用JMock进行单元测试

　　{

　　this.dao = dao;

　　}

　　public String operate()

　　{

　　List list = dao.execute("select * from tbl_test");

　　return (String) list.get(0);

　　}

　　}

　　//BusinessTest.java

　　package com.raistlin.test.jmock

　　import org.jmock.cglib.MockObjectTestCase;

　　import org.jmock.cglib.Mock;

　　public class BusinessTest extends MockObjectTestCase

　　{

　　private Mock mockDao = null;

　　private Business business = null;

　　protected void setUp() throws Exception

　　{

　　super.setUp();

　　mockDao = new Mock(Dao.class);

　　business = new Business();

　　}

　　protected void tearDown() throws Exception

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