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ba1091b9e4
freqtrade_origin/tests/data/test_dataprovider.py
Matthias ba1091b9e4 Improve dataprovider test
2021-12-07 07:11:36 +01:00

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from datetime import datetime, timezone
from unittest.mock import MagicMock
import pytest
from pandas import DataFrame
from freqtrade.data.dataprovider import DataProvider
from freqtrade.enums import RunMode
from freqtrade.enums.candletype import CandleType
from freqtrade.exceptions import ExchangeError, OperationalException
from freqtrade.plugins.pairlistmanager import PairListManager
from tests.conftest import get_patched_exchange
@pytest.mark.parametrize('candle_type', [
'mark',
'',
])
def test_dp_ohlcv(mocker, default_conf, ohlcv_history, candle_type):
default_conf["runmode"] = RunMode.DRY_RUN
timeframe = default_conf["timeframe"]
exchange = get_patched_exchange(mocker, default_conf)
exchange._klines[("XRP/BTC", timeframe, candle_type)] = ohlcv_history
exchange._klines[("UNITTEST/BTC", timeframe, candle_type)] = ohlcv_history
candletype = CandleType.from_string(candle_type)
dp = DataProvider(default_conf, exchange)
assert dp.runmode == RunMode.DRY_RUN
assert ohlcv_history.equals(dp.ohlcv("UNITTEST/BTC", timeframe, candle_type=candletype))
assert isinstance(dp.ohlcv("UNITTEST/BTC", timeframe, candle_type=candletype), DataFrame)
assert dp.ohlcv("UNITTEST/BTC", timeframe, candle_type=candletype) is not ohlcv_history
assert dp.ohlcv("UNITTEST/BTC", timeframe, copy=False, candle_type=candletype) is ohlcv_history
assert not dp.ohlcv("UNITTEST/BTC", timeframe, candle_type=candletype).empty
assert dp.ohlcv("NONESENSE/AAA", timeframe, candle_type=candletype).empty
# Test with and without parameter
assert dp.ohlcv(
"UNITTEST/BTC",
timeframe,
candle_type=candletype
).equals(dp.ohlcv("UNITTEST/BTC", candle_type=candle_type))
default_conf["runmode"] = RunMode.LIVE
dp = DataProvider(default_conf, exchange)
assert dp.runmode == RunMode.LIVE
assert isinstance(dp.ohlcv("UNITTEST/BTC", timeframe, candle_type=candle_type), DataFrame)
default_conf["runmode"] = RunMode.BACKTEST
dp = DataProvider(default_conf, exchange)
assert dp.runmode == RunMode.BACKTEST
assert dp.ohlcv("UNITTEST/BTC", timeframe, candle_type=candle_type).empty
def test_historic_ohlcv(mocker, default_conf, ohlcv_history):
historymock = MagicMock(return_value=ohlcv_history)
mocker.patch("freqtrade.data.dataprovider.load_pair_history", historymock)
dp = DataProvider(default_conf, None)
data = dp.historic_ohlcv("UNITTEST/BTC", "5m")
assert isinstance(data, DataFrame)
assert historymock.call_count == 1
assert historymock.call_args_list[0][1]["timeframe"] == "5m"
def test_historic_ohlcv_dataformat(mocker, default_conf, ohlcv_history):
hdf5loadmock = MagicMock(return_value=ohlcv_history)
jsonloadmock = MagicMock(return_value=ohlcv_history)
mocker.patch("freqtrade.data.history.hdf5datahandler.HDF5DataHandler._ohlcv_load", hdf5loadmock)
mocker.patch("freqtrade.data.history.jsondatahandler.JsonDataHandler._ohlcv_load", jsonloadmock)
default_conf["runmode"] = RunMode.BACKTEST
exchange = get_patched_exchange(mocker, default_conf)
dp = DataProvider(default_conf, exchange)
data = dp.historic_ohlcv("UNITTEST/BTC", "5m")
assert isinstance(data, DataFrame)
hdf5loadmock.assert_not_called()
jsonloadmock.assert_called_once()
# Switching to dataformat hdf5
hdf5loadmock.reset_mock()
jsonloadmock.reset_mock()
default_conf["dataformat_ohlcv"] = "hdf5"
dp = DataProvider(default_conf, exchange)
data = dp.historic_ohlcv("UNITTEST/BTC", "5m")
assert isinstance(data, DataFrame)
hdf5loadmock.assert_called_once()
jsonloadmock.assert_not_called()
@pytest.mark.parametrize('candle_type', [
'mark',
'futures',
'',
])
def test_get_pair_dataframe(mocker, default_conf, ohlcv_history, candle_type):
default_conf["runmode"] = RunMode.DRY_RUN
timeframe = default_conf["timeframe"]
exchange = get_patched_exchange(mocker, default_conf)
exchange._klines[("XRP/BTC", timeframe, candle_type)] = ohlcv_history
exchange._klines[("UNITTEST/BTC", timeframe, candle_type)] = ohlcv_history
candletype = CandleType.from_string(candle_type)
dp = DataProvider(default_conf, exchange)
assert dp.runmode == RunMode.DRY_RUN
assert ohlcv_history.equals(dp.get_pair_dataframe(
"UNITTEST/BTC", timeframe, candle_type=candle_type))
assert ohlcv_history.equals(dp.get_pair_dataframe(
"UNITTEST/BTC", timeframe, candle_type=candletype))
assert isinstance(dp.get_pair_dataframe(
"UNITTEST/BTC", timeframe, candle_type=candle_type), DataFrame)
assert dp.get_pair_dataframe("UNITTEST/BTC", timeframe,
candle_type=candle_type) is not ohlcv_history
assert not dp.get_pair_dataframe("UNITTEST/BTC", timeframe, candle_type=candle_type).empty
assert dp.get_pair_dataframe("NONESENSE/AAA", timeframe, candle_type=candle_type).empty
# Test with and without parameter
assert dp.get_pair_dataframe("UNITTEST/BTC", timeframe, candle_type=candle_type)\
.equals(dp.get_pair_dataframe("UNITTEST/BTC", candle_type=candle_type))
default_conf["runmode"] = RunMode.LIVE
dp = DataProvider(default_conf, exchange)
assert dp.runmode == RunMode.LIVE
assert isinstance(dp.get_pair_dataframe(
"UNITTEST/BTC", timeframe, candle_type=candle_type), DataFrame)
assert dp.get_pair_dataframe("NONESENSE/AAA", timeframe, candle_type=candle_type).empty
historymock = MagicMock(return_value=ohlcv_history)
mocker.patch("freqtrade.data.dataprovider.load_pair_history", historymock)
default_conf["runmode"] = RunMode.BACKTEST
dp = DataProvider(default_conf, exchange)
assert dp.runmode == RunMode.BACKTEST
assert isinstance(dp.get_pair_dataframe(
"UNITTEST/BTC", timeframe, candle_type=candle_type), DataFrame)
# assert dp.get_pair_dataframe("NONESENSE/AAA", timeframe).empty
def test_available_pairs(mocker, default_conf, ohlcv_history):
exchange = get_patched_exchange(mocker, default_conf)
timeframe = default_conf["timeframe"]
exchange._klines[("XRP/BTC", timeframe)] = ohlcv_history
exchange._klines[("UNITTEST/BTC", timeframe)] = ohlcv_history
dp = DataProvider(default_conf, exchange)
assert len(dp.available_pairs) == 2
assert dp.available_pairs == [("XRP/BTC", timeframe), ("UNITTEST/BTC", timeframe), ]
def test_refresh(mocker, default_conf, ohlcv_history):
refresh_mock = MagicMock()
mocker.patch("freqtrade.exchange.Exchange.refresh_latest_ohlcv", refresh_mock)
exchange = get_patched_exchange(mocker, default_conf, id="binance")
timeframe = default_conf["timeframe"]
pairs = [("XRP/BTC", timeframe), ("UNITTEST/BTC", timeframe)]
pairs_non_trad = [("ETH/USDT", timeframe), ("BTC/TUSD", "1h")]
dp = DataProvider(default_conf, exchange)
dp.refresh(pairs)
assert refresh_mock.call_count == 1
assert len(refresh_mock.call_args[0]) == 1
assert len(refresh_mock.call_args[0][0]) == len(pairs)
assert refresh_mock.call_args[0][0] == pairs
refresh_mock.reset_mock()
dp.refresh(pairs, pairs_non_trad)
assert refresh_mock.call_count == 1
assert len(refresh_mock.call_args[0]) == 1
assert len(refresh_mock.call_args[0][0]) == len(pairs) + len(pairs_non_trad)
assert refresh_mock.call_args[0][0] == pairs + pairs_non_trad
def test_orderbook(mocker, default_conf, order_book_l2):
api_mock = MagicMock()
api_mock.fetch_l2_order_book = order_book_l2
exchange = get_patched_exchange(mocker, default_conf, api_mock=api_mock)
dp = DataProvider(default_conf, exchange)
res = dp.orderbook('ETH/BTC', 5)
assert order_book_l2.call_count == 1
assert order_book_l2.call_args_list[0][0][0] == 'ETH/BTC'
assert order_book_l2.call_args_list[0][0][1] >= 5
assert type(res) is dict
assert 'bids' in res
assert 'asks' in res
def test_market(mocker, default_conf, markets):
api_mock = MagicMock()
api_mock.markets = markets
exchange = get_patched_exchange(mocker, default_conf, api_mock=api_mock)
dp = DataProvider(default_conf, exchange)
res = dp.market('ETH/BTC')
assert type(res) is dict
assert 'symbol' in res
assert res['symbol'] == 'ETH/BTC'
res = dp.market('UNITTEST/BTC')
assert res is None
def test_ticker(mocker, default_conf, tickers):
ticker_mock = MagicMock(return_value=tickers()['ETH/BTC'])
mocker.patch("freqtrade.exchange.Exchange.fetch_ticker", ticker_mock)
exchange = get_patched_exchange(mocker, default_conf)
dp = DataProvider(default_conf, exchange)
res = dp.ticker('ETH/BTC')
assert type(res) is dict
assert 'symbol' in res
assert res['symbol'] == 'ETH/BTC'
ticker_mock = MagicMock(side_effect=ExchangeError('Pair not found'))
mocker.patch("freqtrade.exchange.Exchange.fetch_ticker", ticker_mock)
exchange = get_patched_exchange(mocker, default_conf)
dp = DataProvider(default_conf, exchange)
res = dp.ticker('UNITTEST/BTC')
assert res == {}
def test_current_whitelist(mocker, default_conf, tickers):
# patch default conf to volumepairlist
default_conf['pairlists'][0] = {'method': 'VolumePairList', "number_assets": 5}
mocker.patch.multiple('freqtrade.exchange.Exchange',
exchange_has=MagicMock(return_value=True),
get_tickers=tickers)
exchange = get_patched_exchange(mocker, default_conf)
pairlist = PairListManager(exchange, default_conf)
dp = DataProvider(default_conf, exchange, pairlist)
# Simulate volumepairs from exchange.
pairlist.refresh_pairlist()
assert dp.current_whitelist() == pairlist._whitelist
# The identity of the 2 lists should not be identical, but a copy
assert dp.current_whitelist() is not pairlist._whitelist
with pytest.raises(OperationalException):
dp = DataProvider(default_conf, exchange)
dp.current_whitelist()
def test_get_analyzed_dataframe(mocker, default_conf, ohlcv_history):
default_conf["runmode"] = RunMode.DRY_RUN
timeframe = default_conf["timeframe"]
exchange = get_patched_exchange(mocker, default_conf)
dp = DataProvider(default_conf, exchange)
dp._set_cached_df("XRP/BTC", timeframe, ohlcv_history, CandleType.SPOT)
dp._set_cached_df("UNITTEST/BTC", timeframe, ohlcv_history, CandleType.SPOT)
assert dp.runmode == RunMode.DRY_RUN
dataframe, time = dp.get_analyzed_dataframe("UNITTEST/BTC", timeframe)
assert ohlcv_history.equals(dataframe)
assert isinstance(time, datetime)
dataframe, time = dp.get_analyzed_dataframe("XRP/BTC", timeframe)
assert ohlcv_history.equals(dataframe)
assert isinstance(time, datetime)
dataframe, time = dp.get_analyzed_dataframe("NOTHING/BTC", timeframe)
assert dataframe.empty
assert isinstance(time, datetime)
assert time == datetime(1970, 1, 1, tzinfo=timezone.utc)
# Test backtest mode
default_conf["runmode"] = RunMode.BACKTEST
dp._set_dataframe_max_index(1)
dataframe, time = dp.get_analyzed_dataframe("XRP/BTC", timeframe)
assert len(dataframe) == 1
dp._set_dataframe_max_index(2)
dataframe, time = dp.get_analyzed_dataframe("XRP/BTC", timeframe)
assert len(dataframe) == 2
dp._set_dataframe_max_index(3)
dataframe, time = dp.get_analyzed_dataframe("XRP/BTC", timeframe)
assert len(dataframe) == 3
dp._set_dataframe_max_index(500)
dataframe, time = dp.get_analyzed_dataframe("XRP/BTC", timeframe)
assert len(dataframe) == len(ohlcv_history)
def test_no_exchange_mode(default_conf):
dp = DataProvider(default_conf, None)
message = "Exchange is not available to DataProvider."
with pytest.raises(OperationalException, match=message):
dp.refresh([()])
with pytest.raises(OperationalException, match=message):
dp.ohlcv('XRP/USDT', '5m', '')
with pytest.raises(OperationalException, match=message):
dp.market('XRP/USDT')
with pytest.raises(OperationalException, match=message):
dp.ticker('XRP/USDT')
with pytest.raises(OperationalException, match=message):
dp.orderbook('XRP/USDT', 20)
with pytest.raises(OperationalException, match=message):
dp.available_pairs()
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