112 lines
4.2 KiB
Python
112 lines
4.2 KiB
Python
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# pragma pylint: disable=missing-docstring, too-many-arguments, too-many-ancestors, C0103
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import time
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import pytest
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from unittest.mock import MagicMock
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from freqtrade.fiat_convert import CryptoToFiatConverter, CryptoFiat
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def test_pair_convertion_object():
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pair_convertion = CryptoFiat(
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crypto_symbol='btc',
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fiat_symbol='usd',
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price=12345.0
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)
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# Check the cache duration is 6 hours
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assert pair_convertion.CACHE_DURATION == 6 * 60 * 60
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# Check a regular usage
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assert pair_convertion.crypto_symbol == 'BTC'
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assert pair_convertion.fiat_symbol == 'USD'
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assert pair_convertion.price == 12345.0
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assert pair_convertion.is_expired() is False
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# Update the expiration time (- 2 hours) and check the behavior
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pair_convertion._expiration = time.time() - 2 * 60 * 60
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assert pair_convertion.is_expired() is True
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# Check set price behaviour
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time_reference = time.time() + pair_convertion.CACHE_DURATION
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pair_convertion.set_price(price=30000.123)
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assert pair_convertion.is_expired() is False
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assert pair_convertion._expiration >= time_reference
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assert pair_convertion.price == 30000.123
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def test_fiat_convert_is_supported():
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fiat_convert = CryptoToFiatConverter()
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assert fiat_convert._is_supported_fiat(fiat='USD') is True
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assert fiat_convert._is_supported_fiat(fiat='usd') is True
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assert fiat_convert._is_supported_fiat(fiat='abc') is False
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assert fiat_convert._is_supported_fiat(fiat='ABC') is False
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def test_fiat_convert_add_pair():
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fiat_convert = CryptoToFiatConverter()
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assert len(fiat_convert._pairs) == 0
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fiat_convert._add_pair(crypto_symbol='btc', fiat_symbol='usd', price=12345.0)
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assert len(fiat_convert._pairs) == 1
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assert fiat_convert._pairs[0].crypto_symbol == 'BTC'
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assert fiat_convert._pairs[0].fiat_symbol == 'USD'
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assert fiat_convert._pairs[0].price == 12345.0
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fiat_convert._add_pair(crypto_symbol='btc', fiat_symbol='Eur', price=13000.2)
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assert len(fiat_convert._pairs) == 2
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assert fiat_convert._pairs[1].crypto_symbol == 'BTC'
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assert fiat_convert._pairs[1].fiat_symbol == 'EUR'
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assert fiat_convert._pairs[1].price == 13000.2
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def test_fiat_convert_find_price(mocker):
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api_mock = MagicMock(return_value={
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'price_usd': 12345.0,
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'price_eur': 13000.2
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})
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mocker.patch('freqtrade.fiat_convert.Pymarketcap.ticker', api_mock)
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fiat_convert = CryptoToFiatConverter()
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with pytest.raises(ValueError, match=r'The fiat ABC is not supported.'):
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fiat_convert._find_price(crypto_symbol='BTC', fiat_symbol='ABC')
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assert fiat_convert.get_price(crypto_symbol='BTC', fiat_symbol='USD') == 12345.0
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assert fiat_convert.get_price(crypto_symbol='btc', fiat_symbol='usd') == 12345.0
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assert fiat_convert.get_price(crypto_symbol='BTC', fiat_symbol='EUR') == 13000.2
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def test_fiat_convert_get_price(mocker):
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api_mock = MagicMock(return_value={
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'price_usd': 28000.0,
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'price_eur': 15000.0
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})
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mocker.patch('freqtrade.fiat_convert.Pymarketcap.ticker', api_mock)
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fiat_convert = CryptoToFiatConverter()
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with pytest.raises(ValueError, match=r'The fiat US DOLLAR is not supported.'):
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fiat_convert.get_price(crypto_symbol='BTC', fiat_symbol='US Dollar')
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# Check the value return by the method
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assert len(fiat_convert._pairs) == 0
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assert fiat_convert.get_price(crypto_symbol='BTC', fiat_symbol='USD') == 28000.0
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assert fiat_convert._pairs[0].crypto_symbol == 'BTC'
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assert fiat_convert._pairs[0].fiat_symbol == 'USD'
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assert fiat_convert._pairs[0].price == 28000.0
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assert fiat_convert._pairs[0]._expiration is not 0
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assert len(fiat_convert._pairs) == 1
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# Verify the cached is used
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fiat_convert._pairs[0].price = 9867.543
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expiration = fiat_convert._pairs[0]._expiration
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assert fiat_convert.get_price(crypto_symbol='BTC', fiat_symbol='USD') == 9867.543
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assert fiat_convert._pairs[0]._expiration == expiration
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# Verify the cache expiration
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expiration = time.time() - 2 * 60 * 60
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fiat_convert._pairs[0]._expiration = expiration
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assert fiat_convert.get_price(crypto_symbol='BTC', fiat_symbol='USD') == 28000.0
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assert fiat_convert._pairs[0]._expiration is not expiration
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