public void ScanningABook_ThatsAlreadyScanned_ResultsInAlreadyScannedError(IEventAggregator eventAggregator
, IBookDAO bookDao
, [Frozen] IBook book
, ILoanDAO loanDao
, IMemberDAO memberDao
, ScanBookModel scanBookModel
, IBorrowingModel borrowingModel
, ScanBookViewModel viewModel
, List<ILoan> loanList
, [Frozen] Member borrower)
{
// Arrange - Setup a book that has already been scanned.
// Mock the events.
eventAggregator.GetEvent<BorrowingStateEvent>().Returns(new BorrowingStateEvent());
eventAggregator.GetEvent<ScanningRecievedEvent>().Returns(new ScanningRecievedEvent());
eventAggregator.GetEvent<ScanningEvent>().Returns(new ScanningEvent());
// We are currently in the scanning book state.
borrowingModel.BorrowingState.Returns(EBorrowState.SCANNING_BOOKS);
// Establish the current user identified on borrowing model, and returned from member dao.
borrowingModel.ID = borrower.ID;
memberDao.GetMemberByID(borrower.ID).Returns(borrower);
// Configure mapping.
AutoMapperConfig.RegisterMaps();
// One of the loans in the loan list has a status of pending for the current borrower.
var existingLoan = loanList.First();
existingLoan.State.Returns(LoanState.PENDING);
existingLoan.Borrower.Returns(borrower);
// The loan Dao returns this loan list when requested
loanDao.LoanList.Returns(loanList);
// The book to be scanned is the same book as already scanned.
bookDao.GetBookByID(scanBookModel.Barcode).Returns(existingLoan.Book);
// The book is available for loan.
existingLoan.Book.State.Returns(BookState.AVAILABLE);
var controller = new ScanBookController(eventAggregator)
{
BookDao = bookDao,
LoanDao = loanDao,
MemberDao = memberDao,
ViewModel = viewModel
};
// Prepare Scanner
controller.ScanBook(borrowingModel);
// Act -Scan a book.
controller.Scanning(scanBookModel);
// Assert - Already scanned error message appears.
viewModel.ErrorMessage.Should().Be($"Book {existingLoan.Book.ID} already scanned ");
}
public void ScanningABook_ThatCanBeBorrowed_ShouldBeAddedToPendingLoans(
IEventAggregator eventAggregator
, [Frozen] IBookDAO bookDao
, ILoanDAO loanDao
, IMemberDAO memberDao
, ScanBookModel scanBookModel
, ScanBookViewModel viewModel
, Book book
, IBorrowingModel borrowingModel
, Member borrower
, List<ILoan> loanList )
{
var fixture = new Fixture();
var loan = fixture.Build<Loan>()
.FromFactory(() => new Loan(book, borrower, DateTime.Today, DateTime.Today.AddDays(10)))
.Create();
eventAggregator.GetEvent<ScanningRecievedEvent>().Returns(new ScanningRecievedEvent());
eventAggregator.GetEvent<BorrowingStateEvent>().Returns(new BorrowingStateEvent());
eventAggregator.GetEvent<ScanningEvent>().Returns(new ScanningEvent());
// Arrange - Setup book on loan.
bookDao.GetBookByID(scanBookModel.Barcode).Returns(book);
// We are currently in the scanning book state.
borrowingModel.BorrowingState.Returns(EBorrowState.SCANNING_BOOKS);
// Establish the current user identified on borrowing model, and returned from member dao.
borrowingModel.ID = borrower.ID;
memberDao.GetMemberByID(borrower.ID).Returns(borrower);
// Configure mapping.
AutoMapperConfig.RegisterMaps();
loanDao.LoanList.Returns(loanList);
var controller = new ScanBookController(eventAggregator)
{
BookDao = bookDao,
LoanDao = loanDao,
MemberDao = memberDao,
ViewModel = viewModel
};
loanDao.CreateLoan(borrower, book, Arg.Any<DateTime>(), Arg.Any<DateTime>()).Returns(loan);
controller.ScanBook(borrowingModel);
// Act -Scan a book.
controller.Scanning(scanBookModel);
// Assert - Results in an error message.
viewModel.PendingLoans.Should().NotBeNullOrEmpty();
}