@Override
    public AdminUserDO getUserByMobile(String mobile) {
        return userMapper.selectByMobile(mobile);
    }
@Test
    public void testGetUserByMobile() {
        // mock 数据
        AdminUserDO dbUser = randomAdminUserDO();
        userMapper.insert(dbUser);
        // 准备参数
        String mobile = dbUser.getMobile();

        // 调用
        AdminUserDO user = userService.getUserByMobile(mobile);
        // 断言
        assertPojoEquals(dbUser, user);
    }