调用给定的模拟void方法时执行自定义操作

问题描述

我希望Mockito在调用给定的void方法时执行自定义操作.

I would like to be able for Mockito to perform a custom action when a given void method is called.

说我有以下代码:

@Autowired
private ProfileService profileService;

@Autowired
private ProfileDao profileDao;

private List<Profile> profiles;

@Before
public void setup() {
    Mockito.when(profileDao.findAll()).thenReturn(profiles);
    Mockito.when(profileDao.persist(any(Profile.class))).thenAddProfileToAboveList...
}

@Configuration
public static class testConfiguration {
    @Bean
    public ProfileDao ProfileDao() {
        return mock(ProfileDao.class);
    }
}

说我要向配置文件列表添加一个配置文件实例. Mockito可以做到吗?如果可以，怎么办?

Say I want to add a Profile instance to the profiles list. Can Mockito do that? If so how?

推荐答案

使用 Mockito.doAnswer .

doAnswer(new Answer() {
   public Object answer(InvocationOnMock invocation) {
       // make the changes you need here
   }})
 .when(mock).someMethod();

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