public void Buy_NotEnoughQuantity_ThrowException()
{
NotEnoughInventoryException expectedExcetpion = null;
try
{
double price = _store.Buy(
"Isaac Asimov - Robot series",
"Isaac Asimov - Foundation",
"Isaac Asimov - Foundation",
"Isaac Asimov - Foundation",
"J.K Rowling - Goblet Of fire",
"J.K Rowling - Goblet Of fire",
"J.K Rowling - Goblet Of fire");
}
catch (NotEnoughInventoryException exception)
{
expectedExcetpion = exception;
}
Assert.IsNotNull(expectedExcetpion);
List <INameQuantity> missing = expectedExcetpion.Missing.ToList();
Assert.AreEqual(2, missing.Count);
INameQuantity asimov = missing.SingleOrDefault(e => e.Name == "Isaac Asimov - Foundation");
Assert.IsNotNull(asimov);
Assert.AreEqual(2, asimov.Quantity);
INameQuantity rowling = missing.SingleOrDefault(e => e.Name == "J.K Rowling - Goblet Of fire");
Assert.IsNotNull(rowling);
Assert.AreEqual(1, rowling.Quantity);
}
public void When_BuyMoreThanAvaliableBooks_Expect_Exception()
{
IBasketCalculator calc = new InfrastructureLayer.BasketCalculators.BasketCalcTechRule();
NotEnoughInventoryException exception = Assert.Throws <NotEnoughInventoryException>(() => calc.CalculateCatalogPrice(new List <Catalog>()
{
Book2, Book2, Book2
}));
Assert.AreEqual(Book2.Name, exception.Missing.First().Name);
Assert.AreEqual(Book2.Quantity, exception.Missing.First().Quantity);
}
public void Buy_ShouldThrowExceptionWithListOfBookNotAvailable_IfQuantityIsNotEnough()
{
// Arrange
string[] bookNames = new string[] { "Isaac Asimov - Foundation", "Isaac Asimov - Foundation" };
StoreService storeService = new StoreService();
storeService.Import(VALID_JSON_STRING, out string errorMessage);
//Act
NotEnoughInventoryException ex = Assert.Throws <NotEnoughInventoryException>(() => storeService.Buy(bookNames));
// Assert
Assert.NotEmpty(ex.Missing);
Assert.Single(ex.Missing);
Assert.Equal(bookNames[0], ex.Missing.FirstOrDefault().Name);
Assert.NotNull(ex.Message);
Assert.Equal("NotEnoughInventoryException", ex.Message);
}
public NotEnoughInventoryException ValidateBasket(List <Basket> basketToValidate, IEnumerable <Catalog> catalogData)
{
NotEnoughInventoryException exception = new NotEnoughInventoryException();
foreach (var product in basketToValidate)
{
var stock = catalogData.Where(n => n.Name == product.Name).First().Quantity;
if (product.Quantity > stock)
{
NameQuantity missing = new NameQuantity();;
missing.createException(product.Name, product.Quantity);
exception.AddException(missing);
}
}
if (exception.Missing != null)
{
throw exception;
}
else
{
return(null);
}
}
