"""AI封面生成 积分扣点单元测试 (#1895 P2 step 2.7)"""

from __future__ import annotations

from unittest.mock import MagicMock, patch

import pytest

import packages.middleware.points_gate as _pg_module


@pytest.fixture(autouse=True)
def _enable(monkeypatch):
    monkeypatch.setattr(_pg_module, "_points_gate_enabled", lambda: True)
    yield


class TestGenerationCoverPoints:
    def test_ai_cover_cost(self):
        from packages.domain.points_rules import calculate_points_cost

        assert calculate_points_cost("ai_cover", is_member=False) == 2
        assert calculate_points_cost("ai_cover", is_member=True, member_type="yearly") >= 0

    def test_decorator_attached(self):
        from app.api.routes.generation_cover import generate_cover

        assert hasattr(generate_cover, "__wrapped__"), "missing @points_gate"