2 var test = require('tap').test
3 var util = require('util')
4 var stream = require('readable-stream')
5 var TrackerStream = require('../index.js').TrackerStream
6 var testEvent = require('./lib/test-event.js')
8 var Sink = function () {
9 stream.Writable.apply(this, arguments)
11 util.inherits(Sink, stream.Writable)
12 Sink.prototype._write = function (data, encoding, cb) {
16 test('TrackerStream', function (t) {
20 var track = new TrackerStream(name)
22 t.is(track.completed(), 0, 'Nothing todo is 0 completion')
25 track = new TrackerStream(name, todo)
26 t.is(track.completed(), 0, 'Nothing done is 0 completion')
28 track.pipe(new Sink())
30 testEvent(track, 'change', afterCompleteWork)
31 track.write('0123456789')
32 function afterCompleteWork (er, onChangeName) {
33 t.is(er, null, 'write: on change event fired')
34 t.is(onChangeName, name, 'write: on change emits the correct name')
35 t.is(track.completed(), 1, 'write: 100% completed')
37 testEvent(track, 'change', afterAddWork)
40 function afterAddWork (er, onChangeName) {
41 t.is(er, null, 'addWork: on change event fired')
42 t.is(track.completed(), 0.5, 'addWork: 50% completed')
44 testEvent(track, 'change', afterAllWork)
45 track.write('ABCDEFGHIJKLMNOPQRST')
47 function afterAllWork (er) {
48 t.is(er, null, 'allWork: on change event fired')
49 t.is(track.completed(), 1, 'allWork: 100% completed')