event-stream/test/parse.asynct.js

var es = require('../')
  , it = require('it-is').style('colour')

exports ['es.parse() writes parsing errors with console.error'] = function (test) {
  var parseStream = es.parse()
  var oldConsoleError = console.error
  console.error = function () {
    console.error = oldConsoleError
    it(arguments.length > 0).ok()
    test.done()
  }

  // bare word is not valid JSON
  parseStream.write('A')
}

exports ['es.parse({error: true(thy)}) emits error events from parsing'] = function (test) {
  var parseStream = es.parse({error: 1})
  var expectedError
  try {
    JSON.parse('A')
  } catch(e) {
    expectedError = e
  }

  parseStream.on('error', function (e) {
    it(e).deepEqual(expectedError)
    process.nextTick(function () {
      test.done()
    })
  }).write('A')
}