imccyu
2ee4cda066
Replace optional chains on always-present globals with the repo's typeof guards (store.ts precedent), drop the non-null assertion by failing loud on an impossible registry miss, and fix two arrow-parens slips; cover the no-localStorage boot path in both service suites.
103 lines
3.6 KiB
TypeScript
103 lines
3.6 KiB
TypeScript
// @vitest-environment jsdom
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import { beforeEach, describe, expect, it, vi } from 'vitest'
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import { Context } from 'cordis'
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import type { LocaleSnapshot } from '@deepseek-ai/dsh-client-locale/client'
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import { LocaleService, STORAGE_KEY } from '@deepseek-ai/dsh-client-locale/client'
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const make = (): { ctx: Context; svc: LocaleService; events: LocaleSnapshot[] } => {
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const ctx = new Context()
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const events: LocaleSnapshot[] = []
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ctx.on('locale/change', (snapshot) => { events.push(snapshot) })
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return { ctx, svc: new LocaleService(ctx), events }
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}
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describe('LocaleService', () => {
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beforeEach(() => {
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localStorage.clear()
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})
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it('translates through the active-locale -> zh -> key chain', () => {
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const { svc } = make()
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svc.register('ns', 'zh', { hello: '你好', onlyZh: '仅中文' })
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svc.register('ns', 'en', { hello: 'Hello' })
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const t = svc.bind('ns')
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expect(svc.getLocale().active).toBe('zh')
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expect(t('hello')).toBe('你好')
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svc.setLocale('en')
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expect(t('hello')).toBe('Hello')
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expect(t('onlyZh')).toBe('仅中文')
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expect(t('missing.key')).toBe('missing.key')
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})
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it('interpolates {name} params and leaves unknown placeholders intact', () => {
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const { svc } = make()
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svc.register('ns', 'zh', { greet: '你好，{name}！第 {n} 次', partial: '{known} 与 {unknown}' })
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const t = svc.bind('ns')
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expect(t('greet', { name: '世界', n: 2 })).toBe('你好，世界！第 2 次')
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expect(t('partial', { known: 'A' })).toBe('A 与 {unknown}')
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})
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it('bind returns a stable per-namespace function identity', () => {
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const { svc } = make()
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expect(svc.bind('a')).toBe(svc.bind('a'))
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expect(svc.bind('a')).not.toBe(svc.bind('b'))
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})
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it('rejects duplicate (ns, locale) and disposer only removes its own dict', () => {
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const { svc } = make()
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const dispose = svc.register('ns', 'zh', { k: 'v1' })
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expect(() => svc.register('ns', 'zh', { k: 'v2' })).toThrow('already has locale')
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dispose()
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const t = svc.bind('ns')
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expect(t('k')).toBe('k')
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svc.register('ns', 'zh', { k: 'v2' })
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expect(t('k')).toBe('v2')
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dispose()
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expect(t('k')).toBe('v2')
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})
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it('setLocale persists, republishes an immutable snapshot, and no-ops on same value', () => {
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const { svc, events } = make()
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svc.setLocale('en')
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expect(svc.getLocale().active).toBe('en')
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expect(localStorage.getItem(STORAGE_KEY)).toBe('en')
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expect(events).toHaveLength(1)
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expect(events[0]).toBe(svc.getLocale())
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expect(events[0]!.revision).toBe(1)
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svc.setLocale('en')
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expect(events).toHaveLength(1)
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})
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it('throws on unknown locale ids', () => {
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const { svc } = make()
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expect(() => { svc.setLocale('fr') }).toThrow('not registered')
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})
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it('restores a persisted locale and falls back to zh on garbage', () => {
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localStorage.setItem(STORAGE_KEY, 'en')
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expect(make().svc.getLocale().active).toBe('en')
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localStorage.setItem(STORAGE_KEY, 'fr')
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expect(make().svc.getLocale().active).toBe('zh')
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})
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it('runs without localStorage (node boots): defaults on read, no-op on write', () => {
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vi.stubGlobal('localStorage', undefined)
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try {
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const { svc } = make()
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expect(svc.getLocale().active).toBe('zh')
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svc.setLocale('en')
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expect(svc.getLocale().active).toBe('en')
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} finally {
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vi.unstubAllGlobals()
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}
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})
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it('exposes the two shipped locales with self-described labels', () => {
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const { svc } = make()
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expect(svc.getLocale().locales).toEqual([
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{ id: 'zh', label: '中文' },
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{ id: 'en', label: 'English' },
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])
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})
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})
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