freqtrade_origin/tests/freqai/test_freqai_datadrawer.py

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import shutil
from pathlib import Path
from unittest.mock import patch
import pandas as pd
import pytest
from freqtrade.configuration import TimeRange
from freqtrade.data.dataprovider import DataProvider
from freqtrade.exceptions import OperationalException
from freqtrade.freqai.data_kitchen import FreqaiDataKitchen
from tests.conftest import get_patched_exchange
from tests.freqai.conftest import get_patched_freqai_strategy
def test_update_historic_data(mocker, freqai_conf):
freqai_conf['runmode'] = 'backtest'
strategy = get_patched_freqai_strategy(mocker, freqai_conf)
exchange = get_patched_exchange(mocker, freqai_conf)
strategy.dp = DataProvider(freqai_conf, exchange)
freqai = strategy.freqai
freqai.live = True
freqai.dk = FreqaiDataKitchen(freqai_conf)
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freqai.dk.live = True
timerange = TimeRange.parse_timerange("20180110-20180114")
freqai.dd.load_all_pair_histories(timerange, freqai.dk)
historic_candles = len(freqai.dd.historic_data["ADA/BTC"]["5m"])
dp_candles = len(strategy.dp.get_pair_dataframe("ADA/BTC", "5m"))
candle_difference = dp_candles - historic_candles
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freqai.dk.pair = "ADA/BTC"
freqai.dd.update_historic_data(strategy, freqai.dk)
updated_historic_candles = len(freqai.dd.historic_data["ADA/BTC"]["5m"])
assert updated_historic_candles - historic_candles == candle_difference
shutil.rmtree(Path(freqai.dk.full_path))
def test_load_all_pairs_histories(mocker, freqai_conf):
strategy = get_patched_freqai_strategy(mocker, freqai_conf)
exchange = get_patched_exchange(mocker, freqai_conf)
strategy.dp = DataProvider(freqai_conf, exchange)
freqai = strategy.freqai
freqai.live = True
freqai.dk = FreqaiDataKitchen(freqai_conf)
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freqai.dk.live = True
timerange = TimeRange.parse_timerange("20180110-20180114")
freqai.dd.load_all_pair_histories(timerange, freqai.dk)
assert len(freqai.dd.historic_data.keys()) == len(
freqai_conf.get("exchange", {}).get("pair_whitelist")
)
assert len(freqai.dd.historic_data["ADA/BTC"]) == len(
freqai_conf.get("freqai", {}).get("feature_parameters", {}).get("include_timeframes")
)
shutil.rmtree(Path(freqai.dk.full_path))
def test_get_base_and_corr_dataframes(mocker, freqai_conf):
strategy = get_patched_freqai_strategy(mocker, freqai_conf)
exchange = get_patched_exchange(mocker, freqai_conf)
strategy.dp = DataProvider(freqai_conf, exchange)
freqai = strategy.freqai
freqai.live = True
freqai.dk = FreqaiDataKitchen(freqai_conf)
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freqai.dk.live = True
timerange = TimeRange.parse_timerange("20180110-20180114")
freqai.dd.load_all_pair_histories(timerange, freqai.dk)
sub_timerange = TimeRange.parse_timerange("20180111-20180114")
corr_df, base_df = freqai.dd.get_base_and_corr_dataframes(sub_timerange, "LTC/BTC", freqai.dk)
num_tfs = len(
freqai_conf.get("freqai", {}).get("feature_parameters", {}).get("include_timeframes")
)
assert len(base_df.keys()) == num_tfs
assert len(corr_df.keys()) == len(
freqai_conf.get("freqai", {}).get("feature_parameters", {}).get("include_corr_pairlist")
)
assert len(corr_df["ADA/BTC"].keys()) == num_tfs
shutil.rmtree(Path(freqai.dk.full_path))
def test_use_strategy_to_populate_indicators(mocker, freqai_conf):
strategy = get_patched_freqai_strategy(mocker, freqai_conf)
exchange = get_patched_exchange(mocker, freqai_conf)
strategy.dp = DataProvider(freqai_conf, exchange)
strategy.freqai_info = freqai_conf.get("freqai", {})
freqai = strategy.freqai
freqai.live = True
freqai.dk = FreqaiDataKitchen(freqai_conf)
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freqai.dk.live = True
timerange = TimeRange.parse_timerange("20180110-20180114")
freqai.dd.load_all_pair_histories(timerange, freqai.dk)
sub_timerange = TimeRange.parse_timerange("20180111-20180114")
corr_df, base_df = freqai.dd.get_base_and_corr_dataframes(sub_timerange, "LTC/BTC", freqai.dk)
df = freqai.dk.use_strategy_to_populate_indicators(strategy, corr_df, base_df, 'LTC/BTC')
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assert len(df.columns) == 33
shutil.rmtree(Path(freqai.dk.full_path))
def test_get_timerange_from_live_historic_predictions(mocker, freqai_conf):
strategy = get_patched_freqai_strategy(mocker, freqai_conf)
exchange = get_patched_exchange(mocker, freqai_conf)
strategy.dp = DataProvider(freqai_conf, exchange)
freqai = strategy.freqai
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freqai.live = False
freqai.dk = FreqaiDataKitchen(freqai_conf)
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freqai.dk.live = False
timerange = TimeRange.parse_timerange("20180126-20180130")
freqai.dd.load_all_pair_histories(timerange, freqai.dk)
sub_timerange = TimeRange.parse_timerange("20180128-20180130")
_, base_df = freqai.dd.get_base_and_corr_dataframes(sub_timerange, "ADA/BTC", freqai.dk)
base_df["5m"]["date_pred"] = base_df["5m"]["date"]
freqai.dd.historic_predictions = {}
freqai.dd.historic_predictions["ADA/USDT"] = base_df["5m"]
freqai.dd.save_historic_predictions_to_disk()
freqai.dd.save_global_metadata_to_disk({"start_dry_live_date": 1516406400})
timerange = freqai.dd.get_timerange_from_live_historic_predictions()
assert timerange.startts == 1516406400
assert timerange.stopts == 1517356500
def test_get_timerange_from_backtesting_live_df_pred_not_found(mocker, freqai_conf):
strategy = get_patched_freqai_strategy(mocker, freqai_conf)
exchange = get_patched_exchange(mocker, freqai_conf)
strategy.dp = DataProvider(freqai_conf, exchange)
freqai = strategy.freqai
with pytest.raises(
OperationalException,
match=r'Historic predictions not found.*'
):
freqai.dd.get_timerange_from_live_historic_predictions()
def test_set_initial_return_values(mocker, freqai_conf):
"""
Simple test of the set initial return values that ensures
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we are concatenating and ffilling values properly.
"""
strategy = get_patched_freqai_strategy(mocker, freqai_conf)
exchange = get_patched_exchange(mocker, freqai_conf)
strategy.dp = DataProvider(freqai_conf, exchange)
freqai = strategy.freqai
freqai.live = False
freqai.dk = FreqaiDataKitchen(freqai_conf)
# Setup
pair = "BTC/USD"
end_x = "2023-08-31"
start_x_plus_1 = "2023-08-30"
end_x_plus_5 = "2023-09-03"
historic_data = {
'date_pred': pd.date_range(end=end_x, periods=5),
'value': range(1, 6)
}
new_data = {
'date': pd.date_range(start=start_x_plus_1, end=end_x_plus_5),
'value': range(6, 11)
}
freqai.dd.historic_predictions[pair] = pd.DataFrame(historic_data)
new_pred_df = pd.DataFrame(new_data)
dataframe = pd.DataFrame(new_data)
# Action
with patch('logging.Logger.warning') as mock_logger_warning:
freqai.dd.set_initial_return_values(pair, new_pred_df, dataframe)
# Assertions
hist_pred_df = freqai.dd.historic_predictions[pair]
model_return_df = freqai.dd.model_return_values[pair]
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assert hist_pred_df['date_pred'].iloc[-1] == pd.Timestamp(end_x_plus_5)
assert 'date_pred' in hist_pred_df.columns
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assert hist_pred_df.shape[0] == 8
# compare values in model_return_df with hist_pred_df
assert (model_return_df["value"].values ==
hist_pred_df.tail(len(dataframe))["value"].values).all()
assert model_return_df.shape[0] == len(dataframe)
# Ensure logger error is not called
mock_logger_warning.assert_not_called()
def test_set_initial_return_values_warning(mocker, freqai_conf):
"""
Simple test of set_initial_return_values that hits the warning
associated with leaving a FreqAI bot offline so long that the
exchange candles have no common date with the historic predictions
"""
strategy = get_patched_freqai_strategy(mocker, freqai_conf)
exchange = get_patched_exchange(mocker, freqai_conf)
strategy.dp = DataProvider(freqai_conf, exchange)
freqai = strategy.freqai
freqai.live = False
freqai.dk = FreqaiDataKitchen(freqai_conf)
# Setup
pair = "BTC/USD"
end_x = "2023-08-31"
start_x_plus_1 = "2023-09-01"
end_x_plus_5 = "2023-09-05"
historic_data = {
'date_pred': pd.date_range(end=end_x, periods=5),
'value': range(1, 6)
}
new_data = {
'date': pd.date_range(start=start_x_plus_1, end=end_x_plus_5),
'value': range(6, 11)
}
freqai.dd.historic_predictions[pair] = pd.DataFrame(historic_data)
new_pred_df = pd.DataFrame(new_data)
dataframe = pd.DataFrame(new_data)
# Action
with patch('logging.Logger.warning') as mock_logger_warning:
freqai.dd.set_initial_return_values(pair, new_pred_df, dataframe)
# Assertions
hist_pred_df = freqai.dd.historic_predictions[pair]
model_return_df = freqai.dd.model_return_values[pair]
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assert hist_pred_df['date_pred'].iloc[-1] == pd.Timestamp(end_x_plus_5)
assert 'date_pred' in hist_pred_df.columns
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assert hist_pred_df.shape[0] == 10
# compare values in model_return_df with hist_pred_df
assert (model_return_df["value"].values == hist_pred_df.tail(
len(dataframe))["value"].values).all()
assert model_return_df.shape[0] == len(dataframe)
# Ensure logger error is not called
mock_logger_warning.assert_called()