testConnection.js

const https = require("https");

function fetchStatusCode(url) {
  return new Promise(function(resolve, reject) {
    const req = https.request(url, res => {
      resolve(res.statusCode);
    });
    req.on("error", error => {
      reject(error);
    });
    req.end();
  });
}

function sleep(ms) {
  return new Promise(resolve => setTimeout(resolve, ms));
}

async function testConnection() {
  while (true) {
    const startTime = new Date().getTime();
    try {
      const statusCode = await fetchStatusCode("https://google.com");
      const endTime = new Date().getTime();
      console.log(
        `${new Date()}: Got status code ${statusCode} after ${endTime -
          startTime} milliseconds when fetching google.com`
      );
    } catch (e) {
      const endTime = new Date().getTime();
      console.log("=================== ERROR ===================");
      console.log(e);
      console.log(
        `${new Date()}: Error after ${endTime -
          startTime} milliseconds when fetching google.com`
      );
    }
    await sleep(2000);
  }
}

testConnection();