feat(data): 移植 v1 validator + 适配接口 + 测试

tests/data/conftest.py

@@ -0,0 +1,19 @@
+import pandas as pd
+import pytest
+
+@pytest.fixture
+def good_daily_df():
+    return pd.DataFrame({
+        "date": ["2026-01-01", "2026-01-02"],
+        "open": [10.0, 11.0], "high": [10.5, 11.5],
+        "low": [9.8, 10.8], "close": [10.2, 11.2],
+        "volume": [10000, 12000],
+    })
+
+@pytest.fixture
+def bad_daily_df():
+    return pd.DataFrame({
+        "date": ["2026-01-01"],
+        "open": [0.0], "high": [0.0], "low": [0.0], "close": [0.0],
+        "volume": [100],
+    })

tests/data/test_validator.py

@@ -0,0 +1,7 @@
+from sanguo_data.validator import validate_daily
+
+def test_validate_daily_keeps_good_rows(good_daily_df):
+    assert len(validate_daily(good_daily_df)) == 2
+
+def test_validate_daily_drops_zero_price(bad_daily_df):
+    assert len(validate_daily(bad_daily_df)) == 0