freqtrade_origin/tests/plugins/test_protections.py
2020-12-07 08:23:10 +01:00

96 lines
3.2 KiB
Python

import random
from datetime import datetime, timedelta
import pytest
from freqtrade.persistence import Trade
from freqtrade.strategy.interface import SellType
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)
@pytest.mark.parametrize("protectionconf,desc_expected,exception_expected", [
({"method": "StoplossGuard", "lookback_period": 60, "trade_limit": 2},
"[{'StoplossGuard': 'StoplossGuard - Frequent Stoploss Guard, "
"2 stoplosses within 60 minutes.'}]",
None
),
])
def test_protection_manager_desc(mocker, default_conf, protectionconf,
desc_expected, exception_expected):
default_conf['protections'] = [protectionconf]
freqtrade = get_patched_freqtradebot(mocker, default_conf)
short_desc = str(freqtrade.protections.short_desc())
assert short_desc == desc_expected