protected String filename;

    protected List<String> argList = new ArrayList<>();

    public PythonJob filename(final String filename) {
        this.filename = filename;
        return this;
    }

    public PythonJob arg(final String value) {
        argList.add(value);
        return this;
    }

    public PythonJob args(final String... values) {

        assertEquals(Arrays.asList("aaa", "bbb"), (List<String>) DocumentUtil.getValue(doc, "key1", List.class));
    }

    public void test_list() {
        Map<String, Object> doc = new HashMap<>();
        doc.put("key1", Arrays.asList("aaa", "bbb"));
        assertArrayEquals(new String[] { "aaa", "bbb" }, DocumentUtil.getValue(doc, "key1", String[].class));

        return redirect(getClass());
    }

    // ===================================================================================
    //                                                                        Assist Logic
    //                                                                        ============

    // ===================================================================================

        return redirect(getClass());
    }

    // ===================================================================================
    //                                                                        Assist Logic
    //                                                                        ============

    // ===================================================================================

        actual = Arrays.asList(KuromojiCSVUtil.parse(value));
        assertThat(actual, is(expected));

        value = "\"Fess,FESS\"";
        expected = Arrays.asList("\"Fess,FESS\"");
        actual = Arrays.asList(KuromojiCSVUtil.parse(value));
        assertThat(actual, is(expected));

        value = " ";
        expected = Arrays.asList(" ");

    }

    // ===================================================================================
    //                                                                        Assist Logic
    //                                                                        ============
    protected JsonResponse<ApiResult> asJson(final ApiResult bean) {
        return new JsonResponse<>(bean);
    }

    @Resource
    protected FessConfig fessConfig;

    // ===================================================================================
    //                                                                              Assist
    //                                                                              ======
    @Override
    protected void prepareAssistDirection(final FwAssistDirection direction) {

        assertEquals(66L, MemoryUtil.sizeOf(new String[] { "1234567890" }));
        assertEquals(132L, MemoryUtil.sizeOf(new String[] { "1234567890", "1234567890" }));
        assertEquals(132L, MemoryUtil.sizeOf(Lists.asList("1234567890", new String[] { "1234567890" })));
        assertEquals(132L, MemoryUtil.sizeOf(Maps.map("1234567890", "1234567890").$()));
    }

    private long getObjectSize(Object value) {

        });
    }

    // ===================================================================================
    //                                                                        Assist Logic
    //                                                                        ============

    protected void registerEnvItems(final RenderData data) {
        RenderDataUtil.register(data, "envItems", getEnvItems());

        Map<String, Object> value = new LinkedHashMap<>();
        DocMap docMap = new DocMap(value);
        assertTrue(docMap.isEmpty());
        value.clear();

        List<String> keys = Arrays.asList("test_2", "test_0", "lang", "test_1");
        value.put(keys.get(0), true);
        value.put(keys.get(1), 1000);
        value.put(keys.get(2), "ja");
        value.put(keys.get(3), "str");