integration: add Playwright, axe and Lighthouse CI gates

Lock SEO, accessibility and crawlability with headless browser checks so regressions fail before a merge instead of after publication. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-25 18:28:24 +02:00
parent 46c86447d1
commit 34367181d2
16 changed files with 3715 additions and 22 deletions
--- a/e2e/seo.e2e.ts
+++ b/e2e/seo.e2e.ts
@@ -0,0 +1,74 @@
+import { expect, test } from '@playwright/test';
+import { SITE_CONTENT_DATA } from '../src/app/core/content/site-content';
+import { expectHead, jsonLdGraph, pagePath } from './helpers';
+
+test.describe('server-rendered metadata', () => {
+  test('German and English Home include the full head contract', async ({ request, page }) => {
+    await expectHead(request, 'home', 'de');
+    await expectHead(request, 'home', 'en');
+
+    await page.goto('/');
+    const graph = (await jsonLdGraph(page)) as { '@graph': Array<{ '@type': string }> };
+    const types = graph['@graph'].map((node) => node['@type']);
+    expect(types).toContain('Person');
+    expect(types).toContain('ProfessionalService');
+
+    await page.goto('/en');
+    const english = (await jsonLdGraph(page)) as { '@graph': Array<{ '@type': string }> };
+    expect(english['@graph'].map((node) => node['@type'])).toEqual(
+      expect.arrayContaining(['Person', 'ProfessionalService']),
+    );
+  });
+
+  test('projects, AI service, contact, legal and 404 keep locale metadata', async ({ request }) => {
+    for (const locale of ['de', 'en'] as const) {
+      await expectHead(request, 'projects', locale);
+      await expectHead(request, 'servicesAi', locale);
+      await expectHead(request, 'contact', locale);
+      await expectHead(request, 'imprint', locale);
+      await expectHead(request, 'notFound', locale);
+    }
+  });
+
+  test('client navigation does not duplicate head tags', async ({ page }) => {
+    await page.goto('/');
+    await page.locator('a.contact-cta').first().waitFor();
+
+    const assertUnique = async (canonical: string, description: string) => {
+      await expect(page.locator('link[rel="canonical"]')).toHaveCount(1);
+      await expect(page.locator('link[rel="alternate"][hreflang="de-DE"]')).toHaveCount(1);
+      await expect(page.locator('link[rel="alternate"][hreflang="en"]')).toHaveCount(1);
+      await expect(page.locator('link[rel="alternate"][hreflang="x-default"]')).toHaveCount(1);
+      await expect(page.locator('meta[name="description"]')).toHaveCount(1);
+      await expect(page.locator('meta[name="robots"]')).toHaveCount(1);
+      await expect(page.locator('script[type="application/ld+json"]')).toHaveCount(1);
+      await expect(page.locator('link[rel="canonical"]')).toHaveAttribute('href', canonical);
+      await expect(page.locator('meta[name="description"]')).toHaveAttribute(
+        'content',
+        description,
+      );
+    };
+
+    await page
+      .locator(`a[href="${pagePath('projects', 'de')}"]`)
+      .first()
+      .click();
+    await page.waitForURL('**/projekte');
+    await assertUnique(
+      'https://antoniolede.de/projekte',
+      SITE_CONTENT_DATA.de.pages.projects.description,
+    );
+
+    await page
+      .locator(`a[href="${pagePath('servicesAi', 'de')}"]`)
+      .first()
+      .click();
+    await page.waitForURL('**/leistungen/ai-integration');
+    await expect(page.locator('link[rel="canonical"]')).toHaveCount(1);
+    await expect(page.locator('link[rel="canonical"]')).toHaveAttribute(
+      'href',
+      'https://antoniolede.de/leistungen/ai-integration',
+    );
+    await expect(page.locator('script[type="application/ld+json"]')).toHaveCount(1);
+  });
+});