Add e2e tests powered by playwright

.github/workflows/playwright.yml

@@ -0,0 +1,27 @@
+name: Playwright Tests
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+jobs:
+  test:
+    timeout-minutes: 60
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version-file: '.nvmrc'
+    - name: Install dependencies
+      run: corepack enable && pnpm install
+    - name: Install Playwright Browsers
+      run: pnpm exec playwright install --with-deps
+    - name: Run Playwright tests
+      run: pnpm exec playwright test
+    - uses: actions/upload-artifact@v4
+      if: ${{ !cancelled() }}
+      with:
+        name: playwright-report
+        path: playwright-report/
+        retention-days: 30

.gitignore

@@ -35,3 +35,7 @@ package-lock.json
 *.idea
 
 .astro
+/test-results/
+/playwright-report/
+/blob-report/
+/playwright/.cache/

e2e-tests/hp.e2e.test.ts

@@ -0,0 +1,30 @@
+import { test, expect } from '@playwright/test';
+
+test('italian HP is well formed', async ({ page }) => {
+  await page.goto('./');
+
+  const html = page.locator('html');
+  const lang = await html.getAttribute('lang');
+
+  expect(lang).toBe('it');
+  // Expect a title "to contain" a substring.
+  await expect(page).toHaveTitle(/La tech community di Javascript su Roma/);
+
+  const h1 = page.locator('h1');
+  await h1.isVisible();
+  await expect(h1).toHaveText(/La tech community di Javascript su Roma/);
+});
+
+test('english HP is well formed', async ({ page }) => {
+  await page.goto('./en');
+
+  const html = page.locator('html');
+  const lang = await html.getAttribute('lang');
+
+  expect(lang).toBe('en');
+  await expect(page).toHaveTitle(/The Javascript community in Rome/);
+
+  const h1 = page.locator('h1');
+  await h1.isVisible();
+  await expect(h1).toHaveText(/The Javascript community in Rome/);
+});

package.json

@@ -10,6 +10,8 @@
     "build": "npm run lint:ts && astro build",
     "astro:sync": "astro sync",
     "astro:upgrade": "pnpm dlx @astrojs/upgrade",
+    "test:e2e": "pnpm exec playwright test",
+    "test:e2e:ui": "pnpm exec playwright test --ui",
     "lint:ts": "tsc --noEmit",
     "lint:astro": "astro check",
     "create-post": "node scripts/create-post.mjs",
@@ -29,6 +31,8 @@
     "@astrojs/rss": "^4.0.7",
     "@astrojs/sitemap": "^3.1.6",
     "@astrojs/solid-js": "^4.4.1",
+    "@playwright/test": "^1.49.1",
+    "@types/node": "^22.10.2",
     "astro": "4.15.4",
     "astro-i18next": "1.0.0-beta.21",
     "chalk": "^5.0.1",

playwright.config.ts

@@ -0,0 +1,74 @@
+import { defineConfig, devices } from '@playwright/test';
+
+/**
+ * Read environment variables from file.
+ * https://github.com/motdotla/dotenv
+ */
+// import dotenv from 'dotenv';
+// import path from 'path';
+// dotenv.config({ path: path.resolve(__dirname, '.env') });
+
+const isCi = process.env.CI === 'true';
+const baseURL = 'http://localhost:4321/';
+/**
+ * See https://playwright.dev/docs/test-configuration.
+ */
+export default defineConfig({
+  testDir: './e2e-tests',
+  /* Run tests in files in parallel */
+  fullyParallel: true,
+  /* Fail the build on CI if you accidentally left test.only in the source code. */
+  forbidOnly: isCi,
+  /* Retry on CI only */
+  retries: isCi ? 1 : 0,
+  /* Opt out of parallel tests on CI. */
+  workers: isCi ? 1 : undefined,
+  /* Reporter to use. See https://playwright.dev/docs/test-reporters */
+  reporter: 'html',
+  /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
+  use: {
+    /* Base URL to use in actions like `await page.goto('/')`. */
+    baseURL,
+
+    /* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
+    trace: 'on-first-retry',
+  },
+
+  /* Configure projects for major browsers */
+  projects: [
+    {
+      name: 'chromium',
+      use: { ...devices['Desktop Chrome'] },
+    },
+    {
+      name: 'android(Pixel 7)',
+      use: { ...devices['Pixel 7'] },
+    },
+    /* Test against mobile viewports. */
+    // {
+    //   name: 'Mobile Chrome',
+    //   use: { ...devices['Pixel 5'] },
+    // },
+    // {
+    //   name: 'Mobile Safari',
+    //   use: { ...devices['iPhone 12'] },
+    // },
+
+    /* Test against branded browsers. */
+    // {
+    //   name: 'Microsoft Edge',
+    //   use: { ...devices['Desktop Edge'], channel: 'msedge' },
+    // },
+    // {
+    //   name: 'Google Chrome',
+    //   use: { ...devices['Desktop Chrome'], channel: 'chrome' },
+    // },
+  ],
+
+  /* Run your local dev server before starting the tests */
+  webServer: {
+    command: 'pnpm run build && pnpm run preview',
+    url: baseURL,
+    reuseExistingServer: !isCi,
+  },
+});