public async Task <(bool status, string message)> ValidateBookAssignAsync(BookCountInfo currentBook, int userId)
{
if (currentBook.BookCount != 0)
{
var userAssignedBook = await Repository.GetFilteredAsync(p =>
p.UserID == userId &&
p.IsReturned == false);
if (userAssignedBook.Count() == 0 ||
(userAssignedBook.Count() < 2 &&
userAssignedBook.Any(p => p.BookID != currentBook.BookID)))
{
return(true, "Success");
}
return(false, "User cannot borrow more than two books or more than one copy of same books");
}
return(false, "Book does not exist in the library");
}
public async Task ValidateBookAssignAsync_SameBookAssign_ReturnFalse()
{
using (var mock = AutoMock.GetLoose())
{
var sampleAssignBook = new BookCountInfo
{
BookCount = 5,
BookID = 4
};
var userId = 4;
mock.Mock <IAssignBookRepository>()
.Setup(x => x.GetFilteredAsync(p => p.UserID == userId && p.IsReturned == false))
.ReturnsAsync(SameBookSample());
var service = mock.Create <AssignBookService>();
var actual = await service.ValidateBookAssignAsync(sampleAssignBook, userId);
Assert.True(!actual.status);
}
}