def delete_book():
try:
Id = ui.get_book_id()
book = store.get_book_by_id(Id)
Book.delete(book)
ui.message('Book deleted successfully')
except:
ui.message("Error!!! Book Not Found in Store")
def delete_book():
try:
book_id = ui.get_book_id()
book = store.get_book_by_id(book_id)
answer = ui.ask_question("Type DELETE to confirm you'd like to delete this book: ")
if answer == "DELETE":
Book.delete(book)
else:
ui.message("Returning to main menu. Book has not been deleted.")
except:
ui.message('Error - book not found with that ID')
def test_delete_book_empty_list_errors(self):
bk = Book('Not in store', 'Not in store')
with self.assertRaises(BookError):
bk.delete()
def test_delete_book_not_in_store_errors(self):
self.add_test_data()
bk = Book('Not in store', 'Not in store')
with self.assertRaises(BookError):
bk.delete()
class TestBookstore(TestCase):
@classmethod
def setUpClass(cls):
bookstore.db = os.path.join('database', 'test_books.db')
BookStore.instance = None
def setUp(self):
self.BS = BookStore()
self.clear_bookstore()
def add_test_data(self):
self.clear_bookstore()
self.bk1 = Book('An Interesting Book', 'Ann Author', True)
self.bk2 = Book('Booky Book Book', 'B. Bookwriter', False)
self.bk3 = Book('Collection of words', 'Creative Creator')
self.bk1.save()
self.bk2.save()
self.bk3.save()
def clear_bookstore(self):
self.BS.delete_all_books()
def test_singleton(self):
bs = BookStore()
bs2 = BookStore()
self.assertEqual(bs, bs2)
def test_add_book_empty_store(self):
bk = Book('aa', 'aaa')
bk.save()
self.assertTrue(self.BS.exact_match(bk))
self.assertEqual(1, self.BS.book_count())
def test_add_book_store_with_books_in(self):
self.add_test_data()
book_count = self.BS.book_count()
bk = Book('aa', 'bbbbb')
bk.save()
self.assertTrue(self.BS.exact_match(bk))
self.assertEqual(book_count + 1, self.BS.book_count())
def test_add_book_duplicate_errors(self):
bk = Book('aa', 'aaa')
bk.save()
with self.assertRaises(BookError):
bk_dupe = Book('aa', 'aaa')
bk_dupe.save()
def test_add_book_duplicate_errors_case_insensitive(self):
bk = Book('a', 'a')
bk.save()
with self.assertRaises(BookError):
bk_dupe = Book('a', 'A')
bk_dupe.save()
def test_get_book_by_id_found(self):
self.add_test_data()
result = self.BS.get_book_by_id(self.bk1.id)
self.assertEqual(result, self.bk1)
def test_get_book_by_id_not_found(self):
# This test fails - student should fix
self.add_test_data()
result = self.BS.get_book_by_id(-1)
self.assertIsNone(result)
def test_delete_book_object(self):
self.add_test_data()
count = self.BS.book_count()
self.bk2.delete()
self.assertEqual(count - 1, self.BS.book_count())
self.assertFalse(self.BS.exact_match(self.bk2))
def test_delete_book_not_in_store_errors(self):
self.add_test_data()
bk = Book('Not in store', 'Not in store')
with self.assertRaises(BookError):
bk.delete()
def test_delete_book_empty_list_errors(self):
bk = Book('Not in store', 'Not in store')
with self.assertRaises(BookError):
bk.delete()
def test_delete_all_books(self):
bk1 = Book('Not in store', 'Not in store')
bk2 = Book('Whatever', 'Whatever')
bk1.save()
bk2.save()
self.BS.delete_all_books()
self.assertEqual(0, self.BS.book_count())
def test_delete_all_books_empty(self):
self.BS.delete_all_books()
self.assertEqual(0, self.BS.book_count())
def test_count_books(self):
self.add_test_data()
count = self.BS.book_count()
self.assertEqual(3, count)
def test_set_read_book_read(self):
self.add_test_data()
self.bk1.read = True
self.bk1.save()
bk1_from_store = self.BS.get_book_by_id(self.bk1.id)
self.assertTrue(bk1_from_store.read)
def test_set_unread_book_read(self):
self.add_test_data()
self.bk2.read = True
self.bk2.save()
bk2_from_store = self.BS.get_book_by_id(self.bk2.id)
self.assertTrue(bk2_from_store.read)
def test_set_read_book_unread(self):
self.add_test_data()
self.bk1.read = False
self.bk1.save()
bk1_from_store = self.BS.get_book_by_id(self.bk1.id)
self.assertFalse(bk1_from_store.read)
def test_set_unread_book_unread(self):
self.add_test_data()
self.bk2.read = False
self.bk2.save()
bk2_from_store = self.BS.get_book_by_id(self.bk2.id)
self.assertFalse(bk2_from_store.read)
def test_get_all_books(self):
self.add_test_data()
self.assertCountEqual([self.bk1, self.bk2, self.bk3],
self.BS.get_all_books())
def test_is_book_in_store_present(self):
self.add_test_data()
self.assertTrue(self.BS.exact_match(self.bk1))
self.assertTrue(self.BS.exact_match(self.bk2))
self.assertTrue(self.BS.exact_match(self.bk3))
def test_is_book_in_store_not_present(self):
not_in_store = Book('aaaa', 'bbbb')
self.add_test_data()
self.assertFalse(self.BS.exact_match(not_in_store))
def test_is_book_in_store_empty_list(self):
self.clear_bookstore()
not_in_store = Book('aaaa', 'bbbb')
self.assertFalse(self.BS.exact_match(not_in_store))
def test_search_book_author_match(self):
self.add_test_data()
self.assertCountEqual([self.bk1], self.BS.book_search('Ann'))
def test_search_book_title_match(self):
self.add_test_data()
self.assertCountEqual([self.bk1, self.bk2],
self.BS.book_search('Book'))
def test_search_book_not_found(self):
self.add_test_data()
self.assertEqual([], self.BS.book_search('Not in list'))
def test_search_book_empty_store(self):
self.clear_bookstore()
self.assertEqual([], self.BS.book_search('Not in list'))
def test_search_book_case_insensitive_title_match(self):
self.add_test_data()
self.assertCountEqual([self.bk1, self.bk2],
self.BS.book_search('bOoK'))
def test_search_book_case_insensitive_author_match(self):
self.add_test_data()
self.assertCountEqual([self.bk3], self.BS.book_search('cReAtOr'))
def test_exact_match_found(self):
self.add_test_data()
bk = Book('Collection of words', 'Creative Creator')
self.assertTrue(self.BS.exact_match(bk))
def test_exact_match_not_found_author(self):
self.add_test_data()
bk = Book('Collection of words', 'Someone Else')
self.assertFalse(self.BS.exact_match(bk))
def test_exact_match_not_found_title(self):
self.add_test_data()
bk = Book('Collection of Stories', 'Creative Creator')
self.assertFalse(self.BS.exact_match(bk))
def test_exact_match_not_found_title_author(self):
self.add_test_data()
bk = Book('Collection of Cheese', 'Beyonce')
self.assertFalse(self.BS.exact_match(bk))
def test_exact_match_not_found_empty_store(self):
bk = Book('Whatever', 'Whatever')
self.clear_bookstore()
self.assertFalse(self.BS.exact_match(bk))
def test_get_books_by_read_read(self):
self.add_test_data()
read_books = self.BS.get_books_by_read_value(True)
self.assertCountEqual([self.bk1], read_books)
def test_get_books_by_read_unread(self):
self.add_test_data()
read_books = self.BS.get_books_by_read_value(False)
self.assertCountEqual([self.bk2, self.bk3], read_books)