@RunWith(SpringRunner.class)
@ContextConfiguration(classes = {SepaRoutingUtils.class})
public class SepaRoutingFromXMLTest {

    @Autowired
    SepaRoutingUtils sepa;

    @Test
    public void existValidOneFullXMLFileInFolder() throws Exception {
        SepaRoutingUtils sepa = new SepaRoutingUtils();
        assertThat(sepa.readSepaXMLFile(), containsString(".xml"));
        assertThat(sepa.readSepaXMLFile(), containsString("SEPAROUTING_V3_FULL_"));
    }

}

@Component
public class SepaRoutingUtils {

    // @Value("${routing.folder}")
    // private String SEPA_FOLDER
    private final String SEPA_FOLDER = "../../separouting";

    private File readSepaFolder() {

        File folder = new File(SEPA_FOLDER);
        if(!folder.isDirectory()) {
            throw new FolderAccessDeniedException();
        }

        return folder;
    }

    public String readSepaXMLFile() {

        try {
            return Utils.prepareXMLFile(readSepaFolder(), SepaRoutingFileType.FULL).getName();
        }
        catch (ParseException e) {
            e.printStackTrace();
            throw new NotValidFileException();
        }

    }

}