Spring整合Junit框架进行单元测试Demo

一.开发环境

eclipse版本：4.6.1

maven版本：3.3.3

junit版本：4.12

spring版本：4.1.5.RELEASE

JDK版本：1.8.0_111

二.项目结构

图

三.文件清单

pom.xml

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1. <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
2.     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">  
3.     <modelVersion>4.0.0</modelVersion>  
4.     <groupId>springJunit</groupId>  
5.     <artifactId>springJunit</artifactId>  
6.     <version>1.0</version>  
7.     <packaging>war</packaging>  
8.     <properties>  
9.         <!-- spring版本号 -->  
10.         <spring.version>4.1.5.RELEASE</spring.version>  
11.         <!-- junit版本号 -->  
12.         <junit.version>4.12</junit.version>  
13.     </properties>  
14.     <dependencies>  
15.         <dependency>  
16.             <groupId>org.springframework</groupId>  
17.             <artifactId>spring-test</artifactId>  
18.             <version>${spring.version}</version>  
19.         </dependency>  
20.         <dependency>  
21.             <groupId>org.springframework</groupId>  
22.             <artifactId>spring-context</artifactId>  
23.             <version>${spring.version}</version>  
24.         </dependency>  
25.         <dependency>  
26.             <groupId>junit</groupId>  
27.             <artifactId>junit</artifactId>  
28.             <version>${junit.version}</version>  
29.             <scope>test</scope>  
30.         </dependency>  
31.     </dependencies>  
32. </project>  

<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>springJunit</groupId>    <artifactId>springJunit</artifactId>    <version>1.0</version>    <packaging>war</packaging>    <properties>        <!-- spring版本号 -->        <spring.version>4.1.5.RELEASE</spring.version>        <!-- junit版本号 -->        <junit.version>4.12</junit.version>    </properties>    <dependencies>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-test</artifactId>            <version>${spring.version}</version>        </dependency>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-context</artifactId>            <version>${spring.version}</version>        </dependency>        <dependency>            <groupId>junit</groupId>            <artifactId>junit</artifactId>            <version>${junit.version}</version>            <scope>test</scope>        </dependency>    </dependencies></project>

JunitTest.java

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1. package com.dqiang;  
2.   
3. public interface JunitTest {  
4.     public String sayHelloWorld(String word);  
5. }  

package com.dqiang;public interface JunitTest {    public String sayHelloWorld(String word);}

JunitTestImpl.java

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1. package com.dqiang.impl;  
2.   
3. import org.springframework.stereotype.Service;  
4.   
5. import com.dqiang.JunitTest;  
6.   
7. @Service  
8. public class JunitTestImpl implements JunitTest {  
9.     public String sayHelloWorld(String word) {  
10.         return "hello->" + word;  
11.     }  
12. }  

package com.dqiang.impl;import org.springframework.stereotype.Service;import com.dqiang.JunitTest;@Servicepublic class JunitTestImpl implements JunitTest {    public String sayHelloWorld(String word) {        return "hello->" + word;    }}

JTest.java

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1. package springJunit;  
2.   
3. import org.junit.Test;  
4. import org.junit.runner.RunWith;  
5. import org.springframework.beans.factory.annotation.Autowired;  
6. import org.springframework.test.context.ContextConfiguration;  
7. import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;  
8.   
9. import com.dqiang.JunitTest;  
10.   
11. @RunWith(SpringJUnit4ClassRunner.class)  
12. @ContextConfiguration(locations = { "classpath:springmvc.xml" })  
13. public class JTest {  
14.     @Autowired  
15.     private JunitTest junitTest;  
16.   
17.     @Test  
18.     public void sayHelloWorld() {  
19.         String result = junitTest.sayHelloWorld("junit Test");  
20.         System.out.println(result);  
21.     }  
22. }  

package springJunit;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.dqiang.JunitTest;@RunWith(SpringJUnit4ClassRunner.class)@ContextConfiguration(locations = { "classpath:springmvc.xml" })public class JTest {    @Autowired    private JunitTest junitTest;    @Test    public void sayHelloWorld() {        String result = junitTest.sayHelloWorld("junit Test");        System.out.println(result);    }}

说明：

@RunWith 使用RunWith注解改变JUnit的默认执行类，并实现自已的Listener在平时的单元测试，如果不使用RunWith注解，那么JUnit将会采用默认的执行类Suite执行。
@ContextConfiguration 可以通过该属性手工指定 Spring 配置文件所在的位置，可以指定一个或多个 Spring 配置文件。

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