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

package com.dqiang;
public interface JunitTest {

public String sayHelloWorld(String word);

}

JunitTestImpl.java

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2. package com.dqiang.impl;  
3.   
4. import org.springframework.stereotype.Service;  
5.   
6. import com.dqiang.JunitTest;  
7.   
8. @Service  
9. public class JunitTestImpl implements JunitTest {  
10.     public String sayHelloWorld(String word) {  
11.         return "hello->" + word;  
12.     }  
13. }  

package com.dqiang.impl;
import org.springframework.stereotype.Service;
import com.dqiang.JunitTest;
@Service

public class JunitTestImpl implements JunitTest {

public String sayHelloWorld(String word) {

return "hello->" + word;

}

}

JTest.java

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2. package springJunit;  
3.   
4. import org.junit.Test;  
5. import org.junit.runner.RunWith;  
6. import org.springframework.beans.factory.annotation.Autowired;  
7. import org.springframework.test.context.ContextConfiguration;  
8. import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;  
9.   
10. import com.dqiang.JunitTest;  
11.   
12. @RunWith(SpringJUnit4ClassRunner.class)  
13. @ContextConfiguration(locations = { "classpath:springmvc.xml" })  
14. public class JTest {  
15.     @Autowired  
16.     private JunitTest junitTest;  
17.   
18.     @Test  
19.     public void sayHelloWorld() {  
20.         String result = junitTest.sayHelloWorld("junit Test");  
21.         System.out.println(result);  
22.     }  
23. }  

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。