koel/resources/assets/js/__tests__/services/download.spec.ts

import { downloadService } from '@/services'
import { favoriteStore } from '@/stores'
import factory from '@/__tests__/factory'
import { mock } from '@/__tests__/__helpers__'

describe('services/download', () => {
  afterEach(() => {
    jest.resetModules()
    jest.restoreAllMocks()
    jest.clearAllMocks()
  })

  it('downloads songs', () => {
    const triggerMock = mock(downloadService, 'trigger')
    downloadService.fromSongs([factory<Song>('song', { id: 'foo' }), factory<Song>('song', { id: 'bar' })])

    expect(triggerMock).toHaveBeenCalledWith('songs?songs[]=bar&songs[]=foo&')
  })

  it('downloads all by artist', () => {
    const triggerMock = mock(downloadService, 'trigger')
    downloadService.fromArtist(factory<Artist>('artist', { id: 42 }))

    expect(triggerMock).toHaveBeenCalledWith('artist/42')
  })

  it('downloads all in album', () => {
    const triggerMock = mock(downloadService, 'trigger')
    downloadService.fromAlbum(factory<Album>('album', { id: 42 }))

    expect(triggerMock).toHaveBeenCalledWith('album/42')
  })

  it.each<[Song[], boolean]>([[[], false], [factory<Song>('song', 5), true]])(
    'downloads playlist if available',
    (songs, triggered) => {
      const triggerMock = mock(downloadService, 'trigger')
      downloadService.fromPlaylist(factory<Playlist>('playlist', { id: 42, songs }))

      triggered
        ? expect(triggerMock).toHaveBeenCalledWith('playlist/42')
        : expect(triggerMock).not.toHaveBeenCalled()
    })

  it.each<[Song[], boolean]>([[[], false], [factory<Song>('song', 5), true]])(
    'downloads favorites if available',
    (songs, triggered) => {
      const triggerMock = mock(downloadService, 'trigger')
      favoriteStore.all = songs
      downloadService.fromFavorites()

      triggered
        ? expect(triggerMock).toHaveBeenCalledWith('favorites')
        : expect(triggerMock).not.toHaveBeenCalled()
    })
})