59 lines
2.3 KiB
TypeScript
59 lines
2.3 KiB
TypeScript
/**
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* 环境隔离测试 — 需要切换 document/window/localStorage 环境并调用 jest.resetModules()。
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* 独立成文件：resetModules 会清空模块缓存，若与其他测试同文件会导致
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* 后续 require 拿到新模块实例、与 import 时绑定的实例状态分裂。
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* 注：jsdom 以 getter 暴露 document/window，普通赋值无效，须用 defineProperty 覆盖。
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* @module tests
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* @version 0.5.0
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*/
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/** 临时移除全局对象，返回恢复函数 */
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const hideGlobal = (key: string): (() => void) => {
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const desc = Object.getOwnPropertyDescriptor(global, key);
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Object.defineProperty(global, key, { value: undefined, configurable: true, writable: true });
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return () => {
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if (desc) Object.defineProperty(global, key, desc);
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else delete (global as Record<string, unknown>)[key];
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};
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};
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describe('环境隔离（SSR / localStorage 异常路径）', () => {
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test('escapeHTML SSR 路径（无 document）', () => {
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const restore = hideGlobal('document');
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jest.resetModules();
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const { escapeHTML } = require('../src/utils.js');
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const result = escapeHTML('<script>alert("xss")</script>');
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expect(result).not.toContain('<script>');
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expect(result).toContain('<script>');
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restore();
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});
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test('prefersDark 无 window 时返回 false', () => {
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const restore = hideGlobal('window');
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jest.resetModules();
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const { prefersDark } = require('../src/utils.js');
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expect(prefersDark()).toBe(false);
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restore();
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});
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test('saveTheme localStorage 异常被捕获', () => {
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const orig = (global as Record<string, unknown>).localStorage;
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(global as Record<string, unknown>).localStorage = undefined;
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jest.resetModules();
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const { saveTheme } = require('../src/themes.js');
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expect(() => saveTheme('dark')).not.toThrow();
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(global as Record<string, unknown>).localStorage = orig;
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});
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test('loadLocale localStorage 异常返回 default', () => {
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const orig = (global as Record<string, unknown>).localStorage;
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(global as Record<string, unknown>).localStorage = {
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getItem: () => { throw new Error('quota'); },
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};
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jest.resetModules();
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const { loadLocale } = require('../src/i18n.js');
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expect(typeof loadLocale()).toBe('string');
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(global as Record<string, unknown>).localStorage = orig;
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});
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});
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