@Mock注释后，模拟实例为null

  • Z时代
  • 2024-01-10
  • 分类：问答

我尝试运行此测试：

    @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为：

Mockito.when(routingClientMock.

我想念什么？

回答：

当您要使用@Mock注释时，应使用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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