EasyMock 入门级实例

//首先创建一个接口BaseDao.java
package com.abin.lee.easymock;

/**
* Created with IntelliJ IDEA.
* User: abin
* Date: 13-4-22
* Time: 上午8:06
* To change this template use File | Settings | File Templates.
*/
public interface BaseDao {
    public String queryById(String id);
}


//创建一个调用类BaseService.java
package com.abin.lee.easymock;

/**
* Created with IntelliJ IDEA.
* User: abin
* Date: 13-4-22
* Time: 上午8:09
* To change this template use File | Settings | File Templates.
*/
public class BaseService {
    private BaseDao baseDao;
    public void setDao(BaseDao baseDao){
         this.baseDao=baseDao;
    }

    public String carryQuery(String id){
          return this.baseDao.queryById(id);

    }
}





//创建一个测试类：BaseTest.java
package com.abin.lee.easymock;

import junit.framework.TestCase;
import org.easymock.EasyMock;
import org.junit.Test;

/**
* Created with IntelliJ IDEA.
* User: abin
* Date: 13-4-22
* Time: 上午8:12
* To change this template use File | Settings | File Templates.
*/
public class BaseTest {
    @Test
    public void testBaseDao(){
        //1、创建mock对象，以接口形式创建
        BaseDao baseDaoMock= EasyMock.createMock(BaseDao.class);
        //2、设定参预期和返回，查询预期值得到所设定的预期结果
        EasyMock.expect(baseDaoMock.queryById("111")).andReturn("abin");
        //3、结束录制
        EasyMock.replay(baseDaoMock);
        //比较service调用的值是否与设定的值相同
        BaseService baseService=new BaseService();
        baseService.setDao(baseDaoMock);
        String result=baseService.carryQuery("111");
        System.out.println("result="+result);
        TestCase.assertNotNull(result);
        TestCase.assertEquals("abin",result);
        //4、回放录制
       EasyMock.verify(baseDaoMock);

    }
}