test(node): add tests for fastify routerPath deprecation warning

Author: Zen-cronic

dev-packages/node-integration-tests/suites/fastify/deprecation/server.ts

@@ -0,0 +1,21 @@
+import { loggingTransport } from '@sentry-internal/node-integration-tests';
+import * as Sentry from '@sentry/node';
+
+Sentry.init({
+  dsn: 'https://[email protected]/1337',
+  release: '1.0',
+  transport: loggingTransport,
+});
+
+import { startFastifyServerAndSendPortToRunner } from '@sentry-internal/node-integration-tests';
+import Fastify from 'fastify';
+
+const app = Fastify();
+
+app.get('/test/deprecated', (_req, res) => {
+  res.send({});
+});
+
+Sentry.setupFastifyErrorHandler(app);
+
+startFastifyServerAndSendPortToRunner(app);

dev-packages/node-integration-tests/suites/fastify/deprecation/test.ts

@@ -0,0 +1,22 @@
+import { AxiosError } from 'axios';
+import { cleanupChildProcesses, createRunner } from '../../../utils/runner';
+
+afterAll(() => {
+  cleanupChildProcesses();
+});
+
+test('suppress fastify deprecation warning when `routerPath` property is accessed', async () => {
+  // ensures that the assertions in the catch block are called
+  expect.assertions(3);
+
+  const runner = createRunner(__dirname, 'server.ts').start();
+
+  try {
+    // Axios from `makeRequest` will throw 404.
+    await runner.makeRequest('get', '/test/deprecated/does-not-exist');
+  } catch (error: any) {
+    expect(error).toBeInstanceOf(AxiosError);
+    expect(error.message).toBe('Request failed with status code 404');
+    expect(error.response.status).toBe(404);
+  }
+});