AEO

tests/e2e/sitemap.spec.ts

@@ -0,0 +1,77 @@
+import { test, expect } from '@playwright/test';
+
+test.describe('Sitemap XML Validation', () => {
+  test('should serve valid sitemap.xml', async ({ page }) => {
+    const response = await page.goto('/sitemap.xml');
+    expect(response?.status()).toBe(200);
+    expect(response?.headers()['content-type']).toMatch(/xml/);
+    
+    const content = await page.textContent('urlset') || await page.textContent('body');
+    
+    // Should be valid XML
+    expect(content).toContain('<?xml version="1.0" encoding="UTF-8"?>');
+    expect(content).toContain('<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">');
+    expect(content).toContain('</urlset>');
+  });
+
+  test('should include all main pages with lastmod', async ({ page }) => {
+    await page.goto('/sitemap.xml');
+    
+    const content = await page.textContent('urlset') || await page.textContent('body');
+    
+    const expectedUrls = [
+      'https://energie-profis.de/',
+      'https://energie-profis.de/solar',
+      'https://energie-profis.de/wind',
+      'https://energie-profis.de/installateur-finden',
+      'https://energie-profis.de/kostenlose-beratung',
+      'https://energie-profis.de/unternehmen-listen'
+    ];
+
+    for (const url of expectedUrls) {
+      expect(content).toContain(`<loc>${url}</loc>`);
+    }
+
+    // Check for lastmod tags
+    expect(content).toMatch(/<lastmod>\d{4}-\d{2}-\d{2}<\/lastmod>/);
+  });
+
+  test('should have proper priority and changefreq values', async ({ page }) => {
+    await page.goto('/sitemap.xml');
+    
+    const content = await page.textContent('urlset') || await page.textContent('body');
+    
+    // Homepage should have highest priority
+    expect(content).toMatch(/https:\/\/energie-profis\.de\/<\/loc>[\s\S]*?<priority>1\.0<\/priority>/);
+    
+    // Should have valid changefreq values
+    const validChangeFreqs = ['always', 'hourly', 'daily', 'weekly', 'monthly', 'yearly', 'never'];
+    const changefreqMatches = content.match(/<changefreq>([^<]+)<\/changefreq>/g) || [];
+    
+    for (const match of changefreqMatches) {
+      const value = match.replace(/<\/?changefreq>/g, '');
+      expect(validChangeFreqs).toContain(value);
+    }
+  });
+
+  test('should have valid date format for lastmod', async ({ page }) => {
+    await page.goto('/sitemap.xml');
+    
+    const content = await page.textContent('urlset') || await page.textContent('body');
+    
+    // Extract all lastmod dates
+    const lastmodMatches = content.match(/<lastmod>([^<]+)<\/lastmod>/g) || [];
+    expect(lastmodMatches.length).toBeGreaterThan(0);
+    
+    for (const match of lastmodMatches) {
+      const dateString = match.replace(/<\/?lastmod>/g, '');
+      
+      // Should be in YYYY-MM-DD format (ISO date)
+      expect(dateString).toMatch(/^\d{4}-\d{2}-\d{2}$/);
+      
+      // Should be a valid date
+      const date = new Date(dateString);
+      expect(date.toString()).not.toBe('Invalid Date');
+    }
+  });
+});