Fixes + add progress to m4b and embed tools

test/server/objects/TrackProgressMonitor.test.js

@@ -0,0 +1,95 @@
+const chai = require('chai')
+const sinon = require('sinon')
+const TrackProgressMonitor = require('../../../server/objects/TrackProgressMonitor')
+
+const expect = chai.expect
+
+describe('TrackProgressMonitor', () => {
+  let trackDurations
+  let trackStartedCallback
+  let progressCallback
+  let trackFinishedCallback
+  let monitor
+
+  beforeEach(() => {
+    trackDurations = [10, 40, 50]
+    trackStartedCallback = sinon.spy()
+    progressCallback = sinon.spy()
+    trackFinishedCallback = sinon.spy()
+  })
+
+  it('should initialize correctly', () => {
+    monitor = new TrackProgressMonitor(trackDurations, trackStartedCallback, progressCallback, trackFinishedCallback)
+
+    expect(monitor.trackDurations).to.deep.equal(trackDurations)
+    expect(monitor.totalDuration).to.equal(100)
+    expect(monitor.trackStartedCallback).to.equal(trackStartedCallback)
+    expect(monitor.progressCallback).to.equal(progressCallback)
+    expect(monitor.trackFinishedCallback).to.equal(trackFinishedCallback)
+    expect(monitor.currentTrackIndex).to.equal(0)
+    expect(monitor.cummulativeProgress).to.equal(0)
+    expect(monitor.currentTrackPercentage).to.equal(10)
+    expect(monitor.numTracks).to.equal(trackDurations.length)
+    expect(monitor.allTracksFinished).to.be.false
+  })
+
+  it('should update the progress', () => {
+    monitor = new TrackProgressMonitor(trackDurations, trackStartedCallback, progressCallback, trackFinishedCallback)
+    monitor.update(5)
+
+    expect(monitor.currentTrackIndex).to.equal(0)
+    expect(monitor.cummulativeProgress).to.equal(0)
+    expect(monitor.currentTrackPercentage).to.equal(10)
+    expect(trackStartedCallback.calledOnceWithExactly(0)).to.be.true
+    expect(progressCallback.calledOnceWithExactly(0, 50, 5)).to.be.true
+    expect(trackFinishedCallback.notCalled).to.be.true
+  })
+
+  it('should update the progress multiple times on the same track', () => {
+    monitor = new TrackProgressMonitor(trackDurations, trackStartedCallback, progressCallback, trackFinishedCallback)
+    monitor.update(5)
+    monitor.update(7)
+
+    expect(monitor.currentTrackIndex).to.equal(0)
+    expect(monitor.cummulativeProgress).to.equal(0)
+    expect(monitor.currentTrackPercentage).to.equal(10)
+    expect(trackStartedCallback.calledOnceWithExactly(0)).to.be.true
+    expect(progressCallback.calledTwice).to.be.true
+    expect(progressCallback.calledWithExactly(0, 50, 5)).to.be.true
+    expect(progressCallback.calledWithExactly(0, 70, 7)).to.be.true
+    expect(trackFinishedCallback.notCalled).to.be.true
+  })
+
+  it('should update the progress multiple times on different tracks', () => {
+    monitor = new TrackProgressMonitor(trackDurations, trackStartedCallback, progressCallback, trackFinishedCallback)
+    monitor.update(5)
+    monitor.update(20)
+
+    expect(monitor.currentTrackIndex).to.equal(1)
+    expect(monitor.cummulativeProgress).to.equal(10)
+    expect(monitor.currentTrackPercentage).to.equal(40)
+    expect(trackStartedCallback.calledTwice).to.be.true
+    expect(trackStartedCallback.calledWithExactly(0)).to.be.true
+    expect(trackStartedCallback.calledWithExactly(1)).to.be.true
+    expect(progressCallback.calledTwice).to.be.true
+    expect(progressCallback.calledWithExactly(0, 50, 5)).to.be.true
+    expect(progressCallback.calledWithExactly(1, 25, 20)).to.be.true
+    expect(trackFinishedCallback.calledOnceWithExactly(0)).to.be.true
+  })
+
+  it('should finish all tracks', () => {
+    monitor = new TrackProgressMonitor(trackDurations, trackStartedCallback, progressCallback, trackFinishedCallback)
+    monitor.finish()
+
+    expect(monitor.allTracksFinished).to.be.true
+    expect(trackStartedCallback.calledThrice).to.be.true
+    expect(trackFinishedCallback.calledThrice).to.be.true
+    expect(progressCallback.notCalled).to.be.true
+    expect(trackStartedCallback.calledWithExactly(0)).to.be.true
+    expect(trackFinishedCallback.calledWithExactly(0)).to.be.true
+    expect(trackStartedCallback.calledWithExactly(1)).to.be.true
+    expect(trackFinishedCallback.calledWithExactly(1)).to.be.true
+    expect(trackStartedCallback.calledWithExactly(2)).to.be.true
+    expect(trackFinishedCallback.calledWithExactly(2)).to.be.true
+  })
+})