from app.services.altcoin_confirm import _apply_market_risk_entry_gate


def test_market_risk_gate_reduces_size_instead_of_blocking_when_critical():
    signals = ["15min即刻入场信号"]
    plan, reason = _apply_market_risk_entry_gate(
        {"entry_action": "可即刻买入", "entry_price": 1.0},
        signals,
        {"risk_level": "critical", "position_multiplier": 0.0},
    )

    assert plan["entry_action"] == "可即刻买入"
    assert plan["market_risk_gate"]["blocked_action"] == ""
    assert plan["market_risk_gate"]["final_action"] == "可即刻买入"
    assert plan["market_risk_gate"]["position_multiplier"] == 0.25
    assert "仓位" in reason
    assert any("市场风控闸门" in sig for sig in signals)


def test_market_risk_gate_keeps_observation_action_visible():
    signals = []
    plan, reason = _apply_market_risk_entry_gate(
        {"entry_action": "观察", "entry_price": 1.0},
        signals,
        {"risk_level": "critical", "position_multiplier": 0.0},
    )

    assert plan["entry_action"] == "观察"
    assert "market_risk_gate" not in plan
    assert reason == ""