assertEquals(
                "if(ctx._source.lang!=null){ctx._source['title_'+ctx._source.lang]=ctx._source.title;ctx._source['content_'+ctx._source.lang]=ctx._source.content}",
                languageHelper.getReindexScriptSource());
    }

    @Test
    public void test_init() {
        try {
            languageHelper.init();
            // Should not throw exception
        } catch (Exception e) {