Merge pull request #619 from gcarq/feature/catch-exchange-errors

granular exception handling and retrying mechanism for ccxt
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Michael Egger 2018-05-02 20:13:16 +02:00 committed by GitHub
commit c72d4665a1
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7 changed files with 188 additions and 158 deletions

2
.gitignore vendored
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@ -1,7 +1,7 @@
# Freqtrade rules
freqtrade/tests/testdata/*.json
hyperopt_conf.py
config.json
config*.json
*.sqlite
.hyperopt
logfile.txt

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@ -16,9 +16,9 @@ class OperationalException(BaseException):
"""
class NetworkException(BaseException):
class TemporaryError(BaseException):
"""
Network related error.
Temporary network or exchange related error.
This could happen when an exchange is congested, unavailable, or the user
has networking problems. Usually resolves itself after a time.
"""

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@ -8,7 +8,7 @@ from datetime import datetime
import ccxt
import arrow
from freqtrade import OperationalException, DependencyException, NetworkException
from freqtrade import OperationalException, DependencyException, TemporaryError
logger = logging.getLogger(__name__)
@ -16,7 +16,7 @@ logger = logging.getLogger(__name__)
# Current selected exchange
_API: ccxt.Exchange = None
_CONF: dict = {}
_CONF: Dict = {}
API_RETRY_COUNT = 4
# Holds all open sell orders for dry_run
@ -34,15 +34,16 @@ def retrier(f):
count = kwargs.pop('count', API_RETRY_COUNT)
try:
return f(*args, **kwargs)
except (NetworkException, DependencyException) as ex:
logger.warning('%s returned exception: "%s"', f, ex)
except (TemporaryError, DependencyException) as ex:
logger.warning('%s() returned exception: "%s"', f.__name__, ex)
if count > 0:
count -= 1
kwargs.update({'count': count})
logger.warning('retrying %s still for %s times', f, count)
logger.warning('retrying %s() still for %s times', f.__name__, count)
return wrapper(*args, **kwargs)
else:
raise OperationalException('Giving up retrying: %s', f)
logger.warning('Giving up retrying: %s()', f.__name__)
raise ex
return wrapper
@ -153,10 +154,10 @@ def buy(pair: str, rate: float, amount: float) -> Dict:
'Tried to buy amount {} at rate {} (total {}).'
'Message: {}'.format(pair, amount, rate, rate*amount, e)
)
except ccxt.NetworkError as e:
raise NetworkException(
'Could not place buy order due to networking error. Message: {}'.format(e)
)
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
'Could not place buy order due to {}. Message: {}'.format(
e.__class__.__name__, e))
except ccxt.BaseError as e:
raise OperationalException(e)
@ -191,23 +192,30 @@ def sell(pair: str, rate: float, amount: float) -> Dict:
'Tried to sell amount {} at rate {} (total {}).'
'Message: {}'.format(pair, amount, rate, rate*amount, e)
)
except ccxt.NetworkError as e:
raise NetworkException(
'Could not place sell order due to networking error. Message: {}'.format(e)
)
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
'Could not place sell order due to {}. Message: {}'.format(
e.__class__.__name__, e))
except ccxt.BaseError as e:
raise OperationalException(e)
@retrier
def get_balance(currency: str) -> float:
if _CONF['dry_run']:
return 999.9
# ccxt exception is already handled by get_balances
balances = get_balances()
return balances[currency]['free']
balance = balances.get(currency)
if balance is None:
raise TemporaryError(
'Could not get {} balance due to malformed exchange response: {}'.format(
currency, balances))
return balance['free']
@retrier
def get_balances() -> dict:
if _CONF['dry_run']:
return {}
@ -221,10 +229,10 @@ def get_balances() -> dict:
balances.pop("used", None)
return balances
except ccxt.NetworkError as e:
raise NetworkException(
'Could not get balance due to networking error. Message: {}'.format(e)
)
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
'Could not get balance due to {}. Message: {}'.format(
e.__class__.__name__, e))
except ccxt.BaseError as e:
raise OperationalException(e)
@ -233,17 +241,17 @@ def get_balances() -> dict:
def get_tickers() -> Dict:
try:
return _API.fetch_tickers()
except ccxt.NetworkError as e:
raise NetworkException(
'Could not load tickers due to networking error. Message: {}'.format(e)
)
except ccxt.BaseError as e:
raise OperationalException(e)
except ccxt.NotSupported as e:
raise OperationalException(
'Exchange {} does not support fetching tickers in batch.'
'Message: {}'.format(_API.name, e)
)
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
'Could not load tickers due to {}. Message: {}'.format(
e.__class__.__name__, e))
except ccxt.BaseError as e:
raise OperationalException(e)
# TODO: remove refresh argument, keeping it to keep track of where it was intended to be used
@ -251,10 +259,10 @@ def get_tickers() -> Dict:
def get_ticker(pair: str, refresh: Optional[bool] = True) -> dict:
try:
return _API.fetch_ticker(pair)
except ccxt.NetworkError as e:
raise NetworkException(
'Could not load tickers due to networking error. Message: {}'.format(e)
)
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
'Could not load ticker history due to {}. Message: {}'.format(
e.__class__.__name__, e))
except ccxt.BaseError as e:
raise OperationalException(e)
@ -263,37 +271,39 @@ def get_ticker(pair: str, refresh: Optional[bool] = True) -> dict:
def get_ticker_history(pair: str, tick_interval: str) -> List[Dict]:
try:
return _API.fetch_ohlcv(pair, timeframe=tick_interval)
except ccxt.NetworkError as e:
raise NetworkException(
'Could not load ticker history due to networking error. Message: {}'.format(e)
)
except ccxt.BaseError as e:
raise OperationalException('Could not fetch ticker data. Msg: {}'.format(e))
except ccxt.NotSupported as e:
raise OperationalException(
'Exchange {} does not support fetching historical candlestick data.'
'Message: {}'.format(_API.name, e)
)
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
'Could not load ticker history due to {}. Message: {}'.format(
e.__class__.__name__, e))
except ccxt.BaseError as e:
raise OperationalException('Could not fetch ticker data. Msg: {}'.format(e))
@retrier
def cancel_order(order_id: str, pair: str) -> None:
if _CONF['dry_run']:
return
try:
return _API.cancel_order(order_id, pair)
except ccxt.NetworkError as e:
raise NetworkException(
'Could not get order due to networking error. Message: {}'.format(e)
)
except ccxt.InvalidOrder as e:
raise DependencyException(
'Could not cancel order. Message: {}'.format(e)
)
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
'Could not cancel order due to {}. Message: {}'.format(
e.__class__.__name__, e))
except ccxt.BaseError as e:
raise OperationalException(e)
@retrier
def get_order(order_id: str, pair: str) -> Dict:
if _CONF['dry_run']:
order = _DRY_RUN_OPEN_ORDERS[order_id]
@ -303,18 +313,19 @@ def get_order(order_id: str, pair: str) -> Dict:
return order
try:
return _API.fetch_order(order_id, pair)
except ccxt.NetworkError as e:
raise NetworkException(
'Could not get order due to networking error. Message: {}'.format(e)
)
except ccxt.InvalidOrder as e:
raise DependencyException(
'Could not get order. Message: {}'.format(e)
)
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
'Could not get order due to {}. Message: {}'.format(
e.__class__.__name__, e))
except ccxt.BaseError as e:
raise OperationalException(e)
@retrier
def get_trades_for_order(order_id: str, pair: str, since: datetime) -> List:
if _CONF['dry_run']:
return []
@ -327,7 +338,7 @@ def get_trades_for_order(order_id: str, pair: str, since: datetime) -> List:
return matched_trades
except ccxt.NetworkError as e:
raise NetworkException(
raise TemporaryError(
'Could not get trades due to networking error. Message: {}'.format(e)
)
except ccxt.BaseError as e:
@ -345,13 +356,14 @@ def get_pair_detail_url(pair: str) -> str:
return ""
@retrier
def get_markets() -> List[dict]:
try:
return _API.fetch_markets()
except ccxt.NetworkError as e:
raise NetworkException(
'Could not load markets due to networking error. Message: {}'.format(e)
)
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
'Could not load markets due to {}. Message: {}'.format(
e.__class__.__name__, e))
except ccxt.BaseError as e:
raise OperationalException(e)
@ -364,14 +376,22 @@ def get_id() -> str:
return _API.id
@retrier
def get_fee(symbol='ETH/BTC', type='', side='', amount=1,
price=1, taker_or_maker='maker') -> float:
# validate that markets are loaded before trying to get fee
if _API.markets is None or len(_API.markets) == 0:
_API.load_markets()
try:
# validate that markets are loaded before trying to get fee
if _API.markets is None or len(_API.markets) == 0:
_API.load_markets()
return _API.calculate_fee(symbol=symbol, type=type, side=side, amount=amount,
price=price, takerOrMaker=taker_or_maker)['rate']
return _API.calculate_fee(symbol=symbol, type=type, side=side, amount=amount,
price=price, takerOrMaker=taker_or_maker)['rate']
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
'Could not get fee info due to {}. Message: {}'.format(
e.__class__.__name__, e))
except ccxt.BaseError as e:
raise OperationalException(e)
def get_amount_lots(pair: str, amount: float) -> float:

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@ -3,7 +3,6 @@ Freqtrade is the main module of this bot. It contains the class Freqtrade()
"""
import copy
import json
import logging
import time
import traceback
@ -15,7 +14,8 @@ import requests
from cachetools import cached, TTLCache
from freqtrade import (
DependencyException, OperationalException, exchange, persistence, __version__
DependencyException, OperationalException, TemporaryError,
exchange, persistence, __version__,
)
from freqtrade.analyze import Analyze
from freqtrade.constants import Constants
@ -173,7 +173,7 @@ class FreqtradeBot(object):
self.check_handle_timedout(self.config['unfilledtimeout'])
Trade.session.flush()
except (requests.exceptions.RequestException, json.JSONDecodeError) as error:
except TemporaryError as error:
logger.warning('%s, retrying in 30 seconds...', error)
time.sleep(Constants.RETRY_TIMEOUT)
except OperationalException:
@ -360,27 +360,30 @@ class FreqtradeBot(object):
Tries to execute a sell trade
:return: True if executed
"""
# Get order details for actual price per unit
if trade.open_order_id:
# Update trade with order values
logger.info('Found open order for %s', trade)
order = exchange.get_order(trade.open_order_id, trade.pair)
# Try update amount (binance-fix)
try:
new_amount = self.get_real_amount(trade, order)
if order['amount'] != new_amount:
order['amount'] = new_amount
# Fee was applied, so set to 0
trade.fee_open = 0
try:
# Get order details for actual price per unit
if trade.open_order_id:
# Update trade with order values
logger.info('Found open order for %s', trade)
order = exchange.get_order(trade.open_order_id, trade.pair)
# Try update amount (binance-fix)
try:
new_amount = self.get_real_amount(trade, order)
if order['amount'] != new_amount:
order['amount'] = new_amount
# Fee was applied, so set to 0
trade.fee_open = 0
except OperationalException as exception:
logger.warning("could not update trade amount: %s", exception)
except OperationalException as exception:
logger.warning("could not update trade amount: %s", exception)
trade.update(order)
trade.update(order)
if trade.is_open and trade.open_order_id is None:
# Check if we can sell our current pair
return self.handle_trade(trade)
if trade.is_open and trade.open_order_id is None:
# Check if we can sell our current pair
return self.handle_trade(trade)
except DependencyException as exception:
logger.warning('Unable to sell trade: %s', exception)
return False
def get_real_amount(self, trade: Trade, order: Dict) -> float:
@ -482,7 +485,7 @@ class FreqtradeBot(object):
"""Buy timeout - cancel order
:return: True if order was fully cancelled
"""
exchange.cancel_order(trade.open_order_id)
exchange.cancel_order(trade.open_order_id, trade.pair)
if order['remaining'] == order['amount']:
# if trade is not partially completed, just delete the trade
Trade.session.delete(trade)
@ -512,7 +515,7 @@ class FreqtradeBot(object):
"""
if order['remaining'] == order['amount']:
# if trade is not partially completed, just cancel the trade
exchange.cancel_order(trade.open_order_id)
exchange.cancel_order(trade.open_order_id, trade.pair)
trade.close_rate = None
trade.close_profit = None
trade.close_date = None

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@ -4,15 +4,15 @@ import logging
from copy import deepcopy
from random import randint
from unittest.mock import MagicMock, PropertyMock
import ccxt
import ccxt
import pytest
from freqtrade import OperationalException, DependencyException, NetworkException
import freqtrade.exchange as exchange
from freqtrade import OperationalException, DependencyException, TemporaryError
from freqtrade.exchange import (init, validate_pairs, buy, sell, get_balance, get_balances,
get_ticker, get_ticker_history, cancel_order, get_name, get_fee,
get_id, get_pair_detail_url, get_amount_lots)
import freqtrade.exchange as exchange
from freqtrade.tests.conftest import log_has
API_INIT = False
@ -149,7 +149,7 @@ def test_buy_prod(default_conf, mocker):
mocker.patch('freqtrade.exchange._API', api_mock)
buy(pair='ETH/BTC', rate=200, amount=1)
with pytest.raises(NetworkException):
with pytest.raises(TemporaryError):
api_mock.create_limit_buy_order = MagicMock(side_effect=ccxt.NetworkError)
mocker.patch('freqtrade.exchange._API', api_mock)
buy(pair='ETH/BTC', rate=200, amount=1)
@ -199,7 +199,7 @@ def test_sell_prod(default_conf, mocker):
mocker.patch('freqtrade.exchange._API', api_mock)
sell(pair='ETH/BTC', rate=200, amount=1)
with pytest.raises(NetworkException):
with pytest.raises(TemporaryError):
api_mock.create_limit_sell_order = MagicMock(side_effect=ccxt.NetworkError)
mocker.patch('freqtrade.exchange._API', api_mock)
sell(pair='ETH/BTC', rate=200, amount=1)
@ -263,15 +263,17 @@ def test_get_balances_prod(default_conf, mocker):
assert get_balances()['1ST']['total'] == 10.0
assert get_balances()['1ST']['used'] == 0.0
with pytest.raises(NetworkException):
with pytest.raises(TemporaryError):
api_mock.fetch_balance = MagicMock(side_effect=ccxt.NetworkError)
mocker.patch('freqtrade.exchange._API', api_mock)
get_balances()
assert api_mock.fetch_balance.call_count == exchange.API_RETRY_COUNT + 1
with pytest.raises(OperationalException):
api_mock.fetch_balance = MagicMock(side_effect=ccxt.BaseError)
mocker.patch('freqtrade.exchange._API', api_mock)
get_balances()
assert api_mock.fetch_balance.call_count == 1
# This test is somewhat redundant with
@ -311,7 +313,7 @@ def test_get_ticker(default_conf, mocker):
assert ticker['bid'] == 0.5
assert ticker['ask'] == 1
with pytest.raises(OperationalException): # test retrier
with pytest.raises(TemporaryError): # test retrier
api_mock.fetch_ticker = MagicMock(side_effect=ccxt.NetworkError)
mocker.patch('freqtrade.exchange._API', api_mock)
get_ticker(pair='ETH/BTC', refresh=True)
@ -369,7 +371,7 @@ def test_get_ticker_history(default_conf, mocker):
assert ticks[0][4] == 9
assert ticks[0][5] == 10
with pytest.raises(OperationalException): # test retrier
with pytest.raises(TemporaryError): # test retrier
api_mock.fetch_ohlcv = MagicMock(side_effect=ccxt.NetworkError)
mocker.patch('freqtrade.exchange._API', api_mock)
# new symbol to get around cache
@ -398,20 +400,23 @@ def test_cancel_order(default_conf, mocker):
mocker.patch('freqtrade.exchange._API', api_mock)
assert cancel_order(order_id='_', pair='TKN/BTC') == 123
with pytest.raises(NetworkException):
with pytest.raises(TemporaryError):
api_mock.cancel_order = MagicMock(side_effect=ccxt.NetworkError)
mocker.patch('freqtrade.exchange._API', api_mock)
cancel_order(order_id='_', pair='TKN/BTC')
assert api_mock.cancel_order.call_count == exchange.API_RETRY_COUNT + 1
with pytest.raises(DependencyException):
api_mock.cancel_order = MagicMock(side_effect=ccxt.InvalidOrder)
mocker.patch('freqtrade.exchange._API', api_mock)
cancel_order(order_id='_', pair='TKN/BTC')
assert api_mock.cancel_order.call_count == exchange.API_RETRY_COUNT + 1
with pytest.raises(OperationalException):
api_mock.cancel_order = MagicMock(side_effect=ccxt.BaseError)
mocker.patch('freqtrade.exchange._API', api_mock)
cancel_order(order_id='_', pair='TKN/BTC')
assert api_mock.cancel_order.call_count == 1
def test_get_order(default_conf, mocker):
@ -430,20 +435,23 @@ def test_get_order(default_conf, mocker):
mocker.patch('freqtrade.exchange._API', api_mock)
assert exchange.get_order('X', 'TKN/BTC') == 456
with pytest.raises(NetworkException):
with pytest.raises(TemporaryError):
api_mock.fetch_order = MagicMock(side_effect=ccxt.NetworkError)
mocker.patch('freqtrade.exchange._API', api_mock)
exchange.get_order(order_id='_', pair='TKN/BTC')
assert api_mock.fetch_order.call_count == exchange.API_RETRY_COUNT + 1
with pytest.raises(DependencyException):
api_mock.fetch_order = MagicMock(side_effect=ccxt.InvalidOrder)
mocker.patch('freqtrade.exchange._API', api_mock)
exchange.get_order(order_id='_', pair='TKN/BTC')
assert api_mock.fetch_order.call_count == exchange.API_RETRY_COUNT + 1
with pytest.raises(OperationalException):
api_mock.fetch_order = MagicMock(side_effect=ccxt.BaseError)
mocker.patch('freqtrade.exchange._API', api_mock)
exchange.get_order(order_id='_', pair='TKN/BTC')
assert api_mock.fetch_order.call_count == 1
def test_get_name(default_conf, mocker):

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@ -6,7 +6,6 @@ import random
from copy import deepcopy
from typing import List
from unittest.mock import MagicMock
import pytest
import numpy as np
import pandas as pd
@ -18,19 +17,6 @@ from freqtrade.arguments import Arguments
from freqtrade.optimize.backtesting import Backtesting, start, setup_configuration
from freqtrade.tests.conftest import log_has
# Avoid to reinit the same object again and again
_BACKTESTING = None
_BACKTESTING_INITIALIZED = False
@pytest.fixture(scope='function')
def init_backtesting(default_conf, mocker):
global _BACKTESTING_INITIALIZED, _BACKTESTING
if not _BACKTESTING_INITIALIZED:
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
_BACKTESTING = Backtesting(default_conf)
_BACKTESTING_INITIALIZED = True
def get_args(args) -> List[str]:
return Arguments(args, '').get_parsed_arg()
@ -96,8 +82,9 @@ def load_data_test(what):
return data
def simple_backtest(config, contour, num_results) -> None:
backtesting = _BACKTESTING
def simple_backtest(config, contour, num_results, mocker) -> None:
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
backtesting = Backtesting(config)
data = load_data_test(contour)
processed = backtesting.tickerdata_to_dataframe(data)
@ -128,12 +115,14 @@ def _load_pair_as_ticks(pair, tickfreq):
# FIX: fixturize this?
def _make_backtest_conf(conf=None, pair='UNITTEST/BTC', record=None):
def _make_backtest_conf(mocker, conf=None, pair='UNITTEST/BTC', record=None):
data = optimize.load_data(None, ticker_interval='8m', pairs=[pair])
data = trim_dictlist(data, -200)
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
backtesting = Backtesting(conf)
return {
'stake_amount': conf['stake_amount'],
'processed': _BACKTESTING.tickerdata_to_dataframe(data),
'processed': backtesting.tickerdata_to_dataframe(data),
'max_open_trades': 10,
'realistic': True,
'record': record
@ -169,21 +158,6 @@ def _trend_alternate(dataframe=None):
return dataframe
def _run_backtest_1(fun, backtest_conf):
# strategy is a global (hidden as a singleton), so we
# emulate strategy being pure, by override/restore here
# if we dont do this, the override in strategy will carry over
# to other tests
old_buy = _BACKTESTING.populate_buy_trend
old_sell = _BACKTESTING.populate_sell_trend
_BACKTESTING.populate_buy_trend = fun # Override
_BACKTESTING.populate_sell_trend = fun # Override
results = _BACKTESTING.backtest(backtest_conf)
_BACKTESTING.populate_buy_trend = old_buy # restore override
_BACKTESTING.populate_sell_trend = old_sell # restore override
return results
# Unit tests
def test_setup_configuration_without_arguments(mocker, default_conf, caplog) -> None:
"""
@ -287,12 +261,13 @@ def test_setup_configuration_with_arguments(mocker, default_conf, caplog) -> Non
)
def test_start(mocker, init_backtesting, fee, default_conf, caplog) -> None:
def test_start(mocker, fee, default_conf, caplog) -> None:
"""
Test start() function
"""
start_mock = MagicMock()
mocker.patch('freqtrade.exchange.get_fee', fee)
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
mocker.patch('freqtrade.optimize.backtesting.Backtesting.start', start_mock)
mocker.patch('freqtrade.configuration.open', mocker.mock_open(
read_data=json.dumps(default_conf)
@ -342,16 +317,16 @@ def test_backtesting_init(mocker, default_conf) -> None:
assert callable(backtesting.populate_sell_trend)
def test_tickerdata_to_dataframe(init_backtesting, default_conf) -> None:
def test_tickerdata_to_dataframe(default_conf, mocker) -> None:
"""
Test Backtesting.tickerdata_to_dataframe() method
"""
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
timerange = ((None, 'line'), None, -100)
tick = optimize.load_tickerdata_file(None, 'UNITTEST/BTC', '1m', timerange=timerange)
tickerlist = {'UNITTEST/BTC': tick}
backtesting = _BACKTESTING
backtesting = Backtesting(default_conf)
data = backtesting.tickerdata_to_dataframe(tickerlist)
assert len(data['UNITTEST/BTC']) == 100
@ -361,11 +336,12 @@ def test_tickerdata_to_dataframe(init_backtesting, default_conf) -> None:
assert data['UNITTEST/BTC'].equals(data2['UNITTEST/BTC'])
def test_get_timeframe(init_backtesting) -> None:
def test_get_timeframe(default_conf, mocker) -> None:
"""
Test Backtesting.get_timeframe() method
"""
backtesting = _BACKTESTING
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
backtesting = Backtesting(default_conf)
data = backtesting.tickerdata_to_dataframe(
optimize.load_data(
@ -379,11 +355,12 @@ def test_get_timeframe(init_backtesting) -> None:
assert max_date.isoformat() == '2017-11-14T22:59:00+00:00'
def test_generate_text_table(init_backtesting):
def test_generate_text_table(default_conf, mocker):
"""
Test Backtesting.generate_text_table() method
"""
backtesting = _BACKTESTING
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
backtesting = Backtesting(default_conf)
results = pd.DataFrame(
{
@ -451,13 +428,13 @@ def test_backtesting_start(default_conf, mocker, caplog) -> None:
assert log_has(line, caplog.record_tuples)
def test_backtest(init_backtesting, default_conf, fee, mocker) -> None:
def test_backtest(default_conf, fee, mocker) -> None:
"""
Test Backtesting.backtest() method
"""
mocker.patch('freqtrade.exchange.get_fee', fee)
backtesting = _BACKTESTING
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
backtesting = Backtesting(default_conf)
data = optimize.load_data(None, ticker_interval='5m', pairs=['UNITTEST/BTC'])
data = trim_dictlist(data, -200)
@ -472,13 +449,13 @@ def test_backtest(init_backtesting, default_conf, fee, mocker) -> None:
assert not results.empty
def test_backtest_1min_ticker_interval(init_backtesting, default_conf, fee, mocker) -> None:
def test_backtest_1min_ticker_interval(default_conf, fee, mocker) -> None:
"""
Test Backtesting.backtest() method with 1 min ticker
"""
mocker.patch('freqtrade.exchange.get_fee', fee)
backtesting = _BACKTESTING
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
backtesting = Backtesting(default_conf)
# Run a backtesting for an exiting 5min ticker_interval
data = optimize.load_data(None, ticker_interval='1m', pairs=['UNITTEST/BTC'])
@ -494,11 +471,12 @@ def test_backtest_1min_ticker_interval(init_backtesting, default_conf, fee, mock
assert not results.empty
def test_processed(init_backtesting) -> None:
def test_processed(default_conf, mocker) -> None:
"""
Test Backtesting.backtest() method with offline data
"""
backtesting = _BACKTESTING
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
backtesting = Backtesting(default_conf)
dict_of_tickerrows = load_data_test('raise')
dataframes = backtesting.tickerdata_to_dataframe(dict_of_tickerrows)
@ -510,69 +488,90 @@ def test_processed(init_backtesting) -> None:
assert col in cols
def test_backtest_pricecontours(init_backtesting, default_conf, fee, mocker) -> None:
def test_backtest_pricecontours(default_conf, fee, mocker) -> None:
mocker.patch('freqtrade.optimize.backtesting.exchange.get_fee', fee)
tests = [['raise', 17], ['lower', 0], ['sine', 17]]
for [contour, numres] in tests:
simple_backtest(default_conf, contour, numres)
simple_backtest(default_conf, contour, numres, mocker)
# Test backtest using offline data (testdata directory)
def test_backtest_ticks(init_backtesting, default_conf, fee, mocker):
def test_backtest_ticks(default_conf, fee, mocker):
mocker.patch('freqtrade.exchange.get_fee', fee)
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
ticks = [1, 5]
fun = _BACKTESTING.populate_buy_trend
fun = Backtesting(default_conf).populate_buy_trend
for _ in ticks:
backtest_conf = _make_backtest_conf(conf=default_conf)
results = _run_backtest_1(fun, backtest_conf)
backtest_conf = _make_backtest_conf(mocker, conf=default_conf)
backtesting = Backtesting(default_conf)
backtesting.populate_buy_trend = fun # Override
backtesting.populate_sell_trend = fun # Override
results = backtesting.backtest(backtest_conf)
assert not results.empty
def test_backtest_clash_buy_sell(init_backtesting, default_conf):
def test_backtest_clash_buy_sell(mocker, default_conf):
# Override the default buy trend function in our default_strategy
def fun(dataframe=None):
buy_value = 1
sell_value = 1
return _trend(dataframe, buy_value, sell_value)
backtest_conf = _make_backtest_conf(conf=default_conf)
results = _run_backtest_1(fun, backtest_conf)
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
backtest_conf = _make_backtest_conf(mocker, conf=default_conf)
backtesting = Backtesting(default_conf)
backtesting.populate_buy_trend = fun # Override
backtesting.populate_sell_trend = fun # Override
results = backtesting.backtest(backtest_conf)
assert results.empty
def test_backtest_only_sell(init_backtesting, default_conf):
def test_backtest_only_sell(mocker, default_conf):
# Override the default buy trend function in our default_strategy
def fun(dataframe=None):
buy_value = 0
sell_value = 1
return _trend(dataframe, buy_value, sell_value)
backtest_conf = _make_backtest_conf(conf=default_conf)
results = _run_backtest_1(fun, backtest_conf)
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
backtest_conf = _make_backtest_conf(mocker, conf=default_conf)
backtesting = Backtesting(default_conf)
backtesting.populate_buy_trend = fun # Override
backtesting.populate_sell_trend = fun # Override
results = backtesting.backtest(backtest_conf)
assert results.empty
def test_backtest_alternate_buy_sell(init_backtesting, default_conf, fee, mocker):
def test_backtest_alternate_buy_sell(default_conf, fee, mocker):
mocker.patch('freqtrade.optimize.backtesting.exchange.get_fee', fee)
backtest_conf = _make_backtest_conf(conf=default_conf, pair='UNITTEST/BTC')
results = _run_backtest_1(_trend_alternate, backtest_conf)
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
backtest_conf = _make_backtest_conf(mocker, conf=default_conf, pair='UNITTEST/BTC')
backtesting = Backtesting(default_conf)
backtesting.populate_buy_trend = _trend_alternate # Override
backtesting.populate_sell_trend = _trend_alternate # Override
results = backtesting.backtest(backtest_conf)
assert len(results) == 3
def test_backtest_record(init_backtesting, default_conf, fee, mocker):
def test_backtest_record(default_conf, fee, mocker):
names = []
records = []
mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
mocker.patch('freqtrade.optimize.backtesting.exchange.get_fee', fee)
mocker.patch(
'freqtrade.optimize.backtesting.file_dump_json',
new=lambda n, r: (names.append(n), records.append(r))
)
backtest_conf = _make_backtest_conf(
mocker,
conf=default_conf,
pair='UNITTEST/BTC',
record="trades"
)
results = _run_backtest_1(_trend_alternate, backtest_conf)
backtesting = Backtesting(default_conf)
backtesting.populate_buy_trend = _trend_alternate # Override
backtesting.populate_sell_trend = _trend_alternate # Override
results = backtesting.backtest(backtest_conf)
assert len(results) == 3
# Assert file_dump_json was only called once
assert names == ['backtest-result.json']
@ -595,7 +594,7 @@ def test_backtest_record(init_backtesting, default_conf, fee, mocker):
assert dur > 0
def test_backtest_start_live(init_backtesting, default_conf, mocker, caplog):
def test_backtest_start_live(default_conf, mocker, caplog):
conf = deepcopy(default_conf)
conf['exchange']['pair_whitelist'] = ['UNITTEST/BTC']
mocker.patch('freqtrade.exchange.get_ticker_history',

View File

@ -16,7 +16,7 @@ import pytest
import requests
from sqlalchemy import create_engine
from freqtrade import DependencyException, OperationalException
from freqtrade import DependencyException, OperationalException, TemporaryError
from freqtrade.freqtradebot import FreqtradeBot
from freqtrade.persistence import Trade
from freqtrade.state import State
@ -451,7 +451,7 @@ def test_process_exchange_failures(default_conf, ticker, markets, mocker) -> Non
validate_pairs=MagicMock(),
get_ticker=ticker,
get_markets=markets,
buy=MagicMock(side_effect=requests.exceptions.RequestException)
buy=MagicMock(side_effect=TemporaryError)
)
sleep_mock = mocker.patch('time.sleep', side_effect=lambda _: None)