blog/tests/e2e/i18n.spec.ts

import { expect, test } from '@playwright/test'

test('English home page renders in English', async ({ page }) => {
  await page.goto('/en')

  await expect(page.locator('html')).toHaveAttribute('lang', 'en')
  await expect(page.getByRole('link', { name: 'Read the latest article' })).toBeVisible()
})

test('English blog archive lists only translated articles', async ({ page }) => {
  await page.goto('/en/blog')

  await expect(page.getByRole('link', { name: 'Published article' })).toBeVisible()
  await expect(page.getByText('Secondo articolo pubblicato')).toHaveCount(0)
})

test('translated article renders in English at the /en prefix', async ({ page }) => {
  await page.goto('/en/blog/articolo-pubblicato')

  await expect(page.getByRole('heading', { level: 1, name: 'Published article' })).toBeVisible()
  await expect(page.locator('.prose strong')).toHaveText('markdown')
})

test('an untranslated article 404s under /en', async ({ page }) => {
  const response = await page.goto('/en/blog/secondo-articolo')

  expect(response?.status()).toBe(404)
})

test('language switch links to the English version of a translated article', async ({ page }) => {
  await page.goto('/blog/articolo-pubblicato')

  const languageSwitch = page.getByRole('link', { name: 'English' })
  await expect(languageSwitch).toHaveAttribute('href', '/en/blog/articolo-pubblicato')
})

test('language switch falls back to the English blog index for an untranslated article', async ({ page }) => {
  await page.goto('/blog/secondo-articolo')

  const languageSwitch = page.getByRole('link', { name: 'English' })
  await expect(languageSwitch).toHaveAttribute('href', '/en/blog')
})

test('the corralito page has an English translation', async ({ page }) => {
  await page.goto('/come-difendersi-dal-corralito')

  const languageSwitch = page.getByRole('link', { name: 'English' })
  await expect(languageSwitch).toHaveAttribute('href', '/en/come-difendersi-dal-corralito')

  await page.goto('/en/come-difendersi-dal-corralito')
  await expect(
    page.getByRole('heading', { level: 1, name: 'How to protect yourself from the corralito' })
  ).toBeVisible()
})