本文介绍了模拟实例在@Mock 注释后为空的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我尝试运行这个测试:
@Mock IRoutingObjHttpClient routingClientMock;
@Mock IRoutingResponseRepository routingResponseRepositoryMock;
@Test
public void testSendRoutingRequest() throws Exception {
CompleteRoutingResponse completeRoutingResponse = new CompleteRoutingResponse();
completeRoutingResponse.regression_latencyMillis = 500L;
Mockito.when(routingClientMock.sendRoutingRequest(any(RoutingRequest.class))).thenReturn(completeRoutingResponse);
RoutingObjHttpClientWithReRun routingObjHttpClientWithReRun = new RoutingObjHttpClientWithReRun
(routingClientMock, routingResponseRepositoryMock);
...
}
但我得到 NullPointerException:
but I get NullPointerException for:
Mockito.when(routingClientMock.
我错过了什么?
推荐答案
当你想使用 @Mock 注解时你应该使用 MockitoJUnitRunner
When you want to use the @Mock annotation you should use the MockitoJUnitRunner
@RunWith(MockitoJUnitRunner.class)
public class MockitoTest {
@Mock
private IRoutingObjHttpClient routingClientMock;
@Test
public void testSendRoutingRequest() throws Exception {
// ...
}
}
另请参阅本教程.
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