Files
NexQuant/test/backtesting/test_kronos_adapter.py
T
TPTBusiness cbe1c52e00 refactor: rename project from Predix to NexQuant
Rename all source files, scripts, tests, documentation, and configuration
from Predix/predix to NexQuant/nexquant across the entire codebase.
2026-05-09 17:48:22 +02:00

278 lines
13 KiB
Python

"""Tests for KronosAdapter and CLI commands — mock-based, no real model download needed."""
import json
import numpy as np
import pandas as pd
import pytest
from pathlib import Path
from unittest.mock import patch, MagicMock
# ---------------------------------------------------------------------------
# Helpers
# ---------------------------------------------------------------------------
def _make_ohlcv(n: int = 600, freq: str = "1min") -> pd.DataFrame:
"""Synthetic 1-min OHLCV DataFrame."""
idx = pd.date_range("2024-01-01", periods=n, freq=freq)
close = 1.1000 + np.cumsum(np.random.randn(n) * 0.0001)
return pd.DataFrame({
"open": close + np.random.randn(n) * 0.00005,
"high": close + np.abs(np.random.randn(n) * 0.0001),
"low": close - np.abs(np.random.randn(n) * 0.0001),
"close": close,
"volume": np.abs(np.random.randn(n) * 100),
}, index=idx)
def _make_nexquant_hdf5(tmp_path: Path, n: int = 300) -> Path:
"""Write a minimal NexQuant-format HDF5 file and return its path."""
idx = pd.MultiIndex.from_arrays(
[pd.date_range("2024-01-01", periods=n, freq="1min"), ["EURUSD"] * n],
names=["datetime", "instrument"],
)
df = pd.DataFrame({
"$open": (np.random.rand(n) + 1.1).astype("float32"),
"$close": (np.random.rand(n) + 1.1).astype("float32"),
"$high": (np.random.rand(n) + 1.11).astype("float32"),
"$low": (np.random.rand(n) + 1.09).astype("float32"),
"$volume": (np.random.rand(n) * 100).astype("float32"),
}, index=idx)
h5 = tmp_path / "intraday_pv.h5"
df.to_hdf(h5, key="data", mode="w")
return h5
def _make_mock_adapter():
"""Return a mock KronosAdapter whose predict_next_bars is deterministic."""
class MockAdapter:
def load(self): return self
def predict_next_bars(self, ohlcv_df, context_bars, pred_bars, **kw):
idx = pd.date_range(ohlcv_df.index[-1], periods=pred_bars + 1, freq="1min")[1:]
last_close = float(ohlcv_df["close"].iloc[-1])
return pd.DataFrame({
"open": last_close * 1.001,
"close": last_close * 1.002,
"high": last_close * 1.003,
"low": last_close * 0.999,
"volume": 100.0,
}, index=idx)
def predict_return(self, ohlcv_df, context_bars=512, pred_bars=1):
return 0.001
return MockAdapter()
# ---------------------------------------------------------------------------
# Unit tests: _ohlcv_from_nexquant
# ---------------------------------------------------------------------------
class TestOhlcvConversion:
def test_renames_dollar_columns(self):
from rdagent.components.coder.kronos_adapter import _ohlcv_from_nexquant
idx = pd.MultiIndex.from_arrays(
[pd.date_range("2024-01-01", periods=3, freq="1min"), ["EURUSD"] * 3],
names=["datetime", "instrument"],
)
df = pd.DataFrame({
"$open": [1.1, 1.2, 1.3], "$high": [1.15, 1.25, 1.35],
"$low": [1.05, 1.15, 1.25], "$close": [1.12, 1.22, 1.32],
"$volume": [100.0, 200.0, 300.0],
}, index=idx)
result = _ohlcv_from_nexquant(df)
assert list(result.columns) == ["open", "high", "low", "close", "volume"]
def test_no_dollar_columns_passthrough(self):
from rdagent.components.coder.kronos_adapter import _ohlcv_from_nexquant
df = pd.DataFrame({"open": [1.0], "close": [1.1], "high": [1.2], "low": [0.9], "volume": [100.0]})
result = _ohlcv_from_nexquant(df)
assert "close" in result.columns
def test_output_is_float64(self):
from rdagent.components.coder.kronos_adapter import _ohlcv_from_nexquant
df = pd.DataFrame({
"$open": np.array([1.1], dtype="float32"),
"$close": np.array([1.1], dtype="float32"),
"$high": np.array([1.1], dtype="float32"),
"$low": np.array([1.1], dtype="float32"),
"$volume": np.array([100.0], dtype="float32"),
})
result = _ohlcv_from_nexquant(df)
assert result["close"].dtype == np.float64
# ---------------------------------------------------------------------------
# Unit tests: KronosAdapter availability check
# ---------------------------------------------------------------------------
class TestKronosAvailability:
def test_unavailable_without_repo(self, tmp_path, monkeypatch):
import rdagent.components.coder.kronos_adapter as mod
monkeypatch.setattr(mod, "KRONOS_REPO", tmp_path / "nonexistent")
monkeypatch.setattr(mod, "_KRONOS_AVAILABLE", None)
assert mod._ensure_kronos() is False
def test_load_raises_without_repo(self, tmp_path, monkeypatch):
import rdagent.components.coder.kronos_adapter as mod
monkeypatch.setattr(mod, "KRONOS_REPO", tmp_path / "nonexistent")
monkeypatch.setattr(mod, "_KRONOS_AVAILABLE", None)
adapter = mod.KronosAdapter()
with pytest.raises(RuntimeError, match="Kronos not available"):
adapter.load()
def test_predict_without_load_raises(self):
from rdagent.components.coder.kronos_adapter import KronosAdapter
adapter = KronosAdapter()
with pytest.raises(RuntimeError, match="Call .load()"):
adapter.predict_next_bars(_make_ohlcv(100), 50, 10)
# ---------------------------------------------------------------------------
# Unit tests: build_kronos_factor
# ---------------------------------------------------------------------------
class TestBuildKronosFactor:
def test_output_has_correct_multiindex(self, tmp_path, monkeypatch):
import rdagent.components.coder.kronos_adapter as mod
monkeypatch.setattr(mod, "KronosAdapter", lambda **kw: _make_mock_adapter())
h5 = _make_nexquant_hdf5(tmp_path)
result = mod.build_kronos_factor(h5, context_bars=100, pred_bars=20, stride_bars=20, device="cpu")
assert result.index.names == ["datetime", "instrument"]
assert result.index.nlevels == 2
def test_output_column_name(self, tmp_path, monkeypatch):
import rdagent.components.coder.kronos_adapter as mod
monkeypatch.setattr(mod, "KronosAdapter", lambda **kw: _make_mock_adapter())
h5 = _make_nexquant_hdf5(tmp_path)
result = mod.build_kronos_factor(h5, context_bars=100, pred_bars=20, stride_bars=20, device="cpu")
assert "KronosPredReturn" in result.columns
def test_output_has_non_nan_values(self, tmp_path, monkeypatch):
import rdagent.components.coder.kronos_adapter as mod
monkeypatch.setattr(mod, "KronosAdapter", lambda **kw: _make_mock_adapter())
h5 = _make_nexquant_hdf5(tmp_path)
result = mod.build_kronos_factor(h5, context_bars=100, pred_bars=20, stride_bars=20, device="cpu")
assert result["KronosPredReturn"].notna().sum() > 0
def test_output_length_matches_input(self, tmp_path, monkeypatch):
import rdagent.components.coder.kronos_adapter as mod
monkeypatch.setattr(mod, "KronosAdapter", lambda **kw: _make_mock_adapter())
n = 300
h5 = _make_nexquant_hdf5(tmp_path, n=n)
result = mod.build_kronos_factor(h5, context_bars=100, pred_bars=20, stride_bars=20, device="cpu")
assert len(result) == n
def test_forward_fill_propagates_signal(self, tmp_path, monkeypatch):
"""Values within a predicted window should be forward-filled, not NaN."""
import rdagent.components.coder.kronos_adapter as mod
monkeypatch.setattr(mod, "KronosAdapter", lambda **kw: _make_mock_adapter())
h5 = _make_nexquant_hdf5(tmp_path, n=300)
result = mod.build_kronos_factor(h5, context_bars=100, pred_bars=20, stride_bars=20, device="cpu")
non_nan_ratio = result["KronosPredReturn"].notna().mean()
assert non_nan_ratio > 0.5, f"Expected >50% non-NaN, got {non_nan_ratio:.2%}"
def test_raises_on_missing_hdf5(self, tmp_path, monkeypatch):
import rdagent.components.coder.kronos_adapter as mod
monkeypatch.setattr(mod, "KronosAdapter", lambda **kw: _make_mock_adapter())
with pytest.raises(Exception):
mod.build_kronos_factor(tmp_path / "missing.h5", context_bars=50, pred_bars=10, stride_bars=10)
# ---------------------------------------------------------------------------
# Unit tests: evaluate_kronos_model
# ---------------------------------------------------------------------------
class TestEvaluateKronosModel:
def test_returns_required_keys(self, tmp_path, monkeypatch):
import rdagent.components.coder.kronos_adapter as mod
monkeypatch.setattr(mod, "KronosAdapter", lambda **kw: _make_mock_adapter())
h5 = _make_nexquant_hdf5(tmp_path, n=400)
metrics = mod.evaluate_kronos_model(h5, context_bars=100, pred_bars=20, stride_bars=20, device="cpu")
for key in ["IC_mean", "IC_std", "IC_IR", "hit_rate", "n_predictions"]:
assert key in metrics, f"Missing key: {key}"
def test_hit_rate_in_valid_range(self, tmp_path, monkeypatch):
import rdagent.components.coder.kronos_adapter as mod
monkeypatch.setattr(mod, "KronosAdapter", lambda **kw: _make_mock_adapter())
h5 = _make_nexquant_hdf5(tmp_path, n=400)
metrics = mod.evaluate_kronos_model(h5, context_bars=100, pred_bars=20, stride_bars=20, device="cpu")
assert 0.0 <= metrics["hit_rate"] <= 1.0
def test_n_predictions_positive(self, tmp_path, monkeypatch):
import rdagent.components.coder.kronos_adapter as mod
monkeypatch.setattr(mod, "KronosAdapter", lambda **kw: _make_mock_adapter())
h5 = _make_nexquant_hdf5(tmp_path, n=400)
metrics = mod.evaluate_kronos_model(h5, context_bars=100, pred_bars=20, stride_bars=20, device="cpu")
assert metrics["n_predictions"] > 0
# ---------------------------------------------------------------------------
# Integration tests: CLI commands (via typer test runner)
# ---------------------------------------------------------------------------
class TestCLICommands:
def test_kronos_factor_missing_data_exits(self, tmp_path, monkeypatch):
"""kronos-factor exits with code 1 when HDF5 data is missing."""
from typer.testing import CliRunner
import nexquant as nexquant_mod
monkeypatch.chdir(tmp_path)
runner = CliRunner()
result = runner.invoke(nexquant_mod.app, ["kronos-factor"])
assert result.exit_code == 1
def test_kronos_eval_missing_data_exits(self, tmp_path, monkeypatch):
"""kronos-eval exits with code 1 when HDF5 data is missing."""
from typer.testing import CliRunner
import nexquant as nexquant_mod
monkeypatch.chdir(tmp_path)
runner = CliRunner()
result = runner.invoke(nexquant_mod.app, ["kronos-eval"])
assert result.exit_code == 1
def test_kronos_factor_runs_with_mock(self, tmp_path, monkeypatch):
"""kronos-factor completes and saves parquet + json when adapter is mocked."""
from typer.testing import CliRunner
import rdagent.components.coder.kronos_adapter as mod
import nexquant as nexquant_mod
monkeypatch.setattr(mod, "KronosAdapter", lambda **kw: _make_mock_adapter())
data_dir = tmp_path / "git_ignore_folder" / "factor_implementation_source_data"
data_dir.mkdir(parents=True)
_make_nexquant_hdf5(data_dir.parent.parent, n=300)
h5_src = tmp_path / "intraday_pv.h5"
# Put HDF5 where the CLI expects it
import shutil
src = _make_nexquant_hdf5(tmp_path, n=300)
shutil.copy(src, data_dir / "intraday_pv.h5")
monkeypatch.chdir(tmp_path)
runner = CliRunner()
result = runner.invoke(nexquant_mod.app, [
"kronos-factor", "--context", "100", "--pred", "20", "--device", "cpu"
])
assert result.exit_code == 0, result.output
assert "saved" in result.output.lower()
def test_kronos_eval_runs_with_mock(self, tmp_path, monkeypatch):
"""kronos-eval completes and prints IC metrics when adapter is mocked."""
from typer.testing import CliRunner
import rdagent.components.coder.kronos_adapter as mod
import nexquant as nexquant_mod
monkeypatch.setattr(mod, "KronosAdapter", lambda **kw: _make_mock_adapter())
data_dir = tmp_path / "git_ignore_folder" / "factor_implementation_source_data"
data_dir.mkdir(parents=True)
_make_nexquant_hdf5(data_dir.parent.parent, n=400)
src = _make_nexquant_hdf5(tmp_path, n=400)
import shutil
shutil.copy(src, data_dir / "intraday_pv.h5")
monkeypatch.chdir(tmp_path)
runner = CliRunner()
result = runner.invoke(nexquant_mod.app, [
"kronos-eval", "--context", "100", "--pred", "20", "--device", "cpu"
])
assert result.exit_code == 0, result.output
assert "IC" in result.output