class TestImageIdentifier(object): def setup(self): self.identifier = ImageIdentifier() def test_get_id(self): pass @patch('random.randrange') def test_calculate_id(self, mock_rand): mock_rand.return_value = 15 self.identifier.calculate_id() assert self.identifier.get_id() == '0x0f0f0f0f' @patch('__builtin__.open') def test_write(self, mock_open): self.identifier.image_id = 'some-id' context_manager_mock = mock.Mock() mock_open.return_value = context_manager_mock file_mock = mock.Mock() enter_mock = mock.Mock() exit_mock = mock.Mock() enter_mock.return_value = file_mock setattr(context_manager_mock, '__enter__', enter_mock) setattr(context_manager_mock, '__exit__', exit_mock) self.identifier.write('mbrid-file') mock_open.assert_called_once_with('mbrid-file', 'w') file_mock.write.assert_called_once_with('some-id\n')
def setup(self): self.identifier = ImageIdentifier()