public void CanGetBorrower()
{
var book = Substitute.For<IBook>();
var borrower = Substitute.For<IMember>();
var loan = new Loan(book, borrower, DateTime.Today, DateTime.Today.AddDays(1));
Assert.Equal(borrower, loan.Borrower);
}
public void CanCommitLoan()
{
var book = Substitute.For<IBook>();
var member = Substitute.For<IMember>();
var loanId = 1;
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(1));
loan.Commit(loanId);
}
public void WhenLoanIsCreatedShouldBePending()
{
var book = Substitute.For<IBook>();
var member = Substitute.For<IMember>();
DateTime borrowDate = DateTime.Today;
DateTime dueDate = DateTime.Today;
var loan = new Loan(book, member, borrowDate, dueDate);
Assert.Equal(LoanState.PENDING, loan.State);
}
public void CanGetBook()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
DateTime borrowDate = DateTime.Today;
DateTime dueDate = DateTime.Today.AddDays(7);
var loan = new Loan(book, member, borrowDate, dueDate);
Assert.Equal(book, loan.Book);
}
public void AddLoanThrowsInvalidOperationExceptionIfMemberIsNotAllowedToBorrow()
{
var book = new Book("author", "title", "call number", 1);
// Set member to BORROWING_DISALLOWED
var member = new Member("first", "last", "phone", "email", 1) { State = MemberState.BORROWING_DISALLOWED };
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(14)) { State = LoanState.CURRENT };
var ex = Assert.Throws<InvalidOperationException>(() => member.AddLoan(loan));
Assert.Equal("Cannot add a loan when member is not allowed to borrow", ex.Message);
}
public void CanCompleteLoan()
{
var book = Substitute.For<IBook>();
var borrower = Substitute.For<IMember>();
var loan = new Loan(book, borrower, DateTime.Today, DateTime.Today.AddDays(1));
loan.Commit(1);
loan.Complete();
Assert.Equal(LoanState.COMPLETE, loan.State);
}
public void CanAddLoanToMember()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
// Add a loan.
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(14)) { State = LoanState.CURRENT };
member.AddLoan(loan);
Assert.Contains(loan, member.Loans);
}
public void CanCommitLoan()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
DateTime borrowDate = DateTime.Today;
DateTime dueDate = DateTime.Today.AddDays(7);
var loanId = 1;
var loan = new Loan(book, member, borrowDate, dueDate);
loan.Commit(loanId);
}
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 CanCreateLoan()
{
var book = Substitute.For<IBook>();
var member = Substitute.For<IMember>();
DateTime borrowDate = DateTime.Today;
DateTime dueDate = DateTime.Today;
// Jim has stated that the initial spec is incorrect and it should not take an ID, but should return a default ID of 0.
var loan = new Loan(book, member, borrowDate, dueDate);
Assert.NotNull(loan);
// By new rule, assert ID = 0.
Assert.Equal(0, loan.ID);
}
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 CanCreateLoan()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
DateTime borrowDate = DateTime.Today;
DateTime dueDate = DateTime.Today.AddDays(7);
// Jim has stated that the initial spec is incorrect and it should not take an ID, but should return a default ID of 0.
var loan = new Loan(book, member, borrowDate, dueDate);
Assert.NotNull(loan);
// By new rule, assert ID = 0.
Assert.Equal(0, loan.ID);
}
public void WhenLoanIsCurrentAndOverdueShouldBeOverdue()
{
var book = Substitute.For<IBook>();
var member = Substitute.For<IMember>();
DateTime borrowDate = DateTime.Today;
DateTime dueDate = DateTime.Today.AddDays(7);
var loan = new Loan(book, member, borrowDate, dueDate);
loan.Commit(1);
Assert.Equal(LoanState.CURRENT, loan.State);
loan.CheckOverDue(DateTime.Today.AddDays(14));
Assert.Equal(LoanState.OVERDUE, loan.State);
}
public void WhenLoanIsCurrentAndCompletedShouldBeComplete()
{
var book = Substitute.For<IBook>();
var member = Substitute.For<IMember>();
DateTime borrowDate = DateTime.Today;
DateTime dueDate = DateTime.Today.AddDays(7);
var loan = new Loan(book, member, borrowDate, dueDate);
loan.Commit(1);
Assert.Equal(LoanState.CURRENT, loan.State);
loan.Complete();
Assert.Equal(LoanState.COMPLETE, loan.State);
}
public void CanRemoveLoanFromMember()
{
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(14)) { State = LoanState.CURRENT };
member.AddLoan(loan);
// Make sure Member has Loan.
Assert.Contains(loan, member.Loans);
member.RemoveLoan(loan);
// Make sure Loan has been removed from Member.
Assert.DoesNotContain(loan, member.Loans);
}
public void CanGetLoans()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var loan1 = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(14)) { State = LoanState.CURRENT };
var loan2 = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(14)) { State = LoanState.CURRENT };
var loan3 = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(14)) { State = LoanState.CURRENT };
var loan4 = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(14)) { State = LoanState.CURRENT };
member.AddLoan(loan1);
member.AddLoan(loan2);
member.AddLoan(loan3);
Assert.Equal(3, member.Loans.Count());
Assert.Contains(loan1, member.Loans);
Assert.DoesNotContain(loan4, member.Loans);
}
public void CheckOverDueSetsLoanStateToOverdue()
{
var book = Substitute.For<IBook>();
var borrower = Substitute.For<IMember>();
// Set DueDate to the past so we can check it is < Today.
var dueDate = DateTime.Today.AddMonths(-1).AddDays(1);
var loan = new Loan(book, borrower, DateTime.Today.AddMonths(-1), dueDate);
// Set loan state to current so it clears next test (Must be Current or Overdue).
loan.State = LoanState.CURRENT;
Assert.True(dueDate < DateTime.Today);
// Check if it is overdue as of Today.
var result = loan.CheckOverDue(DateTime.Today);
// Make sure the check set the loan state to overdue.
Assert.Equal(LoanState.OVERDUE, loan.State);
Assert.True(result);
}
public void LoanCtorThrowsIllegalParameterException()
{
var book = Substitute.For<IBook>();
var member = Substitute.For<IMember>();
DateTime borrowDate = DateTime.Today;
DateTime dueDate = DateTime.Today;
var ex = Assert.Throws<ArgumentException>(() =>
{
var loan = new Loan(null, member, borrowDate, dueDate);
});
Assert.Equal("Book needs to be provided", ex.Message);
ex = Assert.Throws<ArgumentException>(() =>
{
new Loan(book, null, borrowDate, dueDate);
});
Assert.Equal("Member needs to be provided", ex.Message);
ex = Assert.Throws<ArgumentException>(() =>
{
// DateTime can't be null in .NET
new Loan(book, member, DateTime.MinValue, dueDate);
});
Assert.Equal("Borrow date needs to be provided", ex.Message);
ex = Assert.Throws<ArgumentException>(() =>
{
// DateTime can't be null in .NET
new Loan(book, member, borrowDate, DateTime.MinValue);
});
Assert.Equal("Due date needs to be provided", ex.Message);
ex = Assert.Throws<ArgumentException>(() =>
{
// DateTime can't be null in .NET
new Loan(book, member, borrowDate, borrowDate.AddDays(-1));
});
Assert.Equal("Due date cannot be before Borrow date", ex.Message);
}
public void WhenBorrowingDisallowedAndLoanRemovedButHasOverdueLoanBorrowingDisallowed()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var overdue = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7)) { State = LoanState.CURRENT };
member.AddLoan(overdue);
// Set it to overdue
overdue.CheckOverDue(DateTime.Today.AddMonths(1));
while (!member.HasReachedLoanLimit)
{
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7)) { State = LoanState.CURRENT };
member.AddLoan(loan);
}
// Borrowing state disallowed.
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
// Remove the first one that isn't the overdue mock.
member.RemoveLoan(member.Loans.First(l => l != overdue));
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
}
public void WhenBorrowingDisallowedAndLoanRemovedBorrowingAllowed()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
while (!member.HasReachedLoanLimit)
{
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7)) { State = LoanState.CURRENT };
member.AddLoan(loan);
}
// Borrowing state disallowed.
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
member.RemoveLoan(member.Loans[0]);
Assert.Equal(MemberState.BORROWING_ALLOWED, member.State);
}
public void WhenBorrowingDisallowedAndLoanRemovedButHasFinesBorrowingDisallowed()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
while (!member.HasReachedLoanLimit)
{
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7)) { State = LoanState.CURRENT };
member.AddLoan(loan);
}
member.AddFine(BookConstants.FINE_LIMIT + 1.00f);
// Borrowing state disallowed.
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
// Remove the first one that isn't the overdue mock.
member.RemoveLoan(member.Loans[0]);
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
}
public void WhenBorrowingDisallowedAndFinePaidButHasOverdueLoansBorrowingDisallowed()
{
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)) { State = LoanState.CURRENT };
var fineAmount = BookConstants.FINE_LIMIT + 5.00f;
member.AddLoan(loan);
member.AddFine(fineAmount);
foreach (var l in member.Loans) l.CheckOverDue(DateTime.Today.AddMonths(1));
// Borrowing state disallowed.
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
member.PayFine(fineAmount);
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
}
public void WhenBorrowingDisallowedAndFinePaidButLoanLimitStillReachedBorrowingDisallowed()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var fineAmount = BookConstants.FINE_LIMIT + 5.00f;
while (!member.HasReachedLoanLimit)
{
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7)) { State = LoanState.CURRENT };
member.AddLoan(loan);
}
member.AddFine(fineAmount);
// Borrowing state disallowed.
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
member.PayFine(fineAmount);
Assert.True(member.HasReachedLoanLimit);
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
}
public void WhenBorrowingAllowedAndRemovingLoanBorrowingAllowed()
{
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(14)) { State = LoanState.CURRENT };
member.AddLoan(loan);
Assert.False(member.HasReachedLoanLimit);
Assert.Equal(MemberState.BORROWING_ALLOWED, member.State);
member.RemoveLoan(loan);
Assert.Equal(MemberState.BORROWING_ALLOWED, member.State);
}
public void WhenBorrowingAllowedAndNoOverdueLoansBorrowingAllowed()
{
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(14)) { State = LoanState.CURRENT };
member.AddLoan(loan);
Assert.Equal(MemberState.BORROWING_ALLOWED, member.State);
foreach (var l in member.Loans) l.CheckOverDue(DateTime.Today);
Assert.False(member.HasOverDueLoans);
Assert.Equal(MemberState.BORROWING_ALLOWED, member.State);
}
public void ReturnLoanReadable()
{
var book = Substitute.For<Book>("Jim Tulip", "Adventures in Programming", "call number", 1);
var member = Substitute.For<Member>("Jim", "Tulip", "Phone", "Email", 1);
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(1));
var readable =
$"Loan ID:\t\t{loan.ID}\nAuthor:\t\t{loan.Book.Author}\nTitle:\t\t{loan.Book.Title}\nBorrower:\t{loan.Borrower.ToString()}\nBorrow Date:\t{loan.BorrowDate.ToShortDateString()}\nDue Date:\t{loan.DueDate.ToShortDateString()}";
Assert.Equal(readable, loan.ToString());
}
public void RemoveLoanThrowsArgumentExceptionIfLoanIsNotInCollection()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var loan1 = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(14)) { State = LoanState.CURRENT };
var loan2 = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(14)) { State = LoanState.CURRENT };
member.AddLoan(loan1);
var ex = Assert.Throws<ArgumentException>(() => member.RemoveLoan(loan2));
Assert.Equal("Loan was not found in member's loans", ex.Message);
}
public void HasReachedLoanLimitReturnsTrueIfLoanCountEqualsLoanLimit()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
// Add a loan.
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(14)) { State = LoanState.CURRENT };
member.AddLoan(loan);
// Test that Loan Limit is not reached.
Assert.True(member.Loans.Count() < BookConstants.LOAN_LIMIT);
Assert.False(member.HasReachedLoanLimit);
// Add additional loans.
while (member.Loans.Count() < BookConstants.LOAN_LIMIT)
{
member.AddLoan(new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7)));
}
// Test that Loan Limit has been reached.
Assert.True(member.Loans.Count() == BookConstants.LOAN_LIMIT);
Assert.True(member.HasReachedLoanLimit);
}
public void HasOverdueLoansReturnsFalseIfNoLoanIsOverdue()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
// Add a single loan that is not overdue.
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7));
member.Loans.Add(loan);
Assert.False(member.HasOverDueLoans);
}
public void HasOverdueLoansReturnsTrueIfAnyLoanIsOverdue()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
// Add a single loan that is not overdue.
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(14)) { State = LoanState.CURRENT };
member.AddLoan(loan);
// Add a second loan that is overdue.
var secondLoan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7)) { State = LoanState.CURRENT };
member.AddLoan(secondLoan);
// Check if overdue
foreach (var l in member.Loans)
{
l.CheckOverDue(DateTime.Today.AddDays(10));
}
Assert.True(member.HasOverDueLoans);
}