Vfrdtyky

I am trying to write a unit test for my "OncePerRequestFilter" filter. The problem is the Autowired bean appearing as null inside "public OncePerRequestFilter clientInterceptorFilter()" only in a unit test. The code snippets of my unit test and Filter class is copied below. Can somebody guide me how I can inject the dependent beans in Servlet filter.

My Unit test code goes here

@RunWith(SpringRunner.class)

@ImportAutoConfiguration({ RefreshAutoConfiguration.class })

@TestPropertySource(locations = "classpath:application.properties")

@Import({ FilterConfig.class, IAuthServiceClient.class, AppConfig.class })

// @TestExecutionListeners({

// DependencyInjectionTestExecutionListener.class,

// DirtiesContextTestExecutionListener.class})

public class FilterConfigTest implements AppConstants {



    @MockBean

    private IAuthServiceClient authService;



    @Autowired

    FilterConfig config;



    @Autowired

    ResourceLoader loader;



    @Autowired

    AppConfig appconfig;



    private MockHttpServletRequest  request;

    private MockHttpServletResponse response;

    private MockFilterChain         chain;

    private OncePerRequestFilter    filter;



    @SuppressWarnings("serial")

    @Before

    public void setUp() throws Exception {

        request = new MockHttpServletRequest();

        response = new MockHttpServletResponse();

        chain = new MockFilterChain();

        filter = new FilterConfig().clientInterceptorFilter();



    }

    @Test

    public void validTokenTest() throws IOException, ServletException {

        BDDMockito.given(authService.getPrincipal(anyString(), anyList())).willReturn(getStubbedPrincipal());

        this.request.addHeader(HttpHeaders.AUTHORIZATION, "sometoken");

        this.request.addHeader(XH_AUTH_HEADER, "someauthheader");

        this.filter.doFilter(this.request, this.response, this.chain);

    }

}

My Filter class is below. Both "authService" and "config" are null inside "public OncePerRequestFilter clientInterceptorFilter() " function

 @Configuration

    public class FilterConfig implements AppConstants {

        @Autowired

        private IAuthServiceClient authService;



        @Autowired

        AppConfig config;



        private final static Logger logger = LoggerFactory.getLogger(FilterConfig.class);





        @Bean

        public OncePerRequestFilter clientInterceptorFilter() {

            return new OncePerRequestFilter() {

                @Override

                protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,

                        FilterChain filterChain) throws ServletException, IOException {

                    String authorization = Optional.ofNullable(request.getHeader(HttpHeaders.AUTHORIZATION)).orElse(null);

                    String xhAuth = Optional.ofNullable(request.getHeader(XH_AUTH_HEADER)).orElse(null);

                    List<String> scopes = config.getscopesAsList();



                    try {

                        Principal principal = authService.getPrincipal(authorization, scopes);

                        if(principal != null) {

                         //do something

                          filterChain.doFilter(request, response);

                        }



                    } catch (Exception e) {



                       throw new NoAuthorizedPrincipalFound(HttpStatus.UNAUTHORIZED, INVALID_AUTOIRIZED_PRINCIPAL);



                    }



                }

            };

        }



    }