notice-tests.js

'use strict'
const helper = require('./test-helper')
const assert = require('assert')
const suite = new helper.Suite()

suite.test('emits notify message', function (done) {
  const client = helper.client()
  client.query('LISTEN boom', assert.calls(function () {
    const otherClient = helper.client()
    let bothEmitted = -1
    otherClient.query('LISTEN boom', assert.calls(function () {
      assert.emits(client, 'notification', function (msg) {
        // make sure PQfreemem doesn't invalidate string pointers
        setTimeout(function () {
          assert.equal(msg.channel, 'boom')
          assert.ok(msg.payload == 'omg!' /* 9.x */ || msg.payload == '' /* 8.x */, 'expected blank payload or correct payload but got ' + msg.message)
          client.end(++bothEmitted ? done : undefined)
        }, 100)
      })
      assert.emits(otherClient, 'notification', function (msg) {
        assert.equal(msg.channel, 'boom')
        otherClient.end(++bothEmitted ? done : undefined)
      })

      client.query("NOTIFY boom, 'omg!'", function (err, q) {
        if (err) {
          // notify not supported with payload on 8.x
          client.query('NOTIFY boom')
        }
      })
    }))
  }))
})

// this test fails on travis due to their config
suite.test('emits notice message', function (done) {
  if (helper.args.native) {
    console.error('notice messages do not work curreintly with node-libpq')
    return done()
  }

  const client = helper.client()
  const text = `
DO language plpgsql $$
BEGIN
  RAISE NOTICE 'hello, world!' USING ERRCODE = '23505', DETAIL = 'this is a test';
END
$$;
  `
  client.query('SET SESSION client_min_messages=notice', (err) => {
    assert.ifError(err)
    client.query(text, () => {
      client.end()
    })
  })
  assert.emits(client, 'notice', function (notice) {
    assert.ok(notice != null)
    // notice messages should not be error instances
    assert(notice instanceof Error === false)
    assert.strictEqual(notice.name, 'notice')
    assert.strictEqual(notice.message, 'hello, world!')
    assert.strictEqual(notice.detail, 'this is a test')
    assert.strictEqual(notice.code, '23505')
    done()
  })
})