04. SpringBoot整合Junit

创建普通的spring boot项目

说明：不需要打勾任何选项

目录结构

BookService类

package com.example.service;


public interface BookService {
    public void save();
}

BookServiceImpl类

package com.example.service.impl;

import com.example.service.BookService;
import org.springframework.stereotype.Service;


@Service
public class BookServiceImpl implements BookService {

    @Override
    public void save() {
        System.out.println("Book Service is running...");
    }
}

Springboot07TestApplicationTests类

BooService 加上@autowired 

测试方法用contextLoads(), 或则save()都行

package com.example;

import com.example.service.BookService;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;

@SpringBootTest
class Springboot07TestApplicationTests {

    @Autowired
    private BookService bookService;
    @Test
    //测试一
    void contextLoads() {
        bookService.save();
    }

    @Test
    //测试二
    public void save(){
        bookService.save();
    }
}

contextLoads()方法

 save()方法

说明：

 Springboot07TestApplicationTests 类的注解@SpringBootTest作用是做配置。

如果下图中两个报名不一样，那么Springboot07TestApplicationTests的类的注解要这样写：

@SpringBootTest(classes = Springboot07TestApplication.class)