcnow().shift(minutes=-1).datetime)
assert strategy.min_roi_reached(trade, 0.02, arrow.utcnow().shift(minutes=-1).datetime)
def test_min_roi_reached2(default_conf, fee) -> None:
# test with ROI raising after last interval
min_roi_list = [{20: 0.07,
30: 0.05,
55: 0.30,
0: 0.1
},
{0: 0.1,
20: 0.07,
30: 0.05,
55: 0.30
},
]
for roi in min_roi_list:
strategy = StrategyResolver.load_strategy(default_conf)
strategy.minimal_roi = roi
trade = Trade(
pair='ETH/BTC',
stake_amount=0.001,
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amount=5,
open_date=arrow.utcnow().shift(hours=-1).datetime,
fee_open=fee.return_value,
fee_close=fee.return_value,
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exchange='binance',
open_rate=1,
)
assert not strategy.min_roi_reached(trade, 0.02, arrow.utcnow().shift(minutes=-56).datetime)
assert strategy.min_roi_reached(trade, 0.12, arrow.utcnow().shift(minutes=-56).datetime)
assert not strategy.min_roi_reached(trade, 0.04, arrow.utcnow().shift(minutes=-39).datetime)
assert strategy.min_roi_reached(trade, 0.071, arrow.utcnow().shift(minutes=-39).datetime)
assert not strategy.min_roi_reached(trade, 0.04, arrow.utcnow().shift(minutes=-26).datetime)
assert strategy.min_roi_reached(trade, 0.06, arrow.utcnow().shift(minutes=-26).datetime)
# Should not trigger with 20% profit since after 55 minutes only 30% is active.
assert not strategy.min_roi_reached(trade, 0.20, arrow.utcnow().shift(minutes=-2).datetime)
assert strategy.min_roi_reached(trade, 0.31, arrow.utcnow().shift(minutes=-2).datetime)
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def test_min_roi_reached3(default_conf, fee) -> None:
# test for issue #1948
min_roi = {20: 0.07,
30: 0.05,
55: 0.30,
}
strategy = StrategyResolver.load_strategy(default_conf)
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strategy.minimal_roi = min_roi
trade = Trade(
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pair='ETH/BTC',
stake_amount=0.001,
amount=5,
open_date=arrow.utcnow().shift(hours=-1).datetime,
fee_open=fee.return_value,
fee_close=fee.return_value,
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exchange='binance',
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open_rate=1,
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)
assert not strategy.min_roi_reached(trade, 0.02, arrow.utcnow().shift(minutes=-56).datetime)
assert not strategy.min_roi_reached(trade, 0.12, arrow.utcnow().shift(minutes=-56).datetime)
assert not strategy.min_roi_reached(trade, 0.04, arrow.utcnow().shift(minutes=-39).datetime)
assert strategy.min_roi_reached(trade, 0.071, arrow.utcnow().shift(minutes=-39).datetime)
assert not strategy.min_roi_reached(trade, 0.04, arrow.utcnow().shift(minutes=-26).datetime)
assert strategy.min_roi_reached(trade, 0.06, arrow.utcnow().shift(minutes=-26).datetime)
# Should not trigger with 20% profit since after 55 minutes only 30% is active.
assert not strategy.min_roi_reached(trade, 0.20, arrow.utcnow().shift(minutes=-2).datetime)
assert strategy.min_roi_reached(trade, 0.31, arrow.utcnow().shift(minutes=-2).datetime)
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@pytest.mark.parametrize(
'profit,adjusted,expected,trailing,custom,profit2,adjusted2,expected2,custom_stop', [
# Profit, adjusted stoploss(absolute), profit for 2nd call, enable trailing,
# enable custom stoploss, expected after 1st call, expected after 2nd call
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(0.2, 0.9, ExitType.NONE, False, False, 0.3, 0.9, ExitType.NONE, None),
(0.2, 0.9, ExitType.NONE, False, False, -0.2, 0.9, ExitType.STOP_LOSS, None),
(0.2, 1.14, ExitType.NONE, True, False, 0.05, 1.14, ExitType.TRAILING_STOP_LOSS, None),
(0.01, 0.96, ExitType.NONE, True, False, 0.05, 1, ExitType.NONE, None),
(0.05, 1, ExitType.NONE, True, False, -0.01, 1, ExitType.TRAILING_STOP_LOSS, None),
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# Default custom case - trails with 10%
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(0.05, 0.95, ExitType.NONE, False, True, -0.02, 0.95, ExitType.NONE, None),
(0.05, 0.95, ExitType.NONE, False, True, -0.06, 0.95, ExitType.TRAILING_STOP_LOSS, None),
(0.05, 1, ExitType.NONE, False, True, -0.06, 1, ExitType.TRAILING_STOP_LOSS,
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lambda **kwargs: -0.05),
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(0.05, 1, ExitType.NONE, False, True, 0.09, 1.04, ExitType.NONE,
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lambda **kwargs: -0.05),
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(0.05, 0.95, ExitType.NONE, False, True, 0.09, 0.98, ExitType.NONE,
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lambda current_profit, **kwargs: -0.1 if current_profit < 0.6 else -(current_profit * 2)),
# Error case - static stoploss in place
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(0.05, 0.9, ExitType.NONE, False, True, 0.09, 0.9, ExitType.NONE,
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lambda **kwargs: None),
])
def test_stop_loss_reached(default_conf, fee, profit, adjusted, expected, trailing, custom,
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profit2, adjusted2, expected2, custom_stop) -> None:
strategy = StrategyResolver.load_strategy(default_conf)
trade = Trade(
pair='ETH/BTC',
stake_amount=0.01,
amount=1,
open_date=arrow.utcnow().shift(hours=-1).datetime,
fee_open=fee.return_value,
fee_close=fee.return_value,
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exchange='binance',
open_rate=1,
)
trade.adjust_min_max_rates(trade.open_rate, trade.open_rate)
strategy.trailing_stop = trailing
strategy.trailing_stop_positive = -0.05
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strategy.use_custom_stoploss = custom
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original_stopvalue = strategy.custom_stoploss
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if custom_stop:
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strategy.custom_stoploss = custom_stop
now = arrow.utcnow().datetime
current_rate = trade.open_rate * (1 + profit)
sl_flag = strategy.stop_loss_reached(current_rate=current_rate, trade=trade,
current_time=now, current_profit=profit,
force_stoploss=0, high=None)
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assert isinstance(sl_flag, ExitCheckTuple)
assert sl_flag.exit_type == expected
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if expected == ExitType.NONE:
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assert sl_flag.exit_flag is False
else:
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assert sl_flag.exit_flag is True
assert round(trade.stop_loss, 2) == adjusted
current_rate2 = trade.open_rate * (1 + profit2)
sl_flag = strategy.stop_loss_reached(current_rate=current_rate2, trade=trade,
current_time=now, current_profit=profit2,
force_stoploss=0, high=None)
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assert sl_flag.exit_type == expected2
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if expected2 == ExitType.NONE:
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assert sl_flag.exit_flag is False
else:
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assert sl_flag.exit_flag is True
assert round(trade.stop_loss, 2) == adjusted2
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strategy.custom_stoploss = original_stopvalue
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def test_custom_exit(default_conf, fee, caplog) -> None:
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strategy = StrategyResolver.load_strategy(default_conf)
trade = Trade(
pair='ETH/BTC',
stake_amount=0.01,
amount=1,
open_date=arrow.utcnow().shift(hours=-1).datetime,
fee_open=fee.return_value,
fee_close=fee.return_value,
exchange='binance',
open_rate=1,
)
now = arrow.utcnow().datetime
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res = strategy.should_exit(trade, 1, now,
enter=False, exit_=False,
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low=None, high=None)
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assert res.exit_flag is False
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assert res.exit_type == ExitType.NONE
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strategy.custom_exit = MagicMock(return_value=True)
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res = strategy.should_exit(trade, 1, now,
enter=False, exit_=False,
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low=None, high=None)
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assert res.exit_flag is True
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assert res.exit_type == ExitType.CUSTOM_EXIT
assert res.exit_reason == 'custom_exit'
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strategy.custom_exit = MagicMock(return_value='hello world')
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res = strategy.should_exit(trade, 1, now,
enter=False, exit_=False,
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low=None, high=None)
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assert res.exit_type == ExitType.CUSTOM_EXIT
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assert res.exit_flag is True
assert res.exit_reason == 'hello world'
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caplog.clear()
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strategy.custom_exit = MagicMock(return_value='h' * 100)
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res = strategy.should_exit(trade, 1, now,
enter=False, exit_=False,
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low=None, high=None)
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assert res.exit_type == ExitType.CUSTOM_EXIT
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assert res.exit_flag is True
assert res.exit_reason == 'h' * 64
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assert log_has_re('Custom exit reason returned from custom_exit is too long.*', caplog)
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@pytest.mark.parametrize('side', TRADE_SIDES)
def test_leverage_callback(default_conf, side) -> None:
default_conf['strategy'] = 'StrategyTestV2'
strategy = StrategyResolver.load_strategy(default_conf)
assert strategy.leverage(
pair='XRP/USDT',
current_time=datetime.now(timezone.utc),
current_rate=2.2,
proposed_leverage=1.0,
max_leverage=5.0,
side=side,
) == 1
default_conf['strategy'] = CURRENT_TEST_STRATEGY
strategy = StrategyResolver.load_strategy(default_conf)
assert strategy.leverage(
pair='XRP/USDT',
current_time=datetime.now(timezone.utc),
current_rate=2.2,
proposed_leverage=1.0,
max_leverage=5.0,
side=side,
) == 3
def test_analyze_ticker_default(ohlcv_history, mocker, caplog) -> None:
caplog.set_level(logging.DEBUG)
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ind_mock = MagicMock(side_effect=lambda x, meta: x)
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entry_mock = MagicMock(side_effect=lambda x, meta: x)
exit_mock = MagicMock(side_effect=lambda x, meta: x)
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mocker.patch.multiple(
'freqtrade.strategy.interface.IStrategy',
advise_indicators=ind_mock,
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advise_entry=entry_mock,
advise_exit=exit_mock,
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)
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strategy = StrategyTestV3({})
strategy.analyze_ticker(ohlcv_history, {'pair': 'ETH/BTC'})
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assert ind_mock.call_count == 1
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assert entry_mock.call_count == 1
assert entry_mock.call_count == 1
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assert log_has('TA Analysis Launched', caplog)
assert not log_has('Skipping TA Analysis for already analyzed candle', caplog)
caplog.clear()
strategy.analyze_ticker(ohlcv_history, {'pair': 'ETH/BTC'})
# No analysis happens as process_only_new_candles is true
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assert ind_mock.call_count == 2
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assert entry_mock.call_count == 2
assert entry_mock.call_count == 2
assert log_has('TA Analysis Launched', caplog)
assert not log_has('Skipping TA Analysis for already analyzed candle', caplog)
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def test__analyze_ticker_internal_skip_analyze(ohlcv_history, mocker, caplog) -> None:
caplog.set_level(logging.DEBUG)
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ind_mock = MagicMock(side_effect=lambda x, meta: x)
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entry_mock = MagicMock(side_effect=lambda x, meta: x)
exit_mock = MagicMock(side_effect=lambda x, meta: x)
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mocker.patch.multiple(
'freqtrade.strategy.interface.IStrategy',
advise_indicators=ind_mock,
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advise_entry=entry_mock,
advise_exit=exit_mock,
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)
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strategy = StrategyTestV3({})
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strategy.dp = DataProvider({}, None, None)
strategy.process_only_new_candles = True
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ret = strategy._analyze_ticker_internal(ohlcv_history, {'pair': 'ETH/BTC'})
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assert 'high' in ret.columns
assert 'low' in ret.columns
assert 'close' in ret.columns
assert isinstance(ret, DataFrame)
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assert ind_mock.call_count == 1
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assert entry_mock.call_count == 1
assert entry_mock.call_count == 1
assert log_has('TA Analysis Launched', caplog)
assert not log_has('Skipping TA Analysis for already analyzed candle', caplog)
caplog.clear()
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ret = strategy._analyze_ticker_internal(ohlcv_history, {'pair': 'ETH/BTC'})
# No analysis happens as process_only_new_candles is true
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assert ind_mock.call_count == 1
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assert entry_mock.call_count == 1
assert entry_mock.call_count == 1
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# only skipped analyze adds buy and sell columns, otherwise it's all mocked
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assert 'enter_long' in ret.columns
assert 'exit_long' in ret.columns
assert ret['enter_long'].sum() == 0
assert ret['exit_long'].sum() == 0
assert not log_has('TA Analysis Launched', caplog)
assert log_has('Skipping TA Analysis for already analyzed candle', caplog)
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@pytest.mark.usefixtures("init_persistence")
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def test_is_pair_locked(default_conf):
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PairLocks.timeframe = default_conf['timeframe']
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PairLocks.use_db = True
strategy = StrategyResolver.load_strategy(default_conf)
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# No lock should be present
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assert len(PairLocks.get_pair_locks(None)) == 0
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pair = 'ETH/BTC'
assert not strategy.is_pair_locked(pair)
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strategy.lock_pair(pair, arrow.now(timezone.utc).shift(minutes=4).datetime)
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# ETH/BTC locked for 4 minutes
assert strategy.is_pair_locked(pair)
# XRP/BTC should not be locked now
pair = 'XRP/BTC'
assert not strategy.is_pair_locked(pair)
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# Unlocking a pair that's not locked should not raise an error
strategy.unlock_pair(pair)
# Unlock original pair
pair = 'ETH/BTC'
strategy.unlock_pair(pair)
assert not strategy.is_pair_locked(pair)
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# Lock with reason
reason = "TestLockR"
strategy.lock_pair(pair, arrow.now(timezone.utc).shift(minutes=4).datetime, reason)
assert strategy.is_pair_locked(pair)
strategy.unlock_reason(reason)
assert not strategy.is_pair_locked(pair)
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pair = 'BTC/USDT'
# Lock until 14:30
lock_time = datetime(2020, 5, 1, 14, 30, 0, tzinfo=timezone.utc)
# Subtract 2 seconds, as locking rounds up to the next candle.
strategy.lock_pair(pair, lock_time - timedelta(seconds=2))
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assert not strategy.is_pair_locked(pair)
# latest candle is from 14:20, lock goes to 14:30
assert strategy.is_pair_locked(pair, candle_date=lock_time + timedelta(minutes=-10))
assert strategy.is_pair_locked(pair, candle_date=lock_time + timedelta(minutes=-50))
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# latest candle is from 14:25 (lock should be lifted)
# Since this is the "new candle" available at 14:30
assert not strategy.is_pair_locked(pair, candle_date=lock_time + timedelta(minutes=-4))
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# Should not be locked after time expired
assert not strategy.is_pair_locked(pair, candle_date=lock_time + timedelta(minutes=10))
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# Change timeframe to 15m
strategy.timeframe = '15m'
# Candle from 14:14 - lock goes until 14:30
assert strategy.is_pair_locked(pair, candle_date=lock_time + timedelta(minutes=-16))
assert strategy.is_pair_locked(pair, candle_date=lock_time + timedelta(minutes=-15, seconds=-2))
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# Candle from 14:15 - lock goes until 14:30
assert not strategy.is_pair_locked(pair, candle_date=lock_time + timedelta(minutes=-15))
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def test_is_informative_pairs_callback(default_conf):
default_conf.update({'strategy': 'StrategyTestV2'})
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strategy = StrategyResolver.load_strategy(default_conf)
# Should return empty
# Uses fallback to base implementation
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assert [] == strategy.gather_informative_pairs()
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@pytest.mark.parametrize('error', [
ValueError, KeyError, Exception,
])
def test_strategy_safe_wrapper_error(caplog, error):
def failing_method():
raise error('This is an error.')
def working_method(argumentpassedin):
return argumentpassedin
with pytest.raises(StrategyError, match=r'This is an error.'):
strategy_safe_wrapper(failing_method, message='DeadBeef')()
assert log_has_re(r'DeadBeef.*', caplog)
ret = strategy_safe_wrapper(failing_method, message='DeadBeef', default_retval=True)()
assert isinstance(ret, bool)
assert ret
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caplog.clear()
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# Test suppressing error
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ret = strategy_safe_wrapper(failing_method, message='DeadBeef', supress_error=True)()
assert log_has_re(r'DeadBeef.*', caplog)
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@pytest.mark.parametrize('value', [
1, 22, 55, True, False, {'a': 1, 'b': '112'},
[1, 2, 3, 4], (4, 2, 3, 6)
])
def test_strategy_safe_wrapper(value):
def working_method(argumentpassedin):
return argumentpassedin
ret = strategy_safe_wrapper(working_method, message='DeadBeef')(value)
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assert isinstance(ret, type(value))
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assert ret == value
def test_hyperopt_parameters():
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from skopt.space import Categorical, Integer, Real
with pytest.raises(OperationalException, match=r"Name is determined.*"):
IntParameter(low=0, high=5, default=1, name='hello')
with pytest.raises(OperationalException, match=r"IntParameter space must be.*"):
IntParameter(low=0, default=5, space='buy')
with pytest.raises(OperationalException, match=r"RealParameter space must be.*"):
RealParameter(low=0, default=5, space='buy')
with pytest.raises(OperationalException, match=r"DecimalParameter space must be.*"):
DecimalParameter(low=0, default=5, space='buy')
with pytest.raises(OperationalException, match=r"IntParameter space invalid\."):
IntParameter([0, 10], high=7, default=5, space='buy')
with pytest.raises(OperationalException, match=r"RealParameter space invalid\."):
RealParameter([0, 10], high=7, default=5, space='buy')
with pytest.raises(OperationalException, match=r"DecimalParameter space invalid\."):
DecimalParameter([0, 10], high=7, default=5, space='buy')
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with pytest.raises(OperationalException, match=r"CategoricalParameter space must.*"):
CategoricalParameter(['aa'], default='aa', space='buy')
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with pytest.raises(TypeError):
BaseParameter(opt_range=[0, 1], default=1, space='buy')
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intpar = IntParameter(low=0, high=5, default=1, space='buy')
assert intpar.value == 1
assert isinstance(intpar.get_space(''), Integer)
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assert isinstance(intpar.range, range)
assert len(list(intpar.range)) == 1
# Range contains ONLY the default / value.
assert list(intpar.range) == [intpar.value]
intpar.in_space = True
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assert len(list(intpar.range)) == 6
assert list(intpar.range) == [0, 1, 2, 3, 4, 5]
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fltpar = RealParameter(low=0.0, high=5.5, default=1.0, space='buy')
assert fltpar.value == 1
assert isinstance(fltpar.get_space(''), Real)
fltpar = DecimalParameter(low=0.0, high=0.5, default=0.14, decimals=1, space='buy')
assert fltpar.value == 0.1
assert isinstance(fltpar.get_space(''), SKDecimal)
assert isinstance(fltpar.range, list)
assert len(list(fltpar.range)) == 1
# Range contains ONLY the default / value.
assert list(fltpar.range) == [fltpar.value]
fltpar.in_space = True
assert len(list(fltpar.range)) == 6
assert list(fltpar.range) == [0.0, 0.1, 0.2, 0.3, 0.4, 0.5]
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catpar = CategoricalParameter(['buy_rsi', 'buy_macd', 'buy_none'],
default='buy_macd', space='buy')
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assert catpar.value == 'buy_macd'
assert isinstance(catpar.get_space(''), Categorical)
assert isinstance(catpar.range, list)
assert len(list(catpar.range)) == 1
# Range contains ONLY the default / value.
assert list(catpar.range) == [catpar.value]
catpar.in_space = True
assert len(list(catpar.range)) == 3
assert list(catpar.range) == ['buy_rsi', 'buy_macd', 'buy_none']
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boolpar = BooleanParameter(default=True, space='buy')
assert boolpar.value is True
assert isinstance(boolpar.get_space(''), Categorical)
assert isinstance(boolpar.range, list)
assert len(list(boolpar.range)) == 1
boolpar.in_space = True
assert len(list(boolpar.range)) == 2
assert list(boolpar.range) == [True, False]
def test_auto_hyperopt_interface(default_conf):
default_conf.update({'strategy': 'HyperoptableStrategy'})
PairLocks.timeframe = default_conf['timeframe']
strategy = StrategyResolver.load_strategy(default_conf)
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with pytest.raises(OperationalException):
next(strategy.enumerate_parameters('deadBeef'))
assert strategy.buy_rsi.value == strategy.buy_params['buy_rsi']
# PlusDI is NOT in the buy-params, so default should be used
assert strategy.buy_plusdi.value == 0.5
assert strategy.sell_rsi.value == strategy.sell_params['sell_rsi']
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assert repr(strategy.sell_rsi) == 'IntParameter(74)'
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# Parameter is disabled - so value from sell_param dict will NOT be used.
assert strategy.sell_minusdi.value == 0.5
all_params = strategy.detect_all_parameters()
assert isinstance(all_params, dict)
assert len(all_params['buy']) == 2
assert len(all_params['sell']) == 2
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# Number of Hyperoptable parameters
assert all_params['count'] == 6
strategy.__class__.sell_rsi = IntParameter([0, 10], default=5, space='buy')
with pytest.raises(OperationalException, match=r"Inconclusive parameter.*"):
[x for x in strategy.detect_parameters('sell')]
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def test_auto_hyperopt_interface_loadparams(default_conf, mocker, caplog):
default_conf.update({'strategy': 'HyperoptableStrategy'})
del default_conf['stoploss']
del default_conf['minimal_roi']
mocker.patch.object(Path, 'is_file', MagicMock(return_value=True))
mocker.patch.object(Path, 'open')
expected_result = {
"strategy_name": "HyperoptableStrategy",
"params": {
"stoploss": {
"stoploss": -0.05,
},
"roi": {
"0": 0.2,
"1200": 0.01
}
}
}
mocker.patch('freqtrade.strategy.hyper.json_load', return_value=expected_result)
PairLocks.timeframe = default_conf['timeframe']
strategy = StrategyResolver.load_strategy(default_conf)
assert strategy.stoploss == -0.05
assert strategy.minimal_roi == {0: 0.2, 1200: 0.01}
expected_result = {
"strategy_name": "HyperoptableStrategy_No",
"params": {
"stoploss": {
"stoploss": -0.05,
},
"roi": {
"0": 0.2,
"1200": 0.01
}
}
}
mocker.patch('freqtrade.strategy.hyper.json_load', return_value=expected_result)
with pytest.raises(OperationalException, match="Invalid parameter file provided."):
StrategyResolver.load_strategy(default_conf)
mocker.patch('freqtrade.strategy.hyper.json_load', MagicMock(side_effect=ValueError()))
StrategyResolver.load_strategy(default_conf)
assert log_has("Invalid parameter file format.", caplog)