index.test.ts

import { assert, test } from 'vitest'
import Parser from './index'

const inputs = [
  ':hitchcock.freenode.net NOTICE * :*** Looking up your hostname...\r\n',
  'ERROR :Closing Link: 127.0.0.1 (Connection timed out)\r\n',
  ':tjholowaychuk!~tjholoway@S01067cb21b2fd643.gv.shawcable.net JOIN #express\r\n',
]

const expected = [
  {
    prefix: 'hitchcock.freenode.net',
    command: 'NOTICE',
    params: '*',
    trailing: '*** Looking up your hostname...',
    string: ':hitchcock.freenode.net NOTICE * :*** Looking up your hostname...',
  },
  {
    prefix: '',
    command: 'ERROR',
    params: '',
    trailing: 'Closing Link: 127.0.0.1 (Connection timed out)',
    string: 'ERROR :Closing Link: 127.0.0.1 (Connection timed out)',
  },
  {
    prefix: 'tjholowaychuk!~tjholoway@S01067cb21b2fd643.gv.shawcable.net',
    command: 'JOIN',
    params: '#express',
    trailing: '',
    string:
      ':tjholowaychuk!~tjholoway@S01067cb21b2fd643.gv.shawcable.net JOIN #express',
  },
]

test('should emit "message" events', () => {
  const parser = new Parser()
  let n = 0
  parser.on('message', (msg) => {
    assert.deepEqual(expected[n++], msg)
  })

  for (const line of inputs) {
    parser.write(Buffer.from(line))
  }
})