feat(backtest): 个股回测接入费用(cfg通道)+slippage+benchmark放宽至4基准 [vps]

tests/api/test_submit_cta_fees.py

@@ -0,0 +1,36 @@
+"""Tests for 个股回测费用接入 + benchmark 放宽 (Task D).
+
+schema 层本地可跑(pydantic)；_build_fee_cfg 走 routes→auth→jwt，需 NAS docker 或齐后端 venv。
+"""
+from sanguo_api.schemas import CtaBacktestRequest
+
+
+def test_slippage_field_present():
+    req = CtaBacktestRequest(
+        symbol="600519.SH", strategy="DoubleMaStrategy", start="2024-01-02", end="2024-06-28",
+        slippage=0.001,
+    )
+    assert req.slippage == 0.001
+    assert req.commission_rate == 0.00025  # 默认仍在
+
+
+def test_benchmark_accepts_four_values():
+    for b in ("hs300", "zz500", "zz1000", "zz2000"):
+        req = CtaBacktestRequest(
+            symbol="600519.SH", strategy="DoubleMaStrategy",
+            start="2024-01-02", end="2024-06-28", benchmark=b,
+        )
+        assert req.benchmark == b
+
+
+def test_build_fee_cfg_carries_all_fields():
+    from sanguo_api.routes import _build_fee_cfg
+    req = CtaBacktestRequest(
+        symbol="600519.SH", strategy="DoubleMaStrategy", start="2024-01-02", end="2024-06-28",
+        commission_rate=0.0003, stamp_duty_rate=0.001, slippage=0.001,
+    )
+    cfg = _build_fee_cfg(req)
+    assert cfg["commission_rate"] == 0.0003
+    assert cfg["stamp_duty_rate"] == 0.001
+    assert cfg["slippage"] == 0.001
+    assert "min_commission" in cfg and "transfer_fee_rate" in cfg