easymock出乎意料的行为

时间:2011-06-17 11:11:41

标签: java unit-testing easymock

我不确定我在这里做错了什么。我的代码中有这个错误,所以我写了一个简单的例子来尝试识别错误所在。

我有一个ClassA,它依赖于两个服务ServiceA和ServiceB,我正在尝试测试ClassA,并模拟ServiceA和ServiceB。

  /**
 * Last edited by: $Author: cg $
 * on: $Date: 17 Jun 2011 11:36:25 $
 * Filename: $RCSfile: ClassA.java,v $
 * Revision: $Revision:   $
 */
package easy;

import java.util.HashMap;


/** 
 * 
 * @version $Revision: $, $Date: 17 Jun 2011 11:36:25 $ 
 */
public class ClassA {
    private ServiceA serviceA;
    private ServiceB serviceB;
    public ClassA(ServiceA a, ServiceB b) {
        this.serviceA = a;
        this.serviceB = b;        
    }
    public String process(String p) {
        HashMap<String,String> a = serviceA.getServiceA(p);
        String ret = serviceB.getServiceB(a);
        return ret;
    }
}


interface ServiceA{
    HashMap<String,String>getServiceA(String s);
}

interface ServiceB{
    String getServiceB(HashMap<String,String> p);
}

我的测试如下:

/**
 * Last edited by: $Author: cg $
 * on: $Date: 17 Jun 2011 11:43:05 $
 * Filename: $RCSfile: ClassATest.java,v $
 * Revision: $Revision:   $
 */
package easy;

import static org.easymock.EasyMock.eq;
import static org.easymock.EasyMock.expect;

import java.util.HashMap;

import junit.framework.Assert;

import org.easymock.EasyMock;
import org.easymock.IMocksControl;
import org.junit.Test;
/**
 * 
 * @version $Revision: $, $Date: 17 Jun 2011 11:43:05 $
 */
public class ClassATest {

    @Test
    public void testProcess() {
        IMocksControl mockery = EasyMock.createControl();
        mockery.resetToStrict();
        mockery.checkOrder(true);

        ServiceA serviceA = EasyMock.createMock("ServiceA",ServiceA.class);
        ServiceB serviceB = EasyMock.createMock("ServiceB",ServiceB.class);

        ClassA a = new ClassA(serviceA, serviceB);

        String myParam = "My Test";

        HashMap<String,String> retFromServiceA = new HashMap<String,String>();
        retFromServiceA.put("my", "name");
        expect(serviceA.getServiceA(eq(myParam))).andReturn(retFromServiceA);
        expect(serviceB.getServiceB(retFromServiceA)).andReturn(myParam);

        mockery.replay();
        String actual = a.process(myParam);
        mockery.verify();

        Assert.assertEquals(myParam, actual);
    }
}

结果失败,因为实际返回为空。

我尝试调试代码,并且我意识到虽然在我的期望中我说我希望 ServiceA.getServiceA 返回 retFromServiceA ,但事实并非如此。它正在返回 null

有什么想法吗?

1 个答案:

答案 0 :(得分:2)

在不使用mockery控件的情况下创建了ServiceS和ServiceS,因此您应该使用:

EasyMock.replay(serviceA, serviceB);

在执行流程方法之前