stable/tests/data/test_dataprovider.py
2022-12-12 22:47:35 -07:00

491 lines
18 KiB
Python

from datetime import datetime, timezone
from unittest.mock import MagicMock
import pytest
from pandas import DataFrame, Timestamp
from freqtrade.data.dataprovider import DataProvider
from freqtrade.enums import CandleType, RunMode
from freqtrade.exceptions import ExchangeError, OperationalException
from freqtrade.plugins.pairlistmanager import PairListManager
from tests.conftest import generate_test_data, 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)
candletype = CandleType.from_string(candle_type)
exchange._klines[("XRP/BTC", timeframe, candletype)] = ohlcv_history
exchange._klines[("UNITTEST/BTC", timeframe, candletype)] = ohlcv_history
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)
candletype = CandleType.from_string(candle_type)
exchange._klines[("XRP/BTC", timeframe, candletype)] = ohlcv_history
exchange._klines[("UNITTEST/BTC", timeframe, candletype)] = ohlcv_history
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_producer_pairs(mocker, default_conf, ohlcv_history):
dataprovider = DataProvider(default_conf, None)
producer = "default"
whitelist = ["XRP/BTC", "ETH/BTC"]
assert len(dataprovider.get_producer_pairs(producer)) == 0
dataprovider._set_producer_pairs(whitelist, producer)
assert len(dataprovider.get_producer_pairs(producer)) == 2
new_whitelist = ["BTC/USDT"]
dataprovider._set_producer_pairs(new_whitelist, producer)
assert dataprovider.get_producer_pairs(producer) == new_whitelist
assert dataprovider.get_producer_pairs("bad") == []
def test_get_producer_df(mocker, default_conf, ohlcv_history):
dataprovider = DataProvider(default_conf, None)
pair = 'BTC/USDT'
timeframe = default_conf['timeframe']
candle_type = CandleType.SPOT
empty_la = datetime.fromtimestamp(0, tz=timezone.utc)
now = datetime.now(timezone.utc)
# no data has been added, any request should return an empty dataframe
dataframe, la = dataprovider.get_producer_df(pair, timeframe, candle_type)
assert dataframe.empty
assert la == empty_la
# the data is added, should return that added dataframe
dataprovider._add_external_df(pair, ohlcv_history, now, timeframe, candle_type)
dataframe, la = dataprovider.get_producer_df(pair, timeframe, candle_type)
assert len(dataframe) > 0
assert la > empty_la
# no data on this producer, should return empty dataframe
dataframe, la = dataprovider.get_producer_df(pair, producer_name='bad')
assert dataframe.empty
assert la == empty_la
# non existent timeframe, empty dataframe
datframe, la = dataprovider.get_producer_df(pair, timeframe='1h')
assert dataframe.empty
assert la == empty_la
def test_emit_df(mocker, default_conf, ohlcv_history):
mocker.patch('freqtrade.rpc.rpc_manager.RPCManager.__init__', MagicMock())
rpc_mock = mocker.patch('freqtrade.rpc.rpc_manager.RPCManager', MagicMock())
send_mock = mocker.patch('freqtrade.rpc.rpc_manager.RPCManager.send_msg', MagicMock())
dataprovider = DataProvider(default_conf, exchange=None, rpc=rpc_mock)
dataprovider_no_rpc = DataProvider(default_conf, exchange=None)
pair = "BTC/USDT"
# No emit yet
assert send_mock.call_count == 0
# Rpc is added, we call emit, should call send_msg
dataprovider._emit_df(pair, ohlcv_history, False)
assert send_mock.call_count == 1
send_mock.reset_mock()
dataprovider._emit_df(pair, ohlcv_history, True)
assert send_mock.call_count == 2
send_mock.reset_mock()
# No rpc added, emit called, should not call send_msg
dataprovider_no_rpc._emit_df(pair, ohlcv_history, False)
assert send_mock.call_count == 0
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()
def test_dp_send_msg(default_conf):
default_conf["runmode"] = RunMode.DRY_RUN
default_conf["timeframe"] = '1h'
dp = DataProvider(default_conf, None)
msg = 'Test message'
dp.send_msg(msg)
assert msg in dp._msg_queue
dp._msg_queue.pop()
assert msg not in dp._msg_queue
# Message is not resent due to caching
dp.send_msg(msg)
assert msg not in dp._msg_queue
dp.send_msg(msg, always_send=True)
assert msg in dp._msg_queue
default_conf["runmode"] = RunMode.BACKTEST
dp = DataProvider(default_conf, None)
dp.send_msg(msg, always_send=True)
assert msg not in dp._msg_queue
def test_dp__add_external_candle(default_conf_usdt):
timeframe = '1h'
default_conf_usdt["timeframe"] = timeframe
dp = DataProvider(default_conf_usdt, None)
df = generate_test_data(timeframe, 24, '2022-01-01 00:00:00+00:00')
last_analyzed = datetime.now(timezone.utc)
res = dp._add_external_candle('ETH/USDT', df, last_analyzed, timeframe, CandleType.SPOT)
assert res[0] is False
# Why 1000 ??
assert res[1] == 1000
dp._add_external_df('ETH/USDT', df, last_analyzed, timeframe, CandleType.SPOT)
# BTC is not stored yet
res = dp._add_external_candle('BTC/USDT', df, last_analyzed, timeframe, CandleType.SPOT)
assert res[0] is False
df, _ = dp.get_producer_df('ETH/USDT', timeframe, CandleType.SPOT)
assert len(df) == 24
# Add the same dataframe again - dataframe size shall not change.
res = dp._add_external_candle('ETH/USDT', df, last_analyzed, timeframe, CandleType.SPOT)
assert res[0] is True
assert res[1] == 0
df, _ = dp.get_producer_df('ETH/USDT', timeframe, CandleType.SPOT)
assert len(df) == 24
# Add a new day.
df2 = generate_test_data(timeframe, 24, '2022-01-02 00:00:00+00:00')
res = dp._add_external_candle('ETH/USDT', df2, last_analyzed, timeframe, CandleType.SPOT)
assert res[0] is True
assert res[1] == 0
df, _ = dp.get_producer_df('ETH/USDT', timeframe, CandleType.SPOT)
assert len(df) == 48
# Add a dataframe with a 12 hour offset - so 12 candles are overlapping, and 12 valid.
df3 = generate_test_data(timeframe, 24, '2022-01-02 12:00:00+00:00')
res = dp._add_external_candle('ETH/USDT', df3, last_analyzed, timeframe, CandleType.SPOT)
assert res[0] is True
assert res[1] == 0
df, _ = dp.get_producer_df('ETH/USDT', timeframe, CandleType.SPOT)
# New length = 48 + 12 (since we have a 12 hour offset).
assert len(df) == 60
assert df.iloc[-1]['date'] == df3.iloc[-1]['date']
assert df.iloc[-1]['date'] == Timestamp('2022-01-03 11:00:00+00:00')
# Generate 1 new candle
df4 = generate_test_data(timeframe, 1, '2022-01-03 12:00:00+00:00')
res = dp._add_external_candle('ETH/USDT', df4, last_analyzed, timeframe, CandleType.SPOT)
# assert res[0] is True
# assert res[1] == 0
df, _ = dp.get_producer_df('ETH/USDT', timeframe, CandleType.SPOT)
# New length = 61 + 1
assert len(df) == 61
assert df.iloc[-2]['date'] == Timestamp('2022-01-03 11:00:00+00:00')
assert df.iloc[-1]['date'] == Timestamp('2022-01-03 12:00:00+00:00')
# Gap in the data ...
df4 = generate_test_data(timeframe, 1, '2022-01-05 00:00:00+00:00')
res = dp._add_external_candle('ETH/USDT', df4, last_analyzed, timeframe, CandleType.SPOT)
assert res[0] is False
# 36 hours - from 2022-01-03 12:00:00+00:00 to 2022-01-05 00:00:00+00:00
assert res[1] == 36
df, _ = dp.get_producer_df('ETH/USDT', timeframe, CandleType.SPOT)
# New length = 61 + 1
assert len(df) == 61
# Empty dataframe
df4 = generate_test_data(timeframe, 0, '2022-01-05 00:00:00+00:00')
res = dp._add_external_candle('ETH/USDT', df4, last_analyzed, timeframe, CandleType.SPOT)
assert res[0] is False
# 36 hours - from 2022-01-03 12:00:00+00:00 to 2022-01-05 00:00:00+00:00
assert res[1] == 0