def test_write_experiment_archive(): """ Test experiment._write_experiment_archive """ open_name = 'iotlabcli.experiment.open' exp_data = 'binary_content' m_open = mock_open() with patch(open_name, m_open, create=True): experiment._write_experiment_archive(123, exp_data) file_handle = m_open.return_value file_handle.write.assert_called_with(exp_data)