def __init__(self):
self.library = Library('Lib01')
self.choice = { '1': self.show_all_books,
'2': self.add_book,
'3': self.search_by_attribute,
'4': self.hand_out_book,
'5': self.return_book,
'6': self.add_user,
'7': self.remove_user,
'q': self.quit,
}
def setUp(self):
self.library = Library('Lib_Test', ':memory:')
class Menu:
def __init__(self):
self.library = Library('Lib01')
self.choice = { '1': self.show_all_books,
'2': self.add_book,
'3': self.search_by_attribute,
'4': self.hand_out_book,
'5': self.return_book,
'6': self.add_user,
'7': self.remove_user,
'q': self.quit,
}
def display_menu(self):
print('\n1 - Show books.\n2 - Add book.\n' +
'3 - Search book by attribute \n4 - Hand out a book\n'
'5 - Return a book \n6 - Add user\n'
'7 - Delete user \nq - Quit')
def run(self):
while True:
self.display_menu()
choice = str(input('What is your choice? '))
if choice in self.choice.keys():
action = self.choice.get(choice)
action()
else:
print('Can`t find such choice.')
def print_list_of_books(self, list_of_books):
if not list_of_books:
print('- list is empty')
else:
print('Result(s):')
for book in list_of_books:
print (('Book Title: {0}\n Book author: {1}\n' +
'Book Id: {2}\n Publishing year: {3}\n').format(book.title,
book.author, book.book_id, book.year_of_publishing) +
'-'*20)
def show_all_books(self):
print('\nList of all books in the library:')
self.print_list_of_books(self.library.list_all_books())
def add_book(self):
title = input('Title: ')
author = input('Author: ')
book_code = input('Book code: ')
group_code = input('Group code: ')
year = input('Year of publishing: ')
self.library.add_book(title, author, book_code, group_code, year)
def search_by_attribute(self):
print ('Available attributes to search: ' +
'title, author, rang, year')
attribute = input('Attribute name: ')
attr_value = input('Attribute value: ')
suitable_books = self.library.find_books(attribute, attr_value)
if suitable_books == 'Err':
print('Search parameter is incorrect!')
else:
print('')
self.print_list_of_books(suitable_books)
def add_user(self):
name = input('Name: ')
passport_id = input('Passport ID: ')
address = input('Address: ')
phone = input('Phone number: ')
self.library.add_user(name, passport_id, address, phone)
def remove_user(self):
user_id = input('User id: ')
try:
remove_result = self.library.remove_user(user_id)
if remove_result:
print('User with ID ' + user_id + ' was successfully removed')
else:
print('Can`t remove such ID.')
except Exception as e:
print('Error was detected: ' + str(Exception) + ' info: ' + str(e))
def hand_out_book(self):
book_id = input('Book ID (for rent a book): ')
user_id = input('User ID (renting a book): ')
print(self.library.hand_out_book(book_id, user_id))
def return_book(self):
book_id = input('Book ID (returned book): ')
user_id = input('User ID (user who returns book): ')
result = self.library.return_book(book_id, user_id)
if result == 0:
print('Book with ID: {0} was successfully returned by user with ID: {1}) . '.format(book_id, user_id))
elif result == 1:
print('Can`t find user with ID {0}'.format(user_id))
elif result == 2:
print('User with ID {0} did not lend out the book with ID {1}'.format(user_id, book_id))
else:
print ('Error: unknown return of function')
def quit(self):
print('Library closed.')
sys.exit(0)
class LibLabriryTest(unittest.TestCase):
def setUp(self):
self.library = Library('Lib_Test', ':memory:')
def test_add_user__list_all_users__remove_user(self):
self.library.add_user("Alex Test", 'RG_123123', 'Moscow, Lenin Prospect 232 - flat 17', '+755555-4444')
self.library.add_user('Mickle O`Conner II', '12FE2322F', 'UK, London Soho Green St. 12', '+3888-2423-2432')
self.library.add_user('I. A. Ivanov-Petrov', 'WE1231234', 'Moscow Pererva St. 12 - flat 288', '+7(915)555-22-33')
users = self.library.list_all_users()
self.assertEqual(3, len(users))
pasports_id = []
list_of_id = []
for user in users:
pasports_id.append(user.passport_id)
list_of_id.append(user.user_id)
self.assertEqual(sorted(pasports_id), sorted(['RG_123123', '12FE2322F', 'WE1231234']))
# Check removing by ID:
id_for_removing = list_of_id.pop()
self.library.remove_user(id_for_removing)
users = self.library.list_all_users()
list_of_id_after_removing_one_user = []
for user in users:
list_of_id_after_removing_one_user.append(user.user_id)
self.assertEqual(sorted(list_of_id), sorted(list_of_id_after_removing_one_user))
def test_add_user_and_test_list_all_books(self):
self.library.add_book('Maugli', "R. Kipling", 'RT-12342342', 'KT-12', 1882)
self.library.add_book('Tom Sawyer', "Mark Twain", 'RT-128822', 'KT-86', 1832)
l = self.library.list_all_books()
# Check authors:
self.assertEqual(sorted(['Maugli', 'Tom Sawyer']), sorted([l[0].title, l[1].title]))
# Check year of publishing:
self.assertEqual(sorted([1882, 1832]), sorted([l[0].year_of_publishing, l[1].year_of_publishing]))
# Check total number of books in the library:
self.assertEqual(2, len(l))
def tearDown(self):
del self.library