Springboot整合junit单元测试

package com.example.demo.xk.service;

import static org.junit.jupiter.api.Assertions.*;

import java.util.List;

import org.junit.jupiter.api.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.example.demo.SpringbootMapperApplication;
import com.example.demo.xk.entity.User;

@RunWith(SpringJUnit4ClassRunner.class) //junit
@SpringBootTest(classes = SpringbootMapperApplication.class) //启动类
class TestDemo {
    @Autowired
    private UserService UserService;

    @Test
    void testTestSelectList() {
        List<User> usersList =UserService.testSelectList();
        for (User user : usersList) {
            System.out.println(user);
        }   
    }

    @Test
    void testTestSelectOne() {
        fail("Not yet implemented");
    }

}