Add initial tests for StoplossGuard protection

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Matthias 2020-10-15 07:59:32 +02:00
parent 816703b8e1
commit 2b85e7eac3

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from freqtrade.strategy.interface import SellType
from unittest.mock import MagicMock, PropertyMock
import random
import pytest
from datetime import datetime, timedelta
from freqtrade.constants import AVAILABLE_PROTECTIONS
from freqtrade.persistence import Trade
from tests.conftest import get_patched_freqtradebot, log_has_re
def generate_mock_trade(pair: str, fee: float, is_open: bool,
sell_reason: str = SellType.SELL_SIGNAL,
min_ago_open: int = None, min_ago_close: int = None,
):
open_rate = random.random()
trade = Trade(
pair=pair,
stake_amount=0.01,
fee_open=fee,
fee_close=fee,
open_date=datetime.utcnow() - timedelta(minutes=min_ago_open or 200),
close_date=datetime.utcnow() - timedelta(minutes=min_ago_close or 30),
open_rate=open_rate,
is_open=is_open,
amount=0.01 / open_rate,
exchange='bittrex',
)
trade.recalc_open_trade_price()
if not is_open:
trade.close(open_rate * (1 - 0.9))
trade.sell_reason = sell_reason
return trade
@pytest.mark.usefixtures("init_persistence")
def test_stoploss_guard(mocker, default_conf, fee, caplog):
default_conf['protections'] = [{
"method": "StoplossGuard",
"lookback_period": 60,
"trade_limit": 2
}]
freqtrade = get_patched_freqtradebot(mocker, default_conf)
message = r"Trading stopped due to .*"
assert not freqtrade.protections.global_stop()
assert not log_has_re(message, caplog)
caplog.clear()
Trade.session.add(generate_mock_trade(
'XRP/BTC', fee.return_value, False, sell_reason=SellType.STOP_LOSS.value,
min_ago_open=200, min_ago_close=30,
))
assert not freqtrade.protections.global_stop()
assert not log_has_re(message, caplog)
caplog.clear()
# This trade does not count, as it's closed too long ago
Trade.session.add(generate_mock_trade(
'BCH/BTC', fee.return_value, False, sell_reason=SellType.STOP_LOSS.value,
min_ago_open=250, min_ago_close=100,
))
Trade.session.add(generate_mock_trade(
'ETH/BTC', fee.return_value, False, sell_reason=SellType.STOP_LOSS.value,
min_ago_open=240, min_ago_close=30,
))
# 3 Trades closed - but the 2nd has been closed too long ago.
assert not freqtrade.protections.global_stop()
assert not log_has_re(message, caplog)
caplog.clear()
Trade.session.add(generate_mock_trade(
'LTC/BTC', fee.return_value, False, sell_reason=SellType.STOP_LOSS.value,
min_ago_open=180, min_ago_close=30,
))
assert freqtrade.protections.global_stop()
assert log_has_re(message, caplog)