42 lines
1.8 KiB
TypeScript
42 lines
1.8 KiB
TypeScript
import { describe, expect, it } from 'vitest';
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import type { DockTab } from '../../store/app/appTypes';
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import { MAX_DOCK_TABS, upsertDockTab } from './dockTabs';
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const tab = (key: string, label = key): DockTab => ({ key, label });
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describe('upsertDockTab', () => {
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it('追加新页签', () => {
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expect(upsertDockTab([], '/students', '学生管理')).toEqual([tab('/students', '学生管理')]);
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});
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it('标题未变时保持原引用，避免无谓渲染', () => {
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const tabs = [tab('/students', '学生管理')];
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expect(upsertDockTab(tabs, '/students', '学生管理')).toBe(tabs);
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});
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it('菜单标题变化时更新页签标题', () => {
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const tabs = [tab('/students', '学生管理')];
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expect(upsertDockTab(tabs, '/students', '学生档案')).toEqual([tab('/students', '学生档案')]);
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});
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it('超过上限时保留当前页签 + 最新页签（LRU 淘汰最旧）', () => {
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const tabs = Array.from({ length: MAX_DOCK_TABS }, (_, i) => tab(`/p${i + 1}`));
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const next = upsertDockTab(tabs, '/new', '新页');
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expect(next).toHaveLength(MAX_DOCK_TABS);
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expect(next[0]).toEqual(tab('/new', '新页'));
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expect(next[next.length - 1]).toEqual(tab(`/p${MAX_DOCK_TABS}`));
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expect(next.some((t) => t.key === '/p1')).toBe(false);
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});
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it('恢复持久化的超量页签时压缩到上限，并保留当前页', () => {
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const tabs = Array.from({ length: 25 }, (_, i) => tab(`/p${i + 1}`));
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tabs.push(tab('/wallets', '学生余额'));
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const next = upsertDockTab(tabs, '/wallets', '学生余额');
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expect(next).toHaveLength(MAX_DOCK_TABS);
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expect(next[0]).toEqual(tab('/wallets', '学生余额'));
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expect(next.some((t) => t.key === '/p1')).toBe(false);
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expect(next.some((t) => t.key === '/p6')).toBe(false);
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expect(next.some((t) => t.key === '/p7')).toBe(true);
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});
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});
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