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_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))