public void Get_Assigned_Book()
{
var bookAssignment = new BookAssignToStudent
{
Id = 1,
BookId = 123,
Book = new Book {
Id = 123, Name = "Software Engineering", Author = "ABC", IsIssued = true
},
IssueDate = DateTime.Now,
DueDate = DateTime.Now.AddDays(7),
StudentId = 100,
Student = new Student {
Id = 1, Name = "Ali"
}
};
var mockBookService = new Mock <IBookService>();
var mockBookAssignmentService = new Mock <IBookAssignmentService>();
mockBookAssignmentService.Setup(r => r.GetAssignedBook(123)).Returns(bookAssignment);
var controller = new BooksController(mockBookService.Object, mockBookAssignmentService.Object);
var actionResult = controller.Assign(123);
var result = Assert.IsType <OkObjectResult>(actionResult);
var assignedBook = Assert.IsType <BookAssignToStudent>(result.Value);
Assert.True(assignedBook.Book.IsIssued);
mockBookAssignmentService.Verify(s => s.GetAssignedBook(123), Times.Once());
}
public void Extend_DueDate_Of_Assigned_Book()
{
var bookAssignment = new BookAssignToStudent
{
Id = 1,
BookId = 123,
Book = new Book {
Id = 123, Name = "Software Engineering", Author = "ABC", IsIssued = true
},
IssueDate = DateTime.Now,
DueDate = DateTime.Now.AddDays(7),
StudentId = 100,
Student = new Student {
Id = 1, Name = "Ali"
}
};
var mockBookService = new Mock <IBookService>();
var mockBookAssignmentService = new Mock <IBookAssignmentService>();
var newDueDate = DateTime.Now.AddDays(10);
mockBookAssignmentService.Setup(r => r.ExtendDueDate(123, 100, newDueDate)).Returns("Success");
var controller = new BooksController(mockBookService.Object, mockBookAssignmentService.Object);
var request = new ExtendDueDateRequest {
BookId = 123, StudentId = 100, NewDueDate = newDueDate
};
var actionResult = controller.Extend(request);
Assert.IsType <NoContentResult>(actionResult);
mockBookAssignmentService.Verify(s => s.ExtendDueDate(123, 100, newDueDate), Times.Once());
}
public string AssignBook(int bookId, int studentId)
{
var isValid = ValidateBookAndStudent(bookId, studentId);
if (!isValid)
{
return("Either student or book does not exist!");
}
var isBookAlreadyIssued = _context.BookAssignToStudents.Any(a => a.Book.Id == bookId && a.Book.IsIssued == true);
if (isBookAlreadyIssued)
{
return("Book is already issued to the student.");
}
var book = _context.Books.First(a => a.Id == bookId);
book.IsIssued = true;
_context.Update(book);
var now = DateTime.Now;
var student = _context.Students.FirstOrDefault(a => a.Id == studentId);
var bookAssignToStudent = new BookAssignToStudent
{
BookId = bookId,
Book = book,
StudentId = studentId,
Student = student,
IssueDate = now,
DueDate = now.AddDays(7)
};
_context.Add(bookAssignToStudent);
_context.SaveChanges();
return("Success");
}