add integration test

Lms24 · Lms24 · commit b484ad5cbc4b · 2024-08-09T10:35:29.000+02:00
diff --git a/dev-packages/node-integration-tests/suites/tracing/meta-tags-twp/server.js b/dev-packages/node-integration-tests/suites/tracing/meta-tags-twp/server.js
@@ -0,0 +1,34 @@
+const { loggingTransport } = require('@sentry-internal/node-integration-tests');
+const Sentry = require('@sentry/node');
+
+Sentry.init({
+  dsn: 'https://public@dsn.ingest.sentry.io/1337',
+  transport: loggingTransport,
+  debug: true,
+});
+
+// express must be required after Sentry is initialized
+const express = require('express');
+const { startExpressServerAndSendPortToRunner } = require('@sentry-internal/node-integration-tests');
+
+const app = express();
+
+app.get('/test', (_req, res) => {
+  res.send({
+    response: `
+    <html>
+      <head>
+        ${Sentry.getTraceMetaTags()}
+      </head>
+      <body>
+        Hi :)
+      </body>
+    </html>
+    `,
+  });
+});
+
+Sentry.setupExpressErrorHandler(app);
+
+// TODO: remove port again
+startExpressServerAndSendPortToRunner(app, 3000);
diff --git a/dev-packages/node-integration-tests/suites/tracing/meta-tags-twp/test.ts b/dev-packages/node-integration-tests/suites/tracing/meta-tags-twp/test.ts
@@ -0,0 +1,33 @@
+import { cleanupChildProcesses, createRunner } from '../../../utils/runner';
+
+describe('getTraceMetaTags', () => {
+  afterAll(() => {
+    cleanupChildProcesses();
+  });
+
+  test('injects sentry tracing <meta> tags without sampled flag for Tracing Without Performance', async () => {
+    const runner = createRunner(__dirname, 'server.js').start();
+
+    const response = await runner.makeRequest('get', '/test');
+
+    // @ts-ignore - response is defined, types just don't reflect it
+    const html = response?.response as unknown as string;
+
+    console.log(html);
+
+    const [_, traceId, spanId] = html.match(/<meta name="sentry-trace" content="([a-f0-9]{32})-([a-f0-9]{16})"\/>/) || [
+      undefined,
+      undefined,
+      undefined,
+    ];
+
+    expect(traceId).toBeDefined();
+    expect(spanId).toBeDefined();
+
+    const sentryBaggageContent = html.match(/<meta name="baggage" content="(.*)"\/>/)?.[1];
+
+    expect(sentryBaggageContent).toEqual(
+      `sentry-environment=production,sentry-public_key=public,sentry-trace_id=${traceId}`,
+    );
+  });
+});
