public List<SelectorData> obtainSelectorData(final String pluginName) {
        return SELECTOR_MAP.get(pluginName);
    }
@Test
    public void testObtainSelectorData() throws NoSuchFieldException, IllegalAccessException {
        SelectorData selectorData = SelectorData.builder().id("1").pluginName(mockPluginName1).build();
        ConcurrentHashMap<String, List<SelectorData>> selectorMap = getFieldByName(selectorMapStr);
        selectorMap.put(mockPluginName1, Lists.newArrayList(selectorData));

        List<SelectorData> selectorDataList = BaseDataCache.getInstance().obtainSelectorData(mockPluginName1);
        assertEquals(Lists.newArrayList(selectorData), selectorDataList);
    }