Function testServer

tests/unit/commands/serve-test.js:65–77

(opts, test)

  // Allocate opts.port on opts.host if it is available (which we check through getPortPromise)
  let testServer = function (opts, test) {
    let server = require('http').createServer(function () {});
    return getPortPromise({
      ...opts,
      stopPort: opts.port,
    })
      .then(() =>
        new Promise(function (resolve) {
          server.listen(opts.port, opts.host, () => resolve(test()));
        }).finally(() => new Promise((resolve) => server.close(() => resolve())))
      )
      .catch(() => test());
  };

  it('should throw error when -p PORT is taken', function () {
    return testServer({ port: '32773' }, function () {