def rem_book(stdscr, bdb: bb.BookDataBase, adb: ab.AuthorDataBase):
current_row = 0
book_dict, id_list = bdb.return_dict_by_author()
aut_list = adb.return_list()
list_copy = list()
for i in book_dict:
list_copy.append(f"{book_dict[i]} by {aut_list[int(i)]} ")
list_copy.append('Exit')
while 1:
print_list(stdscr, current_row, list_copy, "Books")
key = stdscr.getch()
if key == curses.KEY_UP and current_row > 0:
current_row -= 1
elif key == curses.KEY_DOWN and current_row < len(list_copy) - 1:
current_row += 1
elif key == curses.KEY_ENTER or key in [10, 13]:
if current_row == len(list_copy) - 1:
break
else:
if bdb.remove_book(id_list[current_row]):
bdb.save_books()
print_center(stdscr, "Success - press key to return")
stdscr.getch()
else:
print_center(stdscr, "Error - press key to return")
stdscr.getch()
break
def test_remove_missing_record(self):
database = BookDataBase(self.file)
book = Book("What", "Steven Law", 2000, "Thriller", 0.2, 3)
with open(self.file, 'w') as file:
file.write("What+Steven Maw+2000+Thriller+0.2+20\n")
file.write("Go+Steven Law+2000+Thriller+0.2+20\n")
with self.assertRaises(MissingBookError):
database.remove_record(book)
def test_booklist(self):
database = BookDataBase(self.file)
book = Book("What", "Steven Law", 2000, "Thriller", 0.2, 3)
book1 = Book("What", "Steven Maw", 2000, "Thriller", 0.2, 20)
book2 = Book("Go", "Steven Law", 2000, "Thriller", 0.2, 20)
booklist = [book, book1, book2]
with open(self.file, 'w') as file:
file.write("What+Steven Law+2000+Thriller+0.2+3\n")
file.write("What+Steven Maw+2000+Thriller+0.2+20\n")
file.write("Go+Steven Law+2000+Thriller+0.2+20\n")
self.assertEqual(booklist, database.booklist())
os.remove(os.path.realpath(self.file))
def test_remove_record(self):
database = BookDataBase(self.file)
book = Book("What", "Steven Law", 2000, "Thriller", 0.2, 3)
book1 = Book("What", "Steven Maw", 2000, "Thriller", 0.2, 20)
book2 = Book("Go", "Steven Law", 2000, "Thriller", 0.2, 20)
booklist = [book, book1, book2]
recordlist = [book.special_record() for book in booklist]
with open(self.file, 'w') as file:
file.write("What+Steven Law+2000+Thriller+0.2+3\n")
file.write("What+Steven Maw+2000+Thriller+0.2+20\n")
file.write("Go+Steven Law+2000+Thriller+0.2+20\n")
database.remove_record(book2)
del recordlist[2]
with open(self.file, 'r') as file:
records_after_removal = file.readlines()
self.assertEqual(recordlist, records_after_removal)
database.remove_record(book)
del recordlist[0]
with open(self.file, 'r') as file:
records_after_removal = file.readlines()
self.assertEqual(recordlist, records_after_removal)
os.remove(os.path.realpath(self.file))
def add_book(stdscr, bdb: bb.BookDataBase):
h, w = stdscr.getmaxyx()
stdscr.clear()
stdscr.addstr(0, w // 2 - len("Title") // 2, "Title")
title = read_word(stdscr, h, w)
stdscr.clear()
stdscr.addstr(0, w // 2 - len("Isbn") // 2, "Isbn")
isbn = read_word(stdscr, h, w)
stdscr.clear()
stdscr.addstr(0, w // 2 - len("Category") // 2, "Category")
category = read_word(stdscr, h, w)
stdscr.clear()
stdscr.addstr(0, w // 2 - len("Author id") // 2, "Author id")
aut_id = read_word(stdscr, h, w)
book = bk.MyBook(aut_id, title, isbn, category)
if bdb.add_book(book):
bdb.save_books()
print_center(stdscr, "Success - press key to return")
stdscr.getch()
else:
print_center(stdscr, "Error - press key to return")
stdscr.getch()
def test_add_record(self):
database = BookDataBase(self.file)
book = Book("Somewhere", "Steven Law", 2000, "Fantasy", 0.2, 3)
book1 = Book("What", "Steven Maw", 2000, "Triller", 0.2, 20)
book2 = Book("Go", "Steven Law", 2000, "Thriller", 0.2, 20)
book3 = Book("Go", "Steven Law", 2000, "Thriller", 0.8, 12)
booklist = [book, book1, book2]
expected_records = [book.special_record() for book in booklist]
database.add_record(book)
database.add_record(book1)
database.add_record(book2)
with open(self.file, 'r') as file:
actual_records = file.readlines()
self.assertEqual(expected_records, actual_records)
database.add_record(book3)
book3.increase_number_of_copies(20)
booklist = [book, book1, book3]
new_expected_records = [book.special_record() for book in booklist]
with open(self.file, 'r') as file:
updated_records = file.readlines()
self.assertEqual(new_expected_records, updated_records)
os.remove(os.path.realpath(self.file))
