day38 20-Spring与Junit整合

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package cn.itcast.test;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import cn.itcast.service.UserService;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations="classpath:applicationContext.xml")//这种方式的好处是不用你自己去加载配置文件了.
//这种测试以后要习惯,结合Spring进行单元测试的时候都会使用这种方式.
public class SpringTest {
    @Autowired//想用哪个类直接一注入就行了.
    private UserService userService;

     @Test
     public void demo1(){

         userService.sayHello();
     }
}