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import { describe, expect, it } from 'vitest'
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import { computeAccordionToggle } from '@/layouts/useSidebarMenu'
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import type { SidebarMenuNode } from '@/types/menu'
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/**
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* 侧栏「手风琴模式」展开逻辑的回归用例。
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*
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* 背景(真实故障):点击二级分组(系统管理 → 日志)时,不是展开「日志」,
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* 而是整个「系统管理」收起。根因是 toggleGroup 用了整表替换
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* `openKeys = index === -1 ? [key] : []`,把祖先 key 一起删了;
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* 而子分组的容器挂在父级的 `v-show="isGroupOpen(父key)"` 上,
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* 祖先一丢,子分组连带整块 DOM 都被隐藏。
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*/
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/** 造一个叶子节点。放模块作用域:纯构造,不必每次调用重建。 */
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function leaf(key: string, title: string): SidebarMenuNode {
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return { key, title, path: `/${key}` }
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}
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/** 复刻 s_menu 真实结构:system → log → (log_login / log_audit) */
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function makeTree(): SidebarMenuNode[] {
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return [
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{
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key: 'approval',
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title: '审批中心',
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path: '/approval',
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children: [leaf('approval_todo', '我的待办'), leaf('approval_cc', '抄送我的')],
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},
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{
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key: 'system',
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title: '系统管理',
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path: '/system',
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children: [
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leaf('user', '用户管理'),
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{
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key: 'log',
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title: '日志',
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path: '/system/log',
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children: [leaf('log_login', '登录日志'), leaf('log_audit', '操作日志')],
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},
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],
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},
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]
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}
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describe('computeAccordionToggle(手风琴展开)', () => {
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it('展开二级分组时保留其祖先,父级不被收起(本次故障的回归点)', () => {
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const tree = makeTree()
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// 「系统管理」已展开,此时点击其子分组「日志」
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const next = computeAccordionToggle(tree, ['system'], 'log')
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expect(next).toContain('log')
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// 关键断言:祖先必须还在,否则「日志」的容器会被 v-show 隐藏
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expect(next).toContain('system')
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})
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it('展开二级分组时只收起同级的兄弟分组', () => {
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// system 下放两个同级分组:打开 log 应关掉 report,但不能关掉 system
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const withSibling: SidebarMenuNode[] = [
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{
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key: 'system',
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title: '系统管理',
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path: '/system',
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children: [
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{ key: 'log', title: '日志', path: '/system/log', children: [] },
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{ key: 'report', title: '报表', path: '/system/report', children: [] },
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],
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},
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]
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const next = computeAccordionToggle(withSibling, ['system', 'report'], 'log')
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expect(next).toContain('system')
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expect(next).toContain('log')
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expect(next).not.toContain('report')
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})
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it('展开顶级分组时收起其它顶级分组', () => {
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const tree = makeTree()
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const next = computeAccordionToggle(tree, ['approval'], 'system')
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expect(next).toContain('system')
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expect(next).not.toContain('approval')
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})
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it('再次点击已展开的分组会收起它自身(连同其子孙),但不动祖先', () => {
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const tree = makeTree()
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const next = computeAccordionToggle(tree, ['system', 'log'], 'log')
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expect(next).not.toContain('log')
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// 收起子分组不该连带收起父级
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expect(next).toContain('system')
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})
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it('展开顶级分组不会误删其它顶级分组下手动展开的深层项之外的祖先', () => {
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const tree = makeTree()
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// 系统管理 与 日志 都开着,此时点开「审批中心」
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const next = computeAccordionToggle(tree, ['system', 'log'], 'approval')
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expect(next).toContain('approval')
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expect(next).not.toContain('system')
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// system 被收起时,其子孙也应一并清掉,避免下次展开时残留
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expect(next).not.toContain('log')
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})
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})
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