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tick-stock-panel/backend/tests/test_indicator_needed.py
T
lytem28 b6cf0495e1 feat: complete matrix-native backtest engine
Unify strategy execution across backtest, screener, and monitoring; isolate backtest workloads in spawn workers; and add shared matrix caching plus valid-bar indicator acceleration.
2026-07-16 12:17:27 +08:00

63 lines
2.4 KiB
Python

from __future__ import annotations
from datetime import date, timedelta
import polars as pl
from app.indicators.pipeline import compute_indicators, compute_limit_signals, compute_signals
def _bars(n: int = 90) -> pl.DataFrame:
rows = []
for symbol, offset in (("600000", 0.0), ("300001", 2.0)):
for i in range(n):
close = 10.0 + offset + i * 0.03 + ((i % 7) - 3) * 0.04
rows.append({
"symbol": symbol,
"date": date(2024, 1, 1) + timedelta(days=i),
"open": close - 0.02,
"high": close + 0.10,
"low": close - 0.10,
"close": close,
"volume": 1000 + i * 10,
"amount": close * (1000 + i * 10),
"raw_close": close,
"raw_high": close + 0.10,
"raw_low": close - 0.10,
})
return pl.DataFrame(rows)
def test_compute_signals_subset_matches_full_values():
indicators = compute_indicators(_bars())
full = compute_signals(indicators)
subset = compute_signals(indicators, needed={"signal_macd_golden", "signal_volume_surge"})
assert "signal_macd_golden" in subset.columns
assert "signal_volume_surge" in subset.columns
assert "signal_ma20_breakout" not in subset.columns
assert subset["signal_macd_golden"].equals(full["signal_macd_golden"])
assert subset["signal_volume_surge"].equals(full["signal_volume_surge"])
def test_compute_signals_empty_needed_adds_no_signals():
indicators = compute_indicators(_bars(), needed={"ma20"})
result = compute_signals(indicators, needed=set())
assert not any(col.startswith(("signal_", "csg_")) for col in result.columns)
def test_compute_limit_signals_subset_matches_full_and_prunes_other_outputs():
bars = compute_indicators(_bars(), needed={"change_pct"})
instruments = pl.DataFrame({
"symbol": ["600000", "300001"],
"name": ["浦发银行", "测试股份"],
"float_shares": [1_000_000_000.0, 500_000_000.0],
})
full = compute_limit_signals(bars, instruments)
subset = compute_limit_signals(bars, instruments, needed={"signal_limit_up"})
assert "signal_limit_up" in subset.columns
assert "signal_limit_down" not in subset.columns
assert "signal_broken_limit_up" not in subset.columns
assert subset["signal_limit_up"].equals(full["signal_limit_up"])