--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/net/httpclient/ResponsePublisher.java Sat Mar 31 10:50:55 2018 +0100
@@ -0,0 +1,438 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary Tests an asynchronous BodySubscriber that completes
+ * immediately with a Publisher<List<ByteBuffer>>
+ * @library /lib/testlibrary http2/server
+ * @build jdk.testlibrary.SimpleSSLContext
+ * @modules java.base/sun.net.www.http
+ * java.net.http/jdk.internal.net.http.common
+ * java.net.http/jdk.internal.net.http.frame
+ * java.net.http/jdk.internal.net.http.hpack
+ * @run testng/othervm ResponsePublisher
+ */
+
+import com.sun.net.httpserver.HttpExchange;
+import com.sun.net.httpserver.HttpHandler;
+import com.sun.net.httpserver.HttpServer;
+import com.sun.net.httpserver.HttpsConfigurator;
+import com.sun.net.httpserver.HttpsServer;
+import jdk.testlibrary.SimpleSSLContext;
+import org.testng.annotations.AfterTest;
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+import javax.net.ssl.SSLContext;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpHeaders;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.net.http.HttpResponse.BodyHandler;
+import java.net.http.HttpResponse.BodySubscriber;
+import java.net.http.HttpResponse.BodySubscribers;
+import java.nio.ByteBuffer;
+import java.util.List;
+import java.util.Objects;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionStage;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Flow;
+import java.util.concurrent.Flow.Publisher;
+import java.util.concurrent.atomic.AtomicReference;
+
+import static java.lang.System.out;
+import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertNotNull;
+import static org.testng.Assert.assertTrue;
+
+public class ResponsePublisher {
+
+ SSLContext sslContext;
+ HttpServer httpTestServer; // HTTP/1.1 [ 4 servers ]
+ HttpsServer httpsTestServer; // HTTPS/1.1
+ Http2TestServer http2TestServer; // HTTP/2 ( h2c )
+ Http2TestServer https2TestServer; // HTTP/2 ( h2 )
+ String httpURI_fixed;
+ String httpURI_chunk;
+ String httpsURI_fixed;
+ String httpsURI_chunk;
+ String http2URI_fixed;
+ String http2URI_chunk;
+ String https2URI_fixed;
+ String https2URI_chunk;
+
+ static final int ITERATION_COUNT = 10;
+ // a shared executor helps reduce the amount of threads created by the test
+ static final Executor executor = Executors.newCachedThreadPool();
+
+ @DataProvider(name = "variants")
+ public Object[][] variants() {
+ return new Object[][]{
+ { httpURI_fixed, false },
+ { httpURI_chunk, false },
+ { httpsURI_fixed, false },
+ { httpsURI_chunk, false },
+ { http2URI_fixed, false },
+ { http2URI_chunk, false },
+ { https2URI_fixed, false,},
+ { https2URI_chunk, false },
+
+ { httpURI_fixed, true },
+ { httpURI_chunk, true },
+ { httpsURI_fixed, true },
+ { httpsURI_chunk, true },
+ { http2URI_fixed, true },
+ { http2URI_chunk, true },
+ { https2URI_fixed, true,},
+ { https2URI_chunk, true },
+ };
+ }
+
+ HttpClient newHttpClient() {
+ return HttpClient.newBuilder()
+ .executor(executor)
+ .sslContext(sslContext)
+ .build();
+ }
+
+ @Test(dataProvider = "variants")
+ public void testNoBody(String uri, boolean sameClient) throws Exception {
+ HttpClient client = null;
+ for (int i=0; i< ITERATION_COUNT; i++) {
+ if (!sameClient || client == null)
+ client = newHttpClient();
+
+ HttpRequest req = HttpRequest.newBuilder(URI.create(uri))
+ .build();
+ BodyHandler<Publisher<List<ByteBuffer>>> handler = new PublishingBodyHandler();
+ HttpResponse<Publisher<List<ByteBuffer>>> response = client.send(req, handler);
+ // We can reuse our BodySubscribers implementations to subscribe to the
+ // Publisher<List<ByteBuffer>>
+ BodySubscriber<String> ofString = BodySubscribers.ofString(UTF_8);
+ // get the Publisher<List<ByteBuffer>> and
+ // subscribe to it.
+ response.body().subscribe(ofString);
+ // Get the final result and compare it with the expected body
+ String body = ofString.getBody().toCompletableFuture().get();
+ assertEquals(body, "");
+ }
+ }
+
+ @Test(dataProvider = "variants")
+ public void testNoBodyAsync(String uri, boolean sameClient) throws Exception {
+ HttpClient client = null;
+ for (int i=0; i< ITERATION_COUNT; i++) {
+ if (!sameClient || client == null)
+ client = newHttpClient();
+
+ HttpRequest req = HttpRequest.newBuilder(URI.create(uri))
+ .build();
+ BodyHandler<Publisher<List<ByteBuffer>>> handler = new PublishingBodyHandler();
+ // We can reuse our BodySubscribers implementations to subscribe to the
+ // Publisher<List<ByteBuffer>>
+ BodySubscriber<String> ofString = BodySubscribers.ofString(UTF_8);
+ CompletableFuture<String> result =
+ client.sendAsync(req, handler).thenCompose(
+ (responsePublisher) -> {
+ // get the Publisher<List<ByteBuffer>> and
+ // subscribe to it.
+ responsePublisher.body().subscribe(ofString);
+ return ofString.getBody();
+ });
+ // Get the final result and compare it with the expected body
+ assertEquals(result.get(), "");
+ }
+ }
+
+ @Test(dataProvider = "variants")
+ public void testAsString(String uri, boolean sameClient) throws Exception {
+ HttpClient client = null;
+ for (int i=0; i< ITERATION_COUNT; i++) {
+ if (!sameClient || client == null)
+ client = newHttpClient();
+
+ HttpRequest req = HttpRequest.newBuilder(URI.create(uri+"/withBody"))
+ .build();
+ BodyHandler<Publisher<List<ByteBuffer>>> handler = new PublishingBodyHandler();
+ HttpResponse<Publisher<List<ByteBuffer>>> response = client.send(req, handler);
+ // We can reuse our BodySubscribers implementations to subscribe to the
+ // Publisher<List<ByteBuffer>>
+ BodySubscriber<String> ofString = BodySubscribers.ofString(UTF_8);
+ // get the Publisher<List<ByteBuffer>> and
+ // subscribe to it.
+ response.body().subscribe(ofString);
+ // Get the final result and compare it with the expected body
+ String body = ofString.getBody().toCompletableFuture().get();
+ assertEquals(body, WITH_BODY);
+ }
+ }
+
+ @Test(dataProvider = "variants")
+ public void testAsStringAsync(String uri, boolean sameClient) throws Exception {
+ HttpClient client = null;
+ for (int i=0; i< ITERATION_COUNT; i++) {
+ if (!sameClient || client == null)
+ client = newHttpClient();
+
+ HttpRequest req = HttpRequest.newBuilder(URI.create(uri+"/withBody"))
+ .build();
+ BodyHandler<Publisher<List<ByteBuffer>>> handler = new PublishingBodyHandler();
+ // We can reuse our BodySubscribers implementations to subscribe to the
+ // Publisher<List<ByteBuffer>>
+ BodySubscriber<String> ofString = BodySubscribers.ofString(UTF_8);
+ CompletableFuture<String> result = client.sendAsync(req, handler)
+ .thenCompose((responsePublisher) -> {
+ // get the Publisher<List<ByteBuffer>> and
+ // subscribe to it.
+ responsePublisher.body().subscribe(ofString);
+ return ofString.getBody();
+ });
+ // Get the final result and compare it with the expected body
+ String body = result.get();
+ assertEquals(body, WITH_BODY);
+ }
+ }
+
+ // A BodyHandler that returns PublishingBodySubscriber instances
+ static class PublishingBodyHandler implements BodyHandler<Publisher<List<ByteBuffer>>> {
+ @Override
+ public BodySubscriber<Publisher<List<ByteBuffer>>> apply(int statusCode, HttpHeaders responseHeaders) {
+ assertEquals(statusCode, 200);
+ return new PublishingBodySubscriber();
+ }
+ }
+
+ // A BodySubscriber that returns a Publisher<List<ByteBuffer>>
+ static class PublishingBodySubscriber implements BodySubscriber<Publisher<List<ByteBuffer>>> {
+ private final CompletableFuture<Flow.Subscription> subscriptionCF = new CompletableFuture<>();
+ private final CompletableFuture<Flow.Subscriber<? super List<ByteBuffer>>> subscribedCF = new CompletableFuture<>();
+ private AtomicReference<Flow.Subscriber<? super List<ByteBuffer>>> subscriberRef = new AtomicReference<>();
+ private final CompletionStage<Publisher<List<ByteBuffer>>> body =
+ //subscriptionCF.thenCompose((s) -> CompletableFuture.completedStage(this::subscribe));
+ CompletableFuture.completedStage(this::subscribe);
+
+ private void subscribe(Flow.Subscriber<? super List<ByteBuffer>> subscriber) {
+ Objects.requireNonNull(subscriber, "subscriber must not be null");
+ if (subscriberRef.compareAndSet(null, subscriber)) {
+ subscriptionCF.thenAccept((s) -> {
+ subscriber.onSubscribe(s);
+ subscribedCF.complete(subscriber);
+ });
+ } else {
+ subscriber.onSubscribe(new Flow.Subscription() {
+ @Override public void request(long n) { }
+ @Override public void cancel() { }
+ });
+ subscriber.onError(new IOException("This publisher has already one subscriber"));
+ }
+ }
+
+ @Override
+ public void onSubscribe(Flow.Subscription subscription) {
+ subscriptionCF.complete(subscription);
+ }
+
+ @Override
+ public void onNext(List<ByteBuffer> item) {
+ assert subscriptionCF.isDone(); // cannot be called before onSubscribe()
+ Flow.Subscriber<? super List<ByteBuffer>> subscriber = subscriberRef.get();
+ assert subscriber != null; // cannot be called before subscriber calls request(1)
+ subscriber.onNext(item);
+ }
+
+ @Override
+ public void onError(Throwable throwable) {
+ assert subscriptionCF.isDone(); // cannot be called before onSubscribe()
+ // onError can be called before request(1), and therefore can
+ // be called before subscriberRef is set.
+ subscribedCF.thenAccept(s -> s.onError(throwable));
+ }
+
+ @Override
+ public void onComplete() {
+ assert subscriptionCF.isDone(); // cannot be called before onSubscribe()
+ // onComplete can be called before request(1), and therefore can
+ // be called before subscriberRef is set.
+ subscribedCF.thenAccept(s -> s.onComplete());
+ }
+
+ @Override
+ public CompletionStage<Publisher<List<ByteBuffer>>> getBody() {
+ return body;
+ }
+ }
+
+ static String serverAuthority(HttpServer server) {
+ return InetAddress.getLoopbackAddress().getHostName() + ":"
+ + server.getAddress().getPort();
+ }
+
+ @BeforeTest
+ public void setup() throws Exception {
+ sslContext = new SimpleSSLContext().get();
+ if (sslContext == null)
+ throw new AssertionError("Unexpected null sslContext");
+
+ // HTTP/1.1
+ HttpHandler h1_fixedLengthHandler = new HTTP1_FixedLengthHandler();
+ HttpHandler h1_chunkHandler = new HTTP1_ChunkedHandler();
+ InetSocketAddress sa = new InetSocketAddress(InetAddress.getLoopbackAddress(), 0);
+ httpTestServer = HttpServer.create(sa, 0);
+ httpTestServer.createContext("/http1/fixed", h1_fixedLengthHandler);
+ httpTestServer.createContext("/http1/chunk", h1_chunkHandler);
+ httpURI_fixed = "http://" + serverAuthority(httpTestServer) + "/http1/fixed";
+ httpURI_chunk = "http://" + serverAuthority(httpTestServer) + "/http1/chunk";
+
+ httpsTestServer = HttpsServer.create(sa, 0);
+ httpsTestServer.setHttpsConfigurator(new HttpsConfigurator(sslContext));
+ httpsTestServer.createContext("/https1/fixed", h1_fixedLengthHandler);
+ httpsTestServer.createContext("/https1/chunk", h1_chunkHandler);
+ httpsURI_fixed = "https://" + serverAuthority(httpsTestServer) + "/https1/fixed";
+ httpsURI_chunk = "https://" + serverAuthority(httpsTestServer) + "/https1/chunk";
+
+ // HTTP/2
+ Http2Handler h2_fixedLengthHandler = new HTTP2_FixedLengthHandler();
+ Http2Handler h2_chunkedHandler = new HTTP2_VariableHandler();
+
+ http2TestServer = new Http2TestServer("localhost", false, 0);
+ http2TestServer.addHandler(h2_fixedLengthHandler, "/http2/fixed");
+ http2TestServer.addHandler(h2_chunkedHandler, "/http2/chunk");
+ http2URI_fixed = "http://" + http2TestServer.serverAuthority() + "/http2/fixed";
+ http2URI_chunk = "http://" + http2TestServer.serverAuthority() + "/http2/chunk";
+
+ https2TestServer = new Http2TestServer("localhost", true, 0);
+ https2TestServer.addHandler(h2_fixedLengthHandler, "/https2/fixed");
+ https2TestServer.addHandler(h2_chunkedHandler, "/https2/chunk");
+ https2URI_fixed = "https://" + https2TestServer.serverAuthority() + "/https2/fixed";
+ https2URI_chunk = "https://" + https2TestServer.serverAuthority() + "/https2/chunk";
+
+ httpTestServer.start();
+ httpsTestServer.start();
+ http2TestServer.start();
+ https2TestServer.start();
+ }
+
+ @AfterTest
+ public void teardown() throws Exception {
+ httpTestServer.stop(0);
+ httpsTestServer.stop(0);
+ http2TestServer.stop();
+ https2TestServer.stop();
+ }
+
+ static final String WITH_BODY = "Lorem ipsum dolor sit amet, consectetur" +
+ " adipiscing elit, sed do eiusmod tempor incididunt ut labore et" +
+ " dolore magna aliqua. Ut enim ad minim veniam, quis nostrud" +
+ " exercitation ullamco laboris nisi ut aliquip ex ea" +
+ " commodo consequat. Duis aute irure dolor in reprehenderit in " +
+ "voluptate velit esse cillum dolore eu fugiat nulla pariatur." +
+ " Excepteur sint occaecat cupidatat non proident, sunt in culpa qui" +
+ " officia deserunt mollit anim id est laborum.";
+
+ static class HTTP1_FixedLengthHandler implements HttpHandler {
+ @Override
+ public void handle(HttpExchange t) throws IOException {
+ out.println("HTTP1_FixedLengthHandler received request to " + t.getRequestURI());
+ try (InputStream is = t.getRequestBody()) {
+ is.readAllBytes();
+ }
+ if (t.getRequestURI().getPath().endsWith("/withBody")) {
+ byte[] bytes = WITH_BODY.getBytes(UTF_8);
+ t.sendResponseHeaders(200, bytes.length); // body
+ try (OutputStream os = t.getResponseBody()) {
+ os.write(bytes);
+ }
+ } else {
+ t.sendResponseHeaders(200, -1); //no body
+ }
+ }
+ }
+
+ static class HTTP1_ChunkedHandler implements HttpHandler {
+ @Override
+ public void handle(HttpExchange t) throws IOException {
+ out.println("HTTP1_ChunkedHandler received request to " + t.getRequestURI());
+ try (InputStream is = t.getRequestBody()) {
+ is.readAllBytes();
+ }
+ t.sendResponseHeaders(200, 0); //chunked
+ if (t.getRequestURI().getPath().endsWith("/withBody")) {
+ byte[] bytes = WITH_BODY.getBytes(UTF_8);
+ try (OutputStream os = t.getResponseBody()) {
+ os.write(bytes);
+ }
+ } else {
+ t.getResponseBody().close(); // no body
+ }
+ }
+ }
+
+ static class HTTP2_FixedLengthHandler implements Http2Handler {
+ @Override
+ public void handle(Http2TestExchange t) throws IOException {
+ out.println("HTTP2_FixedLengthHandler received request to " + t.getRequestURI());
+ try (InputStream is = t.getRequestBody()) {
+ is.readAllBytes();
+ }
+ if (t.getRequestURI().getPath().endsWith("/withBody")) {
+ byte[] bytes = WITH_BODY.getBytes(UTF_8);
+ t.sendResponseHeaders(200, bytes.length); // body
+ try (OutputStream os = t.getResponseBody()) {
+ os.write(bytes);
+ }
+ } else {
+ t.sendResponseHeaders(200, -1); //no body
+ }
+ }
+ }
+
+ static class HTTP2_VariableHandler implements Http2Handler {
+ @Override
+ public void handle(Http2TestExchange t) throws IOException {
+ out.println("HTTP2_VariableHandler received request to " + t.getRequestURI());
+ try (InputStream is = t.getRequestBody()) {
+ is.readAllBytes();
+ }
+ t.sendResponseHeaders(200, 0); //chunked
+ if (t.getRequestURI().getPath().endsWith("/withBody")) {
+ byte[] bytes = WITH_BODY.getBytes(UTF_8);
+ try (OutputStream os = t.getResponseBody()) {
+ os.write(bytes);
+ }
+ } else {
+ t.getResponseBody().close(); // no body
+ }
+ }
+ }
+}