80 lines
3.4 KiB
JavaScript
80 lines
3.4 KiB
JavaScript
/**
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* `src/web/locale-pref.ts` —— 语言偏好写进 `settings.yaml` 的**按行对账**逻辑。
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*
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* 为什么专门测它：这个函数**直接改用户的 `settings.yaml`** —— 写坏了 dsh 会拒绝加载整个文档
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* （用户实例直接起不来）。所以这里钉的是三件事：
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* · 只碰 `locale.preference` 那两行，**其它块 / 注释 / 顺序一律原样保留**；
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* · 幂等（值相同 ⇒ `changed: false`，调用方据此跳过写盘）；
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* · 行尾风格跟着原文件走（CRLF 文件不会被写成混合行尾）。
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*/
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import { test } from 'node:test'
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import assert from 'node:assert/strict'
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import { LOCALE_IDS, isLocaleId, reconcileLocalePreference } from '../lib/web/locale-pref.js'
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test('LOCALE_IDS 与官方 dsh-client-locale 一致（en 是官方 FALLBACK）', () => {
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assert.deepEqual([...LOCALE_IDS], ['en', 'zh'])
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assert.equal(isLocaleId('en'), true)
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assert.equal(isLocaleId('zh'), true)
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assert.equal(isLocaleId('ja'), false)
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assert.equal(isLocaleId(''), false)
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assert.equal(isLocaleId(undefined), false)
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})
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test('空文档 ⇒ 建出 locale 块', () => {
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const r = reconcileLocalePreference('', 'zh')
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assert.equal(r.changed, true)
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assert.equal(r.text, 'locale:\n preference: zh\n')
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})
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test('没有 locale 块 ⇒ 追加，且不动已有内容', () => {
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const src = 'llm-pi-ai:\n providers:\n my-gw:\n baseURL: https://x\n'
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const r = reconcileLocalePreference(src, 'zh')
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assert.equal(r.changed, true)
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assert.ok(r.text.startsWith(src), '原有内容必须原样在前')
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assert.ok(r.text.includes('locale:\n preference: zh'))
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})
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test('已有 locale 块但没有 preference ⇒ 紧跟块头插入一行', () => {
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const src = 'locale:\n other: keep\nfoo: bar\n'
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const r = reconcileLocalePreference(src, 'zh')
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assert.equal(r.text, 'locale:\n preference: zh\n other: keep\nfoo: bar\n')
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})
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test('值不同 ⇒ 原地替换（只改那一行）', () => {
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const src = 'a: 1\nlocale:\n preference: en\nb: 2\n'
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const r = reconcileLocalePreference(src, 'zh')
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assert.equal(r.changed, true)
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assert.equal(r.text, 'a: 1\nlocale:\n preference: zh\nb: 2\n')
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})
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test('值相同 ⇒ 幂等（changed: false，文本一字不动）', () => {
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const src = 'locale:\n preference: zh\n'
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const r = reconcileLocalePreference(src, 'zh')
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assert.equal(r.changed, false)
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assert.equal(r.text, src)
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})
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test('注释与其它块一律保留', () => {
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const src = '# 我自己的注释\nllm-pi-ai:\n # 内层注释\n providers: {}\nlocale:\n preference: en\n'
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const r = reconcileLocalePreference(src, 'zh')
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assert.ok(r.text.includes('# 我自己的注释'))
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assert.ok(r.text.includes(' # 内层注释'))
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assert.ok(r.text.includes(' preference: zh'))
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assert.equal(r.text.split('\n').length, src.split('\n').length, '行数不变（没多写也没少写）')
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})
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test('CRLF 文档 ⇒ 保持 CRLF（不产生混合行尾）', () => {
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const src = 'a: 1\r\nlocale:\r\n preference: en\r\n'
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const r = reconcileLocalePreference(src, 'zh')
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assert.ok(r.text.includes(' preference: zh\r\n'))
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assert.equal(r.text.includes('\n\n'), false)
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assert.equal(r.text.replace(/\r\n/g, '').includes('\n'), false, '不许出现裸 LF')
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})
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test('两次调用等价（第二次不再 changed）', () => {
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const first = reconcileLocalePreference('x: 1\n', 'zh')
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const second = reconcileLocalePreference(first.text, 'zh')
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assert.equal(second.changed, false)
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assert.equal(second.text, first.text)
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})
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