public void AddExistingBookWithQuantityInvalidNotModifyingQuantity(string isbn, string name, int quantity)
{
var mockValidator = new Mock <IValidationService>();
mockValidator.Setup(x => x.IsValidQuantity(quantity)).Returns(false);
var dependencyService = new DependencyService();
dependencyService.Register <IValidationService>(mockValidator.Object);
var availableBooks = new List <BookProductInfo> {
new BookProductInfo {
Book = new Book {
ISBN = isbn, Name = name
}, Quantity = 1
}
};
var library = new LibraryRepository(availableBooks, dependencyService);
var addResult = library.AddExistingBook(isbn, quantity);
Assert.False(addResult);
var addedBook = Assert.Single(library.AvailableBooks);
Assert.NotNull(addedBook);
Assert.Equal(1, addedBook.Quantity);
}
public void AddQuantityBookButBookNotFound(string isbn)
{
var mockValidator = new Mock <IValidationService>();
mockValidator.Setup(x => x.IsValidQuantity(1)).Returns(true);
var dependencyService = new DependencyService();
dependencyService.Register <IValidationService>(mockValidator.Object);
var availableBooks = new List <BookProductInfo>();
var library = new LibraryRepository(availableBooks, dependencyService);
var addResult = library.AddExistingBook(isbn);
Assert.False(addResult);
Assert.Empty(library.AvailableBooks);
}