def ui_undo(self):
try:
UndoService.do_undo()
print("Undo executed")
except UndoException as ue:
print(ue)
class TestUndoService(unittest.TestCase):
def setUp(self):
"""
Prepare tests
"""
self.rental_repository = Repository({})
self.validator2 = RentalValidator()
self.book_repository = Repository({})
self.validator = BookValidator()
self.client_repository = Repository({})
self.validatorc = ClientValidator()
self.undo_service = UndoService()
self.redo_service = RedoService()
self.book_service = BookService(self.book_repository, self.validator)
self.client_service = ClientService(self.client_repository, self.validatorc)
self.rental_service = RentalService(self.rental_repository, self.validator2, self.book_repository,
self.client_repository)
def test_undo_controller(self):
"""
Tests for undo controller
"""
self.assertRaises(UndoException, self.undo_service.do_undo)
self.assertRaises(RedoException, self.redo_service.do_redo)
self.book_service.add_book('12', "the name", 'By me')
self.undo_service.store_operation(self.book_service, UndoHandler.UNDO_ADD_BOOK, '12')
self.undo_service.do_undo()
self.assertTrue(len(self.book_service.get_entities()) == 0)
self.redo_service.store_operation(self.book_service, RedoHandler.REDO_ADD_BOOK, '12', "the name", "By me")
self.redo_service.do_redo()
self.assertTrue(len(self.book_service.get_entities()) == 1)
self.book_service.add_book('2', "the name", 'By me')
self.book_service.remove_book('2')
self.undo_service.store_operation(self.book_service, UndoHandler.UNDO_REMOVE_BOOK, '2', "The Mandalorian", "Didu")
self.undo_service.do_undo()
self.undo_service.store_operation(self.book_service, UndoHandler.UNDO_UPDATE_BOOK, '2', "The Mandalorian","Didu")
self.undo_service.do_undo()
self.redo_service.store_operation(self.book_service, RedoHandler.REDO_UPDATE_BOOK, '2', "The Mandalorian","Didu")
self.redo_service.do_redo()
self.client_service.add_client("10", "andrei")
self.undo_service.store_operation(self.client_service, UndoHandler.UNDO_ADD_CLIENT, '10')
self.undo_service.do_undo()
self.assertTrue(len(self.client_service.get_entities()) == 0)
self.redo_service.store_operation(self.client_service, RedoHandler.REDO_ADD_CLIENT, "10", "andrei")
self.redo_service.do_redo()
self.assertTrue(len(self.client_service.get_entities()) == 1)
self.client_service.remove_client('10')
self.undo_service.store_operation(self.client_service, UndoHandler.UNDO_REMOVE_CLIENT, '10', 'andrei')
self.undo_service.do_undo()
self.redo_service.store_operation(self.client_service, RedoHandler.REDO_REMOVE_CLIENT, '10')
self.redo_service.do_redo()
self.client_service.add_client('2', "Didu")
self.undo_service.store_operation(self.client_service, UndoHandler.UNDO_UPDATE_CLIENT, '2', "Didu")
self.undo_service.do_undo()
self.redo_service.store_operation(self.client_service, RedoHandler.REDO_UPDATE_CLIENT, '2', 'Didu')
self.redo_service.do_redo()
self.rental_service.add_rental('1', '2', '2', '20/10/2020')
self.undo_service.store_operation(self.rental_service, UndoHandler.UNDO_ADD_RENTAL, '1')
self.undo_service.do_undo()
self.redo_service.store_operation(self.rental_service, RedoHandler.REDO_ADD_RENTAL, '1', '2', '2', '20/10/2020','')
self.redo_service.do_redo()
self.book_service.add_book('20', "book", 'By me')
self.book_service.remove_book('20')
self.undo_service.store_operation(self.book_service, UndoHandler.UNDO_REMOVE_BOOK, '20', "book", "By me")
self.undo_service.do_undo()
self.redo_service.store_operation(self.book_service, RedoHandler.REDO_REMOVE_BOOK, '20')
self.redo_service.do_redo()
self.redo_service.clear()