Function startEcho

tests/unit/prototypePollution.test.js:793–815

(handler)

  // is neutralized end-to-end by the null-prototype config.
  describe('Full gadget coverage via null-prototype config', () => {
    function startEcho(handler) {
      return new Promise((resolve) => {
        const server = http.createServer(
          handler ||
            ((req, res) => {
              let body = '';
              req.on('data', (c) => (body += c));
              req.on('end', () => {
                res.writeHead(200, { 'Content-Type': 'application/json' });
                res.end(
                  JSON.stringify({
                    url: req.url,
                    method: req.method,
                    headers: req.headers,
                    body,
                  })
                );
              });
            })
        );
        server.listen(0, '127.0.0.1', () => resolve(server));
      });
    }
    const stop = (s) => new Promise((r) => s.close(r));

    it('should ignore polluted transformRequest', async () => {