BasketServiceTests.swift

class BasketServiceTests: XCTestCase {
    func testAddAllArticles() {
        let expectedArticle = Article(title: "Article 1")
        let mockRepository = MockRepository<Article>(objects: [expectedArticle])
        let basketService = BasketService(repository: mockRepository)
        let basket = Basket()

        basketService.addAllArticles(to: basket)

        XCTAssertEqual(basket.articles.count, 1)
        XCTAssertEqual(basket.articles[0], expectedArticle)
    }
}