public async Task GivenItemNotInCart_AddOrUpdate_SetsCountToOne()
{
//arrange
var actual = new Repositories.Entities.Cart {
Count = 0
};
Mapper.Setup(mapper => mapper.Map <Repositories.Entities.Cart>(It.IsAny <Cart>())).Returns(actual);
var sut = new CartService(CartCalculatorService.Object, CartRepository.Object, Mapper.Object);
//act
await sut.AddOrUpdate(new Cart());
//assert
Assert.True(actual.Count == 1);
}
