@Override
    public Long createArticleCategory(ArticleCategoryCreateReqVO createReqVO) {
        // 插入
        ArticleCategoryDO category = ArticleCategoryConvert.INSTANCE.convert(createReqVO);
        articleCategoryMapper.insert(category);
        // 返回
        return category.getId();
    }
@Test
    public void testCreateArticleCategory_success() {
        // 准备参数
        ArticleCategoryCreateReqVO reqVO = randomPojo(ArticleCategoryCreateReqVO.class);

        // 调用
        Long articleCategoryId = articleCategoryService.createArticleCategory(reqVO);
        // 断言
        assertNotNull(articleCategoryId);
        // 校验记录的属性是否正确
        ArticleCategoryDO articleCategory = articleCategoryMapper.selectById(articleCategoryId);
        assertPojoEquals(reqVO, articleCategory);
    }