audiobookshelf/test/server/providers/iTunes.test.js

const iTunes = require('../../../server/providers/iTunes')
const { expect } = require('chai')

describe('iTunes', () => {
  let itunes

  beforeEach(() => {
    itunes = new iTunes()
  })

  describe('cleanAudiobook', () => {
    function authorFrom(artistName) {
      return itunes.cleanAudiobook({ artistName }).author
    }

    it('should return an empty string if artistName is missing', () => {
      expect(authorFrom()).to.equal('')
      expect(authorFrom('')).to.equal('')
    })

    it('should keep a single author without commas', () => {
      expect(authorFrom('Joy Fielding')).to.equal('Joy Fielding')
    })

    it('should strip commas from a single author with a credential', () => {
      expect(authorFrom('Rick Hanson, PhD')).to.equal('Rick Hanson PhD')
    })

    it('should split two authors joined by an ampersand', () => {
      expect(authorFrom('Name1 & Name2')).to.equal('Name1, Name2')
    })

    it('should split three authors using commas and an ampersand', () => {
      expect(authorFrom('Keltie Knight, Becca Tobin & Jac Vanek')).to.equal('Keltie Knight, Becca Tobin, Jac Vanek')
    })

    it('should glue a one-word credential onto the previous author before the ampersand', () => {
      expect(authorFrom('Rick Hanson, PhD & Jane Doe')).to.equal('Rick Hanson PhD, Jane Doe')
    })

    it('should glue several one-word credentials in a row', () => {
      expect(authorFrom('Rick Hanson, PhD, MD & Jane Doe')).to.equal('Rick Hanson PhD MD, Jane Doe')
    })

    it('should strip commas from the last author', () => {
      expect(authorFrom('Rick Hanson & Jane Doe, PhD')).to.equal('Rick Hanson, Jane Doe PhD')
    })

    it('should glue credentials before the ampersand and strip commas from the last author', () => {
      expect(authorFrom('Rick Hanson, PhD & Jane Doe, PhD')).to.equal('Rick Hanson PhD, Jane Doe PhD')
    })
  })
})