public async Task RecommendedStrategyTest()
{
var product1 = "Product 1";
var product2 = "Product 2";
var product3 = "Product 3";
var shopperHistories = new List <ShopperHistory>
{
new ShopperHistory
{
CustomerId = 1,
Products = new [] { new Product {
Name = product2, Quantity = 1
}, new Product {
Name = product3, Quantity = 1
} }
},
new ShopperHistory
{
CustomerId = 2,
Products = new [] { new Product {
Name = product2, Quantity = 1
} }
}
};
var mockResourceProvider = SetupMockResourceProviderWithShoppingHistory(shopperHistories);
var sortingStrategy = new RecommendedSortingStrategy(mockResourceProvider);
Assert.AreEqual(SortOption.Recommended, sortingStrategy.GetSortType);
var testUnsortedProducts = new List <Product>
{
new Product {
Name = product1
},
new Product {
Name = product2
},
new Product {
Name = product3
}
};
var sortedProducts = (await sortingStrategy.GetSortedProducts(testUnsortedProducts)).ToList();
Assert.AreEqual(testUnsortedProducts.Count, sortedProducts.Count);
Assert.AreEqual(product2, sortedProducts[0].Name);
Assert.AreEqual(product3, sortedProducts[1].Name);
Assert.AreEqual(product1, sortedProducts[2].Name);
}
public SortingStrategyFactory(
AscendingSortingStrategy ascendingSortingStrategy,
DescendingSortingStrategy descendingSortingStrategy,
HighSortingStrategy highSortingStrategy,
LowSortingStrategy lowSortingStrategy,
RecommendedSortingStrategy recommendedSortingStrategy)
{
_ascendingSortingStrategy = ascendingSortingStrategy ?? throw new ArgumentNullException(nameof(ascendingSortingStrategy));
_descendingSortingStrategy = descendingSortingStrategy ?? throw new ArgumentNullException(nameof(descendingSortingStrategy));
_highSortingStrategy = highSortingStrategy ?? throw new ArgumentNullException(nameof(highSortingStrategy));
_lowSortingStrategy = lowSortingStrategy ?? throw new ArgumentNullException(nameof(lowSortingStrategy));
_recommendedSortingStrategy = recommendedSortingStrategy ?? throw new ArgumentNullException(nameof(recommendedSortingStrategy));
}