@Test
public void testSave() throws Exception {

    String filename;
    String[] argsRaw = {"zookeeper", "table"};
    Args args = new StatArgs(argsRaw);
    Load load = new Load(new LevelClass(TableName.class), args);
    LoadIO loadIO = createLoadIO(load);
    filename = loadIO.filename(args);
    long timestamp = loadIO.getTimestamp(args, filename);
    try {
        assertEquals(0, loadIO.savedFileNameList(args).size());
        loadIO.save(args);
        List<String> strings = Files.readAllLines(Paths.get(filename), Charset.defaultCharset());
        for (String string : strings) {
            System.out.println(string);
        }
        assertEquals(3, strings.size());
        assertEquals("\"Table\",\"Timestamp\",\"Reads\",\"Writes\",\"Regions\",\"Files\",\"FileSize\",\"FileSizeUncomp\",\"MemstoreSize\",\"CompactedKVs\"", strings.get(0));
        assertEquals("\"rec1\",\"" + timestamp + "\",\"2\",\"\",\"\",\"\",\"\",\"\",\"\",\"\"", strings.get(1));
        assertEquals("\"rec2\",\"" + timestamp + "\",\"1\",\"\",\"\",\"\",\"\",\"\",\"\",\"\"", strings.get(2));
        assertEquals(1, loadIO.savedFileNameList(args).size());
    } finally {
        Files.delete(Paths.get(filename));
    }
}