mirror of
https://github.com/freqtrade/freqtrade.git
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591 lines
21 KiB
Python
591 lines
21 KiB
Python
# pragma pylint: disable=missing-docstring, protected-access, C0103
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import re
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from datetime import datetime, timezone
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from pathlib import Path
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from unittest.mock import MagicMock
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import pytest
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from pandas import DataFrame, Timestamp
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from pandas.testing import assert_frame_equal
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from freqtrade.configuration import TimeRange
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from freqtrade.constants import AVAILABLE_DATAHANDLERS
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from freqtrade.data.history.datahandlers.featherdatahandler import FeatherDataHandler
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from freqtrade.data.history.datahandlers.hdf5datahandler import HDF5DataHandler
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from freqtrade.data.history.datahandlers.idatahandler import (
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IDataHandler,
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get_datahandler,
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get_datahandlerclass,
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)
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from freqtrade.data.history.datahandlers.jsondatahandler import JsonDataHandler, JsonGzDataHandler
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from freqtrade.data.history.datahandlers.parquetdatahandler import ParquetDataHandler
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from freqtrade.enums import CandleType, TradingMode
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from tests.conftest import log_has, log_has_re
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def test_datahandler_ohlcv_get_pairs(testdatadir):
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pairs = FeatherDataHandler.ohlcv_get_pairs(testdatadir, "5m", candle_type=CandleType.SPOT)
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# Convert to set to avoid failures due to sorting
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assert set(pairs) == {
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"UNITTEST/BTC",
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"XLM/BTC",
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"ETH/BTC",
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"TRX/BTC",
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"LTC/BTC",
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"XMR/BTC",
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"ZEC/BTC",
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"ADA/BTC",
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"ETC/BTC",
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"NXT/BTC",
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"DASH/BTC",
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"XRP/ETH",
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}
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pairs = JsonGzDataHandler.ohlcv_get_pairs(testdatadir, "8m", candle_type=CandleType.SPOT)
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assert set(pairs) == {"UNITTEST/BTC"}
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pairs = HDF5DataHandler.ohlcv_get_pairs(testdatadir, "5m", candle_type=CandleType.SPOT)
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assert set(pairs) == {"UNITTEST/BTC"}
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pairs = FeatherDataHandler.ohlcv_get_pairs(testdatadir, "1h", candle_type=CandleType.MARK)
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assert set(pairs) == {"UNITTEST/USDT:USDT", "XRP/USDT:USDT"}
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pairs = JsonGzDataHandler.ohlcv_get_pairs(testdatadir, "1h", candle_type=CandleType.FUTURES)
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assert set(pairs) == {"XRP/USDT:USDT"}
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pairs = HDF5DataHandler.ohlcv_get_pairs(testdatadir, "1h", candle_type=CandleType.MARK)
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assert set(pairs) == {"UNITTEST/USDT:USDT"}
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@pytest.mark.parametrize(
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"filename,pair,timeframe,candletype",
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[
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("XMR_BTC-5m.json", "XMR_BTC", "5m", ""),
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("XMR_USDT-1h.h5", "XMR_USDT", "1h", ""),
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("BTC-PERP-1h.h5", "BTC-PERP", "1h", ""),
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("BTC_USDT-2h.jsongz", "BTC_USDT", "2h", ""),
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("BTC_USDT-2h-mark.jsongz", "BTC_USDT", "2h", "mark"),
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("XMR_USDT-1h-mark.h5", "XMR_USDT", "1h", "mark"),
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("XMR_USDT-1h-random.h5", "XMR_USDT", "1h", "random"),
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("BTC-PERP-1h-index.h5", "BTC-PERP", "1h", "index"),
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("XMR_USDT_USDT-1h-mark.h5", "XMR_USDT_USDT", "1h", "mark"),
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],
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)
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def test_datahandler_ohlcv_regex(filename, pair, timeframe, candletype):
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regex = JsonDataHandler._OHLCV_REGEX
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match = re.search(regex, filename)
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assert len(match.groups()) > 1
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assert match[1] == pair
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assert match[2] == timeframe
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assert match[3] == candletype
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@pytest.mark.parametrize(
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"pair,expected",
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[
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("XMR_USDT", "XMR/USDT"),
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("BTC_USDT", "BTC/USDT"),
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("USDT_BUSD", "USDT/BUSD"),
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("BTC_USDT_USDT", "BTC/USDT:USDT"), # Futures
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("XRP_USDT_USDT", "XRP/USDT:USDT"), # futures
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("BTC-PERP", "BTC-PERP"),
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("BTC-PERP_USDT", "BTC-PERP:USDT"),
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("UNITTEST_USDT", "UNITTEST/USDT"),
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],
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)
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def test_rebuild_pair_from_filename(pair, expected):
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assert IDataHandler.rebuild_pair_from_filename(pair) == expected
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def test_datahandler_ohlcv_get_available_data(testdatadir):
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paircombs = FeatherDataHandler.ohlcv_get_available_data(testdatadir, TradingMode.SPOT)
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# Convert to set to avoid failures due to sorting
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assert set(paircombs) == {
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("UNITTEST/BTC", "5m", CandleType.SPOT),
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("ETH/BTC", "5m", CandleType.SPOT),
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("XLM/BTC", "5m", CandleType.SPOT),
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("TRX/BTC", "5m", CandleType.SPOT),
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("LTC/BTC", "5m", CandleType.SPOT),
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("XMR/BTC", "5m", CandleType.SPOT),
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("ZEC/BTC", "5m", CandleType.SPOT),
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("UNITTEST/BTC", "1m", CandleType.SPOT),
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("ADA/BTC", "5m", CandleType.SPOT),
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("ETC/BTC", "5m", CandleType.SPOT),
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("NXT/BTC", "5m", CandleType.SPOT),
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("DASH/BTC", "5m", CandleType.SPOT),
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("XRP/ETH", "1m", CandleType.SPOT),
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("XRP/ETH", "5m", CandleType.SPOT),
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("UNITTEST/BTC", "30m", CandleType.SPOT),
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("UNITTEST/BTC", "8m", CandleType.SPOT),
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}
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paircombs = FeatherDataHandler.ohlcv_get_available_data(testdatadir, TradingMode.FUTURES)
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# Convert to set to avoid failures due to sorting
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assert set(paircombs) == {
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("UNITTEST/USDT:USDT", "1h", "mark"),
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("XRP/USDT:USDT", "5m", "futures"),
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("XRP/USDT:USDT", "1h", "futures"),
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("XRP/USDT:USDT", "1h", "mark"),
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("XRP/USDT:USDT", "8h", "mark"),
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("XRP/USDT:USDT", "8h", "funding_rate"),
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}
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paircombs = JsonGzDataHandler.ohlcv_get_available_data(testdatadir, TradingMode.SPOT)
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assert set(paircombs) == {("UNITTEST/BTC", "8m", CandleType.SPOT)}
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paircombs = HDF5DataHandler.ohlcv_get_available_data(testdatadir, TradingMode.SPOT)
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assert set(paircombs) == {("UNITTEST/BTC", "5m", CandleType.SPOT)}
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def test_jsondatahandler_ohlcv_purge(mocker, testdatadir):
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mocker.patch.object(Path, "exists", MagicMock(return_value=False))
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unlinkmock = mocker.patch.object(Path, "unlink", MagicMock())
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dh = JsonGzDataHandler(testdatadir)
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assert not dh.ohlcv_purge("UNITTEST/NONEXIST", "5m", "")
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assert not dh.ohlcv_purge("UNITTEST/NONEXIST", "5m", candle_type="mark")
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assert unlinkmock.call_count == 0
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mocker.patch.object(Path, "exists", MagicMock(return_value=True))
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assert dh.ohlcv_purge("UNITTEST/NONEXIST", "5m", "")
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assert dh.ohlcv_purge("UNITTEST/NONEXIST", "5m", candle_type="mark")
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assert unlinkmock.call_count == 2
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def test_jsondatahandler_ohlcv_load(testdatadir, caplog):
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dh = JsonDataHandler(testdatadir)
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df = dh.ohlcv_load("UNITTEST/BTC", "1m", "spot")
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assert len(df) > 0
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# # Failure case (empty array)
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df1 = dh.ohlcv_load("NOPAIR/XXX", "4m", "spot")
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assert len(df1) == 0
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assert log_has("Could not load data for NOPAIR/XXX.", caplog)
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assert df.columns.equals(df1.columns)
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def test_datahandler_ohlcv_data_min_max(testdatadir):
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dh = JsonDataHandler(testdatadir)
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min_max = dh.ohlcv_data_min_max("UNITTEST/BTC", "5m", "spot")
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assert len(min_max) == 3
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# Empty pair
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min_max = dh.ohlcv_data_min_max("UNITTEST/BTC", "8m", "spot")
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assert len(min_max) == 3
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assert min_max[0] == datetime.fromtimestamp(0, tz=timezone.utc)
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assert min_max[0] == min_max[1]
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# Empty pair2
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min_max = dh.ohlcv_data_min_max("NOPAIR/XXX", "41m", "spot")
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assert len(min_max) == 3
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assert min_max[0] == datetime.fromtimestamp(0, tz=timezone.utc)
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assert min_max[0] == min_max[1]
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# Existing pair ...
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min_max = dh.ohlcv_data_min_max("UNITTEST/BTC", "1m", "spot")
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assert len(min_max) == 3
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assert min_max[0] == datetime(2017, 11, 4, 23, 2, tzinfo=timezone.utc)
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assert min_max[1] == datetime(2017, 11, 14, 22, 59, tzinfo=timezone.utc)
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def test_datahandler__check_empty_df(testdatadir, caplog):
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dh = JsonDataHandler(testdatadir)
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expected_text = r"Price jump in UNITTEST/USDT, 1h, spot between"
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df = DataFrame(
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[
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[
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1511686200000, # 8:50:00
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8.794, # open
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8.948, # high
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8.794, # low
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8.88, # close
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2255, # volume (in quote currency)
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],
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[
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1511686500000, # 8:55:00
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8.88,
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8.942,
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8.88,
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8.893,
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9911,
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],
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[
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1511687100000, # 9:05:00
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8.891,
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8.893,
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8.875,
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8.877,
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2251,
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],
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[
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1511687400000, # 9:10:00
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8.877,
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8.883,
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8.895,
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8.817,
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123551,
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],
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],
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columns=["date", "open", "high", "low", "close", "volume"],
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)
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dh._check_empty_df(df, "UNITTEST/USDT", "1h", CandleType.SPOT, True, True)
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assert not log_has_re(expected_text, caplog)
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df = DataFrame(
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[
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[
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1511686200000, # 8:50:00
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8.794, # open
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8.948, # high
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8.794, # low
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8.88, # close
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2255, # volume (in quote currency)
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],
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[
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1511686500000, # 8:55:00
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8.88,
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8.942,
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8.88,
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8.893,
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9911,
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],
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[
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1511687100000, # 9:05:00
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889.1, # Price jump by several decimals
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889.3,
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887.5,
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887.7,
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2251,
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],
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[
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1511687400000, # 9:10:00
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8.877,
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8.883,
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8.895,
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8.817,
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123551,
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],
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],
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columns=["date", "open", "high", "low", "close", "volume"],
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)
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dh._check_empty_df(df, "UNITTEST/USDT", "1h", CandleType.SPOT, True, True)
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assert log_has_re(expected_text, caplog)
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# @pytest.mark.parametrize('datahandler', [])
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@pytest.mark.skip("All datahandlers currently support trades data.")
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def test_datahandler_trades_not_supported(
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datahandler,
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testdatadir,
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):
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# Currently disabled. Re-enable should a new provider not support trades data.
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dh = get_datahandler(testdatadir, datahandler)
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with pytest.raises(NotImplementedError):
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dh.trades_load("UNITTEST/ETH")
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with pytest.raises(NotImplementedError):
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dh.trades_store("UNITTEST/ETH", MagicMock())
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def test_jsondatahandler_trades_load(testdatadir, caplog):
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dh = JsonGzDataHandler(testdatadir)
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logmsg = "Old trades format detected - converting"
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dh.trades_load("XRP/ETH", TradingMode.SPOT)
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assert not log_has(logmsg, caplog)
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# Test conversation is happening
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dh.trades_load("XRP/OLD", TradingMode.SPOT)
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assert log_has(logmsg, caplog)
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@pytest.mark.parametrize("datahandler", AVAILABLE_DATAHANDLERS)
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def test_datahandler_ohlcv_append(
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datahandler,
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testdatadir,
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):
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dh = get_datahandler(testdatadir, datahandler)
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with pytest.raises(NotImplementedError):
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dh.ohlcv_append("UNITTEST/ETH", "5m", DataFrame(), CandleType.SPOT)
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with pytest.raises(NotImplementedError):
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dh.ohlcv_append("UNITTEST/ETH", "5m", DataFrame(), CandleType.MARK)
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@pytest.mark.parametrize("datahandler", AVAILABLE_DATAHANDLERS)
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def test_datahandler_trades_append(datahandler, testdatadir):
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dh = get_datahandler(testdatadir, datahandler)
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with pytest.raises(NotImplementedError):
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dh.trades_append("UNITTEST/ETH", DataFrame())
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@pytest.mark.parametrize(
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"datahandler,expected",
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[
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("jsongz", {"XRP/ETH", "XRP/OLD"}),
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("hdf5", {"XRP/ETH"}),
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("feather", {"XRP/ETH"}),
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("parquet", {"XRP/ETH"}),
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],
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)
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def test_datahandler_trades_get_pairs(testdatadir, datahandler, expected):
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pairs = get_datahandlerclass(datahandler).trades_get_pairs(testdatadir)
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# Convert to set to avoid failures due to sorting
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assert set(pairs) == expected
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def test_hdf5datahandler_trades_load(testdatadir):
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dh = get_datahandler(testdatadir, "hdf5")
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trades = dh.trades_load("XRP/ETH", TradingMode.SPOT)
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assert isinstance(trades, DataFrame)
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trades1 = dh.trades_load("UNITTEST/NONEXIST", TradingMode.SPOT)
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assert isinstance(trades1, DataFrame)
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assert trades1.empty
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# data goes from 2019-10-11 - 2019-10-13
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timerange = TimeRange.parse_timerange("20191011-20191012")
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trades2 = dh._trades_load("XRP/ETH", TradingMode.SPOT, timerange)
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assert len(trades) > len(trades2)
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# Check that ID is None (If it's nan, it's wrong)
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assert trades2.iloc[0]["type"] is None
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# unfiltered load has trades before starttime
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assert len(trades.loc[trades["timestamp"] < timerange.startts * 1000]) >= 0
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# filtered list does not have trades before starttime
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assert len(trades2.loc[trades2["timestamp"] < timerange.startts * 1000]) == 0
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# unfiltered load has trades after endtime
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assert len(trades.loc[trades["timestamp"] > timerange.stopts * 1000]) >= 0
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# filtered list does not have trades after endtime
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assert len(trades2.loc[trades2["timestamp"] > timerange.stopts * 1000]) == 0
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# assert len([t for t in trades2 if t[0] > timerange.stopts * 1000]) == 0
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@pytest.mark.parametrize(
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"pair,timeframe,candle_type,candle_append,startdt,enddt",
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[
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# Data goes from 2018-01-10 - 2018-01-30
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("UNITTEST/BTC", "5m", "spot", "", "2018-01-15", "2018-01-19"),
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# Mark data goes from to 2021-11-15 2021-11-19
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("UNITTEST/USDT:USDT", "1h", "mark", "-mark", "2021-11-16", "2021-11-18"),
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],
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)
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def test_hdf5datahandler_ohlcv_load_and_resave(
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testdatadir, tmp_path, pair, timeframe, candle_type, candle_append, startdt, enddt
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):
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tmpdir2 = tmp_path
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if candle_type not in ("", "spot"):
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tmpdir2 = tmp_path / "futures"
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tmpdir2.mkdir()
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dh = get_datahandler(testdatadir, "hdf5")
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ohlcv = dh._ohlcv_load(pair, timeframe, None, candle_type=candle_type)
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assert isinstance(ohlcv, DataFrame)
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assert len(ohlcv) > 0
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file = tmpdir2 / f"UNITTEST_NEW-{timeframe}{candle_append}.h5"
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assert not file.is_file()
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dh1 = get_datahandler(tmp_path, "hdf5")
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dh1.ohlcv_store("UNITTEST/NEW", timeframe, ohlcv, candle_type=candle_type)
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assert file.is_file()
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assert not ohlcv[ohlcv["date"] < startdt].empty
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timerange = TimeRange.parse_timerange(f"{startdt.replace('-', '')}-{enddt.replace('-', '')}")
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# Call private function to ensure timerange is filtered in hdf5
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ohlcv = dh._ohlcv_load(pair, timeframe, timerange, candle_type=candle_type)
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ohlcv1 = dh1._ohlcv_load("UNITTEST/NEW", timeframe, timerange, candle_type=candle_type)
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assert len(ohlcv) == len(ohlcv1)
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assert ohlcv.equals(ohlcv1)
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assert ohlcv[ohlcv["date"] < startdt].empty
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assert ohlcv[ohlcv["date"] > enddt].empty
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# Try loading inexisting file
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ohlcv = dh.ohlcv_load("UNITTEST/NONEXIST", timeframe, candle_type=candle_type)
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assert ohlcv.empty
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@pytest.mark.parametrize(
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"pair,timeframe,candle_type,candle_append,startdt,enddt",
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[
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# Data goes from 2018-01-10 - 2018-01-30
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("UNITTEST/BTC", "5m", "spot", "", "2018-01-15", "2018-01-19"),
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# Mark data goes from to 2021-11-15 2021-11-19
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("UNITTEST/USDT:USDT", "1h", "mark", "-mark", "2021-11-16", "2021-11-18"),
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],
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)
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@pytest.mark.parametrize("datahandler", ["hdf5", "feather", "parquet"])
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def test_generic_datahandler_ohlcv_load_and_resave(
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datahandler, testdatadir, tmp_path, pair, timeframe, candle_type, candle_append, startdt, enddt
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):
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tmpdir2 = tmp_path
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if candle_type not in ("", "spot"):
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tmpdir2 = tmp_path / "futures"
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tmpdir2.mkdir()
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# Load data from one common file
|
|
dhbase = get_datahandler(testdatadir, "feather")
|
|
ohlcv = dhbase._ohlcv_load(pair, timeframe, None, candle_type=candle_type)
|
|
assert isinstance(ohlcv, DataFrame)
|
|
assert len(ohlcv) > 0
|
|
|
|
# Get data to test
|
|
dh = get_datahandler(testdatadir, datahandler)
|
|
|
|
file = tmpdir2 / f"UNITTEST_NEW-{timeframe}{candle_append}.{dh._get_file_extension()}"
|
|
assert not file.is_file()
|
|
|
|
dh1 = get_datahandler(tmp_path, datahandler)
|
|
dh1.ohlcv_store("UNITTEST/NEW", timeframe, ohlcv, candle_type=candle_type)
|
|
assert file.is_file()
|
|
|
|
assert not ohlcv[ohlcv["date"] < startdt].empty
|
|
|
|
timerange = TimeRange.parse_timerange(f"{startdt.replace('-', '')}-{enddt.replace('-', '')}")
|
|
|
|
ohlcv = dhbase.ohlcv_load(pair, timeframe, timerange=timerange, candle_type=candle_type)
|
|
if datahandler == "hdf5":
|
|
ohlcv1 = dh1._ohlcv_load("UNITTEST/NEW", timeframe, timerange, candle_type=candle_type)
|
|
if candle_type == "mark":
|
|
ohlcv1["volume"] = 0.0
|
|
else:
|
|
ohlcv1 = dh1.ohlcv_load(
|
|
"UNITTEST/NEW", timeframe, timerange=timerange, candle_type=candle_type
|
|
)
|
|
|
|
assert len(ohlcv) == len(ohlcv1)
|
|
assert ohlcv.equals(ohlcv1)
|
|
assert ohlcv[ohlcv["date"] < startdt].empty
|
|
assert ohlcv[ohlcv["date"] > enddt].empty
|
|
|
|
# Try loading inexisting file
|
|
ohlcv = dh.ohlcv_load("UNITTEST/NONEXIST", timeframe, candle_type=candle_type)
|
|
assert ohlcv.empty
|
|
|
|
|
|
def test_hdf5datahandler_ohlcv_purge(mocker, testdatadir):
|
|
mocker.patch.object(Path, "exists", MagicMock(return_value=False))
|
|
unlinkmock = mocker.patch.object(Path, "unlink", MagicMock())
|
|
dh = get_datahandler(testdatadir, "hdf5")
|
|
assert not dh.ohlcv_purge("UNITTEST/NONEXIST", "5m", "")
|
|
assert not dh.ohlcv_purge("UNITTEST/NONEXIST", "5m", candle_type="mark")
|
|
assert unlinkmock.call_count == 0
|
|
|
|
mocker.patch.object(Path, "exists", MagicMock(return_value=True))
|
|
assert dh.ohlcv_purge("UNITTEST/NONEXIST", "5m", "")
|
|
assert dh.ohlcv_purge("UNITTEST/NONEXIST", "5m", candle_type="mark")
|
|
assert unlinkmock.call_count == 2
|
|
|
|
|
|
@pytest.mark.parametrize("datahandler", ["jsongz", "hdf5", "feather", "parquet"])
|
|
def test_datahandler_trades_load(testdatadir, datahandler):
|
|
dh = get_datahandler(testdatadir, datahandler)
|
|
trades = dh.trades_load("XRP/ETH", TradingMode.SPOT)
|
|
assert isinstance(trades, DataFrame)
|
|
assert trades.iloc[0]["timestamp"] == 1570752011620
|
|
assert trades.iloc[0]["date"] == Timestamp("2019-10-11 00:00:11.620000+0000")
|
|
assert trades.iloc[-1]["cost"] == 0.1986231
|
|
|
|
trades1 = dh.trades_load("UNITTEST/NONEXIST", TradingMode.SPOT)
|
|
assert isinstance(trades, DataFrame)
|
|
assert trades1.empty
|
|
|
|
|
|
@pytest.mark.parametrize("datahandler", ["jsongz", "hdf5", "feather", "parquet"])
|
|
def test_datahandler_trades_store(testdatadir, tmp_path, datahandler):
|
|
dh = get_datahandler(testdatadir, datahandler)
|
|
trades = dh.trades_load("XRP/ETH", TradingMode.SPOT)
|
|
|
|
dh1 = get_datahandler(tmp_path, datahandler)
|
|
dh1.trades_store("XRP/NEW", trades, TradingMode.SPOT)
|
|
|
|
file = tmp_path / f"XRP_NEW-trades.{dh1._get_file_extension()}"
|
|
assert file.is_file()
|
|
# Load trades back
|
|
trades_new = dh1.trades_load("XRP/NEW", TradingMode.SPOT)
|
|
assert_frame_equal(trades, trades_new, check_exact=True)
|
|
assert len(trades_new) == len(trades)
|
|
|
|
|
|
@pytest.mark.parametrize("datahandler", ["jsongz", "hdf5", "feather", "parquet"])
|
|
def test_datahandler_trades_purge(mocker, testdatadir, datahandler):
|
|
mocker.patch.object(Path, "exists", MagicMock(return_value=False))
|
|
unlinkmock = mocker.patch.object(Path, "unlink", MagicMock())
|
|
dh = get_datahandler(testdatadir, datahandler)
|
|
assert not dh.trades_purge("UNITTEST/NONEXIST", TradingMode.SPOT)
|
|
assert unlinkmock.call_count == 0
|
|
|
|
mocker.patch.object(Path, "exists", MagicMock(return_value=True))
|
|
assert dh.trades_purge("UNITTEST/NONEXIST", TradingMode.SPOT)
|
|
assert unlinkmock.call_count == 1
|
|
|
|
|
|
def test_datahandler_trades_get_available_data(testdatadir):
|
|
paircombs = FeatherDataHandler.trades_get_available_data(testdatadir, TradingMode.SPOT)
|
|
# Convert to set to avoid failures due to sorting
|
|
assert set(paircombs) == {"XRP/ETH"}
|
|
|
|
paircombs = FeatherDataHandler.trades_get_available_data(testdatadir, TradingMode.FUTURES)
|
|
# Convert to set to avoid failures due to sorting
|
|
assert set(paircombs) == set()
|
|
|
|
paircombs = JsonGzDataHandler.trades_get_available_data(testdatadir, TradingMode.SPOT)
|
|
assert set(paircombs) == {"XRP/ETH", "XRP/OLD"}
|
|
paircombs = HDF5DataHandler.trades_get_available_data(testdatadir, TradingMode.SPOT)
|
|
assert set(paircombs) == {"XRP/ETH"}
|
|
|
|
|
|
def test_datahandler_trades_data_min_max(testdatadir):
|
|
dh = FeatherDataHandler(testdatadir)
|
|
min_max = dh.trades_data_min_max("XRP/ETH", TradingMode.SPOT)
|
|
assert len(min_max) == 3
|
|
|
|
# Empty pair
|
|
min_max = dh.trades_data_min_max("NADA/ETH", TradingMode.SPOT)
|
|
assert len(min_max) == 3
|
|
assert min_max[0] == datetime.fromtimestamp(0, tz=timezone.utc)
|
|
assert min_max[0] == min_max[1]
|
|
|
|
# Existing pair ...
|
|
min_max = dh.trades_data_min_max("XRP/ETH", TradingMode.SPOT)
|
|
assert len(min_max) == 3
|
|
assert min_max[0] == datetime(2019, 10, 11, 0, 0, 11, 620000, tzinfo=timezone.utc)
|
|
assert min_max[1] == datetime(2019, 10, 13, 11, 19, 28, 844000, tzinfo=timezone.utc)
|
|
|
|
|
|
def test_gethandlerclass():
|
|
cl = get_datahandlerclass("json")
|
|
assert cl == JsonDataHandler
|
|
assert issubclass(cl, IDataHandler)
|
|
|
|
cl = get_datahandlerclass("jsongz")
|
|
assert cl == JsonGzDataHandler
|
|
assert issubclass(cl, IDataHandler)
|
|
assert issubclass(cl, JsonDataHandler)
|
|
|
|
cl = get_datahandlerclass("hdf5")
|
|
assert cl == HDF5DataHandler
|
|
assert issubclass(cl, IDataHandler)
|
|
|
|
cl = get_datahandlerclass("feather")
|
|
assert cl == FeatherDataHandler
|
|
assert issubclass(cl, IDataHandler)
|
|
|
|
cl = get_datahandlerclass("parquet")
|
|
assert cl == ParquetDataHandler
|
|
assert issubclass(cl, IDataHandler)
|
|
|
|
with pytest.raises(ValueError, match=r"No datahandler for .*"):
|
|
get_datahandlerclass("DeadBeef")
|
|
|
|
|
|
def test_get_datahandler(testdatadir):
|
|
dh = get_datahandler(testdatadir, "json")
|
|
assert isinstance(dh, JsonDataHandler)
|
|
dh = get_datahandler(testdatadir, "jsongz")
|
|
assert isinstance(dh, JsonGzDataHandler)
|
|
dh1 = get_datahandler(testdatadir, "jsongz", dh)
|
|
assert id(dh1) == id(dh)
|
|
|
|
dh = get_datahandler(testdatadir, "hdf5")
|
|
assert isinstance(dh, HDF5DataHandler)
|