public void When_Applies_Discounts_To_Products_And_There_Is_No_Products_Then_Returns_Empty_List()
{
// Arrange
var discounts = new List <ProductCategoryDiscount> {
ProductCategoryDiscount
};
// Act
var result = sut.ApplyDiscountsToProducts(new List <Product>(), discounts);
// Assert
result.Should().BeEquivalentTo(new List <ApplyDiscountsToProductsResult>());
}
public void ApplyDiscountsToProducts_ForEmptyDiscounts_NotReturnsNull()
{
// arrange
var products = new List <Product>
{
new Product("", "", 35, "", "", true, "", "")
};
var discounts = new List <ProductCategoryDiscount>();
var sut = new ProductCategoryDiscountQueryService(categoryDiscountRepository.Object,
productCategoryRepository.Object, discountCategoryRepository.Object, mapper.Object);
// act
var result = sut.ApplyDiscountsToProducts(products, discounts);
// assert
result.Should().NotBeNull();
}
public void ApplyDiscountToProducts_ReturnProductsIfDifferentDiscount()
{
// arrange
var data = PrepareProductsWithDiscounts();
// product and discount are not joined
var products = data.Item1;
var discounts = data.Item2;
// act
var sut = new ProductCategoryDiscountQueryService(categoryDiscountRepository.Object,
productCategoryRepository.Object, discountCategoryRepository.Object, mapper.Object);
var result = sut.ApplyDiscountsToProducts(products, discounts);
var productsWithoutDiscounts = result.Where(s => s.Item2 == null);
// assert
productsWithoutDiscounts.Count().Should().Be(1);
}
public void ApplyDiscountToProducts_WhenAreDiscounts_ReturnValidPairs()
{
// arrange
var(products, discounts) = PrepareProductsWithDiscounts();
var expected = new List <(int, ProductCategoryDiscount)>
{
(products[0].Id, discounts[0]),
(products[1].Id, discounts[0]),
(products[2].Id, discounts[1]),
(products[3].Id, null)
};
// act
var sut = new ProductCategoryDiscountQueryService(categoryDiscountRepository.Object,
productCategoryRepository.Object, discountCategoryRepository.Object, mapper.Object);
var result = sut.ApplyDiscountsToProducts(products, discounts);
// assert
result.Count.Should().Be(products.Count);
result.Should().BeEquivalentTo(expected);
}