freqtrade_origin/tests/exchange_online/test_ccxt_ws_compat.py
2024-05-31 06:40:14 +02:00

65 lines
2.2 KiB
Python

"""
Tests in this file do NOT mock network calls, so they are expected to be fluky at times.
However, these tests aim to test ccxt compatibility, specifically regarding websockets.
"""
import logging
from datetime import timedelta
from time import sleep
import pytest
from freqtrade.enums import CandleType
from freqtrade.exchange.exchange_utils import timeframe_to_prev_date
from freqtrade.loggers.set_log_levels import set_loggers
from freqtrade.util.datetime_helpers import dt_now
from tests.conftest import log_has_re
from tests.exchange_online.conftest import EXCHANGE_WS_FIXTURE_TYPE
@pytest.mark.longrun
class TestCCXTExchangeWs:
def test_ccxt_ohlcv(self, exchange_ws: EXCHANGE_WS_FIXTURE_TYPE, caplog, mocker):
exch, exchangename, pair = exchange_ws
assert exch._ws_async is not None
timeframe = '1m'
pair_tf = (pair, timeframe, CandleType.SPOT)
m_hist = mocker.spy(exch, '_async_get_historic_ohlcv')
m_cand = mocker.spy(exch, '_async_get_candle_history')
res = exch.refresh_latest_ohlcv([pair_tf])
assert m_cand.call_count == 1
# Currently open candle
next_candle = timeframe_to_prev_date(timeframe, dt_now())
now = next_candle - timedelta(seconds=1)
# Currently closed candle
curr_candle = timeframe_to_prev_date(timeframe, now)
assert pair_tf in exch._exchange_ws._klines_watching
assert pair_tf in exch._exchange_ws._klines_scheduled
assert res[pair_tf] is not None
df1 = res[pair_tf]
caplog.set_level(logging.DEBUG)
set_loggers(1)
assert df1.iloc[-1]['date'] == curr_candle
# Wait until the next candle (might be up to 1 minute).
while True:
caplog.clear()
res = exch.refresh_latest_ohlcv([pair_tf])
df2 = res[pair_tf]
assert df2 is not None
if df2.iloc[-1]['date'] == next_candle:
break
assert df2.iloc[-1]['date'] == curr_candle
sleep(1)
assert m_hist.call_count == 0
# shouldn't have tried fetch_ohlcv a second time.
assert m_cand.call_count == 1
assert log_has_re(r"watch result.*", caplog)