Examples with Index io.mantisrx.runtime.source.Index used on opensource projects

Example 21 with Index

use of io.mantisrx.runtime.source.Index in project mantis by Netflix.

the class HttpSourceImplTest method testResumeOnTimeout.

@Test
public void testResumeOnTimeout() throws Exception {
    HttpClientFactory<ByteBuf, ByteBuf> factory = new HttpClientFactory<ByteBuf, ByteBuf>() {

        @Override
        public HttpClient<ByteBuf, ByteBuf> createClient(ServerInfo server) {
            ClientConfig clientConfig = new ClientConfig.Builder().readTimeout(10, TimeUnit.MILLISECONDS).build();
            return new HttpClientBuilder<ByteBuf, ByteBuf>(server.getHost(), server.getPort()).config(clientConfig).build();
        }
    };
    final ConcurrentMap<ServerInfo, AtomicInteger> resumptions = new ConcurrentHashMap<>();
    for (ServerInfo server : localServerProvider.getServerInfos()) {
        resumptions.put(server, new AtomicInteger());
    }
    final int maxRepeat = 5;
    HttpSourceImpl<ByteBuf, ByteBuf, ServerContext<ByteBuf>> source = HttpSourceImpl.builder(factory, HttpRequestFactories.createGetFactory("test/timeout?timeout=10000"), HttpSourceImpl.<ByteBuf>contextWrapper()).withActivityObserver(sourceObserver).resumeWith(new ClientResumePolicy<ByteBuf, ByteBuf>() {

        @Override
        public Observable<HttpClientResponse<ByteBuf>> onError(ServerClientContext<ByteBuf, ByteBuf> clientContext, int attempts, Throwable error) {
            if (attempts <= maxRepeat) {
                resumptions.get(clientContext.getServer()).incrementAndGet();
                return clientContext.newResponse();
            }
            return null;
        }

        @Override
        public Observable<HttpClientResponse<ByteBuf>> onCompleted(ServerClientContext<ByteBuf, ByteBuf> clientContext, int attempts) {
            return null;
        }
    }).withServerProvider(localServerProvider).build();
    final CountDownLatch latch = new CountDownLatch(1);
    final AtomicReference<Throwable> ex = new AtomicReference<>();
    final AtomicReference<ServerContext<ByteBuf>> items = new AtomicReference<>();
    Observable.merge(source.call(new Context(), new Index(1, 1))).subscribe(new Subscriber<ServerContext<ByteBuf>>() {

        @Override
        public void onCompleted() {
            latch.countDown();
        }

        @Override
        public void onError(Throwable e) {
            ex.set(e);
            latch.countDown();
        }

        @Override
        public void onNext(ServerContext<ByteBuf> pair) {
            items.set(pair);
        }
    });
    if (!latch.await(10, TimeUnit.SECONDS)) {
        fail("The test case should finish way sooner than 10 seconds. ");
    }
    Assert.assertNull("The timeout error should be captured by the client so it does not surface to the source", ex.get());
    Assert.assertNull("There should be no emitted item due to connection timeout", items.get());
    for (ServerInfo serverInfo : localServerProvider.getServerInfos()) {
        assertEquals("There should be no source level error", 0, sourceObserver.getErrorCount());
        assertEquals("There should be one connection attempt per server per retry", maxRepeat + 1, sourceObserver.getCount(serverInfo, EventType.CONNECTION_ATTEMPTED));
        assertEquals("There should be no established connection per server due to read timeout. ", 0, sourceObserver.getCount(serverInfo, EventType.CONNECTION_ESTABLISHED));
        assertEquals("There should no subscribed server because of read timeout", 0, sourceObserver.getCount(serverInfo, EventType.SUBSCRIPTION_ESTABLISHED));
        assertEquals("Each server will repeat exactly " + maxRepeat + " times", maxRepeat, resumptions.get(serverInfo).get());
    }
}