#428

backend/spec/services/certified_tag_name_translations_spec.rb

@@ -0,0 +1,116 @@
+require 'rails_helper'
+require 'tempfile'
+
+RSpec.describe CertifiedTagNameTranslations do
+  let!(:language) { Language.create!(code: 'ain', name: 'ain') }
+  let!(:script) { Script.create!(code: 'Kana', name: 'Kana') }
+  let!(:tag) { create(:tag, primary_name: 'source') }
+  let(:entries) { [{ 'ja' => 'source', 'ain-Kana' => 'レ_ハイタ' }] }
+  let(:document) do
+    { 'format' => described_class::FORMAT,
+      'source_locale' => 'ja', 'target_locale' => 'ain-Kana', 'entries' => entries }
+  end
+  let(:locale) do
+    Locale.new(code: 'ain-Kana', language_code: 'ain', script_code: 'Kana',
+               region_code: 392, variants: '', name: 'Ainu')
+  end
+
+  around do |example|
+    Tempfile.create(['certified-names', '.json']) do |file|
+      @path = file.path
+      example.run
+    end
+  end
+
+  def write_document
+    File.write(@path, JSON.generate(document))
+    locale.certified_tag_names_path = @path
+  end
+
+  it 'registers certified names before automatic names and records their provenance' do
+    other = create(:tag, primary_name: 'レ_ハイタ')
+    write_document
+
+    locale.save!
+
+    expect(tag.reload.tag_name('ain')).to have_attributes(
+        name: 'レ_ハイタ', primary_flg: true, auto_generated: false)
+    expect(other.reload.tag_name('ain')).to have_attributes(
+        name: "Tag_##{ other.id }", auto_generated: true)
+    version = tag.tag_versions.order(:version_no).last
+    expect(version.created_by_user_id).to be_nil
+    expect(version.names.fetch('ain')).to include(
+        'name' => 'レ_ハイタ', 'auto_generated' => false)
+  end
+
+  it 'skips missing sources without rolling back the locale or matching entries' do
+    entries.unshift({ 'ja' => 'missing', 'ain-Kana' => 'unused' })
+    write_document
+
+    locale.save!
+
+    expect(locale).to be_persisted
+    expect(tag.reload.name('ain')).to eq('レ_ハイタ')
+    expect(TagName.exists?(language_code: 'ain', name: 'unused')).to be(false)
+  end
+
+  it 'matches source names exactly rather than using a case-insensitive collation' do
+    entries.first['ja'] = 'SOURCE'
+    write_document
+
+    expect(described_class.load!(@path, locale:)).to eq({})
+  end
+
+  it 'rejects ambiguous primary matches' do
+    write_document
+    relation = instance_double(ActiveRecord::Relation)
+    allow(TagName).to receive(:where).with(
+        language_code: 'ja', primary_flg: true, name: ['source']).and_return(relation)
+    allow(relation).to receive(:pluck).with(:name, :tag_id)
+        .and_return([['source', tag.id], ['source', tag.id + 1]])
+
+    expect { described_class.load!(@path, locale:) }
+        .to raise_error(described_class::Error, /source.*exactly one tag/)
+  end
+
+  it 'rejects duplicate sources and identifies the offending name' do
+    entries.push({ 'ja' => 'source', 'ain-Kana' => 'another' })
+    write_document
+
+    expect { locale.save! }.to raise_error(described_class::Error, /duplicate source.*source/)
+    expect(Locale.exists?(code: 'ain-Kana')).to be(false)
+  end
+
+  it 'rejects duplicate targets even when a source is missing' do
+    entries.push({ 'ja' => 'missing', 'ain-Kana' => 'レ_ハイタ' })
+    write_document
+
+    expect { locale.save! }.to raise_error(described_class::Error, /duplicate target.*レ_ハイタ/)
+    expect(Locale.exists?(code: 'ain-Kana')).to be(false)
+  end
+
+  it 'rolls back names and histories if a later certified name is invalid' do
+    create(:tag, primary_name: 'second')
+    entries.push({ 'ja' => 'second', 'ain-Kana' => 'nico:invalid' })
+    write_document
+    original_versions = TagVersion.order(:id).map(&:attributes)
+
+    expect { locale.save! }.to raise_error(described_class::Error, /nico:invalid/)
+
+    expect(Locale.exists?(code: 'ain-Kana')).to be(false)
+    expect(TagName.where(language_code: 'ain')).to be_empty
+    expect(TagVersion.order(:id).map(&:attributes)).to eq(original_versions)
+  end
+
+  it 'does not add names or versions on repeated completion' do
+    write_document
+    locale.save!
+    original_names = TagName.order(:id).map(&:attributes)
+    original_versions = TagVersion.order(:id).map(&:attributes)
+
+    TagNameCompletion.for_locale!(locale)
+
+    expect(TagName.order(:id).map(&:attributes)).to eq(original_names)
+    expect(TagVersion.order(:id).map(&:attributes)).to eq(original_versions)
+  end
+end

frontend/src/components/LocalisedText.test.tsx

@@ -0,0 +1,47 @@
+import { render } from '@testing-library/react'
+import { describe, expect, it } from 'vitest'
+
+import LocalisedText from '@/components/LocalisedText'
+
+
+describe ('LocalisedText', () => {
+  it.each ([
+      ['ネコ　チャペ', ['ネコ', 'チャペ']],
+      ['ネコ、チャペ', ['ネコ、', 'チャペ']],
+      ['著作者人格権、商標権、肖像権、パブリシティー権',
+       ['著作者人格権、', '商標権、', '肖像権、', 'パブリシティー権']],
+      ['ネコ、チャペ。', ['ネコ、', 'チャペ。']],
+      ['ネコ、「チャペ」。', ['ネコ、', '「チャペ」。']],
+      ['ネコ，、」チャペ', ['ネコ，、」', 'チャペ']]]) (
+      'adds word boundaries without changing %s', (text, words) => {
+	const { container } = render (<LocalisedText language="ain">{text}</LocalisedText>)
+	const wrapper = container.firstElementChild!
+	expect (wrapper).toHaveAttribute ('lang', 'ain-Kana')
+	expect (wrapper.textContent).toBe (text)
+	expect (Array.from (wrapper.querySelectorAll ('.ainu-ui-word'), node => node.textContent))
+	    .toEqual (words)
+	expect (wrapper.querySelectorAll ('wbr')).toHaveLength (words.length - 1)
+      })
+
+  it ('preserves Japanese fallback and links and code inside an Ainu paragraph', () => {
+    const { container } = render (
+	<LocalisedText language="ain">
+	  <span lang="ja">日本語、本文</span>
+	  <a href="https://example.com">ネコ　チャペ</a>
+	  <code>ネコ　チャペ</code>
+	  <strong>ネコ　チャペ</strong>
+	</LocalisedText>)
+    expect (container.querySelector ('[lang="ja"] .ainu-ui-word')).toBeNull ()
+    expect (container.querySelector ('a .ainu-ui-word')).toBeNull ()
+    expect (container.querySelector ('code .ainu-ui-word')).toBeNull ()
+    expect (container.querySelectorAll ('strong .ainu-ui-word')).toHaveLength (2)
+  })
+
+  it ('does not apply Ainu word splitting to Japanese text', () => {
+    const { container } = render (
+	<LocalisedText language="ja">ネコ、チャペ。</LocalisedText>)
+    expect (container.firstElementChild).toHaveAttribute ('lang', 'ja')
+    expect (container.querySelector ('.ainu-ui-word')).toBeNull ()
+    expect (container.textContent).toBe ('ネコ、チャペ。')
+  })
+})

frontend/src/lib/help.test.ts

@@ -29,7 +29,7 @@ describe ('Help file catalogue', () => {
 	const { api } = createHelpFixture ()
 	expect (api.parseHelpEdition (edition)).toEqual ({ date: '2026-10-02', revision })
 	const date = api.helpEditionDate (edition)!
-	expect ([date.getFullYear (), date.getMonth (), date.getDate ()]).toEqual ([2026, 9, 2])
+	expect (date.toISOString ()).toBe ('2026-10-01T15:00:00.000Z')
       })
 
   it.each (['missing', '2026-02-30', '2026-10-02.0', '2026-10-02.2.extra',
@@ -51,9 +51,9 @@ describe ('Help file catalogue', () => {
     expect ((await api.getHelpArticle ('guide'))?.languages.ja.currentEdition)
 	.toBe ('2026-10-02.10')
     expect (await api.getHelpSearchEntries ('ja')).toEqual ([
-	{ identifier: 'guide', edition: '2026-10-02.10',
+	{ identifier: 'guide', language: 'ja', edition: '2026-10-02.10',
 	  title: 'ホーム第十版', body: '\nタグを検索する 第十版本文' },
-	{ identifier: '設定 手順', edition: '2026-10-03',
+	{ identifier: '設定 手順', language: 'ja', edition: '2026-10-03',
 	  title: '設定', body: '\nタグを設定する' }])
   })
 
@@ -66,6 +66,15 @@ describe ('Help file catalogue', () => {
 	.not.toContain ('2026-10-02.11')
   })
 
+  it ('does not substitute Japanese articles, search or changes for missing Ainu content',
+      async () => {
+	const { api } = createHelpFixture ()
+	const article = await api.getHelpArticle ('guide')
+	expect (api.resolveHelpLanguage (article, 'ain')).toBeNull ()
+	expect (await api.getHelpSearchEntries ('ain')).toEqual ([])
+	expect (await api.getHelpChanges ('ain')).toEqual ([])
+      })
+
   it ('uses generated edition titles without reparsing raw sources', async () => {
     const { api, raw } = createHelpFixture ()
     expect (await api.getHelpEditionText ('guide', 'ja', '2026-10-01'))

frontend/src/lib/posts.test.ts

@@ -48,6 +48,7 @@ describe ('posts API functions', () => {
     expect (api.apiGet).toHaveBeenCalledWith (
         '/posts',
         {
+          locale: 'ja',
           params: {
             title:                 'title',
             tags:                  'a b',
@@ -89,6 +90,7 @@ describe ('posts API functions', () => {
           original_created_before: '2026-01-02T00:00:00Z',
         },
         {
+          locale: 'ja',
           params: {
             base_version_no: '7',
             force:           '1',
@@ -113,7 +115,7 @@ describe ('posts API functions', () => {
 
     expect (api.apiGet).toHaveBeenCalledWith (
         '/posts/versions',
-        { params: { page: 2, limit: 50 } },
+        { locale: 'ja', params: { page: 2, limit: 50 } },
     )
   })
 
@@ -129,6 +131,7 @@ describe ('posts API functions', () => {
     expect (api.apiGet).toHaveBeenCalledWith (
 	'/posts/versions',
 	{
+	  locale: 'ja',
 	  params: {
 	    external_tag: '7',
 	    page:         2,

frontend/src/lib/queryKeys.test.ts

@@ -1,14 +1,46 @@
 import { describe, expect, it } from 'vitest'
+import { QueryClient } from '@tanstack/react-query'
 
 import { postsKeys, tagsKeys, wikiKeys } from '@/lib/queryKeys'
 
+import type { FetchNicoTagsParams } from '@/types'
+
 describe ('query keys', () => {
   it ('uses stable namespaces for posts, tags, and wiki', () => {
-    expect (postsKeys.show ('3')).toEqual (['posts', '3'])
-    expect (postsKeys.related ('3')).toEqual (['related', '3'])
-    expect (tagsKeys.deerjikists ('7')).toEqual (['tags', 'deerjikists', '7'])
+    expect (postsKeys.show ('3')).toEqual (['posts', 'ja', '3'])
+    expect (postsKeys.related ('3')).toEqual (['related', 'ja', '3'])
+    expect (tagsKeys.deerjikists ('7')).toEqual (['tags', 'ja', 'deerjikists', '7'])
     expect (wikiKeys.show ('Title', { version: '2' })).toEqual (
-        ['wiki', 'Title', { version: '2' }],
-    )
+        ['wiki', 'ja', 'Title', { version: '2' }])
+  })
+
+  it ('isolates the same resource by viewing locale', () => {
+    const client = new QueryClient ()
+    client.setQueryData (postsKeys.show ('3', 'ja'), { title: '日本語' })
+    client.setQueryData (postsKeys.show ('3', 'ain-Kana'), { title: 'アイヌ語' })
+
+    expect (client.getQueryData (postsKeys.show ('3', 'ja'))).toEqual ({ title: '日本語' })
+    expect (client.getQueryData (postsKeys.show ('3', 'ain-Kana')))
+	.toEqual ({ title: 'アイヌ語' })
+    client.clear ()
+  })
+
+  it ('invalidates both nico locales without invalidating ordinary tags', async () => {
+    const client = new QueryClient ()
+    const params: FetchNicoTagsParams = {
+	name: '', linkedTag: '', linkStatus: 'all', page: 1, limit: 20,
+	order: 'name:asc' }
+    const ja = tagsKeys.nicoIndex (params, 'ja')
+    const ain = tagsKeys.nicoIndex (params, 'ain-Kana')
+    const ordinary = tagsKeys.show ('3', 'ja')
+    for (const key of [ja, ain, ordinary])
+      client.setQueryData (key, [])
+
+    await client.invalidateQueries ({ queryKey: tagsKeys.nicoRoot })
+
+    expect (client.getQueryState (ja)?.isInvalidated).toBe (true)
+    expect (client.getQueryState (ain)?.isInvalidated).toBe (true)
+    expect (client.getQueryState (ordinary)?.isInvalidated).toBe (false)
+    client.clear ()
   })
 })

frontend/src/lib/remark-wiki-autolink.test.ts

@@ -4,65 +4,90 @@ import remarkWikiAutolink from '@/lib/remark-wiki-autolink'
 
 import type { Root } from 'mdast'
 
-describe ('remarkWikiAutolink', () => {
-  it ('links matching wiki page names and prefers longer matches', () => {
-    const tree: Root = {
-      type:     'root',
-      children: [{
-        type:     'paragraph',
-        children: [{ type: 'text', value: '虹夏 and 虹' }],
-      }],
-    }
+import type { WikiAutolinkCandidate } from '@/types'
 
-    remarkWikiAutolink (['虹', '虹夏']) (tree)
+
+const candidate = (
+    name: string,
+    resourceId: number,
+    overrides: Partial<WikiAutolinkCandidate> = {},
+): WikiAutolinkCandidate => ({
+    name, resourceId, tagId: resourceId + 100, tagDescriptionId: resourceId,
+    resourceType: 'tag_description', languageCode: 'ja', localeCode: 'ain-Kana',
+    ...overrides })
+
+
+const paragraph = (value: string): Root => ({
+    type: 'root', children: [{
+	type: 'paragraph', children: [{ type: 'text', value }] }] })
+
+
+describe ('remarkWikiAutolink', () => {
+  it ('prefers longer names and keeps the viewing locale for Japanese text', () => {
+    const tree = paragraph ('虹夏 and 虹')
+
+    remarkWikiAutolink ([candidate ('虹', 1), candidate ('虹夏', 2)],
+	'ja', 'ain-Kana') (tree)
 
     expect (tree.children[0]).toMatchObject ({
-      type:     'paragraph',
-      children: [
-        {
-          type:     'link',
-          url:      '/wiki/%E8%99%B9%E5%A4%8F',
-          children: [{ type: 'text', value: '虹夏' }],
-        },
-        { type: 'text', value: ' and ' },
-        {
-          type:     'link',
-          url:      '/wiki/%E8%99%B9',
-          children: [{ type: 'text', value: '虹' }],
-        },
-      ],
-    })
+	children: [
+	  { type: 'link', url: '/ain-Kana/wiki/2',
+	    children: [{ type: 'text', value: '虹夏' }] },
+	  { type: 'text', value: ' and ' },
+	  { type: 'link', url: '/ain-Kana/wiki/1',
+	    children: [{ type: 'text', value: '虹' }] }] })
   })
 
-  it ('does not link text inside existing links or code', () => {
+  it ('does not rewrite existing links, code or images', () => {
     const tree: Root = {
-      type:     'root',
-      children: [
-        {
-          type:     'paragraph',
-          children: [{
-            type:     'link',
-            url:      '/existing',
-            children: [{ type: 'text', value: '虹' }],
-          }],
-        },
-        {
-          type:  'code',
-          value: '虹',
-        },
-      ],
-    }
+	type: 'root', children: [
+	  { type: 'paragraph', children: [
+	    { type: 'link', url: '/existing', children: [{ type: 'text', value: '虹' }] },
+	    { type: 'inlineCode', value: '虹' },
+	    { type: 'image', url: '/image', alt: '虹' }] },
+	  { type: 'code', value: '虹' }] }
+    const original = structuredClone (tree)
 
-    remarkWikiAutolink (['虹']) (tree)
+    remarkWikiAutolink ([candidate ('虹', 1)], 'ja', 'ain-Kana') (tree)
 
+    expect (tree).toEqual (original)
+  })
+
+  it ('links an alias to its description rather than its tag ID or matched name', () => {
+    const tree = paragraph ('別名')
+    remarkWikiAutolink ([candidate ('別名', 9, { tagId: 123 })],
+	'ja', 'ain-Kana') (tree)
     expect (tree.children[0]).toMatchObject ({
-      type:     'paragraph',
-      children: [{
-        type:     'link',
-        url:      '/existing',
-        children: [{ type: 'text', value: '虹' }],
-      }],
-    })
-    expect (tree.children[1]).toMatchObject ({ type: 'code', value: '虹' })
+	children: [{ type: 'link', url: '/ain-Kana/wiki/9' }] })
+  })
+
+  it ('leaves ambiguous names and other locales or languages unlinked', () => {
+    const tree = paragraph ('虹 名前 name')
+    const original = structuredClone (tree)
+    remarkWikiAutolink ([candidate ('虹', 1), candidate ('虹', 2),
+	candidate ('名前', 3, { localeCode: 'ja' }),
+	candidate ('name', 4, { languageCode: 'ain' })], 'ja', 'ain-Kana') (tree)
+    expect (tree).toEqual (original)
+  })
+
+  it ('links Ainu words only at word boundaries', () => {
+    const tree = paragraph ('チャペ　チャペ。チャペア')
+    remarkWikiAutolink ([candidate ('チャペ', 5, { languageCode: 'ain' })],
+	'ain', 'ain-Kana') (tree)
+    expect (tree.children[0]).toMatchObject ({
+	children: [
+	  { type: 'link', url: '/ain-Kana/wiki/5' },
+	  { type: 'text', value: '　' },
+	  { type: 'link', url: '/ain-Kana/wiki/5' },
+	  { type: 'text', value: '。チャペア' }] })
+  })
+
+  it ('preserves tag-group resource identity', () => {
+    const tree = paragraph ('group')
+    remarkWikiAutolink ([candidate ('group', 8, {
+	resourceType: 'tag_group', tagId: null, tagDescriptionId: null })],
+	'ja', 'ain-Kana') (tree)
+    expect (tree.children[0]).toMatchObject ({
+	children: [{ type: 'link', url: '/ain-Kana/wiki/8' }] })
   })
 })

frontend/src/lib/tags.test.ts

@@ -45,6 +45,7 @@ describe ('tags API functions', () => {
     expect (api.apiGet).toHaveBeenCalledWith (
         '/tags',
         {
+          locale: 'ja',
           params: {
             name:           '虹',
             category:       'character',
@@ -68,7 +69,7 @@ describe ('tags API functions', () => {
 
     expect (api.apiGet).toHaveBeenCalledWith (
         '/tags',
-        { params: expect.objectContaining ({ deprecated: expected }) },
+        { locale: 'ja', params: expect.objectContaining ({ deprecated: expected }) },
     )
   })
 
@@ -91,6 +92,6 @@ describe ('tags API functions', () => {
     api.apiGet.mockRejectedValueOnce (error)
     await expect (fetchTagByName ('名前/#%')).rejects.toBe (error)
     expect (api.apiGet).toHaveBeenLastCalledWith (
-	`/tags/name/${ encodeURIComponent ('名前/#%') }`)
+	`/tags/name/${ encodeURIComponent ('名前/#%') }`, { locale: 'ja' })
   })
 })

frontend/src/lib/wiki.test.ts

@@ -21,11 +21,11 @@ describe ('wiki API functions', () => {
     expect (api.apiGet).toHaveBeenNthCalledWith (
 	1,
 	'/wiki',
-	{ params: { title: '虹' } })
+	{ locale: 'ja', params: { title: '虹' } })
     expect (api.apiGet).toHaveBeenNthCalledWith (
 	2,
 	'/wiki/1',
-	{ params: { version: '3' } })
+	{ locale: 'ja', params: { version: '3' } })
   })
 
   it ('encodes title path segments and returns null on misses', async () => {
@@ -38,7 +38,7 @@ describe ('wiki API functions', () => {
     expect (api.apiGet).toHaveBeenNthCalledWith (
 	1,
 	'/wiki/title/a%2Fb%20c',
-	{ params: { version: undefined } })
+	{ locale: 'ja', params: { version: undefined } })
   })
 
   it.each ([403, 500]) ('preserves HTTP %s errors', async status => {

frontend/src/test/helpFixtures.tsx

@@ -3,6 +3,8 @@ import { ModuleKind, ScriptTarget, transpileModule } from 'typescript'
 import { vi } from 'vitest'
 
 import source from '@/lib/help.ts?raw'
+import * as locales from '@/lib/locales'
+import * as queryKeys from '@/lib/queryKeys'
 
 import type { ComponentType } from 'react'
 
@@ -92,6 +94,10 @@ export const createHelpFixture = () => {
       loaders: vi.fn (() => loaders) }
   const api = { } as typeof Help
   const requireFixture = (name: string) => {
+    if (name === '@/lib/locales')
+      return locales
+    if (name === '@/lib/queryKeys')
+      return queryKeys
     const key = name.replace ('virtual:help/', '') as keyof typeof loads
     if (Object.hasOwn (loads, key))
       return loads[key] ()

frontend/src/test/render.tsx

@@ -21,11 +21,13 @@ const TestRoute = () => {
   const children = useContext (TestContentContext)
 
   return (
-      <UnsavedChangesGuardProvider>
-        <KeyboardShortcutsProvider>
-          {children}
-        </KeyboardShortcutsProvider>
-      </UnsavedChangesGuardProvider>)
+      <DialogueProvider>
+        <UnsavedChangesGuardProvider>
+	  <KeyboardShortcutsProvider>
+	    {children}
+	  </KeyboardShortcutsProvider>
+        </UnsavedChangesGuardProvider>
+      </DialogueProvider>)
 }
 
 export const renderWithProviders = (
@@ -46,11 +48,9 @@ export const renderWithProviders = (
     return (
 	<QueryClientProvider client={queryClient}>
 	  <HelmetProvider>
-	    <DialogueProvider>
 	      <TestContentContext.Provider value={children}>
 		<RouterProvider router={router}/>
 	      </TestContentContext.Provider>
-	    </DialogueProvider>
 	  </HelmetProvider>
 	</QueryClientProvider>)
   }