115 lines
3.5 KiB
JavaScript
115 lines
3.5 KiB
JavaScript
import { describe, it, expect, beforeEach } from 'vitest'
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import * as fc from 'fast-check'
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import { createI18n } from 'vue-i18n'
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import zhCN from '../i18n/zh-CN.js'
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import zhTW from '../i18n/zh-TW.js'
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import en from '../i18n/en.js'
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import { SUPPORTED_LOCALES } from '../i18n/index.js'
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import { setStorage, getStorage, LOCALE_KEY } from '../utils/storage.js'
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// 所有语言包
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const messages = { 'zh-CN': zhCN, 'zh-TW': zhTW, 'en': en }
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/**
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* 递归收集所有翻译键（扁平化为 "a.b.c" 格式）
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*/
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function collectKeys(obj, prefix = '') {
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let keys = []
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for (const key of Object.keys(obj)) {
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const fullKey = prefix ? `${prefix}.${key}` : key
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if (typeof obj[key] === 'object' && obj[key] !== null) {
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keys = keys.concat(collectKeys(obj[key], fullKey))
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} else {
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keys.push(fullKey)
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}
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}
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return keys
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}
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/**
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* 根据扁平键从对象中取值
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*/
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function getNestedValue(obj, path) {
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return path.split('.').reduce((acc, part) => acc && acc[part], obj)
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}
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// 收集所有翻译键（以zh-CN为基准）
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const allKeys = collectKeys(zhCN)
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describe('Property 1: 语言切换翻译正确性', () => {
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/**
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* **Feature: mobile-app, Property 1: 语言切换翻译正确性**
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* **Validates: Requirements 1.2**
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*
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* 对于任意支持的语言locale和任意翻译键key，切换到该locale后，
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* 翻译函数t(key)应返回该语言对应的非空文本。
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*/
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it('切换到任意支持语言后，翻译函数返回对应的非空文本', () => {
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const localeArb = fc.constantFrom(...SUPPORTED_LOCALES)
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const keyArb = fc.constantFrom(...allKeys)
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fc.assert(
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fc.property(localeArb, keyArb, (locale, key) => {
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const i18n = createI18n({
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legacy: false,
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locale,
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messages
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})
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const result = i18n.global.t(key)
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// 翻译结果应为非空字符串
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expect(typeof result).toBe('string')
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expect(result.length).toBeGreaterThan(0)
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// 翻译结果应等于该语言包中的原始值（不含插值参数的情况下）
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const expected = getNestedValue(messages[locale], key)
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if (expected !== undefined && !String(expected).includes('{')) {
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expect(result).toBe(String(expected))
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}
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}),
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{ numRuns: 200 }
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)
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})
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})
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describe('Property 2: 语言设置持久化Round-Trip', () => {
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/**
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* **Feature: mobile-app, Property 2: 语言设置持久化Round-Trip**
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* **Validates: Requirements 1.4, 1.5**
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*
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* 对于任意支持的语言locale，设置语言后持久化到本地存储，
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* 再从本地存储读取并初始化，最终的locale应等于最初设置的值。
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*/
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let mockStorage = {}
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beforeEach(() => {
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mockStorage = {}
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globalThis.uni = {
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setStorageSync: (key, value) => { mockStorage[key] = value },
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getStorageSync: (key) => mockStorage[key] || '',
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removeStorageSync: (key) => { delete mockStorage[key] },
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getSystemInfoSync: () => ({ language: 'zh-CN' })
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}
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})
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it('设置语言后持久化再读取，locale保持一致', () => {
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const localeArb = fc.constantFrom(...SUPPORTED_LOCALES)
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fc.assert(
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fc.property(localeArb, (targetLocale) => {
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// 步骤1：持久化语言设置
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setStorage(LOCALE_KEY, targetLocale)
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// 步骤2：从存储中读取
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const restored = getStorage(LOCALE_KEY)
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// 验证：读取的值应等于设置的值
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expect(restored).toBe(targetLocale)
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}),
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{ numRuns: 100 }
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)
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})
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})
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