52 lines
1.4 KiB
JavaScript
52 lines
1.4 KiB
JavaScript
'use strict'
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var test = require('tap').test
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var util = require('util')
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var stream = require('readable-stream')
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var TrackerStream = require('../index.js').TrackerStream
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var testEvent = require('./lib/test-event.js')
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var Sink = function () {
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stream.Writable.apply(this, arguments)
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}
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util.inherits(Sink, stream.Writable)
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Sink.prototype._write = function (data, encoding, cb) {
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cb()
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}
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test('TrackerStream', function (t) {
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t.plan(9)
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var name = 'test'
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var track = new TrackerStream(name)
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t.is(track.completed(), 0, 'Nothing todo is 0 completion')
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var todo = 10
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track = new TrackerStream(name, todo)
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t.is(track.completed(), 0, 'Nothing done is 0 completion')
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track.pipe(new Sink())
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testEvent(track, 'change', afterCompleteWork)
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track.write('0123456789')
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function afterCompleteWork (er, onChangeName) {
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t.is(er, null, 'write: on change event fired')
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t.is(onChangeName, name, 'write: on change emits the correct name')
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t.is(track.completed(), 1, 'write: 100% completed')
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testEvent(track, 'change', afterAddWork)
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track.addWork(10)
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}
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function afterAddWork (er, onChangeName) {
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t.is(er, null, 'addWork: on change event fired')
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t.is(track.completed(), 0.5, 'addWork: 50% completed')
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testEvent(track, 'change', afterAllWork)
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track.write('ABCDEFGHIJKLMNOPQRST')
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}
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function afterAllWork (er) {
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t.is(er, null, 'allWork: on change event fired')
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t.is(track.completed(), 1, 'allWork: 100% completed')
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}
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})
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