Examples with RequestContext com.linkedin.r2.message.RequestContext used on opensource projects

Example 66 with RequestContext

use of com.linkedin.r2.message.RequestContext in project rest.li by linkedin.

the class TestRestLiCallback method testOnErrorWithFiltersSuccessfulyHandlingAppEx.

@SuppressWarnings("unchecked")
@Test
public void testOnErrorWithFiltersSuccessfulyHandlingAppEx() throws Exception {
    Exception exFromApp = new RuntimeException("Runtime exception from app");
    RestLiServiceException appException = new RestLiServiceException(HttpStatus.S_404_NOT_FOUND);
    RequestExecutionReport executionReport = new RequestExecutionReportBuilder().build();
    RestLiResponseAttachments responseAttachments = new RestLiResponseAttachments.Builder().build();
    final Map<String, String> headersFromApp = Maps.newHashMap();
    headersFromApp.put("Key", "Input");
    final RecordTemplate entityFromFilter = Foo.createFoo("Key", "Two");
    final Map<String, String> headersFromFilter = Maps.newHashMap();
    headersFromFilter.put("Key", "Output");
    RestLiResponseDataImpl responseData = new RestLiResponseDataImpl(appException, headersFromApp, Collections.<HttpCookie>emptyList());
    responseData.setResponseEnvelope(new CreateResponseEnvelope(new EmptyRecord(), responseData));
    PartialRestResponse partialResponse = new PartialRestResponse.Builder().build();
    ArgumentCaptor<RestLiServiceException> exCapture = ArgumentCaptor.forClass(RestLiServiceException.class);
    when(_requestExecutionReportBuilder.build()).thenReturn(executionReport);
    when(_responseHandler.buildExceptionResponseData(eq(_restRequest), eq(_routingResult), exCapture.capture(), anyMap(), anyList())).thenReturn(responseData);
    when(_responseHandler.buildPartialResponse(_routingResult, responseData)).thenReturn(partialResponse);
    // Mock the behavior of the first filter.
    doAnswer(new Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            Throwable t = (Throwable) args[0];
            FilterRequestContext requestContext = (FilterRequestContext) args[1];
            FilterResponseContext responseContext = (FilterResponseContext) args[2];
            // Verify incoming data.
            assertEquals(HttpStatus.S_404_NOT_FOUND, responseContext.getResponseData().getStatus());
            assertEquals(headersFromApp, responseContext.getResponseData().getHeaders());
            assertNull(responseContext.getResponseData().getRecordResponseEnvelope().getRecord());
            // Modify data in filter.
            setStatus(responseContext, HttpStatus.S_400_BAD_REQUEST);
            responseContext.getResponseData().getHeaders().clear();
            return CompletableFuture.completedFuture(null);
        }
    }).when(_filter).onError(any(Throwable.class), eq(_filterRequestContext), any(FilterResponseContext.class));
    doAnswer(new Answer<Object>() {

        // Mock the behavior of the second filter.
        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            FilterRequestContext requestContext = (FilterRequestContext) args[0];
            FilterResponseContext responseContext = (FilterResponseContext) args[1];
            // Verify incoming data.
            assertEquals(HttpStatus.S_400_BAD_REQUEST, responseContext.getResponseData().getStatus());
            assertTrue(responseContext.getResponseData().getHeaders().isEmpty());
            assertNull(responseContext.getResponseData().getRecordResponseEnvelope().getRecord());
            // Modify data in filter.
            setStatus(responseContext, HttpStatus.S_403_FORBIDDEN);
            responseContext.getResponseData().getRecordResponseEnvelope().setRecord(entityFromFilter, HttpStatus.S_403_FORBIDDEN);
            responseContext.getResponseData().getHeaders().putAll(headersFromFilter);
            return CompletableFuture.completedFuture(null);
        }
    }).when(_filter).onResponse(eq(_filterRequestContext), any(FilterResponseContext.class));
    RestResponse restResponse = new RestResponseBuilder().build();
    when(_responseHandler.buildResponse(_routingResult, partialResponse)).thenReturn(restResponse);
    // invoke request filters so cursor is in correct place
    when(_filter.onRequest(any(FilterRequestContext.class))).thenReturn(CompletableFuture.completedFuture(null));
    _twoFilterChain.onRequest(_filterRequestContext, _filterResponseContextFactory);
    // Invoke.
    _twoFilterRestLiCallback.onError(exFromApp, executionReport, _requestAttachmentReader, responseAttachments);
    // Verify.
    assertNotNull(responseData);
    assertEquals(HttpStatus.S_403_FORBIDDEN, responseData.getStatus());
    assertEquals(entityFromFilter, responseData.getRecordResponseEnvelope().getRecord());
    assertEquals(headersFromFilter, responseData.getHeaders());
    verify(_responseHandler).buildExceptionResponseData(eq(_restRequest), eq(_routingResult), exCapture.capture(), anyMap(), anyList());
    verify(_responseHandler).buildPartialResponse(_routingResult, responseData);
    verify(_responseHandler).buildResponse(_routingResult, partialResponse);
    verify(_callback).onSuccess(restResponse, executionReport, responseAttachments);
    verify(_restRequest, times(1)).getHeaders();
    verifyZeroInteractions(_routingResult);
    verifyNoMoreInteractions(_restRequest, _responseHandler, _callback);
    RestLiServiceException restliEx = exCapture.getValue();
    assertNotNull(restliEx);
    assertEquals(HttpStatus.S_500_INTERNAL_SERVER_ERROR, restliEx.getStatus());
    assertEquals(exFromApp.getMessage(), restliEx.getMessage());
    assertEquals(exFromApp, restliEx.getCause());
}

Example 67 with RequestContext

use of com.linkedin.r2.message.RequestContext in project rest.li by linkedin.

the class TestRestLiCallback method testOnErrorWithFiltersExceptionFromFirstFilterSecondFilterDoesNotHandle.

@SuppressWarnings("unchecked")
@Test
public void testOnErrorWithFiltersExceptionFromFirstFilterSecondFilterDoesNotHandle() throws Exception {
    // App stuff.
    RestLiServiceException exFromApp = new RestLiServiceException(HttpStatus.S_404_NOT_FOUND, "App failure");
    RequestExecutionReport executionReport = new RequestExecutionReportBuilder().build();
    RestLiResponseAttachments responseAttachments = new RestLiResponseAttachments.Builder().build();
    RestLiResponseDataImpl responseAppData = new RestLiResponseDataImpl(exFromApp, Collections.<String, String>emptyMap(), Collections.<HttpCookie>emptyList());
    responseAppData.setResponseEnvelope(new CreateResponseEnvelope(new EmptyRecord(), responseAppData));
    // Filter stuff.
    final Exception exFromFirstFilter = new RuntimeException("Runtime exception from first filter");
    RestLiServiceException filterException = new RestLiServiceException(HttpStatus.S_500_INTERNAL_SERVER_ERROR);
    RestLiResponseDataImpl responseFilterData = new RestLiResponseDataImpl(filterException, Collections.<String, String>emptyMap(), Collections.<HttpCookie>emptyList());
    responseFilterData.setResponseEnvelope(new CreateResponseEnvelope(new EmptyRecord(), responseFilterData));
    PartialRestResponse partialResponse = new PartialRestResponse.Builder().build();
    RestException restException = new RestException(new RestResponseBuilder().build());
    // Setup.
    when(_requestExecutionReportBuilder.build()).thenReturn(executionReport);
    when(_responseHandler.buildExceptionResponseData(eq(_restRequest), eq(_routingResult), any(RestLiServiceException.class), anyMap(), anyList())).thenReturn(responseAppData);
    when(_responseHandler.buildPartialResponse(_routingResult, responseAppData)).thenReturn(partialResponse);
    when(_restRequest.getHeaders()).thenReturn(null);
    when(_responseHandler.buildRestException(any(Throwable.class), eq(partialResponse))).thenReturn(restException);
    Map<String, String> errorHeaders = buildErrorHeaders();
    // Mock filter behavior.
    doThrow(exFromFirstFilter).doAnswer(new Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            Throwable t = (Throwable) args[0];
            FilterRequestContext requestContext = (FilterRequestContext) args[1];
            FilterResponseContext responseContext = (FilterResponseContext) args[2];
            // The second filter should be invoked with original exception
            assertEquals(responseContext.getResponseData().getStatus(), HttpStatus.S_500_INTERNAL_SERVER_ERROR);
            assertNull(responseContext.getResponseData().getRecordResponseEnvelope().getRecord());
            assertEquals(responseContext.getResponseData().getHeaders(), errorHeaders);
            assertTrue(responseContext.getResponseData().isErrorResponse());
            // Modify data.
            setStatus(responseContext, HttpStatus.S_402_PAYMENT_REQUIRED);
            // filter.
            return completedFutureWithError(responseContext.getResponseData().getServiceException());
        }
    }).when(_filter).onError(any(Throwable.class), eq(_filterRequestContext), any(FilterResponseContext.class));
    // invoke request filters so cursor is in correct place
    when(_filter.onRequest(any(FilterRequestContext.class))).thenReturn(CompletableFuture.completedFuture(null));
    _twoFilterChain.onRequest(_filterRequestContext, _filterResponseContextFactory);
    // Invoke.
    _twoFilterRestLiCallback.onError(exFromApp, executionReport, _requestAttachmentReader, responseAttachments);
    // Verify.
    ArgumentCaptor<RestLiServiceException> exCapture = ArgumentCaptor.forClass(RestLiServiceException.class);
    verify(_responseHandler).buildExceptionResponseData(eq(_restRequest), eq(_routingResult), exCapture.capture(), anyMap(), anyList());
    verify(_responseHandler).buildRestException(exCapture.capture(), eq(partialResponse));
    assertEquals(exCapture.getValue().getStatus(), HttpStatus.S_402_PAYMENT_REQUIRED);
    verify(_responseHandler).buildPartialResponse(_routingResult, responseAppData);
    verify(_callback).onError(restException, executionReport, _requestAttachmentReader, responseAttachments);
    verify(_restRequest).getHeaders();
    verifyZeroInteractions(_routingResult);
    verifyNoMoreInteractions(_restRequest, _responseHandler, _callback);
    assertNotNull(responseAppData);
    assertEquals(HttpStatus.S_402_PAYMENT_REQUIRED, responseAppData.getStatus());
    assertEquals(responseAppData.getHeaders(), errorHeaders);
    assertNull(responseAppData.getRecordResponseEnvelope().getRecord());
    RestLiServiceException restliEx = exCapture.getAllValues().get(0);
    assertNotNull(restliEx);
    assertEquals(exFromApp.getStatus(), restliEx.getStatus());
    assertEquals(exFromApp.getMessage(), restliEx.getMessage());
    restliEx = exCapture.getAllValues().get(1);
    assertNotNull(restliEx);
    assertEquals(HttpStatus.S_402_PAYMENT_REQUIRED, restliEx.getStatus());
}

Example 68 with RequestContext

use of com.linkedin.r2.message.RequestContext in project rest.li by linkedin.

the class TestRestLiCallback method testOnSuccessWithFiltersExceptionFromFirstFilterSecondFilterHandlesEx.

@SuppressWarnings("unchecked")
@Test
public void testOnSuccessWithFiltersExceptionFromFirstFilterSecondFilterHandlesEx() throws Exception {
    // App stuff.
    final RecordTemplate entityFromApp = Foo.createFoo("Key", "One");
    RequestExecutionReport executionReport = new RequestExecutionReportBuilder().build();
    RestLiResponseAttachments responseAttachments = new RestLiResponseAttachments.Builder().build();
    RestLiResponseDataImpl appResponseData = new RestLiResponseDataImpl(HttpStatus.S_200_OK, Collections.<String, String>emptyMap(), Collections.<HttpCookie>emptyList());
    appResponseData.setResponseEnvelope(new CreateResponseEnvelope(entityFromApp, appResponseData));
    // Filter stuff.
    final Map<String, String> errorHeaders = buildErrorHeaders();
    ArgumentCaptor<RestLiServiceException> exFromFilterCapture = ArgumentCaptor.forClass(RestLiServiceException.class);
    final Map<String, String> headersFromFilter = Maps.newHashMap();
    headersFromFilter.put("Key", "Error from filter");
    final RestLiServiceException exceptionFromFilter = new RestLiServiceException(HttpStatus.S_500_INTERNAL_SERVER_ERROR);
    RestLiResponseDataImpl responseErrorData = new RestLiResponseDataImpl(exceptionFromFilter, headersFromFilter, Collections.<HttpCookie>emptyList());
    responseErrorData.setResponseEnvelope(new CreateResponseEnvelope(new EmptyRecord(), responseErrorData));
    final RecordTemplate entityFromFilter = Foo.createFoo("Key", "Two");
    PartialRestResponse partialFilterErrorResponse = new PartialRestResponse.Builder().build();
    final Exception exFromFilter = new RuntimeException("Exception From Filter");
    // Common stuff.
    RestResponse restResponse = new RestResponseBuilder().build();
    // Setup.
    when(_requestExecutionReportBuilder.build()).thenReturn(executionReport);
    when(_responseHandler.buildRestLiResponseData(_restRequest, _routingResult, entityFromApp)).thenReturn(appResponseData);
    when(_restRequest.getHeaders()).thenReturn(null);
    when(_responseHandler.buildPartialResponse(_routingResult, appResponseData)).thenReturn(partialFilterErrorResponse);
    when(_responseHandler.buildResponse(eq(_routingResult), any(PartialRestResponse.class))).thenReturn(restResponse);
    // Mock filter behavior.
    doThrow(exFromFilter).when(_filter).onResponse(eq(_filterRequestContext), any(FilterResponseContext.class));
    doAnswer(new Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            Throwable t = (Throwable) args[0];
            FilterRequestContext requestContext = (FilterRequestContext) args[1];
            FilterResponseContext responseContext = (FilterResponseContext) args[2];
            // The second filter should be invoked with details of the exception thrown by the first
            // filter.
            assertEquals(responseContext.getResponseData().getStatus(), HttpStatus.S_500_INTERNAL_SERVER_ERROR);
            assertNull(responseContext.getResponseData().getRecordResponseEnvelope().getRecord());
            assertEquals(responseContext.getResponseData().getHeaders(), errorHeaders);
            assertEquals(responseContext.getResponseData().getServiceException().getStatus(), HttpStatus.S_500_INTERNAL_SERVER_ERROR);
            // Modify data.
            setStatus(responseContext, HttpStatus.S_402_PAYMENT_REQUIRED);
            // The second filter handles the exception thrown by the first filter (i.e.) sets an entity
            // response in the response data.
            responseContext.getResponseData().getRecordResponseEnvelope().setRecord(entityFromFilter, HttpStatus.S_402_PAYMENT_REQUIRED);
            responseContext.getResponseData().getHeaders().put("error-fixed", "second-filter");
            return CompletableFuture.completedFuture(null);
        }
    }).when(_filter).onError(any(Throwable.class), eq(_filterRequestContext), any(FilterResponseContext.class));
    // invoke request filters so cursor is in correct place
    when(_filter.onRequest(any(FilterRequestContext.class))).thenReturn(CompletableFuture.completedFuture(null));
    _twoFilterChain.onRequest(_filterRequestContext, _filterResponseContextFactory);
    // Invoke.
    _twoFilterRestLiCallback.onSuccess(entityFromApp, executionReport, responseAttachments);
    // Verify.
    verify(_responseHandler).buildRestLiResponseData(_restRequest, _routingResult, entityFromApp);
    verify(_responseHandler).buildPartialResponse(_routingResult, appResponseData);
    verify(_responseHandler).buildResponse(eq(_routingResult), any(PartialRestResponse.class));
    verify(_callback).onSuccess(restResponse, executionReport, responseAttachments);
    Map<String, String> expectedHeaders = Maps.newHashMap();
    expectedHeaders.put("X-RestLi-Protocol-Version", "1.0.0");
    expectedHeaders.put("error-fixed", "second-filter");
    verifyZeroInteractions(_routingResult);
    verifyNoMoreInteractions(_responseHandler, _callback);
    assertFalse(appResponseData.isErrorResponse());
    assertEquals(appResponseData.getRecordResponseEnvelope().getRecord(), entityFromFilter);
    assertNotNull(appResponseData);
    assertEquals(HttpStatus.S_402_PAYMENT_REQUIRED, appResponseData.getStatus());
    assertEquals(appResponseData.getHeaders(), expectedHeaders);
    assertNull(appResponseData.getServiceException());
}

Example 69 with RequestContext

use of com.linkedin.r2.message.RequestContext in project rest.li by linkedin.

the class TestRestLiCallback method testOnSuccessWithFiltersExceptionFromSecondFilter.

@SuppressWarnings("unchecked")
@Test
public void testOnSuccessWithFiltersExceptionFromSecondFilter() throws Exception {
    // App stuff.
    String result = "foo";
    RequestExecutionReport executionReport = new RequestExecutionReportBuilder().build();
    RestLiResponseAttachments responseAttachments = new RestLiResponseAttachments.Builder().build();
    RestLiResponseDataImpl appResponseData = new RestLiResponseDataImpl(HttpStatus.S_200_OK, Collections.<String, String>emptyMap(), Collections.<HttpCookie>emptyList());
    appResponseData.setResponseEnvelope(new GetResponseEnvelope(null, appResponseData));
    // Filter stuff.
    ArgumentCaptor<RestLiServiceException> exFromFilterCapture = ArgumentCaptor.forClass(RestLiServiceException.class);
    final Map<String, String> headersFromFilter = Maps.newHashMap();
    headersFromFilter.put("Key", "Error from filter");
    RestLiServiceException exception = new RestLiServiceException(HttpStatus.S_500_INTERNAL_SERVER_ERROR);
    RestLiResponseDataImpl filterResponseData = new RestLiResponseDataImpl(exception, headersFromFilter, Collections.<HttpCookie>emptyList());
    filterResponseData.setResponseEnvelope(new GetResponseEnvelope(null, filterResponseData));
    PartialRestResponse partialFilterErrorResponse = new PartialRestResponse.Builder().build();
    final Exception exFromFilter = new RuntimeException("Exception From Filter");
    // Common stuff.
    RestException finalRestException = new RestException(new RestResponseBuilder().build());
    // Setup.
    when(_requestExecutionReportBuilder.build()).thenReturn(executionReport);
    when(_responseHandler.buildRestLiResponseData(_restRequest, _routingResult, result)).thenReturn(appResponseData);
    when(_restRequest.getHeaders()).thenReturn(null);
    when(_responseHandler.buildExceptionResponseData(eq(_restRequest), eq(_routingResult), exFromFilterCapture.capture(), anyMap(), anyList())).thenReturn(filterResponseData);
    when(_responseHandler.buildPartialResponse(_routingResult, appResponseData)).thenReturn(partialFilterErrorResponse);
    when(_responseHandler.buildRestException(any(RestLiServiceException.class), any(PartialRestResponse.class))).thenReturn(finalRestException);
    // Mock filter behavior.
    doAnswer(new Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            FilterRequestContext requestContext = (FilterRequestContext) args[0];
            FilterResponseContext responseContext = (FilterResponseContext) args[1];
            // The second filter should be invoked with details of the exception thrown by the first
            // filter. Verify incoming data.
            assertEquals(responseContext.getResponseData().getStatus(), HttpStatus.S_200_OK);
            assertNull(responseContext.getResponseData().getRecordResponseEnvelope().getRecord());
            assertTrue(responseContext.getResponseData().getHeaders().isEmpty());
            // Modify data.
            setStatus(responseContext, HttpStatus.S_402_PAYMENT_REQUIRED);
            responseContext.getResponseData().getHeaders().put("first-filter", "success");
            return CompletableFuture.completedFuture(null);
        }
    }).doThrow(exFromFilter).when(_filter).onResponse(eq(_filterRequestContext), any(FilterResponseContext.class));
    // invoke request filters so cursor is in correct place
    when(_filter.onRequest(any(FilterRequestContext.class))).thenReturn(CompletableFuture.completedFuture(null));
    _twoFilterChain.onRequest(_filterRequestContext, _filterResponseContextFactory);
    // Invoke.
    _twoFilterRestLiCallback.onSuccess(result, executionReport, responseAttachments);
    // Verify.
    verify(_responseHandler).buildPartialResponse(_routingResult, appResponseData);
    verify(_responseHandler).buildRestLiResponseData(_restRequest, _routingResult, result);
    verify(_responseHandler).buildPartialResponse(_routingResult, appResponseData);
    verify(_responseHandler).buildRestException(exFromFilterCapture.capture(), any(PartialRestResponse.class));
    verify(_callback).onError(finalRestException, executionReport, _requestAttachmentReader, responseAttachments);
    verifyZeroInteractions(_routingResult);
    verifyNoMoreInteractions(_responseHandler, _callback);
    final RestLiServiceException restliEx1 = exFromFilterCapture.getAllValues().get(0);
    assertNotNull(restliEx1);
    assertEquals(HttpStatus.S_500_INTERNAL_SERVER_ERROR, restliEx1.getStatus());
    assertEquals(exFromFilter.getMessage(), restliEx1.getMessage());
    assertEquals(exFromFilter, restliEx1.getCause());
    Map<String, String> expectedHeaders = buildErrorHeaders();
    expectedHeaders.put("first-filter", "success");
    assertNotNull(appResponseData);
    assertEquals(HttpStatus.S_500_INTERNAL_SERVER_ERROR, appResponseData.getStatus());
    assertEquals(appResponseData.getHeaders(), expectedHeaders);
    assertNull(appResponseData.getRecordResponseEnvelope().getRecord());
}

Example 70 with RequestContext

use of com.linkedin.r2.message.RequestContext in project rest.li by linkedin.

the class TestRestLiCallback method testOnSuccessWithFiltersExceptionFromFirstFilterSecondFilterDoesNotHandleEx.

@SuppressWarnings("unchecked")
@Test
public void testOnSuccessWithFiltersExceptionFromFirstFilterSecondFilterDoesNotHandleEx() throws Exception {
    // App stuff.
    final RecordTemplate entityFromApp = Foo.createFoo("Key", "Two");
    RequestExecutionReport executionReport = new RequestExecutionReportBuilder().build();
    RestLiResponseAttachments responseAttachments = new RestLiResponseAttachments.Builder().build();
    RestLiResponseDataImpl appResponseData = new RestLiResponseDataImpl(HttpStatus.S_200_OK, Collections.<String, String>emptyMap(), Collections.<HttpCookie>emptyList());
    appResponseData.setResponseEnvelope(new CreateResponseEnvelope(entityFromApp, appResponseData));
    // Filter stuff.
    ArgumentCaptor<RestLiServiceException> exFromFilterCapture = ArgumentCaptor.forClass(RestLiServiceException.class);
    final Map<String, String> headersFromFilter = Maps.newHashMap();
    headersFromFilter.put("Key", "Error from filter");
    RestLiServiceException exceptionFromFilter = new RestLiServiceException(HttpStatus.S_500_INTERNAL_SERVER_ERROR);
    RestLiResponseDataImpl responseErrorData = new RestLiResponseDataImpl(exceptionFromFilter, headersFromFilter, Collections.<HttpCookie>emptyList());
    responseErrorData.setResponseEnvelope(new CreateResponseEnvelope(new EmptyRecord(), responseErrorData));
    PartialRestResponse partialFilterErrorResponse = new PartialRestResponse.Builder().build();
    final Exception exFromFilter = new RuntimeException("Exception From Filter");
    Map<String, String> errorHeaders = buildErrorHeaders();
    // Common stuff.
    RestException finalRestException = new RestException(new RestResponseBuilder().build());
    // Setup.
    when(_requestExecutionReportBuilder.build()).thenReturn(executionReport);
    when(_responseHandler.buildRestLiResponseData(_restRequest, _routingResult, entityFromApp)).thenReturn(appResponseData);
    when(_restRequest.getHeaders()).thenReturn(null);
    when(_responseHandler.buildExceptionResponseData(eq(_restRequest), eq(_routingResult), exFromFilterCapture.capture(), anyMap(), anyList())).thenReturn(responseErrorData);
    when(_responseHandler.buildPartialResponse(_routingResult, responseErrorData)).thenReturn(partialFilterErrorResponse);
    when(_responseHandler.buildRestException(any(RestLiServiceException.class), any(PartialRestResponse.class))).thenReturn(finalRestException);
    // Mock filter behavior.
    doThrow(exFromFilter).when(_filter).onResponse(eq(_filterRequestContext), any(FilterResponseContext.class));
    doAnswer(new Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            Throwable t = (Throwable) args[0];
            FilterRequestContext requestContext = (FilterRequestContext) args[1];
            FilterResponseContext responseContext = (FilterResponseContext) args[2];
            // The second filter should be invoked with details of the exception thrown by the first
            // filter.
            assertEquals(responseContext.getResponseData().getStatus(), HttpStatus.S_500_INTERNAL_SERVER_ERROR);
            assertNull(responseContext.getResponseData().getRecordResponseEnvelope().getRecord());
            assertEquals(responseContext.getResponseData().getHeaders(), errorHeaders);
            assertEquals(responseContext.getResponseData().getServiceException().getStatus(), HttpStatus.S_500_INTERNAL_SERVER_ERROR);
            // Modify data.
            setStatus(responseContext, HttpStatus.S_402_PAYMENT_REQUIRED);
            return completedFutureWithError(responseContext.getResponseData().getServiceException());
        }
    }).when(_filter).onError(any(Throwable.class), eq(_filterRequestContext), any(FilterResponseContext.class));
    // invoke request filters so cursor is in correct place
    when(_filter.onRequest(any(FilterRequestContext.class))).thenReturn(CompletableFuture.completedFuture(null));
    _twoFilterChain.onRequest(_filterRequestContext, _filterResponseContextFactory);
    // Invoke.
    _twoFilterRestLiCallback.onSuccess(entityFromApp, executionReport, responseAttachments);
    // Verify.
    verify(_responseHandler).buildRestLiResponseData(_restRequest, _routingResult, entityFromApp);
    verify(_responseHandler).buildPartialResponse(_routingResult, appResponseData);
    verify(_responseHandler).buildRestException(exFromFilterCapture.capture(), any(PartialRestResponse.class));
    verify(_callback).onError(finalRestException, executionReport, _requestAttachmentReader, responseAttachments);
    verifyZeroInteractions(_routingResult);
    verifyNoMoreInteractions(_responseHandler, _callback);
    final RestLiServiceException restliEx1 = exFromFilterCapture.getAllValues().get(0);
    assertNotNull(restliEx1);
    assertEquals(HttpStatus.S_402_PAYMENT_REQUIRED, restliEx1.getStatus());
    // exceptions should not be equal because in new logic we are replacing the exception with new one
    assertNotEquals(exFromFilter.getMessage(), restliEx1.getMessage());
    assertNotEquals(exFromFilter, restliEx1.getCause());
    assertNotNull(appResponseData);
    assertEquals(HttpStatus.S_402_PAYMENT_REQUIRED, appResponseData.getStatus());
    assertEquals(appResponseData.getHeaders(), errorHeaders);
    assertNull(appResponseData.getRecordResponseEnvelope().getRecord());
}