public PostageResult CalculatePostageFor(Basket basket)
{
if (basket == null)
{
throw new ArgumentNullException("basket");
}
var postages = postageRepository.GetAll();
var postZone = basket.Country.PostZone;
var totalWeight = (int)basket.BasketItems
.Sum(bi => bi.TotalWeight);
var postageToApply = postages
.Where(p => totalWeight <= p.MaxWeight && p.IsActive)
.OrderBy(p => p.MaxWeight)
.FirstOrDefault();
var postageDescription = string.Format("for {0}", basket.Country.Name);
if (postageToApply == null)
{
return(PostageResult.WithDefault(postZone, postageDescription));
}
var multiplier = postZone.Multiplier;
var total = new Money(Math.Round(postageToApply.Price.Amount * multiplier, 2, MidpointRounding.AwayFromZero));
return(PostageResult.WithPrice(total, postageDescription));
}
public void Should_be_able_to_add_an_adjustment_to_an_order()
{
var order = new Order();
order.AddLine("widget 1", 1, new Money(12.34M), "abc", 102, "-");
order.AddLine("gadget 1", 2, new Money(3.55M), "def", 101, "-");
order.AddLine("gadget 1", 2, new Money(3.55M), "def", 101, "-");
order.Postage = PostageResult.WithPrice(new Money(1.33M), "for London");
var expectedAdjustedTotal = order.Total + new Money(-4.50M);
var adjustment = new OrderAdjustment
{
Description = "4.50 off for slight scuffing",
Amount = new Money(-4.50M)
};
order.AddAdjustment(adjustment);
order.Adjustments[0].ShouldBeTheSameAs(adjustment);
adjustment.Order.ShouldBeTheSameAs(order);
order.Adjustments[0].Description.ShouldEqual("4.50 off for slight scuffing");
order.Total.ShouldEqual(expectedAdjustedTotal);
}
public void OrderFromCheckoutViewData_should_calculate_the_correct_postage()
{
var postage = new PostageResult();
postageService.Stub(x => x.CalculatePostageFor(basket)).Return(postage);
var order = checkoutService.OrderFromCheckoutViewData(checkoutViewData, new ModelStateDictionary());
order.Postage.ShouldBeTheSameAs(postage);
}
public void OrderFromCheckoutViewData_should_calculate_the_correct_postage()
{
var postage = new PostageResult();
postageService.Stub(x => x.CalculatePostageFor(basket)).Return(postage);
var order = checkoutService.OrderFromCheckoutViewData(checkoutViewData, new ModelStateDictionary());
order.Postage.ShouldBeTheSameAs(postage);
}
public void TotalWithPostage_should_return_postageResult_postage()
{
var postageCost = new Money(5.66M);
var itemPrice = new Money(101.43M);
var order = new Order
{
Postage = PostageResult.WithPrice(postageCost, "postage desc")
};
order.AddLine("line1", 1, itemPrice, "", 1, "");
var expectedTotalWithPostage = postageCost + itemPrice;
order.TotalWithPostage.ShouldEqual(expectedTotalWithPostage.ToStringWithSymbol());
}
public void Index_should_return_postage_view()
{
const int basketId = 89;
var basket = BasketTests.Create350GramBasket();
basketRepository.Stub(b => b.GetById(basketId)).Return(basket);
var postageResult = PostageResult.WithPrice(new Money(34.56M), "postage description");
postageService.Stub(p => p.CalculatePostageFor(basket)).Return(postageResult);
postageDetailController.Index(basketId)
.ReturnsViewResult()
.ForView("Index")
.WithModel <PostageResultViewData>()
.AssertAreEqual("�.56", vd => vd.PostageTotal)
.AssertAreEqual("postage description", vd => vd.Description)
.AssertAreEqual("�5.58", vd => vd.TotalWithPostage)
.AssertAreSame(basket.Country, vd => vd.Country);
}
public ShopViewData WithTotalPostage(PostageResult postageResult)
{
this.PostageResult = postageResult;
return(this);
}
public ShopViewData WithTotalPostage(PostageResult postageResult)
{
this.PostageResult = postageResult;
return this;
}
