feat(data): DataReader parquet 读取 → BarData

tests/data/conftest.py

@@ -1,3 +1,9 @@
+import sys
+from pathlib import Path
+
+# Add vnpy mock to path for imports
+sys.path.insert(0, str(Path(__file__).parent))
+
 import pandas as pd
 import pytest
 

tests/data/test_datareader.py

@@ -0,0 +1,24 @@
+import pandas as pd
+from vnpy_mock import Exchange, Interval
+from sanguo_data.config import DataConfig
+from sanguo_data.datareader import read_parquet_daily
+
+def test_read_parquet_daily_returns_bardata(tmp_path):
+    year_dir = tmp_path / "2026"
+    year_dir.mkdir()
+    df = pd.DataFrame({
+        "date": ["2026-01-05", "2026-01-06"],
+        "open": [10.0, 11.0], "high": [10.5, 11.5],
+        "low": [9.8, 10.8], "close": [10.2, 11.2],
+        "volume": [10000, 12000],
+    })
+    df.to_parquet(year_dir / "600000.parquet")
+
+    cfg = DataConfig(
+        data_paths={"daily_dir": str(tmp_path)},
+        data_sources={}, validation={}, performance={},
+    )
+    bars = read_parquet_daily("600000", "2026-01-01", "2026-12-31", cfg)
+    assert len(bars) == 2
+    assert bars[0].symbol == "600000"
+    assert bars[0].open_price == 10.0

tests/data/vnpy_mock.py

@@ -0,0 +1,34 @@
+"""Minimal vnpy mocks for testing"""
+from dataclasses import dataclass
+from datetime import datetime
+from enum import Enum
+
+class Exchange(Enum):
+    SSE = "SSE"
+    SZSE = "SZSE"
+    SHFE = "SHFE"
+    DCE = "DCE"
+    CZCE = "CZCE"
+    CFFEX = "CFFEX"
+    GFEX = "GFEX"
+    INE = "INE"
+
+class Interval(Enum):
+    MINUTE = "1m"
+    HOUR = "1h"
+    DAILY = "d"
+    WEEKLY = "w"
+    MONTHLY = "M"
+
+@dataclass
+class BarData:
+    symbol: str
+    exchange: Exchange
+    datetime: datetime
+    interval: Interval
+    open_price: float
+    high_price: float
+    low_price: float
+    close_price: float
+    volume: float
+    gateway_name: str