node-postgres/test/integration/client/timezone-tests.js

"use strict";
var helper = require('./../test-helper');
var exec = require('child_process').exec;

var oldTz = process.env.TZ;
process.env.TZ = 'Europe/Berlin';

var date = new Date();

const pool = new helper.pg.Pool()
const suite = new helper.Suite()

pool.connect(function (err, client, done) {
  assert(!err);

  suite.test('timestamp without time zone', function (cb) {
    client.query("SELECT CAST($1 AS TIMESTAMP WITHOUT TIME ZONE) AS \"val\"", [date], function (err, result) {
      assert(!err);
      assert.equal(result.rows[0].val.getTime(), date.getTime());
      cb()
    })
  })

  suite.test('timestamp with time zone', function (cb) {
    client.query("SELECT CAST($1 AS TIMESTAMP WITH TIME ZONE) AS \"val\"", [date], function (err, result) {
      assert(!err);
      assert.equal(result.rows[0].val.getTime(), date.getTime());

      done();
      pool.end(cb)
      process.env.TZ = oldTz;
    });
  });
});