一、概述

        Spring中获取bean最常见的方式是通过ClassPathXmlApplicationContext 或者 AnnotationConfigApplicationContext的getBean()方式获取bean，那么在Spring中如何像在SpringBoot中直接一个类上添加个@SpringBootTest注解，即可在类中注入自己想要测试的bean呢？解决方案是有的，spring-test即提供了这个功能。Spring整合单元测试步骤如下：

二、Spring整合Junit单元测试

2.1、整体结构

2.2、pom

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>org.star</groupId><artifactId>spring5x06-mybatis</artifactId><version>1.0-SNAPSHOT</version><packaging>jar</packaging><name>spring5x06-mybatis</name><url>http://maven.apache.org</url><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></properties><dependencies><!--spring基本依赖--><dependency><groupId>org.springframework</groupId><artifactId>spring-aop</artifactId><version>5.2.5.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-beans</artifactId><version>5.2.5.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>5.2.5.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-core</artifactId><version>5.2.5.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-expression</artifactId><version>5.2.5.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>5.2.5.RELEASE</version></dependency><!-- 数据源 --><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>8.0.26</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.2.16</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-jdbc</artifactId><version>5.3.27</version></dependency><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>3.5.11</version></dependency><dependency><groupId>org.mybatis</groupId><artifactId>mybatis-spring</artifactId><version>2.1.0</version></dependency><!-- 普通maven项目中使用Sl4j注解 --><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><version>1.18.22</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-api</artifactId><version>1.7.32</version></dependency><dependency><groupId>ch.qos.logback</groupId><artifactId>logback-classic</artifactId><version>1.2.10</version></dependency><!-- aop --><dependency><groupId>cglib</groupId><artifactId>cglib</artifactId><version>3.1</version></dependency><dependency><groupId>aopalliance</groupId><artifactId>aopalliance</artifactId><version>1.0</version></dependency><dependency><groupId>org.aspectj</groupId><artifactId>aspectjweaver</artifactId><version>1.9.19</version></dependency><!-- 工具 --><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.13.2</version><scope>test</scope></dependency><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.76</version></dependency><dependency><groupId>org.apache.commons</groupId><artifactId>commons-collections4</artifactId><version>4.3</version></dependency><dependency><groupId>org.apache.commons</groupId><artifactId>commons-lang3</artifactId><version>3.11</version></dependency><dependency><groupId>cn.hutool</groupId><artifactId>hutool-all</artifactId><version>5.7.22</version></dependency><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><version>2.12.1</version></dependency><dependency><groupId>commons-logging</groupId><artifactId>commons-logging</artifactId><version>1.1.1</version></dependency></dependencies><build><resources><resource><directory>src/main/java</directory><includes><include>**/*.xml</include></includes></resource><resource><directory>src/main/resources</directory></resource></resources></build></project>

2.3、使用

/*** @Author : 一叶浮萍归大海* @Date: 2023/11/23 19:12* @Description: Spring整合单元测试*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:applicationContext.xml")
public class SpringJunitTest {@Resourceprivate UserMapper userMapper;@Resourceprivate UserService userService;@Testpublic void userMapperTest() {List<UserDO> userDOS = userMapper.listAllUser();System.out.println("userMapper = " + userMapper);System.out.println("userDOS = " + userDOS);}@Testpublic void userServiceTest() {List<UserDO> userDOS = userService.listAllUser();System.out.println("userService = " + userService);System.out.println("userDOS = " + userDOS);}}