public void BorrowBookThrowsRuntimeExceptionIfBookIsNotCurrentlyAvailable()
{
// Set book state to something other than Available.
var book = new Book("author", "title", "call number", 1) {State = BookState.LOST};
var loan = Substitute.For<ILoan>();
// Associate the book with the loan.
var ex = Assert.Throws<InvalidOperationException>(() => book.Borrow(loan));
Assert.Equal("Cannot borrow a book that is not available", ex.Message);
}
public void BorrowBookThrowsRuntimeExceptionIfBookIsNotCurrentlyAvailable()
{
// Set book state to something other than Available.
var book = new Book("author", "title", "call number", 1) { State = BookState.LOST };
var member = new Member("first", "last", "phone", "email", 1);
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7));
// Associate the book with the loan.
var ex = Assert.Throws<InvalidOperationException>(() => book.Borrow(loan));
Assert.Equal("Cannot borrow a book that is not available", ex.Message);
}
public void CanBorrowBook()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7));
// Associate the book with the loan.
book.Borrow(loan);
// Set book state to ON_LOAN - affected by GetLoanFromBookReturnsNullIfBookIsNotON_LOAN()
book.State = BookState.ON_LOAN;
Assert.Equal(loan, book.Loan);
}
public void CanBorrowBook()
{
var book = new Book("author", "title", "call number", 1);
var loan = Substitute.For<ILoan>();
// Associate the book with the loan.
book.Borrow(loan);
// Set book state to ON_LOAN - affected by GetLoanFromBookReturnsNullIfBookIsNotON_LOAN()
book.State = BookState.ON_LOAN;
Assert.Equal(loan, book.Loan);
}
public void ReturningBookThrowsExceptionIfNotOnLoan()
{
var book = new Book("author", "title", "call number", 1);
var loan = Substitute.For<ILoan>();
book.Borrow(loan);
// Set book state to ON_LOAN - affected by GetLoanFromBookReturnsNullIfBookIsNotON_LOAN()
book.State = BookState.ON_LOAN;
Assert.Equal(loan, book.Loan);
// Set book state to LOST so we can make sure it's not ON_LOAN already.
book.State = BookState.LOST;
var ex = Assert.Throws<InvalidOperationException>(() => book.ReturnBook(false));
Assert.Equal("Book is currently not on loan", ex.Message);
}
public void ReturningBookSetsStateToDamaged()
{
var book = new Book("author", "title", "call number", 1);
var loan = Substitute.For<ILoan>();
book.Borrow(loan);
// Set book state to ON_LOAN - affected by GetLoanFromBookReturnsNullIfBookIsNotON_LOAN()
book.State = BookState.ON_LOAN;
Assert.Equal(loan, book.Loan);
// Set damaged flag to true.
book.ReturnBook(true);
Assert.Null(book.Loan);
Assert.Equal(BookState.DAMAGED, book.State);
}
public void GetLoanFromBookReturnsNullIfBookIsNotON_LOAN()
{
var book = new Book("author", "title", "call number", 1);
// Testing the getter on the book.
var loanRetrieved = book.Loan;
// Make sure the book returns null when no loan associated.
Assert.Null(loanRetrieved);
var loan = Substitute.For<ILoan>();
// Associate the book with the loan.
book.Borrow(loan);
// Make sure the loan comes back if it is on loan.
book.State = BookState.ON_LOAN;
loanRetrieved = book.Loan;
// Make sure the loan retrieved is the same one loaned out.
Assert.Equal(loan, loanRetrieved);
// Set the loan state to not ON_LOAN.
book.State = BookState.AVAILABLE;
// Make sure null is returned if book is not ON_LOAN.
loanRetrieved = book.Loan;
Assert.Null(loanRetrieved);
}
public void GetLoanFromBookReturnsNullIfBookIsNotON_LOAN()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7));
// Testing the getter on the book.
var loanRetrieved = book.Loan;
// Make sure the book returns null when no loan associated.
Assert.Null(loanRetrieved);
// Associate the book with the loan.
book.Borrow(loan);
// Make sure the loan comes back if it is on loan.
book.State = BookState.ON_LOAN;
loanRetrieved = book.Loan;
// Make sure the loan retrieved is the same one loaned out.
Assert.Equal(loan, loanRetrieved);
// Set the loan state to not ON_LOAN.
book.State = BookState.AVAILABLE;
// Make sure null is returned if book is not ON_LOAN.
loanRetrieved = book.Loan;
Assert.Null(loanRetrieved);
}
public void WhenBookIsOnLoanAndReturnedUndamagedShouldBeAvailable()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7));
book.Borrow(loan);
book.ReturnBook(false);
Assert.Equal(BookState.AVAILABLE, book.State);
}
public void WhenBookIsOnLoanAndLostThenShouldBeLost()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7));
book.Borrow(loan);
book.Lose();
Assert.Equal(BookState.LOST, book.State);
}
public void WhenBookIsLostAndDisposedShouldBeDisposed()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7));
book.Borrow(loan);
book.Lose();
book.Dispose();
Assert.Equal(BookState.DISPOSED, book.State);
}
public void ReturningBookThrowsExceptionIfNotOnLoan()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7));
book.Borrow(loan);
// Set book state to ON_LOAN - affected by GetLoanFromBookReturnsNullIfBookIsNotON_LOAN()
book.State = BookState.ON_LOAN;
Assert.Equal(loan, book.Loan);
// Set book state to LOST so we can make sure it's not ON_LOAN already.
book.State = BookState.LOST;
var ex = Assert.Throws<InvalidOperationException>(() => book.ReturnBook(false));
Assert.Equal("Book is currently not on loan", ex.Message);
}
public void ReturningBookSetsStateToDamaged()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7));
book.Borrow(loan);
// Set book state to ON_LOAN - affected by GetLoanFromBookReturnsNullIfBookIsNotON_LOAN()
book.State = BookState.ON_LOAN;
Assert.Equal(loan, book.Loan);
// Set damaged flag to true.
book.ReturnBook(true);
Assert.Null(book.Loan);
Assert.Equal(BookState.DAMAGED, book.State);
}