250 lines
10 KiB
JavaScript
250 lines
10 KiB
JavaScript
const { expect } = require('chai')
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const sinon = require('sinon')
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const fileUtils = require('../../../server/utils/fileUtils')
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const fs = require('../../../server/libs/fsExtra')
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const EventEmitter = require('events')
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const { generateFFMetadata, addCoverAndMetadataToFile } = require('../../../server/utils/ffmpegHelpers')
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global.isWin = process.platform === 'win32'
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describe('generateFFMetadata', () => {
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function createTestSetup() {
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const metadata = {
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title: 'My Audiobook',
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artist: 'John Doe',
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album: 'Best Audiobooks'
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}
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const chapters = [
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{ start: 0, end: 1000, title: 'Chapter 1' },
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{ start: 1000, end: 2000, title: 'Chapter 2' }
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]
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return { metadata, chapters }
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}
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let metadata = null
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let chapters = null
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beforeEach(() => {
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const input = createTestSetup()
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metadata = input.metadata
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chapters = input.chapters
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})
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it('should generate ffmetadata content with chapters', () => {
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const result = generateFFMetadata(metadata, chapters)
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expect(result).to.equal(';FFMETADATA1\ntitle=My Audiobook\nartist=John Doe\nalbum=Best Audiobooks\n\n[CHAPTER]\nTIMEBASE=1/1000\nSTART=0\nEND=1000000\ntitle=Chapter 1\n\n[CHAPTER]\nTIMEBASE=1/1000\nSTART=1000000\nEND=2000000\ntitle=Chapter 2\n')
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})
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it('should generate ffmetadata content without chapters', () => {
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chapters = null
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const result = generateFFMetadata(metadata, chapters)
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expect(result).to.equal(';FFMETADATA1\ntitle=My Audiobook\nartist=John Doe\nalbum=Best Audiobooks\n')
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})
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it('should handle chapters with no title', () => {
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chapters = [
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{ start: 0, end: 1000 },
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{ start: 1000, end: 2000 }
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]
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const result = generateFFMetadata(metadata, chapters)
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expect(result).to.equal(';FFMETADATA1\ntitle=My Audiobook\nartist=John Doe\nalbum=Best Audiobooks\n\n[CHAPTER]\nTIMEBASE=1/1000\nSTART=0\nEND=1000000\n\n[CHAPTER]\nTIMEBASE=1/1000\nSTART=1000000\nEND=2000000\n')
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})
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it('should handle metadata escaping special characters (=, ;, #, and a newline)', () => {
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metadata.title = 'My Audiobook; with = special # characters\n'
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chapters[0].title = 'Chapter #1'
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const result = generateFFMetadata(metadata, chapters)
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expect(result).to.equal(';FFMETADATA1\ntitle=My Audiobook\\; with \\= special \\# characters\\\n\nartist=John Doe\nalbum=Best Audiobooks\n\n[CHAPTER]\nTIMEBASE=1/1000\nSTART=0\nEND=1000000\ntitle=Chapter \\#1\n\n[CHAPTER]\nTIMEBASE=1/1000\nSTART=1000000\nEND=2000000\ntitle=Chapter 2\n')
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})
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})
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describe('addCoverAndMetadataToFile', () => {
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function createTestSetup() {
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const audioFilePath = '/path/to/audio/file.mp3'
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const coverFilePath = '/path/to/cover/image.jpg'
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const metadataFilePath = '/path/to/metadata/file.txt'
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const track = 1
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const mimeType = 'audio/mpeg'
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const ffmpegStub = new EventEmitter()
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ffmpegStub.input = sinon.stub().returnsThis()
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ffmpegStub.outputOptions = sinon.stub().returnsThis()
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ffmpegStub.output = sinon.stub().returnsThis()
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ffmpegStub.input = sinon.stub().returnsThis()
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ffmpegStub.run = sinon.stub().callsFake(() => {
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ffmpegStub.emit('end')
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})
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const copyStub = sinon.stub().resolves()
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const fsRemoveStub = sinon.stub(fs, 'remove').resolves()
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return { audioFilePath, coverFilePath, metadataFilePath, track, mimeType, ffmpegStub, copyStub, fsRemoveStub }
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}
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let audioFilePath = null
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let coverFilePath = null
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let metadataFilePath = null
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let track = null
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let mimeType = null
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let ffmpegStub = null
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let copyStub = null
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let fsRemoveStub = null
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beforeEach(() => {
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const input = createTestSetup()
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audioFilePath = input.audioFilePath
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coverFilePath = input.coverFilePath
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metadataFilePath = input.metadataFilePath
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track = input.track
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mimeType = input.mimeType
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ffmpegStub = input.ffmpegStub
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copyStub = input.copyStub
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fsRemoveStub = input.fsRemoveStub
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})
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it('should add cover image and metadata to audio file', async () => {
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// Act
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await addCoverAndMetadataToFile(audioFilePath, coverFilePath, metadataFilePath, track, mimeType, null, ffmpegStub, copyStub)
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// Assert
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expect(ffmpegStub.input.calledThrice).to.be.true
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expect(ffmpegStub.input.getCall(0).args[0]).to.equal(audioFilePath)
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expect(ffmpegStub.input.getCall(1).args[0]).to.equal(metadataFilePath)
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expect(ffmpegStub.input.getCall(2).args[0]).to.equal(coverFilePath)
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expect(ffmpegStub.outputOptions.callCount).to.equal(4)
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expect(ffmpegStub.outputOptions.getCall(0).args[0]).to.deep.equal(['-map 0:a', '-map_metadata 1', '-map_metadata 0', '-map_chapters 1', '-c copy'])
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expect(ffmpegStub.outputOptions.getCall(1).args[0]).to.deep.equal(['-metadata track=1'])
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expect(ffmpegStub.outputOptions.getCall(2).args[0]).to.deep.equal(['-id3v2_version 3'])
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expect(ffmpegStub.outputOptions.getCall(3).args[0]).to.deep.equal(['-map 2:v', '-disposition:v:0 attached_pic', '-metadata:s:v', 'title=Cover', '-metadata:s:v', 'comment=Cover'])
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expect(ffmpegStub.output.calledOnce).to.be.true
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expect(ffmpegStub.output.firstCall.args[0]).to.equal('/path/to/audio/file.tmp.mp3')
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expect(ffmpegStub.run.calledOnce).to.be.true
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expect(copyStub.calledOnce).to.be.true
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expect(copyStub.firstCall.args[0]).to.equal('/path/to/audio/file.tmp.mp3')
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expect(copyStub.firstCall.args[1]).to.equal('/path/to/audio/file.mp3')
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expect(fsRemoveStub.calledOnce).to.be.true
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expect(fsRemoveStub.firstCall.args[0]).to.equal('/path/to/audio/file.tmp.mp3')
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// Restore the stub
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sinon.restore()
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})
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it('should handle missing cover image', async () => {
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// Arrange
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coverFilePath = null
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// Act
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await addCoverAndMetadataToFile(audioFilePath, coverFilePath, metadataFilePath, track, mimeType, null, ffmpegStub, copyStub)
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// Assert
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expect(ffmpegStub.input.calledTwice).to.be.true
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expect(ffmpegStub.input.getCall(0).args[0]).to.equal(audioFilePath)
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expect(ffmpegStub.input.getCall(1).args[0]).to.equal(metadataFilePath)
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expect(ffmpegStub.outputOptions.callCount).to.equal(4)
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expect(ffmpegStub.outputOptions.getCall(0).args[0]).to.deep.equal(['-map 0:a', '-map_metadata 1', '-map_metadata 0', '-map_chapters 1', '-c copy'])
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expect(ffmpegStub.outputOptions.getCall(1).args[0]).to.deep.equal(['-metadata track=1'])
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expect(ffmpegStub.outputOptions.getCall(2).args[0]).to.deep.equal(['-id3v2_version 3'])
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expect(ffmpegStub.outputOptions.getCall(3).args[0]).to.deep.equal(['-map 0:v?'])
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expect(ffmpegStub.output.calledOnce).to.be.true
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expect(ffmpegStub.output.firstCall.args[0]).to.equal('/path/to/audio/file.tmp.mp3')
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expect(ffmpegStub.run.calledOnce).to.be.true
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expect(copyStub.callCount).to.equal(1)
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expect(copyStub.firstCall.args[0]).to.equal('/path/to/audio/file.tmp.mp3')
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expect(copyStub.firstCall.args[1]).to.equal('/path/to/audio/file.mp3')
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expect(fsRemoveStub.calledOnce).to.be.true
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expect(fsRemoveStub.firstCall.args[0]).to.equal('/path/to/audio/file.tmp.mp3')
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// Restore the stub
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sinon.restore()
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})
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it('should handle error during ffmpeg execution', async () => {
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// Arrange
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ffmpegStub.run = sinon.stub().callsFake(() => {
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ffmpegStub.emit('error', new Error('FFmpeg error'))
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})
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// Act
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try {
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await addCoverAndMetadataToFile(audioFilePath, coverFilePath, metadataFilePath, track, mimeType, null, ffmpegStub, copyStub)
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expect.fail('Expected an error to be thrown')
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} catch (error) {
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// Assert
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expect(error.message).to.equal('FFmpeg error')
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}
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// Assert
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expect(ffmpegStub.input.calledThrice).to.be.true
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expect(ffmpegStub.input.getCall(0).args[0]).to.equal(audioFilePath)
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expect(ffmpegStub.input.getCall(1).args[0]).to.equal(metadataFilePath)
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expect(ffmpegStub.input.getCall(2).args[0]).to.equal(coverFilePath)
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expect(ffmpegStub.outputOptions.callCount).to.equal(4)
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expect(ffmpegStub.outputOptions.getCall(0).args[0]).to.deep.equal(['-map 0:a', '-map_metadata 1', '-map_metadata 0', '-map_chapters 1', '-c copy'])
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expect(ffmpegStub.outputOptions.getCall(1).args[0]).to.deep.equal(['-metadata track=1'])
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expect(ffmpegStub.outputOptions.getCall(2).args[0]).to.deep.equal(['-id3v2_version 3'])
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expect(ffmpegStub.outputOptions.getCall(3).args[0]).to.deep.equal(['-map 2:v', '-disposition:v:0 attached_pic', '-metadata:s:v', 'title=Cover', '-metadata:s:v', 'comment=Cover'])
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expect(ffmpegStub.output.calledOnce).to.be.true
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expect(ffmpegStub.output.firstCall.args[0]).to.equal('/path/to/audio/file.tmp.mp3')
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expect(ffmpegStub.run.calledOnce).to.be.true
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expect(copyStub.called).to.be.false
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expect(fsRemoveStub.called).to.be.false
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// Restore the stub
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sinon.restore()
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})
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it('should handle m4b embedding', async () => {
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// Arrange
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mimeType = 'audio/mp4'
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audioFilePath = '/path/to/audio/file.m4b'
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// Act
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await addCoverAndMetadataToFile(audioFilePath, coverFilePath, metadataFilePath, track, mimeType, null, ffmpegStub, copyStub)
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// Assert
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expect(ffmpegStub.input.calledThrice).to.be.true
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expect(ffmpegStub.input.getCall(0).args[0]).to.equal(audioFilePath)
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expect(ffmpegStub.input.getCall(1).args[0]).to.equal(metadataFilePath)
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expect(ffmpegStub.input.getCall(2).args[0]).to.equal(coverFilePath)
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expect(ffmpegStub.outputOptions.callCount).to.equal(4)
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expect(ffmpegStub.outputOptions.getCall(0).args[0]).to.deep.equal(['-map 0:a', '-map_metadata 1', '-map_metadata 0', '-map_chapters 1', '-c copy'])
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expect(ffmpegStub.outputOptions.getCall(1).args[0]).to.deep.equal(['-metadata track=1'])
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expect(ffmpegStub.outputOptions.getCall(2).args[0]).to.deep.equal(['-f mp4'])
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expect(ffmpegStub.outputOptions.getCall(3).args[0]).to.deep.equal(['-map 2:v', '-disposition:v:0 attached_pic', '-metadata:s:v', 'title=Cover', '-metadata:s:v', 'comment=Cover'])
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expect(ffmpegStub.output.calledOnce).to.be.true
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expect(ffmpegStub.output.firstCall.args[0]).to.equal('/path/to/audio/file.tmp.m4b')
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expect(ffmpegStub.run.calledOnce).to.be.true
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expect(copyStub.calledOnce).to.be.true
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expect(copyStub.firstCall.args[0]).to.equal('/path/to/audio/file.tmp.m4b')
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expect(copyStub.firstCall.args[1]).to.equal('/path/to/audio/file.m4b')
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expect(fsRemoveStub.calledOnce).to.be.true
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expect(fsRemoveStub.firstCall.args[0]).to.equal('/path/to/audio/file.tmp.m4b')
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// Restore the stub
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sinon.restore()
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})
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})
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