谈谈如何使用好单元测试这把武器

public ApiResponse<List<Long>> getInitingSolution() {
    List<Long> solutionIdList = new ArrayList<>();
    SolutionListParam solutionListParam = new SolutionListParam();
    solutionListParam.setSolutionType(SolutionType.GRAPH);
    solutionListParam.setStatus(SolutionStatus.INIT_PENDING);
    solutionListParam.setStartId(0L);
    solutionListParam.setPageSize(100);
    List<OperatingPlan> operatingPlanList =  operatingPlanMapper.queryOperatingPlanListByType(solutionListParam);
    for(; !CollectionUtils.isEmpty(operatingPlanList);){
        /*
            do something
            */
        solutionListParam.setStartId(operatingPlanList.get(operatingPlanList.size() - 1).getId());
        operatingPlanList =  operatingPlanMapper.queryOperatingPlanListByType(solutionListParam);
    }
    return ResponsePackUtils.packSuccessResult(solutionIdList);
}

@RunWith(PowerMockRunner.class) 
@PrepareForTest({Calendar.class, ImpServiceTest.class})    
public class ImpServiceTest {

    @InjectMocks
    private ImpService impService = new ImpServiceImpl();

    @Before
    public void setup(){
        MockitoAnnotations.initMocks(this);

        Calendar now = Calendar.getInstance();
        now.set(2022, Calendar.JULY, 2 ,0,0,0);

        PowerMockito.mockStatic(Calendar.class);
        PowerMockito.when(Calendar.getInstance()).thenReturn(now);
    }
}

@RunWith(PowerMockRunner.class)
@PrepareForTest({DataEntry.class})
public class MockTair {
    @Mock
    private DataEntry dataEntry;

    @Before
    public void hack() throws Exception {
        //solve it should be loaded by Pandora Container. Can not load this fake sdk class. please refer to http://gitlab.alibaba-inc.com/middleware-container/pandora-boot/wikis/faq for the solution
        PowerMockito.whenNew(DataEntry.class).withNoArguments().thenReturn(dataEntry);
    }
    
    @Test
    public void mock() throws Exception {
        String value = "value";
        PowerMockito.when(dataEntry.getValue()).thenReturn(value);
        DataEntry tairEntry = new DataEntry();
        //值相等
        Assert.assertEquals(value.equals(tairEntry.getValue()));
    }
}

@RunWith(PandoraBootRunner.class)
@DelegateTo(SpringRunner.class)
public class EventProcessorTest {

    @InjectMocks
    private EventProcessor eventProcessor;
    @Mock
    private DynamicService dynamicService;
    @Mock
    private MetaProducer dynamicEventProducer;

    @Test
    public void dynamicDelayConsumer() throws MQClientException, RemotingException, InterruptedException, MQBrokerException {
        //获取bean
        MetaPushConsumer metaPushConsumer = eventProcessor.dynamicEventConsumer();
        
        //获取Listener
        MessageListenerConcurrently messageListener = (MessageListenerConcurrently)metaPushConsumer.getMessageListener();
        List<MessageExt> list = new ArrayList<>();
        
        //这个需要依赖PandoraBootRunner
        MessageExt messageExt = new MessageExt();
        list.add(messageExt);
        Event event = new Event();
        event.setUserType(3);
        String text = JSON.toJSONString(event);
        messageExt.setBody(text.getBytes());
        messageExt.setMsgId(""+System.currentTimeMillis());
        
        //测试consumeMessage方法
        messageListener.consumeMessage(list, new ConsumeConcurrentlyContext(new MessageQueue()));
        doThrow(new RuntimeException()).when(dynamicService).triggerEventV2(any());
        messageListener.consumeMessage(list, new ConsumeConcurrentlyContext(new MessageQueue()));
        messageExt.setBody(null);
        messageListener.consumeMessage(list, new ConsumeConcurrentlyContext(new MessageQueue()));
    }
}

// 1. 使用PowerMockRunner
@RunWith(PowerMockRunner.class)

// 2.使用PandoraBootRunner, 启动pandora，使用tair，metaq等 
@RunWith(PandoraBootRunner.class)

// 3. springboot启动，加入context上下文，可以直接获取bean
@SpringBootTest(classes = {TestApplication.class})

@Service
public class LoginServiceImpl implements LoginService{
    public Boolean login(String username, String password,String ip) {
        // 校验ip
        if (!IpUtil.verify(ip)) {
            return false;
        }
        /*
          other func
        */
        return true;
    }
}

@Service
public class LoginServiceImpl implements LoginService{
    public Boolean login(String username, String password,String ip) {
        // 校验ip
        if (!IpUtil.verify(ip)) {
            return false;
        }
        /*
          other func
        */
        return true;
    }
}

userService.updateName(1L,"qiushuo");
verify(mockedUserRepository, times(1)).updateName(1L,"qiushuo");

@Test(expected = InvalidParamException.class)
public void testUpdateNameThrowExceptionWhenIdNull() {
   doThrow(new InvalidParamException())
      .when(mockedUserRepository).updateName(null,anyString();
   userService.updateName(null,"qiushuo");
}