Spring集成Junit4单元测试

1、maven依赖

<properties>
<org.springframework.version>4.2.4.RELEASE</org.springframework.version>
<java.version>1.7</java.version>
<maven.compiler.version>3.1</maven.compiler.version>
<junit.version>4.12</junit.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>

<dependencies>
<!-- Spring Test -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${org.springframework.version}</version>
</dependency>

<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>

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2、注解配置

package com.ricky.codelab.spring;

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 com.ricky.codelab.spring.aop.service.HelloService;

/**
* Spring4 + Junit4集成
* @author Ricky
*
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations="classpath:spring-annotation.xml")
public class HelloServiceTest {

@Autowired
private HelloService helloService;

@Test
public void testHello(){

helloService.sayHello("ricky");
}
}

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解释下用到的注解:
@RunWith：用于指定junit运行环境，是junit提供给其他框架测试环境接口扩展，为了便于使用spring的依赖注入，spring提供了org.springframework.test.context.junit4.SpringJUnit4ClassRunner作为Junit测试环境
@ContextConfiguration:用于指定spring配置环境
@TransactionConfiguration:用于配置事务
@Transactional:表示所有类下所有方法都使用事务

spring-annotation.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">

<context:annotation-config/>

<context:component-scan base-package="com.ricky.codelab.spring" />

</beans>