public void WhenBorrowingAllowedAndFinePaidBorrowingAllowed()
{
var member = new Member("firstName", "lastName", "contactPhone", "emailAddress", 1);
Assert.False(member.HasReachedLoanLimit);
Assert.Equal(MemberState.BORROWING_ALLOWED, member.State);
member.AddFine(5.00f);
Assert.Equal(MemberState.BORROWING_ALLOWED, member.State);
member.PayFine(5.00f);
Assert.Equal(MemberState.BORROWING_ALLOWED, member.State);
}
public void WhenBorrowingDisallowedAndFinePaidButStillOverFineLimitBorrowingDisallowed()
{
var member = new Member("firstName", "lastName", "contactPhone", "emailAddress", 1);
var fineAmount = BookConstants.FINE_LIMIT + 5.00f;
member.AddFine(fineAmount);
// Borrowing state disallowed.
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
member.PayFine(fineAmount - BookConstants.FINE_LIMIT);
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
}
public void WhenBorrowingDisallowedAndFinePaidButHasOverdueLoansBorrowingDisallowed()
{
var member = new Member("firstName", "lastName", "contactPhone", "emailAddress", 1);
var loan = Substitute.For<ILoan>();
var fineAmount = BookConstants.FINE_LIMIT + 5.00f;
member.AddLoan(loan);
member.AddFine(fineAmount);
loan.IsOverDue.Returns(true);
// Borrowing state disallowed.
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
member.PayFine(fineAmount);
Assert.Equal(MemberState.BORROWING_DISALLOWED, member.State);
}
public void WhenBorrowingDisallowedAndFinePaidButLoanLimitStillReachedBorrowingDisallowed()
{
var member = new Member("firstName", "lastName", "contactPhone", "emailAddress", 1);
var fineAmount = BookConstants.FINE_LIMIT + 5.00f;
while (!member.HasReachedLoanLimit)
{
var loan = Substitute.For<ILoan>();
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 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 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 PayFineThrowsArgumentExceptionIfPaymentExceedsFines()
{
const float fine = 5.50f;
const float payment = 6.00f;
var member = new Member("test", "member", "phone", "email", 1);
member.AddFine(fine);
Assert.Equal(fine, member.FineAmount);
var fineAmount = member.FineAmount;
var ex = Assert.Throws<ArgumentException>(() => member.PayFine(payment));
Assert.Equal($"Payment must not exceed fines of {fineAmount}", ex.Message);
}
public void PayFineThrowsArgumentExceptionIfNegative()
{
const float fine = 5.50f;
const float payment = -1.00f;
var member = new Member("test", "member", "phone", "email", 1);
member.AddFine(fine);
Assert.Equal(fine, member.FineAmount);
var ex = Assert.Throws<ArgumentException>(() => member.PayFine(payment));
Assert.Equal("Payment must not be negative value", ex.Message);
}
public void CanPayFineByMember()
{
const float fine = 5.50f;
const float payment = 2.50f;
var member = new Member("test", "member", "phone", "email", 1);
member.AddFine(fine);
Assert.Equal(fine, member.FineAmount);
member.PayFine(payment);
Assert.Equal(fine - payment, member.FineAmount);
}
