mirror of https://github.com/Chocobozzz/PeerTube
67 lines
2.4 KiB
TypeScript
67 lines
2.4 KiB
TypeScript
import { RecentVideosRecommendationService } from '@app/videos/recommendations/recent-videos-recommendation.service'
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import { VideosProvider } from '@app/shared/video/video.service'
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import { EMPTY, of } from 'rxjs'
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import Mock = jest.Mock
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describe('"Recent Videos" Recommender', () => {
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describe('getRecommendations', () => {
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let videosService: VideosProvider
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let service: RecentVideosRecommendationService
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let getVideosMock: Mock<any>
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beforeEach(() => {
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getVideosMock = jest.fn(() => EMPTY)
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videosService = {
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getVideos: getVideosMock
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}
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service = new RecentVideosRecommendationService(videosService)
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})
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it('should filter out the given UUID from the results', async (done) => {
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const vids = [
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{ uuid: 'uuid1' },
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{ uuid: 'uuid2' }
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]
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getVideosMock.mockReturnValueOnce(of({ videos: vids }))
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const result = await service.getRecommendations({ uuid: 'uuid1' }).toPromise()
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const uuids = result.map(v => v.uuid)
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expect(uuids).toEqual(['uuid2'])
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done()
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})
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it('should return 5 results when the given UUID is NOT in the first 5 results', async (done) => {
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const vids = [
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{ uuid: 'uuid2' },
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{ uuid: 'uuid3' },
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{ uuid: 'uuid4' },
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{ uuid: 'uuid5' },
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{ uuid: 'uuid6' },
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{ uuid: 'uuid7' }
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]
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getVideosMock.mockReturnValueOnce(of({ videos: vids }))
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const result = await service.getRecommendations({ uuid: 'uuid1' }).toPromise()
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expect(result.length).toEqual(5)
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done()
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})
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it('should return 5 results when the given UUID IS PRESENT in the first 5 results', async (done) => {
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const vids = [
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{ uuid: 'uuid1' },
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{ uuid: 'uuid2' },
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{ uuid: 'uuid3' },
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{ uuid: 'uuid4' },
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{ uuid: 'uuid5' },
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{ uuid: 'uuid6' }
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]
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getVideosMock
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.mockReturnValueOnce(of({ videos: vids }))
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const result = await service.getRecommendations({ uuid: 'uuid1' }).toPromise()
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expect(result.length).toEqual(5)
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done()
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})
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it('should fetch an extra result in case the given UUID is in the list', async (done) => {
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await service.getRecommendations({ uuid: 'uuid1' }).toPromise()
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let expectedSize = service.pageSize + 1
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let params = { currentPage: jasmine.anything(), itemsPerPage: expectedSize }
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expect(getVideosMock).toHaveBeenCalledWith(params, jasmine.anything())
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done()
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})
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})
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})
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