Function getStartupMessage

test/unit/insights-client-tests.js:490–530

* @param {{hostVersions, clientOptions}} [options] * @returns {Promise}

(options)

 * @returns {Promise}
 */
function getStartupMessage(options) {
  let messageString;
  let error;
  options = options || {};

  const client = getClient({
    rpcCallback: m => messageString = m,
    hostVersions: options.hostVersions,
    clientOptions: options.clientOptions
  });

  const insights = new InsightsClient(client, {
    errorCallback: err => error = err
  });

  insights.init();

  return new Promise((resolve, reject) => {
    setImmediate(() => {
      insights.shutdown();

      if (error) {
        return reject(error);
      }

      // Wait for activity in the background
      helper.setIntervalUntil(
        () => !!messageString,
        20,
        500,
        err => {
          if (err) {
            return reject('No RPC was invoked');
          }

          resolve({ message: JSON.parse(messageString), client });
        }
      );
    });
  });
}