tests: added tests

Author: logaretm

dev-packages/e2e-tests/test-applications/nextjs-15/app/[locale]/i18n-test/page.tsx

@@ -0,0 +1,10 @@
+export default async function I18nTestPage({ params }: { params: Promise<{ locale: string }> }) {
+  const { locale } = await params;
+  return (
+    <div>
+      <h1>I18n Test Page</h1>
+      <p>Current locale: {locale || 'default'}</p>
+      <p>This page tests i18n route parameterization</p>
+    </div>
+  );
+}

dev-packages/e2e-tests/test-applications/nextjs-15/tests/i18n-routing.test.ts

@@ -0,0 +1,64 @@
+import { expect, test } from '@playwright/test';
+import { waitForTransaction } from '@sentry-internal/test-utils';
+
+test('should create consistent parameterized transaction for default locale (no prefix)', async ({ page }) => {
+  const transactionPromise = waitForTransaction('nextjs-15', async transactionEvent => {
+    return transactionEvent.transaction === '/:locale/i18n-test' && transactionEvent.contexts?.trace?.op === 'pageload';
+  });
+
+  // Visit route without locale prefix (simulating default locale behavior)
+  const response = await page.goto(`/i18n-test`);
+
+  // Ensure page loaded successfully
+  expect(response?.status()).toBe(200);
+
+  const transaction = await transactionPromise;
+
+  expect(transaction).toMatchObject({
+    contexts: {
+      trace: {
+        data: {
+          'sentry.op': 'pageload',
+          'sentry.origin': 'auto.pageload.nextjs.app_router_instrumentation',
+          'sentry.source': 'route',
+        },
+        op: 'pageload',
+        origin: 'auto.pageload.nextjs.app_router_instrumentation',
+      },
+    },
+    transaction: '/:locale/i18n-test',
+    transaction_info: { source: 'route' },
+    type: 'transaction',
+  });
+});
+
+test('should create consistent parameterized transaction for non-default locale (with prefix)', async ({ page }) => {
+  const transactionPromise = waitForTransaction('nextjs-15', async transactionEvent => {
+    return transactionEvent.transaction === '/:locale/i18n-test' && transactionEvent.contexts?.trace?.op === 'pageload';
+  });
+
+  // Visit route with locale prefix (simulating non-default locale)
+  const response = await page.goto(`/ar/i18n-test`);
+
+  // Ensure page loaded successfully
+  expect(response?.status()).toBe(200);
+
+  const transaction = await transactionPromise;
+
+  expect(transaction).toMatchObject({
+    contexts: {
+      trace: {
+        data: {
+          'sentry.op': 'pageload',
+          'sentry.origin': 'auto.pageload.nextjs.app_router_instrumentation',
+          'sentry.source': 'route',
+        },
+        op: 'pageload',
+        origin: 'auto.pageload.nextjs.app_router_instrumentation',
+      },
+    },
+    transaction: '/:locale/i18n-test',
+    transaction_info: { source: 'route' },
+    type: 'transaction',
+  });
+});