public void AddToFavorites_IsAddedToFavorites(int id)
{
var product = new Product {
ProductId = id, IsFavorite = false
};
var productRepositoryMock = new Mock <IProductRepository>();
productRepositoryMock.Setup(repository => repository.GetProductById(id)).Returns(product);
var sut = new FavoriteService(productRepositoryMock.Object);
sut.AddToFavorites(product);
product.IsFavorite.Should().BeTrue();
}
public void AddToFavorites_CallsUpdateProduct(int id)
{
var product = new Product {
ProductId = id
};
var productRepositoryMock = new Mock <IProductRepository>();
productRepositoryMock.Setup(repository => repository.GetProductById(id)).Returns(product);
var sut = new FavoriteService(productRepositoryMock.Object);
sut.AddToFavorites(product);
productRepositoryMock.Verify(repository => repository.UpdateProduct(product));
}