stable/tests/data/test_dataprovider.py

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from datetime import datetime, timezone
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from unittest.mock import MagicMock
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import pytest
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from pandas import DataFrame
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from freqtrade.data.dataprovider import DataProvider
from freqtrade.exceptions import ExchangeError, OperationalException
from freqtrade.plugins.pairlistmanager import PairListManager
from freqtrade.state import RunMode
from tests.conftest import get_patched_exchange
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def test_ohlcv(mocker, default_conf, ohlcv_history):
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default_conf["runmode"] = RunMode.DRY_RUN
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timeframe = default_conf["timeframe"]
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exchange = get_patched_exchange(mocker, default_conf)
exchange._klines[("XRP/BTC", timeframe)] = ohlcv_history
exchange._klines[("UNITTEST/BTC", timeframe)] = ohlcv_history
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dp = DataProvider(default_conf, exchange)
assert dp.runmode == RunMode.DRY_RUN
assert ohlcv_history.equals(dp.ohlcv("UNITTEST/BTC", timeframe))
assert isinstance(dp.ohlcv("UNITTEST/BTC", timeframe), DataFrame)
assert dp.ohlcv("UNITTEST/BTC", timeframe) is not ohlcv_history
assert dp.ohlcv("UNITTEST/BTC", timeframe, copy=False) is ohlcv_history
assert not dp.ohlcv("UNITTEST/BTC", timeframe).empty
assert dp.ohlcv("NONESENSE/AAA", timeframe).empty
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# Test with and without parameter
assert dp.ohlcv("UNITTEST/BTC", timeframe).equals(dp.ohlcv("UNITTEST/BTC"))
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default_conf["runmode"] = RunMode.LIVE
dp = DataProvider(default_conf, exchange)
assert dp.runmode == RunMode.LIVE
assert isinstance(dp.ohlcv("UNITTEST/BTC", timeframe), DataFrame)
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default_conf["runmode"] = RunMode.BACKTEST
dp = DataProvider(default_conf, exchange)
assert dp.runmode == RunMode.BACKTEST
assert dp.ohlcv("UNITTEST/BTC", timeframe).empty
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def test_historic_ohlcv(mocker, default_conf, ohlcv_history):
historymock = MagicMock(return_value=ohlcv_history)
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mocker.patch("freqtrade.data.dataprovider.load_pair_history", historymock)
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dp = DataProvider(default_conf, None)
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data = dp.historic_ohlcv("UNITTEST/BTC", "5m")
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assert isinstance(data, DataFrame)
assert historymock.call_count == 1
assert historymock.call_args_list[0][1]["timeframe"] == "5m"
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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()
# Swiching 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()
def test_get_pair_dataframe(mocker, default_conf, ohlcv_history):
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default_conf["runmode"] = RunMode.DRY_RUN
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timeframe = default_conf["timeframe"]
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exchange = get_patched_exchange(mocker, default_conf)
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exchange._klines[("XRP/BTC", timeframe)] = ohlcv_history
exchange._klines[("UNITTEST/BTC", timeframe)] = ohlcv_history
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dp = DataProvider(default_conf, exchange)
assert dp.runmode == RunMode.DRY_RUN
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assert ohlcv_history.equals(dp.get_pair_dataframe("UNITTEST/BTC", timeframe))
assert isinstance(dp.get_pair_dataframe("UNITTEST/BTC", timeframe), DataFrame)
assert dp.get_pair_dataframe("UNITTEST/BTC", timeframe) is not ohlcv_history
assert not dp.get_pair_dataframe("UNITTEST/BTC", timeframe).empty
assert dp.get_pair_dataframe("NONESENSE/AAA", timeframe).empty
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# Test with and without parameter
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assert dp.get_pair_dataframe("UNITTEST/BTC", timeframe)\
.equals(dp.get_pair_dataframe("UNITTEST/BTC"))
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default_conf["runmode"] = RunMode.LIVE
dp = DataProvider(default_conf, exchange)
assert dp.runmode == RunMode.LIVE
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assert isinstance(dp.get_pair_dataframe("UNITTEST/BTC", timeframe), DataFrame)
assert dp.get_pair_dataframe("NONESENSE/AAA", timeframe).empty
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historymock = MagicMock(return_value=ohlcv_history)
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mocker.patch("freqtrade.data.dataprovider.load_pair_history", historymock)
default_conf["runmode"] = RunMode.BACKTEST
dp = DataProvider(default_conf, exchange)
assert dp.runmode == RunMode.BACKTEST
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assert isinstance(dp.get_pair_dataframe("UNITTEST/BTC", timeframe), DataFrame)
# assert dp.get_pair_dataframe("NONESENSE/AAA", timeframe).empty
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def test_available_pairs(mocker, default_conf, ohlcv_history):
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exchange = get_patched_exchange(mocker, default_conf)
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timeframe = default_conf["timeframe"]
exchange._klines[("XRP/BTC", timeframe)] = ohlcv_history
exchange._klines[("UNITTEST/BTC", timeframe)] = ohlcv_history
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dp = DataProvider(default_conf, exchange)
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assert len(dp.available_pairs) == 2
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assert dp.available_pairs == [("XRP/BTC", timeframe), ("UNITTEST/BTC", timeframe), ]
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def test_refresh(mocker, default_conf, ohlcv_history):
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refresh_mock = MagicMock()
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mocker.patch("freqtrade.exchange.Exchange.refresh_latest_ohlcv", refresh_mock)
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exchange = get_patched_exchange(mocker, default_conf, id="binance")
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timeframe = default_conf["timeframe"]
pairs = [("XRP/BTC", timeframe), ("UNITTEST/BTC", timeframe)]
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pairs_non_trad = [("ETH/USDT", timeframe), ("BTC/TUSD", "1h")]
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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
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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)
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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'))
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mocker.patch("freqtrade.exchange.Exchange.fetch_ticker", ticker_mock)
exchange = get_patched_exchange(mocker, default_conf)
dp = DataProvider(default_conf, exchange)
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res = dp.ticker('UNITTEST/BTC')
assert res == {}
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def test_current_whitelist(mocker, default_conf, tickers):
# patch default conf to volumepairlist
default_conf['pairlists'][0] = {'method': 'VolumePairList', "number_assets": 5}
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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.
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pairlist.refresh_pairlist()
assert dp.current_whitelist() == pairlist._whitelist
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# 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()
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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)
dp._set_cached_df("UNITTEST/BTC", timeframe, ohlcv_history)
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)
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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)