chore: directory migration - gateway→server, web→client/electron
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45
client/electron/test/components/setup.ts
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45
client/electron/test/components/setup.ts
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import { afterEach, expect } from 'vitest';
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import { cleanup } from '@testing-library/react';
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import * as matchers from '@testing-library/jest-dom/matchers';
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/**
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* 组件测试的全局准备。
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*
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* 三件事,每件都对应一类会串味的状态:
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* 1. 每个用例后卸载组件树(不卸载的话下一个用例的 getByText 会命中上一个的 DOM)
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* 2. 重置 zustand store(它是模块级单例,跨用例共享)
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* 3. 提供 matchMedia —— jsdom 没有实现它,而 useIsNarrow 直接调
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*/
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expect.extend(matchers);
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afterEach(() => {
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cleanup();
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});
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/**
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* jsdom 不实现 matchMedia。useIsNarrow 会直接调它并挂 change 监听,
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* 缺了就抛 `matchMedia is not a function`,整个测试文件挂掉。
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*
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* 默认返回 false(宽屏)。要测窄屏的用例用 setViewport(true) 覆盖。
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*/
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function installMatchMedia(narrow: boolean) {
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const listeners = new Set<(e: MediaQueryListEvent) => void>();
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(window as any).matchMedia = (query: string) => ({
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matches: narrow,
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media: query,
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onchange: null,
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addEventListener: (_: string, cb: (e: MediaQueryListEvent) => void) => listeners.add(cb),
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removeEventListener: (_: string, cb: (e: MediaQueryListEvent) => void) => listeners.delete(cb),
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// 老式 API,某些库仍在用
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addListener: (cb: (e: MediaQueryListEvent) => void) => listeners.add(cb),
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removeListener: (cb: (e: MediaQueryListEvent) => void) => listeners.delete(cb),
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dispatchEvent: () => false
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});
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}
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installMatchMedia(false);
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/** 让当前测试文件里的组件按窄屏/宽屏渲染。在 render 之前调。 */
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export function setViewport(narrow: boolean) {
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installMatchMedia(narrow);
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}
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