ifx_db/test/test-pool-idle-connection.js

IBM Informix bindings for node

// test file to test idle connection is getting dropped or not.

var ifxdb = require("../")
    , pool = new ifxdb.Pool()
    , assert = require("assert")
    , common = require("./common.js")
    , cn = common.connectionString
    , starttime
    , endtime
    ;

console.log("Trying to open a new connection at => " + getDateTime());
pool.open(cn, function (err,conn) {
  if (err) console.log(err);
  assert.equal(err, null);
  console.log("Got new connection at => " + getDateTime());
  conn.query('select 1 from sysibm.sysdummy1', function (err, data) {
    if (err) console.log(err);
    else console.log(data);

    conn.close(function () {
      console.log("Connection surrenderred to pool at " + getDateTime());
      console.log('Now wait for 70 seconds and then access connection.');
    });

    //wait for 2 min then access connection.
    setTimeout(function () {
      starttime = getDateTime();
      console.log("70 seconds elapesed, try to get connection from pool at ==> "+ starttime);
      pool.open(cn, function (err,conn) {
        if (err) return console.log(err);
        endtime = getDateTime();
        console.log("Got connection from pool at ==> " + endtime);
        conn.query('select 1 from sysibm.sysdummy1', function (err, data) {
          if (err) console.log(err);
          else console.log(data);

          pool.close(function () {
            console.log('pool closed.');
            assert(starttime, endtime);
          });
        });
      });
    }, 70 * 1000);  //setTimeout 2 minute.
  });
});


function getDateTime() {

    var date = new Date();

    var hour = date.getHours();
    hour = (hour < 10 ? "0" : "") + hour;

    var min  = date.getMinutes();
    min = (min < 10 ? "0" : "") + min;

    var sec  = date.getSeconds();
    sec = (sec < 10 ? "0" : "") + sec;

    var year = date.getFullYear();

    var month = date.getMonth() + 1;
    month = (month < 10 ? "0" : "") + month;

    var day  = date.getDate();
    day = (day < 10 ? "0" : "") + day;

    return year + "." + month + "." + day + " " + hour + ":" + min + ":" + sec;
}