Examples with NextFilter com.linkedin.r2.filter.NextFilter used on opensource projects

Example 26 with NextFilter

use of com.linkedin.r2.filter.NextFilter in project rest.li by linkedin.

the class TestDisruptFilter method testRestLatencyDisrupt.

@Test
public void testRestLatencyDisrupt() throws Exception {
    final RequestContext requestContext = new RequestContext();
    requestContext.putLocalAttr(DISRUPT_CONTEXT_KEY, DisruptContexts.delay(REQUEST_LATENCY));
    final DisruptFilter filter = new DisruptFilter(_scheduler, _executor, REQUEST_TIMEOUT);
    final CountDownLatch latch = new CountDownLatch(1);
    final AtomicBoolean success = new AtomicBoolean(false);
    final NextFilter<RestRequest, RestResponse> next = new NextFilter<RestRequest, RestResponse>() {

        @Override
        public void onRequest(RestRequest restRequest, RequestContext requestContext, Map<String, String> wireAttrs) {
            success.set(true);
            latch.countDown();
        }

        @Override
        public void onResponse(RestResponse restResponse, RequestContext requestContext, Map<String, String> wireAttrs) {
            latch.countDown();
        }

        @Override
        public void onError(Throwable ex, RequestContext requestContext, Map<String, String> wireAttrs) {
            latch.countDown();
        }
    };
    filter.onRestRequest(new RestRequestBuilder(new URI(URI)).build(), requestContext, Collections.emptyMap(), next);
    Assert.assertTrue(latch.await(TEST_TIMEOUT, TimeUnit.MILLISECONDS), "Missing NextFilter invocation");
    Assert.assertTrue(success.get(), "Unexpected method invocation");
}

Example 27 with NextFilter

use of com.linkedin.r2.filter.NextFilter in project rest.li by linkedin.

the class TestDisruptFilter method testStreamTimeoutDisrupt.

@Test
public void testStreamTimeoutDisrupt() throws Exception {
    final RequestContext requestContext = new RequestContext();
    requestContext.putLocalAttr(DISRUPT_CONTEXT_KEY, DisruptContexts.timeout());
    final DisruptFilter filter = new DisruptFilter(_scheduler, _executor, REQUEST_TIMEOUT);
    final CountDownLatch latch = new CountDownLatch(1);
    final AtomicBoolean success = new AtomicBoolean(false);
    final NextFilter<StreamRequest, StreamResponse> next = new NextFilter<StreamRequest, StreamResponse>() {

        @Override
        public void onRequest(StreamRequest restRequest, RequestContext requestContext, Map<String, String> wireAttrs) {
            latch.countDown();
        }

        @Override
        public void onResponse(StreamResponse restResponse, RequestContext requestContext, Map<String, String> wireAttrs) {
            latch.countDown();
        }

        @Override
        public void onError(Throwable ex, RequestContext requestContext, Map<String, String> wireAttrs) {
            success.set(ex instanceof TimeoutException);
            latch.countDown();
        }
    };
    filter.onStreamRequest(new StreamRequestBuilder(new URI(URI)).build(EntityStreams.emptyStream()), requestContext, Collections.emptyMap(), next);
    Assert.assertTrue(latch.await(TEST_TIMEOUT, TimeUnit.MILLISECONDS), "Missing NextFilter invocation");
    Assert.assertTrue(success.get(), "Unexpected method invocation");
}

Example 28 with NextFilter

use of com.linkedin.r2.filter.NextFilter in project rest.li by linkedin.

the class TestServerRetryFilter method testNotRetriableException.

@Test
public void testNotRetriableException() {
    ServerRetryFilter retryFilter = new ServerRetryFilter();
    RestFilter captureFilter = new RestFilter() {

        @Override
        public void onRestError(Throwable ex, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
            Assert.assertNull(wireAttrs.get(R2Constants.RETRY_MESSAGE_ATTRIBUTE_KEY));
        }
    };
    FilterChain filterChain = FilterChains.createRestChain(captureFilter, retryFilter);
    FilterUtil.fireRestError(filterChain, new RuntimeException(new RuntimeException()), new HashMap<String, String>());
}

Example 29 with NextFilter

use of com.linkedin.r2.filter.NextFilter in project rest.li by linkedin.

the class TestStreamFilterAdapters method testResponseFilterAdapterChangeError.

@Test
public void testResponseFilterAdapterChangeError() {
    FilterChain fc = adaptAndCreateFilterChain(new RestFilter() {

        @Override
        public void onRestResponse(RestResponse res, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
        }

        @Override
        public void onRestError(Throwable ex, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
            if (ex instanceof RestException) {
                RestResponse res = ((RestException) ex).getResponse();
                String newEntityStr = res.getEntity().asString("UTF8").replace('1', '0');
                nextFilter.onError(new RestException((res.builder().setEntity(newEntityStr.getBytes()).build())), requestContext, wireAttrs);
            } else {
                nextFilter.onError(new IllegalStateException(), requestContext, wireAttrs);
            }
        }
    });
    fc.onStreamError(simpleStreamException("12345"), FilterUtil.emptyRequestContext(), FilterUtil.emptyWireAttrs());
    Throwable capturedEx = _beforeFilter.getThrowable();
    Assert.assertTrue(capturedEx instanceof StreamException);
    ((StreamException) capturedEx).getResponse().getEntityStream().setReader(new FullEntityReader(new Callback<ByteString>() {

        @Override
        public void onError(Throwable e) {
            Assert.fail("should not happen");
        }

        @Override
        public void onSuccess(ByteString result) {
            Assert.assertEquals(result.asString("UTF8"), "02345");
        }
    }));
    fc.onStreamError(new IllegalArgumentException(), FilterUtil.emptyRequestContext(), FilterUtil.emptyWireAttrs());
    capturedEx = _beforeFilter.getThrowable();
    Assert.assertTrue(capturedEx instanceof IllegalStateException);
}

Example 30 with NextFilter

use of com.linkedin.r2.filter.NextFilter in project rest.li by linkedin.

the class TestStreamFilterAdapters method testResponseFilterAdapterPassThrough.

@Test
public void testResponseFilterAdapterPassThrough() {
    FilterChain fc = adaptAndCreateFilterChain(new RestFilter() {

        @Override
        public void onRestResponse(RestResponse res, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
            nextFilter.onResponse(res, requestContext, wireAttrs);
        }

        @Override
        public void onRestError(Throwable ex, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
            nextFilter.onError(ex, requestContext, wireAttrs);
        }
    });
    fc.onStreamResponse(simpleStreamResponse("12345"), FilterUtil.emptyRequestContext(), FilterUtil.emptyWireAttrs());
    StreamResponse capturedResponse = _beforeFilter.getResponse();
    capturedResponse.getEntityStream().setReader(new FullEntityReader(new Callback<ByteString>() {

        @Override
        public void onError(Throwable e) {
            Assert.fail("should not happen");
        }

        @Override
        public void onSuccess(ByteString result) {
            Assert.assertEquals(result.asString("UTF8"), "12345");
        }
    }));
    fc.onStreamError(simpleStreamException("12345"), FilterUtil.emptyRequestContext(), FilterUtil.emptyWireAttrs());
    Throwable capturedEx = _beforeFilter.getThrowable();
    Assert.assertTrue(capturedEx instanceof StreamException);
    ((StreamException) capturedEx).getResponse().getEntityStream().setReader(new FullEntityReader(new Callback<ByteString>() {

        @Override
        public void onError(Throwable e) {
            Assert.fail("should not happen");
        }

        @Override
        public void onSuccess(ByteString result) {
            Assert.assertEquals(result.asString("UTF8"), "12345");
        }
    }));
}