看Spring源码,配置自己的JUnit Test.

在我同学老欧的影响下,我也认真学习了一下Spring的源码,学习了一下mock包,并总结搞出了自己的JUnit Test,Spring让一切如此简单。
我自己实际写的比下面的更简单,不需要像下面的JUnitConfigBase.xml和JUnitConfig.xml那么繁琐,但是加上他后文章更直观。我实际写的的只是改写了下面JUnitTestJavaeye.java加载自己工程的config mapping,就不需要下面两个xml文件了.这里就不多说了,希望大家看了后也能改动他,让他更简单。

1 导入一个spring-mock.jar;
2 这里需要写你的JUnit配置文件
JUnitConfig.xml
主要是你要测试的类的配置。
<?xml version="1.0" encoding="UTF-8"?> 
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd"> 

<beans> 
	<!-- 下面beans是准备被测试的 -->
	<bean id="itemService" class="com.cme.javaeye.item.service.ItemServiceImpl">
		<property name="itemDao" ref="itemDao"/>
	</bean>
	
	<bean name="itemDao" class="com.cme.javaeye.item.dao.itemDaoImpl" parent="baseHibDao"/>	
	
	<bean id="itemController" class="com.cme.javaeye.item.controller.ItemController">
		<property name="itemService" ref="itemService"/>
	</bean>	

</beans> 



JUnitConfigBase.xml
主要是数据源和hibernate的配置。
<?xml version="1.0" encoding="UTF-8"?> 
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd"> 

<!-- 
 - Application context definition for Petclinic on Hibernate. 
--> 
<beans> 
	
    <!-- Configure Local DataSource --> 
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> 
        <property name="driverClassName"><value>com.mysql.jdbc.Driver</value></property> 
        <property name="url"><value>jdbc:mysql://localhost:3306/myDB?autoReconnect=true</value></property> 
        <property name="username"><value>username</value></property> 
        <property name="password"><value>password</value></property> 
    </bean> 
	
	<!-- Configure Base And Templates Of Hibernate --> 
    <bean id="hibSessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
		<property name="dataSource" ref="dataSource"/>
		<property name="configLocation">
            <value>classpath:hibernate.cfg.xml</value>
        </property>
		<property name="hibernateProperties">
      		<props>
        		<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
      		</props>
		</property>
    	<property name="exposeTransactionAwareSessionFactory"><value>false</value></property>
	</bean>
	
 	<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate" >
    	<property name="sessionFactory" ref="hibSessionFactory" />
  	</bean>	
	
	<bean id="openSessionInViewInterceptor"
		class="org.springframework.orm.hibernate3.support.OpenSessionInViewInterceptor" >
		<property name="sessionFactory" ref="hibSessionFactory" />
	</bean>

	<bean id="transactionManager"
		class="org.springframework.orm.hibernate3.HibernateTransactionManager" >
		<property name="sessionFactory" ref="hibSessionFactory" />
	</bean>

	<bean name="transactionTemplate" class="org.springframework.transaction.support.TransactionTemplate" >
		<property name="transactionManager" ref="transactionManager" />
	</bean>
    
	<bean id="baseHibDao" abstract="true">
		<property name="sessionFactory" ref="hibSessionFactory"/>
    </bean>

</beans> 

3 写一个JUnit的基类 JUnitTestJavaeye.java.
它继承了一个抽象类,并重写了他继承的类的父类AbstractSingleSpringContextTests的getConfigLocations()方法。
package com.javaeye.junittest;

import org.springframework.test.AbstractDependencyInjectionSpringContextTests;

public abstract class JUnitTestJavaeye extends AbstractDependencyInjectionSpringContextTests {
	protected String[] getConfigLocations() {
		String[] config = new String[] {
	            "classpath:JUnitConfigBase.xml","classpath:JUnitConfig.xml"
	        };

	    return config;
	}
}

4 一切准备就绪啦,大家都看到啦JUnitTestJavaeye.java是一个抽象类,当然是被继承的。
我们写的测试类只要继承他就OK啦。
package com.cme.junittest;

import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;

import com.cme.javaeye.item.controller.ItemController;
import com.cme.javaeye.item.form.ItemForm;

public class TestJUnit extends JUnitTestJavaeye  {
	private ItemController controller;

	public void testInsert() throws Exception {

		controller = (ItemController) this.applicationContext.getBean("itemController");
		ItemForm form = new ItemForm();
		MockHttpServletRequest request = new MockHttpServletRequest();
		MockHttpServletResponse response = new MockHttpServletResponse();

		form.setItemId("1");
		form.setDateAdded("2007-07-07");
		form.setDateLastModified("2007-07-07");
		//more...
                //测试你的itemController的save方法.
		controller.saveItem(request, response, form);

	}

}

现在你就可以用JUnit测试啦。(第一次发表文章在首页,欢迎大家拍砖)

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