Files
crypto_trader/tests/unit/data/providers/test_coingecko_provider.py

114 lines
3.7 KiB
Python

"""Unit tests for CoinGecko pricing provider."""
import pytest
from unittest.mock import Mock, patch, MagicMock
from decimal import Decimal
import httpx
from src.data.providers.coingecko_provider import CoinGeckoProvider
@pytest.fixture
def provider():
"""Create a CoinGecko provider instance."""
return CoinGeckoProvider()
@pytest.fixture
def mock_response():
"""Create a mock HTTP response."""
response = Mock()
response.status_code = 200
response.json = Mock(return_value={
'bitcoin': {
'usd': 50000.0,
'usd_24h_change': 2.5,
'usd_24h_vol': 1000000.0,
}
})
return response
class TestCoinGeckoProvider:
"""Tests for CoinGeckoProvider."""
def test_init(self, provider):
"""Test provider initialization."""
assert provider.name == "CoinGecko"
assert not provider.supports_websocket
assert not provider._connected
@patch('src.data.providers.coingecko_provider.httpx.Client')
def test_connect_success(self, mock_client_class, provider, mock_response):
"""Test successful connection."""
mock_client = Mock()
mock_client.get = Mock(return_value=mock_response)
mock_client_class.return_value = mock_client
result = provider.connect()
assert result is True
assert provider._connected is True
@patch('src.data.providers.coingecko_provider.httpx.Client')
def test_connect_failure(self, mock_client_class, provider):
"""Test connection failure."""
mock_client = Mock()
mock_client.get = Mock(side_effect=Exception("Connection failed"))
mock_client_class.return_value = mock_client
result = provider.connect()
assert result is False
assert not provider._connected
def test_parse_symbol(self, provider):
"""Test symbol parsing."""
coin_id, currency = provider._parse_symbol('BTC/USD')
assert coin_id == 'bitcoin'
assert currency == 'usd'
coin_id, currency = provider._parse_symbol('ETH/USDT')
assert coin_id == 'ethereum'
assert currency == 'usd' # USDT maps to USD
@patch('src.data.providers.coingecko_provider.httpx.Client')
def test_get_ticker(self, mock_client_class, provider, mock_response):
"""Test getting ticker data."""
mock_client = Mock()
mock_client.get = Mock(return_value=mock_response)
mock_client_class.return_value = mock_client
provider.connect()
ticker = provider.get_ticker('BTC/USD')
assert ticker['symbol'] == 'BTC/USD'
assert isinstance(ticker['last'], Decimal)
assert ticker['last'] > 0
assert 'timestamp' in ticker
@patch('src.data.providers.coingecko_provider.httpx.Client')
def test_get_ohlcv(self, mock_client_class, provider):
"""Test getting OHLCV data."""
mock_response = Mock()
mock_response.status_code = 200
mock_response.json = Mock(return_value=[
[1609459200000, 50000, 51000, 49000, 50000],
])
mock_client = Mock()
mock_client.get = Mock(return_value=mock_response)
mock_client_class.return_value = mock_client
provider.connect()
ohlcv = provider.get_ohlcv('BTC/USD', '1h', limit=10)
assert len(ohlcv) > 0
# CoinGecko returns 5 elements, we add volume as 0
assert len(ohlcv[0]) == 6
def test_normalize_symbol(self, provider):
"""Test symbol normalization."""
normalized = provider.normalize_symbol('btc-usdt')
assert normalized == 'BTC/USDT'