#428

frontend/src/pages/help/HelpChangesPage.test.tsx

@@ -8,7 +8,7 @@ import App from '@/App'
 import { helpFixture } from '@/test/helpFixtures'
 
 vi.hoisted (() => {
-  window.history.replaceState (null, '', '/help/changes')
+  window.history.replaceState (null, '', '/ja/help/changes')
 })
 
 vi.mock ('@/lib/help', async () => (await import ('@/test/helpFixtures')).helpFixture.api)
@@ -21,7 +21,10 @@ vi.mock ('@/lib/useClientBehaviourSettings', () => ({
 
 
 describe ('Help global edition history', () => {
-  beforeEach (() => helpFixture.reset ())
+  beforeEach (() => {
+    helpFixture.reset ()
+    vi.mocked (apiGet).mockResolvedValue ({ locales: [{ code: 'ja', name: '日本語' }] })
+  })
 
   it ('routes /help/changes to published editions in date and numeric order', async () => {
     const client = new QueryClient ({ defaultOptions: { queries: { retry: false } } })
@@ -31,12 +34,12 @@ describe ('Help global edition history', () => {
 	</QueryClientProvider>)
     const links = await screen.findAllByRole ('link')
     const editions = links.map (link => link.getAttribute ('href'))
-	.filter (href => href?.startsWith ('/help/') && href.includes ('edition='))
+	.filter (href => href?.startsWith ('/ja/help/') && href.includes ('edition='))
     expect (editions).toEqual ([
-	`/help/${encodeURIComponent ('設定 手順')}?edition=2026-10-03`,
-	'/help/guide?edition=2026-10-02.10', '/help/guide?edition=2026-10-02.3',
-	'/help/guide?edition=2026-10-02.2', '/help/guide?edition=2026-10-02',
-	'/help/guide?edition=2026-10-01'])
+	`/ja/help/${encodeURIComponent ('設定 手順')}?edition=2026-10-03`,
+	'/ja/help/guide?edition=2026-10-02.10', '/ja/help/guide?edition=2026-10-02.3',
+	'/ja/help/guide?edition=2026-10-02.2', '/ja/help/guide?edition=2026-10-02',
+	'/ja/help/guide?edition=2026-10-01'])
     expect (container).toHaveTextContent ('旧ホーム')
     expect (screen.getAllByRole ('columnheader').map (cell => cell.textContent))
 	.toEqual (['差分', 'タイトル', '有効開始年月日'])
@@ -45,11 +48,11 @@ describe ('Help global edition history', () => {
     expect (container.textContent).not.toMatch (/\d{1,2}:\d{2}/)
     expect (screen.getAllByRole ('link', { name: '差分' }).map (link =>
 	link.getAttribute ('href'))).toEqual ([
-	'/help/guide/diff?from=2026-10-02.3&to=2026-10-02.10',
-	'/help/guide/diff?from=2026-10-02.2&to=2026-10-02.3',
-	'/help/guide/diff?from=2026-10-02&to=2026-10-02.2',
-	'/help/guide/diff?from=2026-10-01&to=2026-10-02'])
-    expect (apiGet).not.toHaveBeenCalled ()
-    expect (window.location.pathname).toBe ('/help/changes')
+	'/ja/help/guide/diff?from=2026-10-02.3&to=2026-10-02.10',
+	'/ja/help/guide/diff?from=2026-10-02.2&to=2026-10-02.3',
+	'/ja/help/guide/diff?from=2026-10-02&to=2026-10-02.2',
+	'/ja/help/guide/diff?from=2026-10-01&to=2026-10-02'])
+    expect (apiGet).toHaveBeenCalledWith ('/locales')
+    expect (window.location.pathname).toBe ('/ja/help/changes')
   })
 })