514 lines
20 KiB
JavaScript
514 lines
20 KiB
JavaScript
var chai = require('chai')
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var expect = chai.expect
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var assert = chai.assert
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chai.use(require('chai-string'))
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chai.use(require('chai-jquery'))
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var sinon = require('sinon')
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var SyncedProgressTimer = require('../../mopidy_musicbox_webclient/static/js/synced_timer.js')
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describe('SyncedTimer', function () {
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var MAX_ATTEMPTS = 8
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var syncedProgressTimer
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var mopidy
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var playback
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var getTimePositionStub
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var clock
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function setFakeTimers () {
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clock = sinon.useFakeTimers()
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syncedProgressTimer._progressTimer = new ProgressTimer({
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callback: $.proxy(syncedProgressTimer.timerCallback, syncedProgressTimer),
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disableRequestAnimationFrame: true // No window available during testing - use fallback mechanism to schedule updates
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})
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}
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function restoreFakeTimers () {
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clock.restore()
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}
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before(function () {
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$(document.body).append(
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'<div id="slidercontainer"><!-- slider for track position -->' +
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'<span id="songelapsed"></span>' +
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'<span id="songlength"></span>' +
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'<label for="trackslider" disabled="disabled">Position</label>' +
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'<input id="trackslider" name="trackslider"/>' +
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'</div>'
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)
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$('#trackslider').slider() // Initialize slider
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$('#trackslider').on('slidestart', function () {
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syncedProgressTimer.stop()
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$('#trackslider').on('change', function () { syncedProgressTimer.updatePosition($(this).val()) })
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})
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$('#trackslider').on('slidestop', function () {
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$('#trackslider').off('change')
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syncedProgressTimer.updatePosition($(this).val())
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// Simulate doSeekPos($(this).val())
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syncedProgressTimer.set($(this).val())
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})
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playback = {
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getTimePosition: function () { return $.when(1000) },
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getState: function () { return $.when('stopped') }
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}
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getTimePositionStub = sinon.stub(playback, 'getTimePosition')
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// Simulate Mopidy's track position advancing 250ms between each call for 0:01 to 0:10
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for (var i = 0; i < 10000 / 250; i++) {
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getTimePositionStub.onCall(i).returns($.when((i + 1) * 250))
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}
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mopidy = sinon.stub(new Mopidy({callingConvention: 'by-position-or-by-name'}))
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mopidy.playback = playback
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})
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beforeEach(function () {
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syncedProgressTimer = new SyncedProgressTimer(MAX_ATTEMPTS, mopidy)
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syncedProgressTimer._isConnected = true
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})
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afterEach(function () {
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getTimePositionStub.reset()
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})
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describe('#SyncedTimer()', function () {
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it('should add text nodes to DOM for position and duration indicators', function () {
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expect($('#songelapsed')).to.have.text('')
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expect($('#songlength')).to.have.text('')
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})
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it('should start out in unsynced state', function () {
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assert.equal(syncedProgressTimer.syncState, SyncedProgressTimer.SYNC_STATE.NOT_SYNCED)
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})
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})
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describe('#format()', function () {
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it('should set value of text node', function () {
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assert.equal(SyncedProgressTimer.format(1000), '0:01')
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})
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it('should handle Infinity', function () {
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assert.equal(SyncedProgressTimer.format(Infinity), '')
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})
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it('should handle zero', function () {
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assert.equal(SyncedProgressTimer.format(0), '0:00')
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})
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})
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describe('#timerCallback()', function () {
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beforeEach(function () {
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setFakeTimers()
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})
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afterEach(function () {
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restoreFakeTimers()
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})
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it('should not try to sync unless connected to mopidy', function () {
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var _doSyncStub = sinon.stub(syncedProgressTimer, '_doSync')
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syncedProgressTimer._isConnected = false
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syncedProgressTimer.set(0, 1000).start()
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clock.tick(1000)
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assert.isFalse(_doSyncStub.called, '_doSync called')
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syncedProgressTimer.stop()
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_doSyncStub.restore()
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})
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it('should update text nodes', function () {
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var updateStub = sinon.stub(syncedProgressTimer, '_update')
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syncedProgressTimer.set(0, 1000).start()
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assert.isTrue(updateStub.called, '_update not called')
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syncedProgressTimer.stop()
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updateStub.restore()
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})
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it('should attempt to perform a sync as soon as timer is started', function () {
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var syncStub = sinon.stub(syncedProgressTimer, '_doSync')
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syncedProgressTimer.set(0, 1000).start() // 'start' will immediately schedule a sync.
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clock.tick(250)
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assert.isTrue(syncStub.called, '_doSync not called')
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syncedProgressTimer.stop()
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syncStub.restore()
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})
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it('should not attempt to perform a sync untill scheduled', function () {
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var syncStub = sinon.stub(syncedProgressTimer, '_doSync')
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syncedProgressTimer.set(0, 5000).start()
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syncedProgressTimer._scheduleSync(500)
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clock.tick(250)
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assert.isFalse(syncStub.called, 'next _doSync should only have been called after 500ms')
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syncStub.reset()
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clock.tick(500)
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assert.isTrue(syncStub.called, 'next _doSync not called after 500ms')
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syncedProgressTimer.stop()
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syncStub.restore()
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})
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it('should perform sync', function () {
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// Simulate runtime on a 5-second track
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assert.equal(syncedProgressTimer.syncState, SyncedProgressTimer.SYNC_STATE.NOT_SYNCED, 'Timer was initialized in incorrect state')
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syncedProgressTimer.set(0, 5000).start()
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var wasSyncing = false
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for (var i = 0; i < 4; i++) {
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clock.tick(250)
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wasSyncing = wasSyncing || syncedProgressTimer.syncState === SyncedProgressTimer.SYNC_STATE.SYNCING
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}
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syncedProgressTimer.stop()
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assert.isTrue(wasSyncing, 'Timer never entered the "syncing" state')
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assert.equal(syncedProgressTimer.syncState, SyncedProgressTimer.SYNC_STATE.SYNCED, 'Timer failed to sync')
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syncedProgressTimer.stop()
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})
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})
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describe('#_update()', function () {
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it('should set duration to "" for tracks with infinite duration (e.g. streams)', function () {
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syncedProgressTimer._update(1000, Infinity)
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assert.equal(syncedProgressTimer.durationNode.nodeValue, '')
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})
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it('should show "(wait)" while untill syncing starts', function () {
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syncedProgressTimer.syncState = SyncedProgressTimer.SYNC_STATE.NOT_SYNCED
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syncedProgressTimer._update(1000, 2000)
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assert.equal(syncedProgressTimer.positionNode.nodeValue, '(wait)')
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})
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it('should show "(sync)" while trying to sync up with Mopidy', function () {
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syncedProgressTimer.syncState = SyncedProgressTimer.SYNC_STATE.SYNCING
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syncedProgressTimer._update(1000, 2000)
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assert.equal(syncedProgressTimer.positionNode.nodeValue, '(sync)')
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})
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it('should update position text and position track slider when synced', function () {
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syncedProgressTimer.syncState = SyncedProgressTimer.SYNC_STATE.SYNCED
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syncedProgressTimer._update(1000, 2000)
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assert.equal(syncedProgressTimer.positionNode.nodeValue, '0:01')
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assert.equal($('#trackslider').val(), 1000)
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})
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})
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describe('#scheduleSync', function () {
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beforeEach(function () {
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setFakeTimers()
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})
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afterEach(function () {
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restoreFakeTimers()
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})
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it('should schedule sync when scheduled time arrives', function () {
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clock.tick(0)
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syncedProgressTimer._scheduleSync(1000)
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assert.isFalse(syncedProgressTimer._isSyncScheduled)
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clock.tick(1001)
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assert.isTrue(syncedProgressTimer._isSyncScheduled)
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})
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it('should clear schedule on each call', function () {
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var clearSpy = sinon.spy(window, 'clearTimeout')
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clock.tick(0)
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syncedProgressTimer._isSyncScheduled = true
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syncedProgressTimer._scheduleSync(1000)
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assert.isFalse(syncedProgressTimer._isSyncScheduled)
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var scheduleID = syncedProgressTimer._scheduleID
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clock.tick(1001)
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syncedProgressTimer._scheduleSync(1000)
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assert(clearSpy.calledWith(scheduleID))
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clearSpy.restore()
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})
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})
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describe('#_doSync', function () {
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beforeEach(function () {
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setFakeTimers()
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})
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afterEach(function () {
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restoreFakeTimers()
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})
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it('should not try to sync until timer has been set', function () {
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syncedProgressTimer._doSync(0, Infinity)
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assert.isFalse(getTimePositionStub.called, 'tried to do sync even though the timer has not been set')
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})
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it('should request position from Mopidy', function () {
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syncedProgressTimer._doSync(1000, 2000)
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assert.isTrue(getTimePositionStub.called, 'getTimePosition not called')
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})
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it('should set state to "SYNCING" as soon as the first sync attempt is made', function () {
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syncedProgressTimer.syncState = SyncedProgressTimer.SYNC_STATE.NOT_SYNCED
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syncedProgressTimer._doSync(100, 2000)
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assert.equal(syncedProgressTimer.syncState, SyncedProgressTimer.SYNC_STATE.SYNCING)
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})
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it('should set state to synced after two consecutive successful syncs (i.e. time drift < 500ms)', function () {
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assert.equal(syncedProgressTimer.syncState, SyncedProgressTimer.SYNC_STATE.NOT_SYNCED)
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clock.tick(250)
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syncedProgressTimer._doSync(250, 2000)
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assert.equal(syncedProgressTimer.syncState, SyncedProgressTimer.SYNC_STATE.SYNCING)
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clock.tick(250)
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syncedProgressTimer._doSync(500, 2000)
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assert.equal(syncedProgressTimer.syncState, SyncedProgressTimer.SYNC_STATE.SYNCED)
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})
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it('should re-initialize and set state to syncing if time drift is more than 500ms', function () {
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var scheduleStub = sinon.stub(syncedProgressTimer, '_scheduleSync')
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syncedProgressTimer._doSync(1000, 2000)
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assert.equal(syncedProgressTimer.syncState, SyncedProgressTimer.SYNC_STATE.SYNCING)
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assert.equal(syncedProgressTimer._syncAttemptsRemaining, syncedProgressTimer._maxAttempts)
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assert.isNull(syncedProgressTimer._previousSyncPosition)
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assert(scheduleStub.calledWith(1000), 'Expected next sync to be scheduled 1s from now')
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scheduleStub.restore()
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})
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it('should step back exponentially while syncing', function () {
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var scheduleStub = sinon.stub(syncedProgressTimer, '_scheduleSync')
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for (var i = 0; i < syncedProgressTimer._maxAttempts; i++) {
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syncedProgressTimer._doSync(i * 250, 2000)
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assert.equal(syncedProgressTimer._syncAttemptsRemaining, syncedProgressTimer._maxAttempts - i - 1, 'Incorrect number of sync attempts remaining')
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assert(scheduleStub.calledWith(0.25 * (Math.pow(2, i)) * 1000), 'Incorrect sync time scheduled: ' + scheduleStub.getCall(i))
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scheduleStub.reset()
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}
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scheduleStub.restore()
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})
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it('should check sync every 32s once synced', function () {
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var scheduleStub = sinon.stub(syncedProgressTimer, '_scheduleSync')
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syncedProgressTimer._syncAttemptsRemaining = 0
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syncedProgressTimer._doSync(250, 2000)
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assert(scheduleStub.calledWith(32000))
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scheduleStub.restore()
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})
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it('should not sync unless track playback is progressing', function () {
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getTimePositionStub.restore()
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assert.equal(syncedProgressTimer.syncState, SyncedProgressTimer.SYNC_STATE.NOT_SYNCED)
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clock.tick(250)
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syncedProgressTimer._doSync(250, 2000)
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assert.equal(syncedProgressTimer.syncState, SyncedProgressTimer.SYNC_STATE.SYNCING)
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clock.tick(250)
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syncedProgressTimer._doSync(250, 2000)
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assert.equal(syncedProgressTimer.syncState, SyncedProgressTimer.SYNC_STATE.SYNCING)
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// Restore getTimePositionStub to previous state
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getTimePositionStub = sinon.stub(playback, 'getTimePosition')
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// Simulate Mopidy's track position advancing 250ms between each call for 0:01 to 0:10
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for (var i = 0; i < 10000 / 250; i++) {
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getTimePositionStub.onCall(i).returns($.when((i + 1) * 250))
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}
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})
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})
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describe('#set()', function () {
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it('should throw exception if no arguments are provided', function () {
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assert.throw(function () { syncedProgressTimer.set() }, Error)
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})
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it('should set position if only one argument is provided', function () {
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syncedProgressTimer.set(1000)
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assert.equal(syncedProgressTimer._progressTimer._state.position, 1000)
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})
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it('should update position and track slider immediately', function () {
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syncedProgressTimer.stop()
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syncedProgressTimer.set(1000, 2000)
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expect($('#songelapsed').text()).to.equal('0:01')
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assert.equal($('#trackslider').val(), 1000)
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})
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it('should implement workaround for https://github.com/adamcik/media-progress-timer/issues/3', function () {
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syncedProgressTimer.set(1000, 2000).start()
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assert.equal(syncedProgressTimer._duration, 2000)
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syncedProgressTimer.set(3000)
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assert.equal(syncedProgressTimer._progressTimer._state.position, 1999, 'Expected position to be less than duration')
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syncedProgressTimer.stop()
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})
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})
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describe('#start()', function () {
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it('should start timer', function () {
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var startStub = sinon.stub(syncedProgressTimer._progressTimer, 'start')
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syncedProgressTimer.start()
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assert(startStub.called)
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syncedProgressTimer.stop()
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startStub.restore()
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})
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it('should always start in unsynced state', function () {
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syncedProgressTimer.syncState = SyncedProgressTimer.SYNC_STATE.SYNCED
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syncedProgressTimer.start()
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assert.equal(syncedProgressTimer.syncState, SyncedProgressTimer.SYNC_STATE.NOT_SYNCED)
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syncedProgressTimer.stop()
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})
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it('should schedule a sync immediately', function () {
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var scheduleSpy = sinon.spy(syncedProgressTimer, '_scheduleSync')
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syncedProgressTimer.set(0, 1000)
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syncedProgressTimer._isSyncScheduled = false
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syncedProgressTimer.start()
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assert(scheduleSpy.calledWith(0))
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syncedProgressTimer.stop()
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scheduleSpy.restore()
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})
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})
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describe('#stop()', function () {
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it('should stop timer', function () {
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var stopStub = sinon.stub(syncedProgressTimer._progressTimer, 'stop')
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syncedProgressTimer.stop()
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assert(stopStub.called)
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syncedProgressTimer.stop()
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stopStub.restore()
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})
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it('should show last synced position if stopped while busy syncing', function () {
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syncedProgressTimer.set(1000, 5000)
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syncedProgressTimer.syncState = SyncedProgressTimer.SYNC_STATE.SYNCED
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syncedProgressTimer._previousSyncPosition = 1000
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syncedProgressTimer.syncState = SyncedProgressTimer.SYNC_STATE.SYNCING
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syncedProgressTimer._update(2000, 5000)
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assert.equal(syncedProgressTimer.positionNode.nodeValue, '(sync)')
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syncedProgressTimer.stop()
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assert.equal(syncedProgressTimer.positionNode.nodeValue, '0:01')
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expect($('#songelapsed').text()).to.equal('0:01')
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})
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it('should cancel any scheduled syncs', function () {
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var cancelSpy = sinon.spy(window, 'clearTimeout')
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syncedProgressTimer._isSyncScheduled = true
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syncedProgressTimer.stop()
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assert.isFalse(syncedProgressTimer._isSyncScheduled)
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assert(cancelSpy.calledWith(syncedProgressTimer._scheduleID))
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cancelSpy.restore()
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})
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})
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describe('#reset()', function () {
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it('should reset timer to "" - "" ', function () {
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var stopStub = sinon.stub(syncedProgressTimer, 'stop')
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var setStub = sinon.stub(syncedProgressTimer, 'set')
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syncedProgressTimer.reset()
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assert(stopStub.called)
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assert(setStub.called)
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assert.equal(syncedProgressTimer.positionNode.nodeValue, '', 'Position node was not reset')
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assert.equal(syncedProgressTimer.durationNode.nodeValue, '', 'Duration node was not reset')
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stopStub.restore()
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setStub.restore()
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})
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})
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describe('#updatePosition()', function () {
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it('should format and set position node', function () {
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var formatSpy = sinon.spy(SyncedProgressTimer, 'format')
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assert.equal(syncedProgressTimer.positionNode.nodeValue, '')
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syncedProgressTimer.updatePosition(1000)
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assert.isTrue(formatSpy.called)
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expect(syncedProgressTimer.positionNode.nodeValue).to.equal('0:01')
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formatSpy.restore()
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})
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it('should set position to "" if timer has not been initialized', function () {
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syncedProgressTimer.set(1000, 2000)
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expect(syncedProgressTimer.positionNode.nodeValue).to.equal('0:01')
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syncedProgressTimer.updatePosition(0)
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assert.equal(syncedProgressTimer.positionNode.nodeValue, '0:00', 'Position node was not reset')
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syncedProgressTimer.reset()
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syncedProgressTimer.updatePosition(0)
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assert.equal(syncedProgressTimer.positionNode.nodeValue, '', 'Position node was not reset')
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})
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})
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describe('integration tests', function () {
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beforeEach(function () {
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setFakeTimers()
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})
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afterEach(function () {
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restoreFakeTimers()
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})
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it('simulate 30-second test run, ', function () {
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// Initialize
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syncedProgressTimer.reset()
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expect($('#songelapsed').text()).to.equal('')
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expect($('#songlength').text()).to.equal('')
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assert.equal($('#trackslider').val(), 0)
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// Set song info
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syncedProgressTimer.set(0, 30000)
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expect($('#songelapsed').text()).to.equal('0:00')
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expect($('#songlength').text()).to.equal('0:30')
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assert.equal($('#trackslider').val(), 0)
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// Start
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syncedProgressTimer.start()
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clock.tick(40)
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expect($('#songelapsed').text()).to.equal('(wait)')
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expect($('#songlength').text()).to.equal('0:30')
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assert.equal($('#trackslider').val(), 0)
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// Syncing
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clock.tick(250)
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expect($('#songelapsed').text()).to.equal('(sync)')
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expect($('#songlength').text()).to.equal('0:30')
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assert.equal($('#trackslider').val(), 0)
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// Synced
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clock.tick(1000)
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expect($('#songelapsed').text()).to.equal('0:01')
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expect($('#songlength').text()).to.equal('0:30')
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assert.isAtLeast($('#trackslider').val(), 1000)
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|
|
|
// Move slider
|
|
$('#trackslider').trigger('slidestart')
|
|
clock.tick(250)
|
|
$('#trackslider').val(5000).slider('refresh')
|
|
$('#trackslider').trigger('change')
|
|
clock.tick(250)
|
|
$('#trackslider').trigger('slidestop')
|
|
|
|
clock.tick(1000) // Position should remain '0:05' as the timer should not be running after a slider change
|
|
expect($('#songelapsed').text()).to.equal('0:05')
|
|
|
|
// Start -> Sync -> Stop
|
|
syncedProgressTimer.start()
|
|
clock.tick(40)
|
|
expect($('#songelapsed').text()).to.equal('(sync)')
|
|
syncedProgressTimer._previousSyncPosition = 1000
|
|
syncedProgressTimer.stop()
|
|
expect($('#songelapsed').text()).to.equal('0:01')
|
|
expect($('#songlength').text()).to.equal('0:30')
|
|
|
|
syncedProgressTimer.stop()
|
|
})
|
|
})
|
|
})
|