libpq/test/async-connection.js

Low-level native bindings to PostgreSQL libpq

var PQ = require('../');
var assert = require('assert');

describe('async connection', function () {
  it('works', function (done) {
    var pq = new PQ();
    assert(!pq.connected, 'should have connected set to falsy');
    pq.connect(function (err) {
      if (err) {
        console.log(err);
      }
      assert(!err);
      pq.exec('SELECT NOW()');
      assert.equal(pq.connected, true, 'should have connected set to true');
      assert.equal(pq.ntuples(), 1);
      done();
    });
  });

  it('works with hard-coded connection parameters', function (done) {
    var pq = new PQ();
    var conString = 'host=' + (process.env.PGHOST || 'localhost');
    pq.connect(conString, done);
  });

  it('returns an error to the callback if connection fails', function (done) {
    new PQ().connect('host=asldkfjasldkfjalskdfjasdf', function (err) {
      assert(err, 'should have passed an error');
      done();
    });
  });

  it('respects the active domain', function (done) {
    var pq = new PQ();
    var domain = require('domain').create();
    domain.run(function () {
      var activeDomain = process.domain;
      assert(activeDomain, 'Should have an active domain');
      pq.connect(function (err) {
        assert.strictEqual(
          process.domain,
          activeDomain,
          'Active domain is lost'
        );
        done();
      });
    });
  });
});