"""数据概览成本卡片统计逻辑提示回归测试。"""
import unittest
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
APP = (ROOT / 'static' / 'js' / 'app.js').read_text(encoding='utf-8')
CSS = (ROOT / 'static' / 'css' / 'style.css').read_text(encoding='utf-8')


class DashboardCostTooltipTest(unittest.TestCase):
    def test_all_nine_cost_rows_render_help_eye(self):
        self.assertIn('renderCostLogicEye(label)', APP)
        self.assertIn('stat-cost-eye', APP)
        cards = [
            "renderCostBreakdown(['总成本', '成品成本', '包材成本']",
            "renderCostBreakdown(['成品成本', '成品库存成本', '成品在途成本']",
            "renderCostBreakdown(['包材成本', '包材库存成本', '包材在途成本']",
        ]
        for card in cards:
            self.assertIn(card, APP)

    def test_each_unique_field_has_clear_logic(self):
        for label in ('总成本', '成品成本', '包材成本', '成品库存成本',
                      '成品在途成本', '包材库存成本', '包材在途成本'):
            self.assertIn("'%s': {" % label, APP)
        for section in ('计算公式：', '统计范围：', '特别说明：'):
            self.assertIn(section, APP)

    def test_tooltip_supports_hover_and_keyboard_focus(self):
        self.assertIn('tabindex="0"', APP)
        self.assertIn('.stat-cost-help:hover .stat-cost-tooltip', CSS)
        self.assertIn('.stat-cost-help:focus .stat-cost-tooltip', CSS)
        self.assertIn('role="tooltip"', APP)


if __name__ == '__main__':
    unittest.main()