# pragma pylint: disable=missing-docstring, too-many-arguments, too-many-ancestors,
# pragma pylint: disable=protected-access, C0103
import datetime
from unittest.mock import MagicMock
import pytest
from requests.exceptions import RequestException
from freqtrade.rpc.fiat_convert import CryptoToFiatConverter
from freqtrade.util.coin_gecko import FtCoinGeckoApi
from tests.conftest import log_has, log_has_re
@pytest.fixture(autouse=True)
def reset_singleton_instance():
# Reset the singleton instance before each test
CryptoToFiatConverter._instances = {}
yield
CryptoToFiatConverter._instances = {}
def test_fiat_convert_is_singleton():
fiat_convert = CryptoToFiatConverter({"a": 22})
fiat_convert2 = CryptoToFiatConverter({})
assert fiat_convert is fiat_convert2
assert id(fiat_convert) == id(fiat_convert2)
def test_fiat_convert_is_supported():
fiat_convert = CryptoToFiatConverter({})
assert fiat_convert._is_supported_fiat(fiat="USD") is True
assert fiat_convert._is_supported_fiat(fiat="usd") is True
assert fiat_convert._is_supported_fiat(fiat="abc") is False
assert fiat_convert._is_supported_fiat(fiat="ABC") is False
def test_fiat_convert_find_price(mocker):
fiat_convert = CryptoToFiatConverter({})
fiat_convert._coinlistings = {}
fiat_convert._backoff = 0
mocker.patch(
"freqtrade.rpc.fiat_convert.CryptoToFiatConverter._load_cryptomap", return_value=None
)
assert fiat_convert.get_price(crypto_symbol="BTC", fiat_symbol="EUR") == 0.0
with pytest.raises(ValueError, match=r"The fiat ABC is not supported."):
fiat_convert._find_price(crypto_symbol="BTC", fiat_symbol="ABC")
assert fiat_convert.get_price(crypto_symbol="XRP", fiat_symbol="USD") == 0.0
mocker.patch(
"freqtrade.rpc.fiat_convert.CryptoToFiatConverter._find_price", return_value=12345.0
)
assert fiat_convert.get_price(crypto_symbol="BTC", fiat_symbol="USD") == 12345.0
assert fiat_convert.get_price(crypto_symbol="btc", fiat_symbol="usd") == 12345.0
mocker.patch(
"freqtrade.rpc.fiat_convert.CryptoToFiatConverter._find_price", return_value=13000.2
)
assert fiat_convert.get_price(crypto_symbol="BTC", fiat_symbol="EUR") == 13000.2
def test_fiat_convert_unsupported_crypto(mocker, caplog):
mocker.patch("freqtrade.rpc.fiat_convert.CryptoToFiatConverter._coinlistings", return_value=[])
fiat_convert = CryptoToFiatConverter({})
assert fiat_convert._find_price(crypto_symbol="CRYPTO_123", fiat_symbol="EUR") == 0.0
assert log_has("unsupported crypto-symbol CRYPTO_123 - returning 0.0", caplog)
def test_fiat_convert_get_price(mocker):
find_price = mocker.patch(
"freqtrade.rpc.fiat_convert.CryptoToFiatConverter._find_price", return_value=28000.0
)
fiat_convert = CryptoToFiatConverter({})
with pytest.raises(ValueError, match=r"The fiat us dollar is not supported."):
fiat_convert.get_price(crypto_symbol="btc", fiat_symbol="US Dollar")
# Check the value return by the method
pair_len = len(fiat_convert._pair_price)
assert pair_len == 0
assert fiat_convert.get_price(crypto_symbol="btc", fiat_symbol="usd") == 28000.0
assert fiat_convert._pair_price["btc/usd"] == 28000.0
assert len(fiat_convert._pair_price) == 1
assert find_price.call_count == 1
# Verify the cached is used
fiat_convert._pair_price["btc/usd"] = 9867.543
assert fiat_convert.get_price(crypto_symbol="btc", fiat_symbol="usd") == 9867.543
assert find_price.call_count == 1
def test_fiat_convert_same_currencies():
fiat_convert = CryptoToFiatConverter({})
assert fiat_convert.get_price(crypto_symbol="USD", fiat_symbol="USD") == 1.0
def test_fiat_convert_two_FIAT():
fiat_convert = CryptoToFiatConverter({})
assert fiat_convert.get_price(crypto_symbol="USD", fiat_symbol="EUR") == 0.0
def test_loadcryptomap():
fiat_convert = CryptoToFiatConverter({})
assert len(fiat_convert._coinlistings) == 2
assert fiat_convert._get_gecko_id("btc") == "bitcoin"
def test_fiat_init_network_exception(mocker):
# Because CryptoToFiatConverter is a Singleton we reset the listings
listmock = MagicMock(side_effect=RequestException)
mocker.patch.multiple(
"freqtrade.rpc.fiat_convert.FtCoinGeckoApi",
get_coins_list=listmock,
)
# with pytest.raises(RequestEsxception):
fiat_convert = CryptoToFiatConverter({})
fiat_convert._coinlistings = {}
fiat_convert._load_cryptomap()
assert len(fiat_convert._coinlistings) == 0
def test_fiat_convert_without_network():
# Because CryptoToFiatConverter is a Singleton we reset the value of _coingecko
fiat_convert = CryptoToFiatConverter({})
cmc_temp = fiat_convert._coingecko
fiat_convert._coingecko = None
assert fiat_convert._coingecko is None
assert fiat_convert._find_price(crypto_symbol="btc", fiat_symbol="usd") == 0.0
fiat_convert._coingecko = cmc_temp
def test_fiat_too_many_requests_response(mocker, caplog):
# Because CryptoToFiatConverter is a Singleton we reset the listings
req_exception = "429 Too Many Requests"
listmock = MagicMock(return_value="{}", side_effect=RequestException(req_exception))
mocker.patch.multiple(
"freqtrade.rpc.fiat_convert.FtCoinGeckoApi",
get_coins_list=listmock,
)
# with pytest.raises(RequestEsxception):
fiat_convert = CryptoToFiatConverter({})
fiat_convert._coinlistings = {}
fiat_convert._load_cryptomap()
assert len(fiat_convert._coinlistings) == 0
assert fiat_convert._backoff > datetime.datetime.now().timestamp()
assert log_has(
"Too many requests for CoinGecko API, backing off and trying again later.", caplog
)
def test_fiat_multiple_coins(caplog):
fiat_convert = CryptoToFiatConverter({})
fiat_convert._coinlistings = [
{"id": "helium", "symbol": "hnt", "name": "Helium"},
{"id": "hymnode", "symbol": "hnt", "name": "Hymnode"},
{"id": "bitcoin", "symbol": "btc", "name": "Bitcoin"},
{"id": "ethereum", "symbol": "eth", "name": "Ethereum"},
{"id": "ethereum-wormhole", "symbol": "eth", "name": "Ethereum Wormhole"},
]
assert fiat_convert._get_gecko_id("btc") == "bitcoin"
assert fiat_convert._get_gecko_id("hnt") is None
assert fiat_convert._get_gecko_id("eth") == "ethereum"
assert log_has("Found multiple mappings in CoinGecko for hnt.", caplog)
def test_fiat_invalid_response(mocker, caplog):
# Because CryptoToFiatConverter is a Singleton we reset the listings
listmock = MagicMock(return_value=None)
mocker.patch.multiple(
"freqtrade.rpc.fiat_convert.FtCoinGeckoApi",
get_coins_list=listmock,
)
# with pytest.raises(RequestEsxception):
fiat_convert = CryptoToFiatConverter({})
fiat_convert._coinlistings = []
fiat_convert._load_cryptomap()
assert len(fiat_convert._coinlistings) == 0
assert log_has_re(
"Could not load FIAT Cryptocurrency map for the following problem: .*", caplog
)
def test_convert_amount(mocker):
mocker.patch("freqtrade.rpc.fiat_convert.CryptoToFiatConverter.get_price", return_value=12345.0)
fiat_convert = CryptoToFiatConverter({})
result = fiat_convert.convert_amount(crypto_amount=1.23, crypto_symbol="BTC", fiat_symbol="USD")
assert result == 15184.35
result = fiat_convert.convert_amount(crypto_amount=1.23, crypto_symbol="BTC", fiat_symbol="BTC")
assert result == 1.23
result = fiat_convert.convert_amount(
crypto_amount="1.23", crypto_symbol="BTC", fiat_symbol="BTC"
)
assert result == 1.23
def test_FtCoinGeckoApi():
ftc = FtCoinGeckoApi()
assert ftc.extra_params is None
assert ftc.api_base_url == "https://api.coingecko.com/api/v3/"
# defaults to demo
ftc = FtCoinGeckoApi(api_key="123456")
assert ftc.extra_params is not None
assert ftc.extra_params["x_cg_demo_api_key"] == "123456"
assert ftc.api_base_url == "https://api.coingecko.com/api/v3/"
ftc = FtCoinGeckoApi(api_key="123456", is_demo=False)
assert ftc.extra_params is not None
assert ftc.extra_params["x_cg_pro_api_key"] == "123456"
assert ftc.api_base_url == "https://pro-api.coingecko.com/api/v3/"