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import { RecommendedVideosStore } from '@app/videos/recommendations/recommended-videos.store'
import { RecommendationService } from '@app/videos/recommendations/recommendations.service'
describe('RecommendedVideosStore', () => {
describe('requestNewRecommendations', () => {
let store: RecommendedVideosStore
let service: RecommendationService
beforeEach(() => {
service = {
getRecommendations: jest.fn(() => new Promise((r) => r()))
}
store = new RecommendedVideosStore(service)
})
it('should pull new videos from the service one time when given the same UUID twice', () => {
store.requestNewRecommendations('some-uuid')
store.requestNewRecommendations('some-uuid')
// Requests aren't fulfilled until someone asks for them (ie: subscribes)
store.recommendations$.subscribe()
expect(service.getRecommendations).toHaveBeenCalledTimes(1)
})
})
})
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