Spring 过滤器链未应用于单元测试 MockMvc

Spring filter chain is not applied on unit test MockMvc

我制作了一个自定义过滤器并在 WebConfig 上注册,但是当我调用 api 时,过滤器没有被调用。我查看了日志,似乎没有应用我在配置中描述的过滤器链。但是我检查了 WebConfig 是使用调试器调用的。

//MyFilter.java
@Component
public class MyFilter implements Filter {
  @Override
  doFilter(...) { // This part is NOT getting invoked
    ...
  }
}
//WebConfig.java
@Configuration
public class WebConfig {
  @Bean
  public FilterRegistrationBean<MyFilter> myFilter() { // This part is getting invoked
    regBean = new FilterRegistrationBean();
    regBean.setFilter(new MyFilter());
    regBean.setOrder(0);
    return regBean;
  }
}
//MyTest.java
@SpringBootTest
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = MyApplication.class)
public class MyTest {
  
  private MockMvc mockMvc;

  @Autowired
  WebApplicationContext ctx;

  @Before
  public void before() {
    mockMvc = MockMvcBuilders.webApplicationSetup(ctx).build();
  }

  @Test
  public void doTest() {
    mockMvc.perform(...);
  }
}
this.mockMvc = MockMvcBuilders.webApplicationSetup(ctx)
            .addFilters(filter).build();

如果您不使用@AutoConfiguraMockMvc,那么您必须向 mockMvc 构建器添加过滤器。

What's required to make mockMVC test a filter's init routine?

这里还有一个配置问题。

@Bean
  public FilterRegistrationBean<MyFilter> myFilter(MyFilter myfilter) { // This part is getting invoked
    regBean = new FilterRegistrationBean();
    regBean.setFilter(myFilter);
    regBean.setOrder(0);
    return regBean;
  }

您正在将过滤器的新实例放入过滤器链,但您创建的是单例过滤器。你可以使用上面的配置。