koel/resources/assets/js/components/screens/GenreScreen.spec.ts

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import { expect, it } from 'vitest'
import { screen, waitFor } from '@testing-library/vue'
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import factory from '@/__tests__/factory'
import UnitTestCase from '@/__tests__/UnitTestCase'
import { genreStore, songStore } from '@/stores'
import { playbackService } from '@/services'
import GenreScreen from './GenreScreen.vue'
new class extends UnitTestCase {
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protected test () {
it('renders the song list', async () => {
await this.renderComponent()
expect(screen.getByTestId('song-list')).toBeTruthy()
})
it('shuffles all songs without fetching if genre has <= 500 songs', async () => {
const genre = factory<Genre>('genre', { song_count: 10 })
const songs = factory<Song>('song', 10)
const playbackMock = this.mock(playbackService, 'queueAndPlay')
await this.renderComponent(genre, songs)
await this.user.click(screen.getByTitle('Shuffle all. Press Alt/⌥ to change mode.'))
expect(playbackMock).toHaveBeenCalledWith(songs, true)
})
it('fetches and shuffles all songs if genre has > 500 songs', async () => {
const genre = factory<Genre>('genre', { song_count: 501 })
const songs = factory<Song>('song', 10) // we don't really need to generate 501 songs
const playbackMock = this.mock(playbackService, 'queueAndPlay')
const fetchMock = this.mock(songStore, 'fetchRandomForGenre').mockResolvedValue(songs)
await this.renderComponent(genre, songs)
await this.user.click(screen.getByTitle('Shuffle all. Press Alt/⌥ to change mode.'))
await waitFor(() => {
expect(fetchMock).toHaveBeenCalledWith(genre, 500)
expect(playbackMock).toHaveBeenCalledWith(songs)
})
})
}
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private async renderComponent (genre?: Genre, songs?: Song[]) {
genre = genre || factory<Genre>('genre')
const fetchGenreMock = this.mock(genreStore, 'fetchOne').mockResolvedValue(genre)
const paginateMock = this.mock(songStore, 'paginateForGenre').mockResolvedValue({
nextPage: 2,
songs: songs || factory<Song>('song', 13)
})
await this.router.activateRoute({
path: `genres/${genre.name}`,
screen: 'Genre'
}, { name: genre.name })
const rendered = this.render(GenreScreen, {
global: {
stubs: {
SongList: this.stub('song-list')
}
}
})
await waitFor(() => {
expect(fetchGenreMock).toHaveBeenCalledWith(genre!.name)
expect(paginateMock).toHaveBeenCalledWith(genre!.name, {
sort: 'title',
order: 'asc',
page: 1
})
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})
await this.tick(2)
return rendered
}
}