302 lines
9.8 KiB
Python
302 lines
9.8 KiB
Python
# pragma pylint: disable=missing-docstring, C0103, bad-continuation, global-statement
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# pragma pylint: disable=protected-access
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from unittest.mock import Mock, MagicMock, PropertyMock
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from random import randint
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import logging
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import ccxt
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from requests.exceptions import RequestException
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import pytest
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from freqtrade import OperationalException
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from freqtrade.exchange import init, validate_pairs, buy, sell, get_balance, get_balances, \
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get_ticker, get_ticker_history, cancel_order, get_name, get_fee
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import freqtrade.exchange as exchange
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API_INIT = False
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def maybe_init_api(conf, mocker):
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global API_INIT
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if not API_INIT:
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mocker.patch('freqtrade.exchange.validate_pairs',
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side_effect=lambda s: True)
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init(config=conf)
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API_INIT = True
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def test_init(default_conf, mocker, caplog):
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maybe_init_api(default_conf, mocker)
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assert ('freqtrade.exchange',
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logging.INFO,
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'Instance is running with dry_run enabled'
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) in caplog.record_tuples
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def test_init_exception(default_conf):
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default_conf['exchange']['name'] = 'wrong_exchange_name'
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with pytest.raises(
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OperationalException,
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match='Exchange {} is not supported'.format(default_conf['exchange']['name'])):
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init(config=default_conf)
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def test_validate_pairs(default_conf, mocker):
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api_mock = MagicMock()
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api_mock.load_markets = MagicMock(return_value={
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'ETH/BTC': '', 'TKN/BTC': '', 'TRST/BTC': '', 'SWT/BTC': '', 'BCC/BTC': ''
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})
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id_mock = PropertyMock(return_value='test_exchange')
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type(api_mock).id = id_mock
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mocker.patch('freqtrade.exchange._API', api_mock)
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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validate_pairs(default_conf['exchange']['pair_whitelist'])
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def test_validate_pairs_not_available(default_conf, mocker):
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api_mock = MagicMock()
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api_mock.load_markets = MagicMock(return_value={})
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mocker.patch('freqtrade.exchange._API', api_mock)
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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with pytest.raises(OperationalException, match=r'not available'):
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validate_pairs(default_conf['exchange']['pair_whitelist'])
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def test_validate_pairs_not_compatible(default_conf, mocker):
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api_mock = MagicMock()
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api_mock.load_markets = MagicMock(return_value={
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'ETH/BTC': '', 'TKN/BTC': '', 'TRST/BTC': '', 'SWT/BTC': '', 'BCC/BTC': ''
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})
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default_conf['stake_currency'] = 'ETH'
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mocker.patch('freqtrade.exchange._API', api_mock)
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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with pytest.raises(OperationalException, match=r'not compatible'):
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validate_pairs(default_conf['exchange']['pair_whitelist'])
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def test_validate_pairs_exception(default_conf, mocker, caplog):
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api_mock = MagicMock()
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api_mock.load_markets = MagicMock(side_effect=ccxt.BaseError())
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mocker.patch('freqtrade.exchange._API', api_mock)
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validate_pairs(default_conf['exchange']['pair_whitelist'])
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assert ('freqtrade.exchange',
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logging.WARNING,
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'Unable to validate pairs (assuming they are correct). Reason: '
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) in caplog.record_tuples
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def test_buy_dry_run(default_conf, mocker):
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default_conf['dry_run'] = True
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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assert 'dry_run_buy_' in buy(pair='ETH/BTC', rate=200, amount=1)
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def test_buy_prod(default_conf, mocker):
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api_mock = MagicMock()
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api_mock.buy = MagicMock(
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return_value='dry_run_buy_{}'.format(randint(0, 10 ** 6)))
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mocker.patch('freqtrade.exchange._API', api_mock)
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default_conf['dry_run'] = False
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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assert 'dry_run_buy_' in buy(pair='ETH/BTC', rate=200, amount=1)
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def test_sell_dry_run(default_conf, mocker):
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default_conf['dry_run'] = True
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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assert 'dry_run_sell_' in sell(pair='ETH/BTC', rate=200, amount=1)
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def test_sell_prod(default_conf, mocker):
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api_mock = MagicMock()
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api_mock.sell = MagicMock(
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return_value='dry_run_sell_{}'.format(randint(0, 10 ** 6)))
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mocker.patch('freqtrade.exchange._API', api_mock)
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default_conf['dry_run'] = False
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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assert 'dry_run_sell_' in sell(pair='ETH/BTC', rate=200, amount=1)
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def test_get_balance_dry_run(default_conf, mocker):
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default_conf['dry_run'] = True
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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assert get_balance(currency='BTC') == 999.9
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def test_get_balance_prod(default_conf, mocker):
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api_mock = MagicMock()
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api_mock.fetch_balance = MagicMock(return_value={'BTC': {'free': 123.4}})
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mocker.patch('freqtrade.exchange._API', api_mock)
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default_conf['dry_run'] = False
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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assert get_balance(currency='BTC') == 123.4
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def test_get_balances_dry_run(default_conf, mocker):
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default_conf['dry_run'] = True
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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assert get_balances() == {}
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def test_get_balances_prod(default_conf, mocker):
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balance_item = {
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'free': 10.0,
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'total': 10.0,
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'used': 0.0
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}
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api_mock = MagicMock()
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api_mock.fetch_balance = MagicMock(return_value={
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'1ST': balance_item,
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'2ST': balance_item,
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'3ST': balance_item
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})
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mocker.patch('freqtrade.exchange._API', api_mock)
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default_conf['dry_run'] = False
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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assert len(get_balances()) == 3
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assert get_balances()['1ST']['free'] == 10.0
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assert get_balances()['1ST']['total'] == 10.0
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assert get_balances()['1ST']['used'] == 0.0
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# This test is somewhat redundant with
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# test_exchange_bittrex.py::test_exchange_bittrex_get_ticker
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def test_get_ticker(default_conf, mocker):
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maybe_init_api(default_conf, mocker)
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api_mock = MagicMock()
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tick = {
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'symbol': 'ETH/BTC',
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'bid': 0.00001098,
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'ask': 0.00001099,
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'last': 0.0001,
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}
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api_mock.fetch_ticker = MagicMock(return_value=tick)
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mocker.patch('freqtrade.exchange._API', api_mock)
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# retrieve original ticker
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ticker = get_ticker(pair='ETH/BTC')
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assert ticker['bid'] == 0.00001098
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assert ticker['ask'] == 0.00001099
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# change the ticker
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tick = {
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'symbol': 'ETH/BTC',
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'bid': 0.5,
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'ask': 1,
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'last': 42,
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}
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api_mock.fetch_ticker = MagicMock(return_value=tick)
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mocker.patch('freqtrade.exchange._API', api_mock)
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# if not caching the result we should get the same ticker
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# if not fetching a new result we should get the cached ticker
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# ticker = get_ticker(pair='ETH/BTC', refresh=False)
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# assert ticker['bid'] == 0.00001098
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# assert ticker['ask'] == 0.00001099
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# force ticker refresh
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ticker = get_ticker(pair='ETH/BTC', refresh=True)
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assert ticker['bid'] == 0.5
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assert ticker['ask'] == 1
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def test_get_ticker_history(default_conf, mocker):
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api_mock = MagicMock()
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tick = 123
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api_mock.fetch_ohlcv = MagicMock(return_value=tick)
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mocker.patch('freqtrade.exchange._API', api_mock)
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# retrieve original ticker
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ticks = get_ticker_history('ETH/BTC', int(default_conf['ticker_interval']))
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assert ticks == 123
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# change the ticker
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#tick = 999
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#api_mock.get_ticker_history = MagicMock(return_value=tick)
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#mocker.patch('freqtrade.exchange._API', api_mock)
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# ensure caching will still return the original ticker
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#ticks = get_ticker_history('ETH/BTC', int(default_conf['ticker_interval']))
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#assert ticks == 123
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def test_cancel_order_dry_run(default_conf, mocker):
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default_conf['dry_run'] = True
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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assert cancel_order(order_id='123') is None
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# Ensure that if not dry_run, we should call API
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def test_cancel_order(default_conf, mocker):
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default_conf['dry_run'] = False
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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api_mock = MagicMock()
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api_mock.cancel_order = MagicMock(return_value=123)
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mocker.patch('freqtrade.exchange._API', api_mock)
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assert cancel_order(order_id='_') == 123
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def test_get_order(default_conf, mocker):
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default_conf['dry_run'] = True
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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order = MagicMock()
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order.myid = 123
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exchange._DRY_RUN_OPEN_ORDERS['X'] = order
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print(exchange.get_order('X'))
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assert exchange.get_order('X').myid == 123
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default_conf['dry_run'] = False
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mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
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api_mock = MagicMock()
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api_mock.get_order = MagicMock(return_value=456)
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mocker.patch('freqtrade.exchange._API', api_mock)
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assert exchange.get_order('X') == 456
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def test_get_name(default_conf, mocker):
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mocker.patch('freqtrade.exchange.validate_pairs',
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side_effect=lambda s: True)
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default_conf['exchange']['name'] = 'binance'
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init(default_conf)
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assert get_name() == 'Binance'
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def test_get_fee(default_conf, mocker):
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api_mock = MagicMock()
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api_mock.calculate_fee = MagicMock(return_value={'type': 'taker', 'currency': 'BTC', 'rate': 0.025, 'cost': 0.05})
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mocker.patch('freqtrade.exchange._API', api_mock)
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assert get_fee() == 0.025
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# TODO: disable until caching implemented
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# def test_exchange_misc(mocker):
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# api_mock = MagicMock()
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# mocker.patch('freqtrade.exchange._API', api_mock)
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# exchange.get_markets()
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# assert api_mock.get_markets.call_count == 1
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# exchange.get_market_summaries()
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# assert api_mock.get_market_summaries.call_count == 1
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# api_mock.name = 123
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# assert exchange.get_name() == 123
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# api_mock.fee = 456
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# assert exchange.get_fee() == 456
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# exchange.get_wallet_health()
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# assert api_mock.get_wallet_health.call_count == 1
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