| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| package org.apache.hc.core5.testing.reactive; |
| |
| import static java.lang.String.format; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.net.InetSocketAddress; |
| import java.net.SocketTimeoutException; |
| import java.net.URI; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.Channels; |
| import java.nio.channels.WritableByteChannel; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Random; |
| import java.util.concurrent.CancellationException; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import org.apache.hc.core5.http.HttpResponse; |
| import org.apache.hc.core5.http.HttpStreamResetException; |
| import org.apache.hc.core5.http.Message; |
| import org.apache.hc.core5.http.Method; |
| import org.apache.hc.core5.http.URIScheme; |
| import org.apache.hc.core5.http.impl.bootstrap.HttpAsyncRequester; |
| import org.apache.hc.core5.http.impl.bootstrap.HttpAsyncServer; |
| import org.apache.hc.core5.http.nio.support.BasicRequestProducer; |
| import org.apache.hc.core5.http2.HttpVersionPolicy; |
| import org.apache.hc.core5.http2.impl.nio.bootstrap.H2RequesterBootstrap; |
| import org.apache.hc.core5.http2.impl.nio.bootstrap.H2ServerBootstrap; |
| import org.apache.hc.core5.io.CloseMode; |
| import org.apache.hc.core5.reactive.ReactiveEntityProducer; |
| import org.apache.hc.core5.reactive.ReactiveResponseConsumer; |
| import org.apache.hc.core5.reactive.ReactiveServerExchangeHandler; |
| import org.apache.hc.core5.reactor.IOReactorConfig; |
| import org.apache.hc.core5.reactor.ListenerEndpoint; |
| import org.apache.hc.core5.testing.classic.LoggingConnPoolListener; |
| import org.apache.hc.core5.testing.nio.LoggingExceptionCallback; |
| import org.apache.hc.core5.testing.nio.LoggingH2StreamListener; |
| import org.apache.hc.core5.testing.nio.LoggingHttp1StreamListener; |
| import org.apache.hc.core5.testing.nio.LoggingIOSessionDecorator; |
| import org.apache.hc.core5.testing.nio.LoggingIOSessionListener; |
| import org.apache.hc.core5.testing.reactive.ReactiveTestUtils.StreamDescription; |
| import org.apache.hc.core5.util.TextUtils; |
| import org.apache.hc.core5.util.Timeout; |
| import org.junit.Assert; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExternalResource; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.reactivestreams.Publisher; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import io.reactivex.Flowable; |
| import io.reactivex.Observable; |
| |
| @RunWith(Parameterized.class) |
| public class ReactiveClientTest { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static Collection<Object[]> protocols() { |
| return Arrays.asList(new Object[][]{ |
| { HttpVersionPolicy.FORCE_HTTP_1 }, |
| { HttpVersionPolicy.FORCE_HTTP_2 } |
| }); |
| } |
| private static final Timeout SOCKET_TIMEOUT = Timeout.ofSeconds(30); |
| private static final Timeout RESULT_TIMEOUT = Timeout.ofSeconds(60); |
| |
| private static final Random RANDOM = new Random(); |
| |
| private final HttpVersionPolicy versionPolicy; |
| |
| public ReactiveClientTest(final HttpVersionPolicy httpVersionPolicy) { |
| this.versionPolicy = httpVersionPolicy; |
| } |
| |
| private HttpAsyncServer server; |
| |
| @Rule |
| public ExternalResource serverResource = new ExternalResource() { |
| |
| @Override |
| protected void before() throws Throwable { |
| log.debug("Starting up test server"); |
| server = H2ServerBootstrap.bootstrap() |
| .setVersionPolicy(versionPolicy) |
| .setIOReactorConfig( |
| IOReactorConfig.custom() |
| .setSoTimeout(SOCKET_TIMEOUT) |
| .build()) |
| .setStreamListener(LoggingHttp1StreamListener.INSTANCE_SERVER) |
| .setStreamListener(LoggingH2StreamListener.INSTANCE) |
| .setIOSessionDecorator(LoggingIOSessionDecorator.INSTANCE) |
| .setExceptionCallback(LoggingExceptionCallback.INSTANCE) |
| .setIOSessionListener(LoggingIOSessionListener.INSTANCE) |
| .register("*", () -> new ReactiveServerExchangeHandler(new ReactiveEchoProcessor())) |
| .create(); |
| } |
| |
| @Override |
| protected void after() { |
| log.debug("Shutting down test server"); |
| if (server != null) { |
| server.close(CloseMode.GRACEFUL); |
| } |
| } |
| |
| }; |
| |
| private HttpAsyncRequester requester; |
| |
| @Rule |
| public ExternalResource clientResource = new ExternalResource() { |
| |
| @Override |
| protected void before() throws Throwable { |
| log.debug("Starting up test client"); |
| requester = H2RequesterBootstrap.bootstrap() |
| .setVersionPolicy(versionPolicy) |
| .setIOReactorConfig(IOReactorConfig.custom() |
| .setSoTimeout(SOCKET_TIMEOUT) |
| .build()) |
| .setStreamListener(LoggingHttp1StreamListener.INSTANCE_CLIENT) |
| .setStreamListener(LoggingH2StreamListener.INSTANCE) |
| .setConnPoolListener(LoggingConnPoolListener.INSTANCE) |
| .setIOSessionDecorator(LoggingIOSessionDecorator.INSTANCE) |
| .setExceptionCallback(LoggingExceptionCallback.INSTANCE) |
| .setIOSessionListener(LoggingIOSessionListener.INSTANCE) |
| .create(); |
| } |
| |
| @Override |
| protected void after() { |
| log.debug("Shutting down test client"); |
| if (requester != null) { |
| requester.close(CloseMode.GRACEFUL); |
| } |
| } |
| |
| }; |
| |
| @Test |
| public void testSimpleRequest() throws Exception { |
| final InetSocketAddress address = startClientAndServer(); |
| final byte[] input = new byte[1024]; |
| RANDOM.nextBytes(input); |
| final Publisher<ByteBuffer> publisher = Flowable.just(ByteBuffer.wrap(input)); |
| final ReactiveEntityProducer producer = new ReactiveEntityProducer(publisher, input.length, null, null); |
| |
| final BasicRequestProducer request = getRequestProducer(address, producer); |
| |
| final ReactiveResponseConsumer consumer = new ReactiveResponseConsumer(); |
| requester.execute(request, consumer, SOCKET_TIMEOUT, null); |
| |
| final Message<HttpResponse, Publisher<ByteBuffer>> response = consumer.getResponseFuture() |
| .get(RESULT_TIMEOUT.getDuration(), RESULT_TIMEOUT.getTimeUnit()); |
| |
| final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); |
| final WritableByteChannel writableByteChannel = Channels.newChannel(byteArrayOutputStream); |
| for (final ByteBuffer byteBuffer : Observable.fromPublisher(response.getBody()).toList().blockingGet()) { |
| writableByteChannel.write(byteBuffer); |
| } |
| writableByteChannel.close(); |
| final byte[] output = byteArrayOutputStream.toByteArray(); |
| Assert.assertArrayEquals(input, output); |
| } |
| |
| private BasicRequestProducer getRequestProducer(final InetSocketAddress address, final ReactiveEntityProducer producer) { |
| return new BasicRequestProducer(Method.POST, URI.create("http://localhost:" + address.getPort()), producer); |
| } |
| |
| @Test |
| public void testLongRunningRequest() throws Exception { |
| final InetSocketAddress address = startClientAndServer(); |
| final long expectedLength = 6_554_200L; |
| final AtomicReference<String> expectedHash = new AtomicReference<>(null); |
| final Flowable<ByteBuffer> stream = ReactiveTestUtils.produceStream(expectedLength, expectedHash); |
| final ReactiveEntityProducer producer = new ReactiveEntityProducer(stream, -1, null, null); |
| final BasicRequestProducer request = getRequestProducer(address, producer); |
| |
| final ReactiveResponseConsumer consumer = new ReactiveResponseConsumer(); |
| requester.execute(request, consumer, SOCKET_TIMEOUT, null); |
| final Message<HttpResponse, Publisher<ByteBuffer>> response = consumer.getResponseFuture() |
| .get(RESULT_TIMEOUT.getDuration(), RESULT_TIMEOUT.getTimeUnit()); |
| final StreamDescription desc = ReactiveTestUtils.consumeStream(response.getBody()).blockingGet(); |
| |
| Assert.assertEquals(expectedLength, desc.length); |
| Assert.assertEquals(expectedHash.get(), TextUtils.toHexString(desc.md.digest())); |
| } |
| |
| @Test |
| public void testManySmallBuffers() throws Exception { |
| // This test is not flaky. If it starts randomly failing, then there is a problem with how |
| // ReactiveDataConsumer signals capacity with its capacity channel. The situations in which |
| // this kind of bug manifests depend on the ordering of several events on different threads |
| // so it's unlikely to consistently occur. |
| final InetSocketAddress address = startClientAndServer(); |
| for (int i = 0; i < 10; i++) { |
| final long expectedLength = 1_024_000; |
| final int maximumBlockSize = 1024; |
| final AtomicReference<String> expectedHash = new AtomicReference<>(null); |
| final Publisher<ByteBuffer> stream = ReactiveTestUtils.produceStream(expectedLength, maximumBlockSize, expectedHash); |
| final ReactiveEntityProducer producer = new ReactiveEntityProducer(stream, -1, null, null); |
| final BasicRequestProducer request = getRequestProducer(address, producer); |
| |
| final ReactiveResponseConsumer consumer = new ReactiveResponseConsumer(); |
| requester.execute(request, consumer, SOCKET_TIMEOUT, null); |
| final Message<HttpResponse, Publisher<ByteBuffer>> response = consumer.getResponseFuture() |
| .get(RESULT_TIMEOUT.getDuration(), RESULT_TIMEOUT.getTimeUnit()); |
| final StreamDescription desc = ReactiveTestUtils.consumeStream(response.getBody()).blockingGet(); |
| |
| Assert.assertEquals(expectedLength, desc.length); |
| Assert.assertEquals(expectedHash.get(), TextUtils.toHexString(desc.md.digest())); |
| } |
| } |
| |
| @Test |
| public void testRequestError() throws Exception { |
| final InetSocketAddress address = startClientAndServer(); |
| final RuntimeException exceptionThrown = new RuntimeException("Test"); |
| final Publisher<ByteBuffer> publisher = Flowable.error(exceptionThrown); |
| final ReactiveEntityProducer producer = new ReactiveEntityProducer(publisher, 100, null, null); |
| |
| final BasicRequestProducer request = getRequestProducer(address, producer); |
| |
| final ReactiveResponseConsumer consumer = new ReactiveResponseConsumer(); |
| |
| final Future<Void> future = requester.execute(request, consumer, SOCKET_TIMEOUT, null); |
| |
| try { |
| future.get(RESULT_TIMEOUT.getDuration(), RESULT_TIMEOUT.getTimeUnit()); |
| Assert.fail("Expected exception"); |
| } catch (final ExecutionException ex) { |
| Assert.assertTrue(ex.getCause() instanceof HttpStreamResetException); |
| Assert.assertSame(exceptionThrown, ex.getCause().getCause()); |
| } |
| } |
| |
| @Test |
| public void testRequestTimeout() throws Exception { |
| final InetSocketAddress address = startClientAndServer(); |
| final AtomicBoolean requestPublisherWasCancelled = new AtomicBoolean(false); |
| final Publisher<ByteBuffer> publisher = Flowable.<ByteBuffer>never() |
| .doOnCancel(() -> requestPublisherWasCancelled.set(true)); |
| final ReactiveEntityProducer producer = new ReactiveEntityProducer(publisher, -1, null, null); |
| final BasicRequestProducer request = getRequestProducer(address, producer); |
| |
| final ReactiveResponseConsumer consumer = new ReactiveResponseConsumer(); |
| final Future<Void> future = requester.execute(request, consumer, Timeout.ofSeconds(1), null); |
| |
| try { |
| future.get(RESULT_TIMEOUT.getDuration(), RESULT_TIMEOUT.getTimeUnit()); |
| } catch (final ExecutionException ex) { |
| Assert.assertTrue(requestPublisherWasCancelled.get()); |
| final Throwable cause = ex.getCause(); |
| if (versionPolicy == HttpVersionPolicy.FORCE_HTTP_1) { |
| Assert.assertTrue("Expected SocketTimeoutException, but got " + cause.getClass().getName(), |
| cause instanceof SocketTimeoutException); |
| } else if (versionPolicy == HttpVersionPolicy.FORCE_HTTP_2) { |
| Assert.assertTrue(format("Expected RST_STREAM, but %s was thrown", cause.getClass().getName()), |
| cause instanceof HttpStreamResetException); |
| } else { |
| Assert.fail("Unknown HttpVersionPolicy: " + versionPolicy); |
| } |
| } |
| } |
| |
| @Test |
| public void testResponseCancellation() throws Exception { |
| final InetSocketAddress address = startClientAndServer(); |
| final AtomicBoolean requestPublisherWasCancelled = new AtomicBoolean(false); |
| final AtomicReference<Throwable> requestStreamError = new AtomicReference<>(); |
| final Publisher<ByteBuffer> stream = ReactiveTestUtils.produceStream(Long.MAX_VALUE, 1024, null) |
| .doOnCancel(() -> requestPublisherWasCancelled.set(true)) |
| .doOnError(requestStreamError::set); |
| final ReactiveEntityProducer producer = new ReactiveEntityProducer(stream, -1, null, null); |
| final BasicRequestProducer request = getRequestProducer(address, producer); |
| |
| final ReactiveResponseConsumer consumer = new ReactiveResponseConsumer(); |
| final Future<Void> future = requester.execute(request, consumer, SOCKET_TIMEOUT, null); |
| final Message<HttpResponse, Publisher<ByteBuffer>> response = consumer.getResponseFuture() |
| .get(RESULT_TIMEOUT.getDuration(), RESULT_TIMEOUT.getTimeUnit()); |
| |
| final AtomicBoolean responsePublisherWasCancelled = new AtomicBoolean(false); |
| final List<ByteBuffer> outputBuffers = Flowable.fromPublisher(response.getBody()) |
| .doOnCancel(() -> responsePublisherWasCancelled.set(true)) |
| .take(3) |
| .toList() |
| .blockingGet(); |
| Assert.assertEquals(3, outputBuffers.size()); |
| Assert.assertTrue("The response subscription should have been cancelled", responsePublisherWasCancelled.get()); |
| try { |
| future.get(RESULT_TIMEOUT.getDuration(), RESULT_TIMEOUT.getTimeUnit()); |
| Assert.fail("Expected exception"); |
| } catch (final ExecutionException | CancellationException ex) { |
| Assert.assertTrue(ex.getCause() instanceof HttpStreamResetException); |
| Assert.assertTrue(requestPublisherWasCancelled.get()); |
| Assert.assertNull(requestStreamError.get()); |
| } |
| } |
| |
| private InetSocketAddress startClientAndServer() throws InterruptedException, ExecutionException { |
| server.start(); |
| final ListenerEndpoint listener = server.listen(new InetSocketAddress(0), URIScheme.HTTP).get(); |
| final InetSocketAddress address = (InetSocketAddress) listener.getAddress(); |
| requester.start(); |
| return address; |
| } |
| } |