Files
cointrader/tests/test_ml_features.py

114 lines
3.8 KiB
Python

import pandas as pd
import numpy as np
import pytest
from src.ml_features import build_features, FEATURE_COLS
def _make_df(n=10, base_price=1.0):
"""테스트용 더미 캔들 DataFrame 생성."""
closes = [base_price * (1 + i * 0.001) for i in range(n)]
return pd.DataFrame({
"close": closes, "high": [c * 1.01 for c in closes],
"low": [c * 0.99 for c in closes],
"volume": [1000.0] * n,
"rsi": [50.0] * n, "macd": [0.0] * n, "macd_signal": [0.0] * n,
"macd_hist": [0.0] * n, "bb_upper": [c * 1.02 for c in closes],
"bb_lower": [c * 0.98 for c in closes], "ema9": closes,
"ema21": closes, "ema50": closes, "atr": [0.01] * n,
"stoch_k": [50.0] * n, "stoch_d": [50.0] * n,
"vol_ma20": [1000.0] * n,
})
def test_build_features_with_btc_eth_has_21_features():
xrp_df = _make_df(10, base_price=1.0)
btc_df = _make_df(10, base_price=50000.0)
eth_df = _make_df(10, base_price=3000.0)
features = build_features(xrp_df, "LONG", btc_df=btc_df, eth_df=eth_df)
assert len(features) == 21
def test_build_features_without_btc_eth_has_13_features():
xrp_df = _make_df(10, base_price=1.0)
features = build_features(xrp_df, "LONG")
assert len(features) == 13
def test_build_features_btc_ret_1_correct():
xrp_df = _make_df(10, base_price=1.0)
btc_df = _make_df(10, base_price=50000.0)
eth_df = _make_df(10, base_price=3000.0)
features = build_features(xrp_df, "LONG", btc_df=btc_df, eth_df=eth_df)
btc_closes = btc_df["close"]
expected_btc_ret_1 = (btc_closes.iloc[-1] - btc_closes.iloc[-2]) / btc_closes.iloc[-2]
assert abs(features["btc_ret_1"] - expected_btc_ret_1) < 1e-6
def test_build_features_rs_zero_when_btc_ret_zero():
xrp_df = _make_df(10, base_price=1.0)
btc_df = _make_df(10, base_price=50000.0)
btc_df["close"] = 50000.0 # 모든 캔들 동일
eth_df = _make_df(10, base_price=3000.0)
features = build_features(xrp_df, "LONG", btc_df=btc_df, eth_df=eth_df)
assert features["xrp_btc_rs"] == 0.0
def test_feature_cols_has_23_items():
from src.ml_features import FEATURE_COLS
assert len(FEATURE_COLS) == 23
def make_df(n=100):
"""테스트용 최소 DataFrame 생성"""
np.random.seed(42)
close = 100 + np.cumsum(np.random.randn(n) * 0.5)
df = pd.DataFrame({
"open": close * 0.999,
"high": close * 1.002,
"low": close * 0.998,
"close": close,
"volume": np.random.uniform(1000, 5000, n),
})
return df
def test_build_features_returns_series():
from src.indicators import Indicators
df = make_df(100)
ind = Indicators(df)
df_ind = ind.calculate_all()
features = build_features(df_ind, signal="LONG")
assert isinstance(features, pd.Series)
BASE_FEATURE_COLS = [
"rsi", "macd_hist", "bb_pct", "ema_align",
"stoch_k", "stoch_d", "atr_pct", "vol_ratio",
"ret_1", "ret_3", "ret_5", "signal_strength", "side",
]
def test_build_features_has_all_cols():
from src.indicators import Indicators
df = make_df(100)
ind = Indicators(df)
df_ind = ind.calculate_all()
features = build_features(df_ind, signal="LONG")
for col in BASE_FEATURE_COLS:
assert col in features.index, f"피처 누락: {col}"
def test_build_features_no_nan():
from src.indicators import Indicators
df = make_df(100)
ind = Indicators(df)
df_ind = ind.calculate_all()
features = build_features(df_ind, signal="LONG")
assert not features.isna().any(), f"NaN 존재: {features[features.isna()]}"
def test_side_encoding():
from src.indicators import Indicators
df = make_df(100)
ind = Indicators(df)
df_ind = ind.calculate_all()
long_feat = build_features(df_ind, signal="LONG")
short_feat = build_features(df_ind, signal="SHORT")
assert long_feat["side"] == 1
assert short_feat["side"] == 0