test.ts

import { afterAll, expect, test } from 'vitest';
import { cleanupChildProcesses, createRunner } from '../../../../utils/runner';
import type { TestAPIResponse } from '../server';
import { extractTraceparentData } from '@sentry/core';

afterAll(() => {
  cleanupChildProcesses();
});

test('should ignore sentry-values in `baggage` header of a third party vendor and overwrite them with incoming DSC', async () => {
  const runner = createRunner(__dirname, 'server.ts').start();

  const response = await runner.makeRequest<TestAPIResponse>('get', '/test/express', {
    headers: {
      'sentry-trace': '12312012123120121231201212312012-1121201211212012-1',
      baggage: 'sentry-release=2.1.0,sentry-environment=myEnv',
    },
  });

  expect(response).toBeDefined();

  const baggage = response?.test_data.baggage?.split(',').sort();

  expect(response).toMatchObject({
    test_data: {
      host: 'somewhere.not.sentry',
    },
  });

  expect(baggage).toEqual([
    'foo=bar',
    'last=item',
    'other=vendor',
    'sentry-environment=myEnv',
    'sentry-release=2.1.0',
    expect.stringMatching(/sentry-sample_rand=\d+/),
    'third=party',
  ]);
});

test('should ignore sentry-values in `baggage` header of a third party vendor and overwrite them with new DSC', async () => {
  const runner = createRunner(__dirname, 'server.ts').start();

  const response = await runner.makeRequest<TestAPIResponse>('get', '/test/express');

  expect(response).toBeDefined();

  const baggage = response?.test_data.baggage?.split(',').sort();
  const sentryTraceHeader = response?.test_data['sentry-trace'];

  const sentryTrace = extractTraceparentData(sentryTraceHeader);

  expect(sentryTrace?.traceId).toMatch(/^[0-9a-f]{32}$/);

  expect(response).toMatchObject({
    test_data: {
      host: 'somewhere.not.sentry',
    },
  });

  expect(baggage).toEqual([
    'foo=bar',
    'last=item',
    'other=vendor',
    'sentry-environment=prod',
    'sentry-public_key=public',
    'sentry-release=1.0',
    expect.stringMatching(/sentry-sample_rand=\d+/),
    'sentry-sample_rate=1',
    'sentry-sampled=true',
    `sentry-trace_id=${sentryTrace?.traceId}`,
    'sentry-transaction=GET%20%2Ftest%2Fexpress',
    'third=party',
  ]);
});