public void InvokesGetUserOnce_When_AddBookToShoppingCartIsCalledWithCorrectParams()
{
var unitOfWorkMock = new Mock <IUnitOfWork>();
var mapperStub = new Mock <IMapper>();
var fakeUser = new BookstoreUser()
{
Id = 1
};
var fakeBook = new Book();
var fakeShoppingCart = new ShoppingCart()
{
UserId = 1
};
var fakeShoppingCarts = new List <ShoppingCart>()
{
fakeShoppingCart
}.AsQueryable();
var shoppingCartService = new ShoppingCartService(unitOfWorkMock.Object, mapperStub.Object);
unitOfWorkMock.Setup(x => x.ShoppingCartStatuses.GetById(It.IsAny <int>()));
unitOfWorkMock.Setup(x => x.Users.GetById(1)).Returns(fakeUser).Verifiable();
unitOfWorkMock.Setup(x => x.Books.GetById(1)).Returns(fakeBook);
unitOfWorkMock.Setup(x => x.ShoppingCarts.All()).Returns(fakeShoppingCarts);
shoppingCartService.AddBookToShoppingCart(1, 1);
unitOfWorkMock.Verify(x => x.Users.GetById(1), Times.Once);
}
public void ThrowArgumentException_When_AddBookToShoppingCartIsCalledWithNonExistentBookId()
{
var unitOfWorkMock = new Mock <IUnitOfWork>();
var mapperStub = new Mock <IMapper>();
var shoppingCartService = new ShoppingCartService(unitOfWorkMock.Object, mapperStub.Object);
var validBookId = -1;
var invalidUserId = 2;
Assert.ThrowsException <ArgumentException>(() => shoppingCartService.AddBookToShoppingCart(validBookId, invalidUserId));
}